CE / Celanese Corporation - SEC 보고서, 연례 보고, 기업 사업 설명서

Celanese Corporation
US ˙ NYSE ˙ US1508701034

기본 통계
LEI 549300FHJQTDPPN41627
CIK 1306830
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to Celanese Corporation
SEC Filings (Chronological Order)
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May 29, 2026 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form SD Specialized Disclosure Report CELANESE CORPORATION (Exact Name of Registrant as Specified in its Charter) Delaware (State or Other Jurisdiction of Incorporation or Organi

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form SD Specialized Disclosure Report CELANESE CORPORATION (Exact Name of Registrant as Specified in its Charter) Delaware (State or Other Jurisdiction of Incorporation or Organization) 001-32410 (Commission File Number) 222 West Las Colinas Blvd., Suite 900N Irving TX (Address of Principal Executive Offices) 75039-5421 (Zip C

May 29, 2026 EX-1.01

Celanese Corporation Conflict Minerals Report For the Reporting Period January 1, 2025 to December 31, 2025

Exhibit 1.01 Celanese Corporation Conflict Minerals Report For the Reporting Period January 1, 2025 to December 31, 2025 Introduction This Conflict Minerals Report ("Report") of Celanese Corporation ("Celanese") is filed pursuant to Rule 13p-1 and Form SD ("Rule") promulgated under the Securities Exchange Act of 1934, as amended. This Report covers the reporting period from January 1, 2025 to Dece

May 6, 2026 EX-10.3

[Form of 2026 CEO Performance-Based RSU Agreement] CELANESE CORPORATION AMENDED AND RESTATED 2018 GLOBAL INCENTIVE PLAN PERFORMANCE-BASED RESTRICTED STOCK UNIT AWARD AGREEMENT DATED [Grant Date]

Exhibit 10.3 [Form of 2026 CEO Performance-Based RSU Agreement] CELANESE CORPORATION AMENDED AND RESTATED 2018 GLOBAL INCENTIVE PLAN PERFORMANCE-BASED RESTRICTED STOCK UNIT AWARD AGREEMENT DATED [Grant Date] Pursuant to the terms and conditions of the Celanese Corporation Amended and Restated 2018 Global Incentive Plan, you have been awarded Performance-Based Restricted Stock Units, subject to the

May 6, 2026 EX-10.5

[Form of 2026 Time-Based CEO RSU Agreement] CELANESE CORPORATION AMENDED AND RESTATED 2018 GLOBAL INCENTIVE PLAN TIME-BASED RESTRICTED STOCK UNIT AWARD AGREEMENT DATED [Grant Date]

Exhibit 10.5 [Form of 2026 Time-Based CEO RSU Agreement] CELANESE CORPORATION AMENDED AND RESTATED 2018 GLOBAL INCENTIVE PLAN TIME-BASED RESTRICTED STOCK UNIT AWARD AGREEMENT DATED [Grant Date] Pursuant to the terms and conditions of the Celanese Corporation Amended and Restated 2018 Global Incentive Plan, you have been awarded Time-Based Restricted Stock Units, subject to the restrictions describ

May 6, 2026 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2026 Or ☐ TRANSITION REPORT PURSUANT

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2026 Or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number: 001-32410 CELANESE CORPORATION (Exact Name of

May 6, 2026 EX-10.6

[Form of 2026 Time-Based Stock Option Award] CELANESE CORPORATION AMENDED AND RESTATED 2018 GLOBAL INCENTIVE PLAN NONQUALIFIED STOCK OPTION AWARD AGREEMENT DATED [Grant Date]

Exhibit 10.6 [Form of 2026 Time-Based Stock Option Award] CELANESE CORPORATION AMENDED AND RESTATED 2018 GLOBAL INCENTIVE PLAN NONQUALIFIED STOCK OPTION AWARD AGREEMENT DATED [Grant Date] Pursuant to the terms and conditions of the Celanese Corporation Amended and Restated 2018 Global Incentive Plan, you have been awarded Nonqualified Stock Options, subject to the restrictions described in this Ag

May 6, 2026 EX-10.2

[Form of 2026 Performance-Based RSU Agreement] CELANESE CORPORATION AMENDED AND RESTATED 2018 GLOBAL INCENTIVE PLAN PERFORMANCE-BASED RESTRICTED STOCK UNIT AWARD AGREEMENT DATED [Grant Date]

Exhibit 10.2 [Form of 2026 Performance-Based RSU Agreement] CELANESE CORPORATION AMENDED AND RESTATED 2018 GLOBAL INCENTIVE PLAN PERFORMANCE-BASED RESTRICTED STOCK UNIT AWARD AGREEMENT DATED [Grant Date] Pursuant to the terms and conditions of the Celanese Corporation Amended and Restated 2018 Global Incentive Plan, you have been awarded Performance-Based Restricted Stock Units, subject to the res

May 6, 2026 EX-10.4

[Form of 2026 Time-Based RSU Agreement] CELANESE CORPORATION AMENDED AND RESTATED 2018 GLOBAL INCENTIVE PLAN TIME-BASED RESTRICTED STOCK UNIT AWARD AGREEMENT DATED [Grant Date]

Exhibit 10.4 [Form of 2026 Time-Based RSU Agreement] CELANESE CORPORATION AMENDED AND RESTATED 2018 GLOBAL INCENTIVE PLAN TIME-BASED RESTRICTED STOCK UNIT AWARD AGREEMENT DATED [Grant Date] Pursuant to the terms and conditions of the Celanese Corporation Amended and Restated 2018 Global Incentive Plan, you have been awarded Time-Based Restricted Stock Units, subject to the restrictions described i

May 6, 2026 EX-22.1

List of Guarantor Subsidiaries (as of March 31, 2026)

Exhibit 22.1 List of Guarantor Subsidiaries (as of March 31, 2026) Celanese US Holdings LLC (the "Issuer"), a 100% owned subsidiary of Celanese Corporation (the "Parent"), has 1.400% Senior Notes due 2026, 5.277% Senior Notes due 2026(6), 2.125% Senior Notes due 2027, 7.165% Senior Notes due 2027(2)(5)(7), 0.625% Senior Notes due 2028, 6.850% Senior Notes due 2028(1)(4), 6.337% Senior Notes due 20

May 6, 2026 EX-10.7

[Form of 2026 Time-Based CEO Stock Option Award] CELANESE CORPORATION AMENDED AND RESTATED 2018 GLOBAL INCENTIVE PLAN NONQUALIFIED STOCK OPTION AWARD AGREEMENT DATED [Grant Date]

Exhibit 10.7 [Form of 2026 Time-Based CEO Stock Option Award] CELANESE CORPORATION AMENDED AND RESTATED 2018 GLOBAL INCENTIVE PLAN NONQUALIFIED STOCK OPTION AWARD AGREEMENT DATED [Grant Date] Pursuant to the terms and conditions of the Celanese Corporation Amended and Restated 2018 Global Incentive Plan, you have been awarded Nonqualified Stock Options, subject to the restrictions described in thi

May 6, 2026 EX-10.1

[Form of 2025 Time-Based RSU Agreement] CELANESE CORPORATION AMENDED AND RESTATED 2018 GLOBAL INCENTIVE PLAN TIME-BASED RESTRICTED STOCK UNIT AWARD AGREEMENT DATED [Grant Date]

Exhibit 10.1 [Form of 2025 Time-Based RSU Agreement] CELANESE CORPORATION AMENDED AND RESTATED 2018 GLOBAL INCENTIVE PLAN TIME-BASED RESTRICTED STOCK UNIT AWARD AGREEMENT DATED [Grant Date] Pursuant to the terms and conditions of the Celanese Corporation Amended and Restated 2018 Global Incentive Plan, you have been awarded Time-Based Restricted Stock Units, subject to the restrictions described i

May 5, 2026 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 5, 2026 CELANESE CORPORATION

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 5, 2026 CELANESE CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-32410 98-0420726 (State or other jurisdiction of incorporation) (Commission File N

May 5, 2026 EX-99.1A

1

Exhibit 99.1(a) First Quarter 2026 Earnings Prepared Comments Bill Cunningham, Celanese Corporation, Vice President, Investor Relations This is the Celanese Corporation first quarter 2026 earnings prepared comments. The Celanese Corporation first quarter 2026 earnings release was distributed via Business Wire this afternoon and posted on our investor relations website, investors.celanese.com. As a

May 5, 2026 EX-99.2

Non-U.S. GAAP Financial Measures and Supplemental Information May 5, 2026

Exhibit 99.2 Non-U.S. GAAP Financial Measures and Supplemental Information May 5, 2026 In this document, the terms the "Company," "we" and "our" refer to Celanese Corporation and its subsidiaries on a consolidated basis. Purpose The purpose of this document is to provide information of interest to investors, analysts and other parties including supplemental financial information and reconciliation

May 5, 2026 EX-99.2

Non-U.S. GAAP Financial Measures and Supplemental Information May 5, 2026

Exhibit 99.2 Non-U.S. GAAP Financial Measures and Supplemental Information May 5, 2026 In this document, the terms the "Company," "we" and "our" refer to Celanese Corporation and its subsidiaries on a consolidated basis. Purpose The purpose of this document is to provide information of interest to investors, analysts and other parties including supplemental financial information and reconciliation

May 5, 2026 EX-99.1

Celanese Corporation Reports First Quarter Earnings

Exhibit 99.1 Celanese Corporation Reports First Quarter Earnings Dallas, May 5, 2026: Celanese Corporation (NYSE: CE), a global chemical and specialty materials company, today reported first quarter 2026 U.S. GAAP diluted earnings per share of $0.41 and adjusted earnings per share of $0.85. Net sales of $2.3 billion increased 6 percent sequentially, reflecting a 5 percent increase in volume, a sma

May 5, 2026 EX-99.1B

Investor Presentation Q1 2026 May 2026 Celanese Corporation Disclosures Forward-Looking Statements This presentation may contain "forward-looking statements," which include information concerning Celanese Corporation’s (the “Company”) plans objective

q120268-kex991b Investor Presentation Q1 2026 May 2026 Celanese Corporation Disclosures Forward-Looking Statements This presentation may contain "forward-looking statements," which include information concerning Celanese Corporation’s (the “Company”) plans objectives, goals, strategies, future revenues, cash flow, financial performance, synergies, capital expenditures, deleveraging efforts, planned cost reductions, dividend policy, financing needs and other information that is not historical information.

May 5, 2026 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 5, 2026 CELANESE CORPORATION

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 5, 2026 CELANESE CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-32410 98-0420726 (State or other jurisdiction of incorporation) (Commission File N

April 20, 2026 EX-99.1

Anne P. Noonan Elected to Celanese Board of Directors

Exhibit 99.1 Celanese Corporation 222 West Las Colinas Blvd. Suite 900N Irving, Texas 75039 Anne P. Noonan Elected to Celanese Board of Directors DALLAS (April 20, 2026) - Celanese Corporation (NYSE: CE), a global chemical and specialty materials company, today announced that Anne P. Noonan has been elected to the Company’s Board of Directors. Ms. Noonan, 62, brings over 30 years of leadership and

April 20, 2026 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 20, 2026 (April 16, 2026) C

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 20, 2026 (April 16, 2026) CELANESE CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-32410 98-0420726 (State or other jurisdiction of incorporation

April 17, 2026 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 17, 2026 (April 16, 2026) C

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 17, 2026 (April 16, 2026) CELANESE CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-32410 98-0420726 (State or other jurisdiction of incorporation

March 25, 2026 S-3ASR

As filed with the Securities and Exchange Commission on March 25, 2026

As filed with the Securities and Exchange Commission on March 25, 2026 Registration No.

March 25, 2026 EX-FILING FEES

Security Type

Calculation of Filing Fee Tables S-3 Celanese Corp Table 1: Newly Registered and Carry Forward Securities ☐Not Applicable Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Carry Forward Form Type Carry Forward File Number Carry Forward Initial Effective Date Filing Fee Previously Paid in Connection with Unsold Securities to be Carried Forward Newly Registered Securities Fees to be Paid 1 Equity Common stock, $0.

March 25, 2026 S-3ASR

As filed with the Securities and Exchange Commission on March 25, 2026

As filed with the Securities and Exchange Commission on March 25, 2026 Registration No.

March 25, 2026 EX-4.7

Celanese US Holdings LLC as Issuer Celanese Corporation as Parent Guarantor Dated as of ___________, 20__ U.S. Bank Trust Company, National Association as Trustee Subordinated Debt Securities TABLE OF CONTENTS

Exhibit 4.7 Celanese US Holdings LLC as Issuer AND Celanese Corporation as Parent Guarantor INDENTURE Dated as of , 20 U.S. Bank Trust Company, National Association as Trustee Subordinated Debt Securities TABLE OF CONTENTS Page ARTICLE I. DEFINITIONS AND INCORPORATION BY REFERENCE 1 Section 1.1. Definitions 1 Section 1.2. Other Definitions. 5 Section 1.3. Rules of Construction. 6 ARTICLE II. THE S

March 25, 2026 EX-4.6

Celanese US Holdings LLC as Issuer Celanese Corporation as Parent Guarantor Dated as of ___________, 20__ U.S. Bank Trust Company, National Association as Trustee Senior Debt Securities CROSS-REFERENCE SHEET*

Exhibit 4.6 Celanese US Holdings LLC as Issuer AND Celanese Corporation as Parent Guarantor INDENTURE Dated as of , 20 U.S. Bank Trust Company, National Association as Trustee Senior Debt Securities CROSS-REFERENCE SHEET* TIA Section Indenture Section 310 (a)(1) 7.9 (a)(2) 7.9 (a)(3) N/A (a)(4) N/A (a)(5) N/A (b) N/A 311 (a) 7.10 (b) 7.10 312 (a) 2.6 (b) 10.2 (c) N/A 313 (a) N/A (b)(1) N/A (b)(2)

March 25, 2026 EX-4.7

Celanese US Holdings LLC as Issuer Celanese Corporation as Parent Guarantor Dated as of ___________, 20__ U.S. Bank Trust Company, National Association as Trustee Subordinated Debt Securities TABLE OF CONTENTS

Exhibit 4.7 Celanese US Holdings LLC as Issuer AND Celanese Corporation as Parent Guarantor INDENTURE Dated as of , 20 U.S. Bank Trust Company, National Association as Trustee Subordinated Debt Securities TABLE OF CONTENTS Page ARTICLE I. DEFINITIONS AND INCORPORATION BY REFERENCE 1 Section 1.1. Definitions 1 Section 1.2. Other Definitions. 5 Section 1.3. Rules of Construction. 6 ARTICLE II. THE S

March 25, 2026 EX-FILING FEES

Security Type

Calculation of Filing Fee Tables S-3 Celanese Corp Table 1: Newly Registered and Carry Forward Securities ☐Not Applicable Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Carry Forward Form Type Carry Forward File Number Carry Forward Initial Effective Date Filing Fee Previously Paid in Connection with Unsold Securities to be Carried Forward Newly Registered Securities Fees to be Paid 1 Equity Common stock, $0.

March 25, 2026 EX-FILING FEES

Security Type

Calculation of Filing Fee Tables S-3 Celanese Corp Table 1: Newly Registered and Carry Forward Securities ☐Not Applicable Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Carry Forward Form Type Carry Forward File Number Carry Forward Initial Effective Date Filing Fee Previously Paid in Connection with Unsold Securities to be Carried Forward Newly Registered Securities Fees to be Paid 1 Equity Common stock, $0.

March 25, 2026 EX-FILING FEES

Security Type

Calculation of Filing Fee Tables S-3 Celanese Corp Table 1: Newly Registered and Carry Forward Securities ☐Not Applicable Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Carry Forward Form Type Carry Forward File Number Carry Forward Initial Effective Date Filing Fee Previously Paid in Connection with Unsold Securities to be Carried Forward Newly Registered Securities Fees to be Paid 1 Equity Common stock, $0.

March 25, 2026 EX-FILING FEES

Security Type

Calculation of Filing Fee Tables S-3 Celanese Corp Table 1: Newly Registered and Carry Forward Securities ☐Not Applicable Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Carry Forward Form Type Carry Forward File Number Carry Forward Initial Effective Date Filing Fee Previously Paid in Connection with Unsold Securities to be Carried Forward Newly Registered Securities Fees to be Paid 1 Equity Common stock, $0.

March 25, 2026 EX-4.7

Celanese US Holdings LLC as Issuer Celanese Corporation as Parent Guarantor Dated as of ___________, 20__ U.S. Bank Trust Company, National Association as Trustee Subordinated Debt Securities TABLE OF CONTENTS

Exhibit 4.7 Celanese US Holdings LLC as Issuer AND Celanese Corporation as Parent Guarantor INDENTURE Dated as of , 20 U.S. Bank Trust Company, National Association as Trustee Subordinated Debt Securities TABLE OF CONTENTS Page ARTICLE I. DEFINITIONS AND INCORPORATION BY REFERENCE 1 Section 1.1. Definitions 1 Section 1.2. Other Definitions. 5 Section 1.3. Rules of Construction. 6 ARTICLE II. THE S

March 25, 2026 EX-25.2

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE Check if an Application to Determine Eligibility of a Trustee Pursuant to

Exhibit 25.2 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE Check if an Application to Determine Eligibility of a Trustee Pursuant to Section 305(b)(2) ☐ U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION (Exact name of Trustee as specified in its charter) 91-1821036 I.R.S. E

March 25, 2026 EX-FILING FEES

Security Type

Calculation of Filing Fee Tables S-3 Celanese Corp Table 1: Newly Registered and Carry Forward Securities ☐Not Applicable Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Carry Forward Form Type Carry Forward File Number Carry Forward Initial Effective Date Filing Fee Previously Paid in Connection with Unsold Securities to be Carried Forward Newly Registered Securities Fees to be Paid 1 Equity Common stock, $0.

March 25, 2026 EX-FILING FEES

Security Type

Calculation of Filing Fee Tables S-3 Celanese Corp Table 1: Newly Registered and Carry Forward Securities ☐Not Applicable Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Carry Forward Form Type Carry Forward File Number Carry Forward Initial Effective Date Filing Fee Previously Paid in Connection with Unsold Securities to be Carried Forward Newly Registered Securities Fees to be Paid 1 Equity Common stock, $0.

March 25, 2026 EX-25.2

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE Check if an Application to Determine Eligibility of a Trustee Pursuant to

Exhibit 25.2 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE Check if an Application to Determine Eligibility of a Trustee Pursuant to Section 305(b)(2) ☐ U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION (Exact name of Trustee as specified in its charter) 91-1821036 I.R.S. E

March 25, 2026 EX-25.2

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE Check if an Application to Determine Eligibility of a Trustee Pursuant to

Exhibit 25.2 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE Check if an Application to Determine Eligibility of a Trustee Pursuant to Section 305(b)(2) ☐ U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION (Exact name of Trustee as specified in its charter) 91-1821036 I.R.S. E

March 25, 2026 S-3ASR

As filed with the Securities and Exchange Commission on March 25, 2026

As filed with the Securities and Exchange Commission on March 25, 2026 Registration No.

March 25, 2026 EX-4.6

Celanese US Holdings LLC as Issuer Celanese Corporation as Parent Guarantor Dated as of ___________, 20__ U.S. Bank Trust Company, National Association as Trustee Senior Debt Securities CROSS-REFERENCE SHEET*

Exhibit 4.6 Celanese US Holdings LLC as Issuer AND Celanese Corporation as Parent Guarantor INDENTURE Dated as of , 20 U.S. Bank Trust Company, National Association as Trustee Senior Debt Securities CROSS-REFERENCE SHEET* TIA Section Indenture Section 310 (a)(1) 7.9 (a)(2) 7.9 (a)(3) N/A (a)(4) N/A (a)(5) N/A (b) N/A 311 (a) 7.10 (b) 7.10 312 (a) 2.6 (b) 10.2 (c) N/A 313 (a) N/A (b)(1) N/A (b)(2)

March 25, 2026 EX-25.1

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE Check if an Application to Determine Eligibility of a Trustee Pursuant to

Exhibit 25.1 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE Check if an Application to Determine Eligibility of a Trustee Pursuant to Section 305(b)(2) ☐ U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION (Exact name of Trustee as specified in its charter) 91-1821036 I.R.S. E

March 25, 2026 EX-25.2

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE Check if an Application to Determine Eligibility of a Trustee Pursuant to

Exhibit 25.2 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE Check if an Application to Determine Eligibility of a Trustee Pursuant to Section 305(b)(2) ☐ U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION (Exact name of Trustee as specified in its charter) 91-1821036 I.R.S. E

March 25, 2026 EX-25.1

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE Check if an Application to Determine Eligibility of a Trustee Pursuant to

Exhibit 25.1 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE Check if an Application to Determine Eligibility of a Trustee Pursuant to Section 305(b)(2) ☐ U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION (Exact name of Trustee as specified in its charter) 91-1821036 I.R.S. E

March 25, 2026 EX-4.6

Celanese US Holdings LLC as Issuer Celanese Corporation as Parent Guarantor Dated as of ___________, 20__ U.S. Bank Trust Company, National Association as Trustee Senior Debt Securities CROSS-REFERENCE SHEET*

Exhibit 4.6 Celanese US Holdings LLC as Issuer AND Celanese Corporation as Parent Guarantor INDENTURE Dated as of , 20 U.S. Bank Trust Company, National Association as Trustee Senior Debt Securities CROSS-REFERENCE SHEET* TIA Section Indenture Section 310 (a)(1) 7.9 (a)(2) 7.9 (a)(3) N/A (a)(4) N/A (a)(5) N/A (b) N/A 311 (a) 7.10 (b) 7.10 312 (a) 2.6 (b) 10.2 (c) N/A 313 (a) N/A (b)(1) N/A (b)(2)

March 25, 2026 S-3ASR

As filed with the Securities and Exchange Commission on March 25, 2026

As filed with the Securities and Exchange Commission on March 25, 2026 Registration No.

March 25, 2026 EX-4.7

Celanese US Holdings LLC as Issuer Celanese Corporation as Parent Guarantor Dated as of ___________, 20__ U.S. Bank Trust Company, National Association as Trustee Subordinated Debt Securities TABLE OF CONTENTS

Exhibit 4.7 Celanese US Holdings LLC as Issuer AND Celanese Corporation as Parent Guarantor INDENTURE Dated as of , 20 U.S. Bank Trust Company, National Association as Trustee Subordinated Debt Securities TABLE OF CONTENTS Page ARTICLE I. DEFINITIONS AND INCORPORATION BY REFERENCE 1 Section 1.1. Definitions 1 Section 1.2. Other Definitions. 5 Section 1.3. Rules of Construction. 6 ARTICLE II. THE S

March 25, 2026 EX-25.2

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE Check if an Application to Determine Eligibility of a Trustee Pursuant to

Exhibit 25.2 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE Check if an Application to Determine Eligibility of a Trustee Pursuant to Section 305(b)(2) ☐ U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION (Exact name of Trustee as specified in its charter) 91-1821036 I.R.S. E

March 25, 2026 EX-25.1

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE Check if an Application to Determine Eligibility of a Trustee Pursuant to

Exhibit 25.1 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE Check if an Application to Determine Eligibility of a Trustee Pursuant to Section 305(b)(2) ☐ U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION (Exact name of Trustee as specified in its charter) 91-1821036 I.R.S. E

March 25, 2026 EX-4.6

Celanese US Holdings LLC as Issuer Celanese Corporation as Parent Guarantor Dated as of ___________, 20__ U.S. Bank Trust Company, National Association as Trustee Senior Debt Securities CROSS-REFERENCE SHEET*

Exhibit 4.6 Celanese US Holdings LLC as Issuer AND Celanese Corporation as Parent Guarantor INDENTURE Dated as of , 20 U.S. Bank Trust Company, National Association as Trustee Senior Debt Securities CROSS-REFERENCE SHEET* TIA Section Indenture Section 310 (a)(1) 7.9 (a)(2) 7.9 (a)(3) N/A (a)(4) N/A (a)(5) N/A (b) N/A 311 (a) 7.10 (b) 7.10 312 (a) 2.6 (b) 10.2 (c) N/A 313 (a) N/A (b)(1) N/A (b)(2)

March 25, 2026 S-3ASR

As filed with the Securities and Exchange Commission on March 25, 2026

As filed with the Securities and Exchange Commission on March 25, 2026 Registration No.

March 25, 2026 S-3ASR

As filed with the Securities and Exchange Commission on March 25, 2026

As filed with the Securities and Exchange Commission on March 25, 2026 Registration No.

March 25, 2026 S-3ASR

As filed with the Securities and Exchange Commission on March 25, 2026

As filed with the Securities and Exchange Commission on March 25, 2026 Registration No.

March 25, 2026 EX-25.2

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE Check if an Application to Determine Eligibility of a Trustee Pursuant to

Exhibit 25.2 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE Check if an Application to Determine Eligibility of a Trustee Pursuant to Section 305(b)(2) ☐ U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION (Exact name of Trustee as specified in its charter) 91-1821036 I.R.S. E

March 25, 2026 S-3ASR

As filed with the Securities and Exchange Commission on March 25, 2026

As filed with the Securities and Exchange Commission on March 25, 2026 Registration No.

March 25, 2026 EX-4.7

Celanese US Holdings LLC as Issuer Celanese Corporation as Parent Guarantor Dated as of ___________, 20__ U.S. Bank Trust Company, National Association as Trustee Subordinated Debt Securities TABLE OF CONTENTS

Exhibit 4.7 Celanese US Holdings LLC as Issuer AND Celanese Corporation as Parent Guarantor INDENTURE Dated as of , 20 U.S. Bank Trust Company, National Association as Trustee Subordinated Debt Securities TABLE OF CONTENTS Page ARTICLE I. DEFINITIONS AND INCORPORATION BY REFERENCE 1 Section 1.1. Definitions 1 Section 1.2. Other Definitions. 5 Section 1.3. Rules of Construction. 6 ARTICLE II. THE S

March 25, 2026 EX-25.1

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE Check if an Application to Determine Eligibility of a Trustee Pursuant to

Exhibit 25.1 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE Check if an Application to Determine Eligibility of a Trustee Pursuant to Section 305(b)(2) ☐ U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION (Exact name of Trustee as specified in its charter) 91-1821036 I.R.S. E

March 25, 2026 S-3ASR

As filed with the Securities and Exchange Commission on March 25, 2026

As filed with the Securities and Exchange Commission on March 25, 2026 Registration No.

March 25, 2026 EX-FILING FEES

Security Type

Calculation of Filing Fee Tables S-3 Celanese Corp Table 1: Newly Registered and Carry Forward Securities ☐Not Applicable Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Carry Forward Form Type Carry Forward File Number Carry Forward Initial Effective Date Filing Fee Previously Paid in Connection with Unsold Securities to be Carried Forward Newly Registered Securities Fees to be Paid 1 Equity Common stock, $0.

March 25, 2026 EX-4.6

Celanese US Holdings LLC as Issuer Celanese Corporation as Parent Guarantor Dated as of ___________, 20__ U.S. Bank Trust Company, National Association as Trustee Senior Debt Securities CROSS-REFERENCE SHEET*

Exhibit 4.6 Celanese US Holdings LLC as Issuer AND Celanese Corporation as Parent Guarantor INDENTURE Dated as of , 20 U.S. Bank Trust Company, National Association as Trustee Senior Debt Securities CROSS-REFERENCE SHEET* TIA Section Indenture Section 310 (a)(1) 7.9 (a)(2) 7.9 (a)(3) N/A (a)(4) N/A (a)(5) N/A (b) N/A 311 (a) 7.10 (b) 7.10 312 (a) 2.6 (b) 10.2 (c) N/A 313 (a) N/A (b)(1) N/A (b)(2)

March 25, 2026 EX-4.6

Celanese US Holdings LLC as Issuer Celanese Corporation as Parent Guarantor Dated as of ___________, 20__ U.S. Bank Trust Company, National Association as Trustee Senior Debt Securities CROSS-REFERENCE SHEET*

Exhibit 4.6 Celanese US Holdings LLC as Issuer AND Celanese Corporation as Parent Guarantor INDENTURE Dated as of , 20 U.S. Bank Trust Company, National Association as Trustee Senior Debt Securities CROSS-REFERENCE SHEET* TIA Section Indenture Section 310 (a)(1) 7.9 (a)(2) 7.9 (a)(3) N/A (a)(4) N/A (a)(5) N/A (b) N/A 311 (a) 7.10 (b) 7.10 312 (a) 2.6 (b) 10.2 (c) N/A 313 (a) N/A (b)(1) N/A (b)(2)

March 25, 2026 EX-4.7

Celanese US Holdings LLC as Issuer Celanese Corporation as Parent Guarantor Dated as of ___________, 20__ U.S. Bank Trust Company, National Association as Trustee Subordinated Debt Securities TABLE OF CONTENTS

Exhibit 4.7 Celanese US Holdings LLC as Issuer AND Celanese Corporation as Parent Guarantor INDENTURE Dated as of , 20 U.S. Bank Trust Company, National Association as Trustee Subordinated Debt Securities TABLE OF CONTENTS Page ARTICLE I. DEFINITIONS AND INCORPORATION BY REFERENCE 1 Section 1.1. Definitions 1 Section 1.2. Other Definitions. 5 Section 1.3. Rules of Construction. 6 ARTICLE II. THE S

March 25, 2026 EX-4.7

Celanese US Holdings LLC as Issuer Celanese Corporation as Parent Guarantor Dated as of ___________, 20__ U.S. Bank Trust Company, National Association as Trustee Subordinated Debt Securities TABLE OF CONTENTS

Exhibit 4.7 Celanese US Holdings LLC as Issuer AND Celanese Corporation as Parent Guarantor INDENTURE Dated as of , 20 U.S. Bank Trust Company, National Association as Trustee Subordinated Debt Securities TABLE OF CONTENTS Page ARTICLE I. DEFINITIONS AND INCORPORATION BY REFERENCE 1 Section 1.1. Definitions 1 Section 1.2. Other Definitions. 5 Section 1.3. Rules of Construction. 6 ARTICLE II. THE S

March 25, 2026 S-3ASR

As filed with the Securities and Exchange Commission on March 25, 2026

As filed with the Securities and Exchange Commission on March 25, 2026 Registration No.

March 25, 2026 EX-FILING FEES

Security Type

Calculation of Filing Fee Tables S-3 Celanese Corp Table 1: Newly Registered and Carry Forward Securities ☐Not Applicable Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Carry Forward Form Type Carry Forward File Number Carry Forward Initial Effective Date Filing Fee Previously Paid in Connection with Unsold Securities to be Carried Forward Newly Registered Securities Fees to be Paid 1 Equity Common stock, $0.

March 25, 2026 EX-4.6

Celanese US Holdings LLC as Issuer Celanese Corporation as Parent Guarantor Dated as of ___________, 20__ U.S. Bank Trust Company, National Association as Trustee Senior Debt Securities CROSS-REFERENCE SHEET*

Exhibit 4.6 Celanese US Holdings LLC as Issuer AND Celanese Corporation as Parent Guarantor INDENTURE Dated as of , 20 U.S. Bank Trust Company, National Association as Trustee Senior Debt Securities CROSS-REFERENCE SHEET* TIA Section Indenture Section 310 (a)(1) 7.9 (a)(2) 7.9 (a)(3) N/A (a)(4) N/A (a)(5) N/A (b) N/A 311 (a) 7.10 (b) 7.10 312 (a) 2.6 (b) 10.2 (c) N/A 313 (a) N/A (b)(1) N/A (b)(2)

March 25, 2026 EX-25.2

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE Check if an Application to Determine Eligibility of a Trustee Pursuant to

Exhibit 25.2 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE Check if an Application to Determine Eligibility of a Trustee Pursuant to Section 305(b)(2) ☐ U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION (Exact name of Trustee as specified in its charter) 91-1821036 I.R.S. E

March 25, 2026 S-3ASR

As filed with the Securities and Exchange Commission on March 25, 2026

As filed with the Securities and Exchange Commission on March 25, 2026 Registration No.

March 25, 2026 EX-25.1

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE Check if an Application to Determine Eligibility of a Trustee Pursuant to

Exhibit 25.1 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE Check if an Application to Determine Eligibility of a Trustee Pursuant to Section 305(b)(2) ☐ U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION (Exact name of Trustee as specified in its charter) 91-1821036 I.R.S. E

March 25, 2026 EX-4.6

Celanese US Holdings LLC as Issuer Celanese Corporation as Parent Guarantor Dated as of ___________, 20__ U.S. Bank Trust Company, National Association as Trustee Senior Debt Securities CROSS-REFERENCE SHEET*

Exhibit 4.6 Celanese US Holdings LLC as Issuer AND Celanese Corporation as Parent Guarantor INDENTURE Dated as of , 20 U.S. Bank Trust Company, National Association as Trustee Senior Debt Securities CROSS-REFERENCE SHEET* TIA Section Indenture Section 310 (a)(1) 7.9 (a)(2) 7.9 (a)(3) N/A (a)(4) N/A (a)(5) N/A (b) N/A 311 (a) 7.10 (b) 7.10 312 (a) 2.6 (b) 10.2 (c) N/A 313 (a) N/A (b)(1) N/A (b)(2)

March 25, 2026 EX-25.2

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE Check if an Application to Determine Eligibility of a Trustee Pursuant to

Exhibit 25.2 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE Check if an Application to Determine Eligibility of a Trustee Pursuant to Section 305(b)(2) ☐ U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION (Exact name of Trustee as specified in its charter) 91-1821036 I.R.S. E

March 25, 2026 EX-25.1

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE Check if an Application to Determine Eligibility of a Trustee Pursuant to

Exhibit 25.1 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE Check if an Application to Determine Eligibility of a Trustee Pursuant to Section 305(b)(2) ☐ U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION (Exact name of Trustee as specified in its charter) 91-1821036 I.R.S. E

March 25, 2026 EX-4.7

Celanese US Holdings LLC as Issuer Celanese Corporation as Parent Guarantor Dated as of ___________, 20__ U.S. Bank Trust Company, National Association as Trustee Subordinated Debt Securities TABLE OF CONTENTS

Exhibit 4.7 Celanese US Holdings LLC as Issuer AND Celanese Corporation as Parent Guarantor INDENTURE Dated as of , 20 U.S. Bank Trust Company, National Association as Trustee Subordinated Debt Securities TABLE OF CONTENTS Page ARTICLE I. DEFINITIONS AND INCORPORATION BY REFERENCE 1 Section 1.1. Definitions 1 Section 1.2. Other Definitions. 5 Section 1.3. Rules of Construction. 6 ARTICLE II. THE S

March 25, 2026 EX-4.7

Celanese US Holdings LLC as Issuer Celanese Corporation as Parent Guarantor Dated as of ___________, 20__ U.S. Bank Trust Company, National Association as Trustee Subordinated Debt Securities TABLE OF CONTENTS

Exhibit 4.7 Celanese US Holdings LLC as Issuer AND Celanese Corporation as Parent Guarantor INDENTURE Dated as of , 20 U.S. Bank Trust Company, National Association as Trustee Subordinated Debt Securities TABLE OF CONTENTS Page ARTICLE I. DEFINITIONS AND INCORPORATION BY REFERENCE 1 Section 1.1. Definitions 1 Section 1.2. Other Definitions. 5 Section 1.3. Rules of Construction. 6 ARTICLE II. THE S

March 25, 2026 S-3ASR

As filed with the Securities and Exchange Commission on March 25, 2026

As filed with the Securities and Exchange Commission on March 25, 2026 Registration No.

March 25, 2026 EX-25.1

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE Check if an Application to Determine Eligibility of a Trustee Pursuant to

Exhibit 25.1 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE Check if an Application to Determine Eligibility of a Trustee Pursuant to Section 305(b)(2) ☐ U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION (Exact name of Trustee as specified in its charter) 91-1821036 I.R.S. E

March 25, 2026 EX-25.1

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE Check if an Application to Determine Eligibility of a Trustee Pursuant to

Exhibit 25.1 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE Check if an Application to Determine Eligibility of a Trustee Pursuant to Section 305(b)(2) ☐ U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION (Exact name of Trustee as specified in its charter) 91-1821036 I.R.S. E

March 25, 2026 S-3ASR

As filed with the Securities and Exchange Commission on March 25, 2026

As filed with the Securities and Exchange Commission on March 25, 2026 Registration No.

March 25, 2026 EX-25.2

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE Check if an Application to Determine Eligibility of a Trustee Pursuant to

Exhibit 25.2 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE Check if an Application to Determine Eligibility of a Trustee Pursuant to Section 305(b)(2) ☐ U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION (Exact name of Trustee as specified in its charter) 91-1821036 I.R.S. E

March 25, 2026 EX-4.7

Celanese US Holdings LLC as Issuer Celanese Corporation as Parent Guarantor Dated as of ___________, 20__ U.S. Bank Trust Company, National Association as Trustee Subordinated Debt Securities TABLE OF CONTENTS

Exhibit 4.7 Celanese US Holdings LLC as Issuer AND Celanese Corporation as Parent Guarantor INDENTURE Dated as of , 20 U.S. Bank Trust Company, National Association as Trustee Subordinated Debt Securities TABLE OF CONTENTS Page ARTICLE I. DEFINITIONS AND INCORPORATION BY REFERENCE 1 Section 1.1. Definitions 1 Section 1.2. Other Definitions. 5 Section 1.3. Rules of Construction. 6 ARTICLE II. THE S

March 25, 2026 EX-FILING FEES

Security Type

Calculation of Filing Fee Tables S-3 Celanese Corp Table 1: Newly Registered and Carry Forward Securities ☐Not Applicable Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Carry Forward Form Type Carry Forward File Number Carry Forward Initial Effective Date Filing Fee Previously Paid in Connection with Unsold Securities to be Carried Forward Newly Registered Securities Fees to be Paid 1 Equity Common stock, $0.

March 25, 2026 EX-25.1

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE Check if an Application to Determine Eligibility of a Trustee Pursuant to

Exhibit 25.1 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE Check if an Application to Determine Eligibility of a Trustee Pursuant to Section 305(b)(2) ☐ U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION (Exact name of Trustee as specified in its charter) 91-1821036 I.R.S. E

March 25, 2026 S-3ASR

As filed with the Securities and Exchange Commission on March 25, 2026

As filed with the Securities and Exchange Commission on March 25, 2026 Registration No.

March 25, 2026 EX-4.6

Celanese US Holdings LLC as Issuer Celanese Corporation as Parent Guarantor Dated as of ___________, 20__ U.S. Bank Trust Company, National Association as Trustee Senior Debt Securities CROSS-REFERENCE SHEET*

Exhibit 4.6 Celanese US Holdings LLC as Issuer AND Celanese Corporation as Parent Guarantor INDENTURE Dated as of , 20 U.S. Bank Trust Company, National Association as Trustee Senior Debt Securities CROSS-REFERENCE SHEET* TIA Section Indenture Section 310 (a)(1) 7.9 (a)(2) 7.9 (a)(3) N/A (a)(4) N/A (a)(5) N/A (b) N/A 311 (a) 7.10 (b) 7.10 312 (a) 2.6 (b) 10.2 (c) N/A 313 (a) N/A (b)(1) N/A (b)(2)

March 25, 2026 EX-4.7

Celanese US Holdings LLC as Issuer Celanese Corporation as Parent Guarantor Dated as of ___________, 20__ U.S. Bank Trust Company, National Association as Trustee Subordinated Debt Securities TABLE OF CONTENTS

Exhibit 4.7 Celanese US Holdings LLC as Issuer AND Celanese Corporation as Parent Guarantor INDENTURE Dated as of , 20 U.S. Bank Trust Company, National Association as Trustee Subordinated Debt Securities TABLE OF CONTENTS Page ARTICLE I. DEFINITIONS AND INCORPORATION BY REFERENCE 1 Section 1.1. Definitions 1 Section 1.2. Other Definitions. 5 Section 1.3. Rules of Construction. 6 ARTICLE II. THE S

March 25, 2026 EX-4.6

Celanese US Holdings LLC as Issuer Celanese Corporation as Parent Guarantor Dated as of ___________, 20__ U.S. Bank Trust Company, National Association as Trustee Senior Debt Securities CROSS-REFERENCE SHEET*

Exhibit 4.6 Celanese US Holdings LLC as Issuer AND Celanese Corporation as Parent Guarantor INDENTURE Dated as of , 20 U.S. Bank Trust Company, National Association as Trustee Senior Debt Securities CROSS-REFERENCE SHEET* TIA Section Indenture Section 310 (a)(1) 7.9 (a)(2) 7.9 (a)(3) N/A (a)(4) N/A (a)(5) N/A (b) N/A 311 (a) 7.10 (b) 7.10 312 (a) 2.6 (b) 10.2 (c) N/A 313 (a) N/A (b)(1) N/A (b)(2)

March 25, 2026 EX-FILING FEES

Security Type

Calculation of Filing Fee Tables S-3 Celanese Corp Table 1: Newly Registered and Carry Forward Securities ☐Not Applicable Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Carry Forward Form Type Carry Forward File Number Carry Forward Initial Effective Date Filing Fee Previously Paid in Connection with Unsold Securities to be Carried Forward Newly Registered Securities Fees to be Paid 1 Equity Common stock, $0.

March 25, 2026 EX-25.2

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE Check if an Application to Determine Eligibility of a Trustee Pursuant to

Exhibit 25.2 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE Check if an Application to Determine Eligibility of a Trustee Pursuant to Section 305(b)(2) ☐ U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION (Exact name of Trustee as specified in its charter) 91-1821036 I.R.S. E

March 25, 2026 EX-FILING FEES

Security Type

Calculation of Filing Fee Tables S-3 Celanese Corp Table 1: Newly Registered and Carry Forward Securities ☐Not Applicable Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Carry Forward Form Type Carry Forward File Number Carry Forward Initial Effective Date Filing Fee Previously Paid in Connection with Unsold Securities to be Carried Forward Newly Registered Securities Fees to be Paid 1 Equity Common stock, $0.

March 25, 2026 EX-4.6

Celanese US Holdings LLC as Issuer Celanese Corporation as Parent Guarantor Dated as of ___________, 20__ U.S. Bank Trust Company, National Association as Trustee Senior Debt Securities CROSS-REFERENCE SHEET*

Exhibit 4.6 Celanese US Holdings LLC as Issuer AND Celanese Corporation as Parent Guarantor INDENTURE Dated as of , 20 U.S. Bank Trust Company, National Association as Trustee Senior Debt Securities CROSS-REFERENCE SHEET* TIA Section Indenture Section 310 (a)(1) 7.9 (a)(2) 7.9 (a)(3) N/A (a)(4) N/A (a)(5) N/A (b) N/A 311 (a) 7.10 (b) 7.10 312 (a) 2.6 (b) 10.2 (c) N/A 313 (a) N/A (b)(1) N/A (b)(2)

March 25, 2026 EX-4.6

Celanese US Holdings LLC as Issuer Celanese Corporation as Parent Guarantor Dated as of ___________, 20__ U.S. Bank Trust Company, National Association as Trustee Senior Debt Securities CROSS-REFERENCE SHEET*

Exhibit 4.6 Celanese US Holdings LLC as Issuer AND Celanese Corporation as Parent Guarantor INDENTURE Dated as of , 20 U.S. Bank Trust Company, National Association as Trustee Senior Debt Securities CROSS-REFERENCE SHEET* TIA Section Indenture Section 310 (a)(1) 7.9 (a)(2) 7.9 (a)(3) N/A (a)(4) N/A (a)(5) N/A (b) N/A 311 (a) 7.10 (b) 7.10 312 (a) 2.6 (b) 10.2 (c) N/A 313 (a) N/A (b)(1) N/A (b)(2)

March 25, 2026 EX-4.6

Celanese US Holdings LLC as Issuer Celanese Corporation as Parent Guarantor Dated as of ___________, 20__ U.S. Bank Trust Company, National Association as Trustee Senior Debt Securities CROSS-REFERENCE SHEET*

Exhibit 4.6 Celanese US Holdings LLC as Issuer AND Celanese Corporation as Parent Guarantor INDENTURE Dated as of , 20 U.S. Bank Trust Company, National Association as Trustee Senior Debt Securities CROSS-REFERENCE SHEET* TIA Section Indenture Section 310 (a)(1) 7.9 (a)(2) 7.9 (a)(3) N/A (a)(4) N/A (a)(5) N/A (b) N/A 311 (a) 7.10 (b) 7.10 312 (a) 2.6 (b) 10.2 (c) N/A 313 (a) N/A (b)(1) N/A (b)(2)

March 25, 2026 EX-25.1

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE Check if an Application to Determine Eligibility of a Trustee Pursuant to

Exhibit 25.1 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE Check if an Application to Determine Eligibility of a Trustee Pursuant to Section 305(b)(2) ☐ U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION (Exact name of Trustee as specified in its charter) 91-1821036 I.R.S. E

March 25, 2026 EX-25.2

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE Check if an Application to Determine Eligibility of a Trustee Pursuant to

Exhibit 25.2 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE Check if an Application to Determine Eligibility of a Trustee Pursuant to Section 305(b)(2) ☐ U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION (Exact name of Trustee as specified in its charter) 91-1821036 I.R.S. E

March 25, 2026 EX-4.6

Celanese US Holdings LLC as Issuer Celanese Corporation as Parent Guarantor Dated as of ___________, 20__ U.S. Bank Trust Company, National Association as Trustee Senior Debt Securities CROSS-REFERENCE SHEET*

Exhibit 4.6 Celanese US Holdings LLC as Issuer AND Celanese Corporation as Parent Guarantor INDENTURE Dated as of , 20 U.S. Bank Trust Company, National Association as Trustee Senior Debt Securities CROSS-REFERENCE SHEET* TIA Section Indenture Section 310 (a)(1) 7.9 (a)(2) 7.9 (a)(3) N/A (a)(4) N/A (a)(5) N/A (b) N/A 311 (a) 7.10 (b) 7.10 312 (a) 2.6 (b) 10.2 (c) N/A 313 (a) N/A (b)(1) N/A (b)(2)

March 25, 2026 EX-25.1

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE Check if an Application to Determine Eligibility of a Trustee Pursuant to

Exhibit 25.1 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE Check if an Application to Determine Eligibility of a Trustee Pursuant to Section 305(b)(2) ☐ U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION (Exact name of Trustee as specified in its charter) 91-1821036 I.R.S. E

March 25, 2026 EX-4.7

Celanese US Holdings LLC as Issuer Celanese Corporation as Parent Guarantor Dated as of ___________, 20__ U.S. Bank Trust Company, National Association as Trustee Subordinated Debt Securities TABLE OF CONTENTS

Exhibit 4.7 Celanese US Holdings LLC as Issuer AND Celanese Corporation as Parent Guarantor INDENTURE Dated as of , 20 U.S. Bank Trust Company, National Association as Trustee Subordinated Debt Securities TABLE OF CONTENTS Page ARTICLE I. DEFINITIONS AND INCORPORATION BY REFERENCE 1 Section 1.1. Definitions 1 Section 1.2. Other Definitions. 5 Section 1.3. Rules of Construction. 6 ARTICLE II. THE S

March 25, 2026 EX-FILING FEES

Security Type

Calculation of Filing Fee Tables S-3 Celanese Corp Table 1: Newly Registered and Carry Forward Securities ☐Not Applicable Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Carry Forward Form Type Carry Forward File Number Carry Forward Initial Effective Date Filing Fee Previously Paid in Connection with Unsold Securities to be Carried Forward Newly Registered Securities Fees to be Paid 1 Equity Common stock, $0.

March 25, 2026 EX-4.7

Celanese US Holdings LLC as Issuer Celanese Corporation as Parent Guarantor Dated as of ___________, 20__ U.S. Bank Trust Company, National Association as Trustee Subordinated Debt Securities TABLE OF CONTENTS

Exhibit 4.7 Celanese US Holdings LLC as Issuer AND Celanese Corporation as Parent Guarantor INDENTURE Dated as of , 20 U.S. Bank Trust Company, National Association as Trustee Subordinated Debt Securities TABLE OF CONTENTS Page ARTICLE I. DEFINITIONS AND INCORPORATION BY REFERENCE 1 Section 1.1. Definitions 1 Section 1.2. Other Definitions. 5 Section 1.3. Rules of Construction. 6 ARTICLE II. THE S

March 25, 2026 EX-4.7

Celanese US Holdings LLC as Issuer Celanese Corporation as Parent Guarantor Dated as of ___________, 20__ U.S. Bank Trust Company, National Association as Trustee Subordinated Debt Securities TABLE OF CONTENTS

Exhibit 4.7 Celanese US Holdings LLC as Issuer AND Celanese Corporation as Parent Guarantor INDENTURE Dated as of , 20 U.S. Bank Trust Company, National Association as Trustee Subordinated Debt Securities TABLE OF CONTENTS Page ARTICLE I. DEFINITIONS AND INCORPORATION BY REFERENCE 1 Section 1.1. Definitions 1 Section 1.2. Other Definitions. 5 Section 1.3. Rules of Construction. 6 ARTICLE II. THE S

March 25, 2026 EX-25.1

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE Check if an Application to Determine Eligibility of a Trustee Pursuant to

Exhibit 25.1 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE Check if an Application to Determine Eligibility of a Trustee Pursuant to Section 305(b)(2) ☐ U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION (Exact name of Trustee as specified in its charter) 91-1821036 I.R.S. E

March 25, 2026 EX-FILING FEES

Security Type

Calculation of Filing Fee Tables S-3 Celanese Corp Table 1: Newly Registered and Carry Forward Securities ☐Not Applicable Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Carry Forward Form Type Carry Forward File Number Carry Forward Initial Effective Date Filing Fee Previously Paid in Connection with Unsold Securities to be Carried Forward Newly Registered Securities Fees to be Paid 1 Equity Common stock, $0.

March 25, 2026 EX-4.6

Celanese US Holdings LLC as Issuer Celanese Corporation as Parent Guarantor Dated as of ___________, 20__ U.S. Bank Trust Company, National Association as Trustee Senior Debt Securities CROSS-REFERENCE SHEET*

Exhibit 4.6 Celanese US Holdings LLC as Issuer AND Celanese Corporation as Parent Guarantor INDENTURE Dated as of , 20 U.S. Bank Trust Company, National Association as Trustee Senior Debt Securities CROSS-REFERENCE SHEET* TIA Section Indenture Section 310 (a)(1) 7.9 (a)(2) 7.9 (a)(3) N/A (a)(4) N/A (a)(5) N/A (b) N/A 311 (a) 7.10 (b) 7.10 312 (a) 2.6 (b) 10.2 (c) N/A 313 (a) N/A (b)(1) N/A (b)(2)

March 25, 2026 S-3ASR

As filed with the Securities and Exchange Commission on March 25, 2026

As filed with the Securities and Exchange Commission on March 25, 2026 Registration No.

March 25, 2026 EX-25.1

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE Check if an Application to Determine Eligibility of a Trustee Pursuant to

Exhibit 25.1 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE Check if an Application to Determine Eligibility of a Trustee Pursuant to Section 305(b)(2) ☐ U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION (Exact name of Trustee as specified in its charter) 91-1821036 I.R.S. E

March 25, 2026 EX-FILING FEES

Security Type

Calculation of Filing Fee Tables S-3 Celanese Corp Table 1: Newly Registered and Carry Forward Securities ☐Not Applicable Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Carry Forward Form Type Carry Forward File Number Carry Forward Initial Effective Date Filing Fee Previously Paid in Connection with Unsold Securities to be Carried Forward Newly Registered Securities Fees to be Paid 1 Equity Common stock, $0.

March 25, 2026 EX-25.2

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE Check if an Application to Determine Eligibility of a Trustee Pursuant to

Exhibit 25.2 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE Check if an Application to Determine Eligibility of a Trustee Pursuant to Section 305(b)(2) ☐ U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION (Exact name of Trustee as specified in its charter) 91-1821036 I.R.S. E

March 25, 2026 EX-4.7

Celanese US Holdings LLC as Issuer Celanese Corporation as Parent Guarantor Dated as of ___________, 20__ U.S. Bank Trust Company, National Association as Trustee Subordinated Debt Securities TABLE OF CONTENTS

Exhibit 4.7 Celanese US Holdings LLC as Issuer AND Celanese Corporation as Parent Guarantor INDENTURE Dated as of , 20 U.S. Bank Trust Company, National Association as Trustee Subordinated Debt Securities TABLE OF CONTENTS Page ARTICLE I. DEFINITIONS AND INCORPORATION BY REFERENCE 1 Section 1.1. Definitions 1 Section 1.2. Other Definitions. 5 Section 1.3. Rules of Construction. 6 ARTICLE II. THE S

March 25, 2026 EX-25.2

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE Check if an Application to Determine Eligibility of a Trustee Pursuant to

Exhibit 25.2 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE Check if an Application to Determine Eligibility of a Trustee Pursuant to Section 305(b)(2) ☐ U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION (Exact name of Trustee as specified in its charter) 91-1821036 I.R.S. E

March 25, 2026 EX-25.1

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE Check if an Application to Determine Eligibility of a Trustee Pursuant to

Exhibit 25.1 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE Check if an Application to Determine Eligibility of a Trustee Pursuant to Section 305(b)(2) ☐ U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION (Exact name of Trustee as specified in its charter) 91-1821036 I.R.S. E

March 25, 2026 EX-25.2

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE Check if an Application to Determine Eligibility of a Trustee Pursuant to

Exhibit 25.2 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE Check if an Application to Determine Eligibility of a Trustee Pursuant to Section 305(b)(2) ☐ U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION (Exact name of Trustee as specified in its charter) 91-1821036 I.R.S. E

March 25, 2026 EX-25.1

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE Check if an Application to Determine Eligibility of a Trustee Pursuant to

Exhibit 25.1 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE Check if an Application to Determine Eligibility of a Trustee Pursuant to Section 305(b)(2) ☐ U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION (Exact name of Trustee as specified in its charter) 91-1821036 I.R.S. E

March 4, 2026 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 4, 2026 (February 27, 2026)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 4, 2026 (February 27, 2026) CELANESE CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-32410 98-0420726 (State or other jurisdiction of incorporati

March 4, 2026 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant þ Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) þ Definit

March 4, 2026 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant þ Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ¨ Definit

March 4, 2026 ARS

ARS

ANNUAL REPORT 2025 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

February 24, 2026 EX-21.1

List of Subsidiaries of Celanese Corporation (As of December 31, 2025) Name of Company Jurisdiction Aggregate Ownership of more than 70% (100% aggregate ownership unless otherwise indicated) Acetate (Malta) Company Limited Malta Acetate Belgium Holdi

Exhibit 21.1 List of Subsidiaries of Celanese Corporation (As of December 31, 2025) Name of Company Jurisdiction Aggregate Ownership of more than 70% (100% aggregate ownership unless otherwise indicated) Acetate (Malta) Company Limited Malta Acetate Belgium Holdings B.V. Netherlands Acetate Belgium Holdings LLC Delaware Acetate Europe Coöperatief U.A. Netherlands Acetate Holdings LLC Delaware Acet

February 24, 2026 EX-4.12

DESCRIPTION OF THE REGISTRANT'S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934

Exhibit 4.12 DESCRIPTION OF THE REGISTRANT'S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 Celanese Corporation (the "Company") and its subsidiaries have six classes of securities registered under Section 12 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"): (1) the Company's common stock; (2) the 4.777% Senior Notes due 2026 of Celanese

February 24, 2026 EX-10.15

Summary of Non-Employee Director Compensation

Exhibit 10.15 Summary of Non-Employee Director Compensation Each non-employee director of Celanese Corporation (the "Company") is entitled to (i) an annual cash retainer of $125,000, which is paid in quarterly installments, in arrears, and (ii) an annual equity retainer of $175,000 in restricted stock units (awarded at the first regular board meeting following the Annual Meeting of Stockholders).

February 24, 2026 EX-10.11(B) 1

Amended Schedule of Participants to Form of Non-CEO Amended and Restated Change in Control Agreement (12.31.2025) Scott A. Richardson Mark C. Murray Chuck B. Kyrish Ashley B. Duffie

Exhibit 10.11(b).1 Amended Schedule of Participants to Form of Non-CEO Amended and Restated Change in Control Agreement (12.31.2025) Scott A. Richardson Mark C. Murray Chuck B. Kyrish Ashley B. Duffie

February 24, 2026 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K ☑ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SE

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K ☑ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 (Commission File Number) 001-32410 CELANESE CORPORATION (Exact Name of Regi

February 24, 2026 EX-97

CELANESE CORPORATION INCENTIVE-BASED COMPENSATION RECOUPMENT (CLAWBACK) POLICY (Financial Restatements)

Exhibit 97 CELANESE CORPORATION INCENTIVE-BASED COMPENSATION RECOUPMENT (CLAWBACK) POLICY (Financial Restatements) I.

February 24, 2026 EX-22.1

List of Guarantor Subsidiaries (as of December 31, 2025)

Exhibit 22.1 List of Guarantor Subsidiaries (as of December 31, 2025) Celanese US Holdings LLC (the "Issuer"), a 100% owned subsidiary of Celanese Corporation (the "Parent"), has 1.400% Senior Notes due 2026, 5.277% Senior Notes due 2026(6), 2.125% Senior Notes due 2027, 6.665% Senior Notes due 2027(2)(5), 0.625% Senior Notes due 2028, 6.850% Senior Notes due 2028(1)(4), 5.587% Senior Notes due 20

February 17, 2026 EX-99.1

Celanese Corporation Reports Fourth Quarter Earnings

Exhibit 99.1 Celanese Corporation Reports Fourth Quarter Earnings Dallas, February 17, 2026: Celanese Corporation (NYSE: CE), a global chemical and specialty materials company, today reported full year 2025 U.S. GAAP diluted loss per share of $10.44 and adjusted earnings per share of $3.98. The Company generated net sales of $9.5 billion in 2025, a 7 percent decrease from the previous year consist

February 17, 2026 EX-99.1A

1

Exhibit 99.1(a) Fourth Quarter 2025 Earnings Prepared Comments Bill Cunningham, Celanese Corporation, Vice President, Investor Relations This is the Celanese Corporation fourth quarter 2025 earnings prepared comments. The Celanese Corporation fourth quarter 2025 earnings release was distributed via Business Wire this afternoon and posted on our investor relations website, investors.celanese.com. A

February 17, 2026 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 17, 2026 CELANESE CORPOR

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 17, 2026 CELANESE CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-32410 98-0420726 (State or other jurisdiction of incorporation) (Commission

February 17, 2026 EX-99.2

Non-U.S. GAAP Financial Measures and Supplemental Information February 17, 2026

Exhibit 99.2 Non-U.S. GAAP Financial Measures and Supplemental Information February 17, 2026 In this document, the terms the "Company," "we" and "our" refer to Celanese Corporation and its subsidiaries on a consolidated basis. Purpose The purpose of this document is to provide information of interest to investors, analysts and other parties including supplemental financial information and reconcil

February 17, 2026 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 17, 2026 CELANESE CORPOR

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 17, 2026 CELANESE CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-32410 98-0420726 (State or other jurisdiction of incorporation) (Commission

February 17, 2026 EX-99.1B

Q4 Investor Presentation Feb 2026 Celanese Corporation Disclosures 2 Forward-Looking Statements This presentation may contain "forward-looking statements," which include information concerning Celanese Corporation’s (the “Company”) plans objectives,

q420258-kex991b Q4 Investor Presentation Feb 2026 Celanese Corporation Disclosures 2 Forward-Looking Statements This presentation may contain "forward-looking statements," which include information concerning Celanese Corporation’s (the “Company”) plans objectives, goals, strategies, future revenues, cash flow, financial performance, synergies, capital expenditures, deleveraging efforts, planned cost reductions, dividend policy, financing needs and other information that is not historical information.

February 17, 2026 EX-99.2

Non-U.S. GAAP Financial Measures and Supplemental Information February 17, 2026

Exhibit 99.2 Non-U.S. GAAP Financial Measures and Supplemental Information February 17, 2026 In this document, the terms the "Company," "we" and "our" refer to Celanese Corporation and its subsidiaries on a consolidated basis. Purpose The purpose of this document is to provide information of interest to investors, analysts and other parties including supplemental financial information and reconcil

January 6, 2026 EX-99.1

Celanese Corporation 222 West Las Colinas Blvd. Suite 900N Irving, Texas 75039 Scott Sutton Resigns from Celanese Board of Directors as He Steps into a CEO Role

Exhibit 99.1 News Release Celanese Corporation 222 West Las Colinas Blvd. Suite 900N Irving, Texas 75039 Scott Sutton Resigns from Celanese Board of Directors as He Steps into a CEO Role Dallas – January 6, 2026 – Celanese Corporation (NYSE: CE) (the “Company” or “Celanese”), a global chemical and specialty materials company, today announced that Scott Sutton has resigned as a member of the Celane

January 6, 2026 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 6, 2026 (January 4, 2026)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 6, 2026 (January 4, 2026) CELANESE CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-32410 98-0420726 (State or other jurisdiction of incorporati

December 17, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 17, 2025 (December 17, 2

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 17, 2025 (December 17, 2025) CELANESE CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-32410 98-0420726 (State or other jurisdiction of incorpo

December 17, 2025 EX-4.2

CELANESE US HOLDINGS LLC THE GUARANTORS PARTY HERETO, as Guarantors U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION, as Trustee COMPUTERSHARE TRUST COMPANY, N.A., as Base Trustee (as successor to Wells Fargo Bank, National Association) 7.000% Senior No

Exhibit 4.2 Execution Version CELANESE US HOLDINGS LLC THE GUARANTORS PARTY HERETO, as Guarantors and U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION, as Trustee and COMPUTERSHARE TRUST COMPANY, N.A., as Base Trustee (as successor to Wells Fargo Bank, National Association) 7.000% Senior Notes due 2031 7.375% Senior Notes due 2034 SEVENTEENTH SUPPLEMENTAL INDENTURE Dated as of December 17, 2025 to IN

December 16, 2025 EX-99.1

Title of Security(a)

Exhibit 99.1 News Release Celanese Corporation 222 West Las Colinas Blvd. Suite 900N Irving, Texas 75039 Celanese Announces Early Results and Upsize of Tender Offers for 6.665% Senior Notes due 2027 and 6.850% Senior Notes due 2028 DALLAS (December 16, 2025)-(BUSINESS WIRE) - Celanese Corporation (NYSE: CE) (“Celanese”), a global chemical and specialty materials company, today announced the early

December 16, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 16, 2025 CELANESE CORPOR

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 16, 2025 CELANESE CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-32410 98-0420726 (State or other jurisdiction of incorporation) (Commission

December 5, 2025 EX-FILING FEES

Security Type

Calculation of Filing Fee Tables S-3 Celanese Corp Table 1: Newly Registered and Carry Forward Securities ☐Not Applicable Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Carry Forward Form Type Carry Forward File Number Carry Forward Initial Effective Date Filing Fee Previously Paid in Connection with Unsold Securities to be Carried Forward Newly Registered Securities Fees to be Paid 1 Debt 7.

December 5, 2025 424B5

Celanese US Holdings LLC $600,000,000 7.000% Senior Notes due 2031 $800,000,000 7.375% Senior Notes due 2034

Table of Contents Filed Pursuant to Rule 424(b)(5) Registration File No. 333-271048 PROSPECTUS SUPPLEMENT (To prospectus dated March 31, 2023) Celanese US Holdings LLC $600,000,000 7.000% Senior Notes due 2031 $800,000,000 7.375% Senior Notes due 2034 Celanese US Holdings LLC (the "Issuer") is offering $600,000,000 aggregate principal amount of its 7.000% Senior Notes due 2031 (the "2031 notes"),

December 4, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 4, 2025 (December 3, 202

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 4, 2025 (December 3, 2025) CELANESE CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-32410 98-0420726 (State or other jurisdiction of incorpora

December 4, 2025 EX-1.1

UNDERWRITING AGREEMENT

Exhibit 1.1 Execution Version UNDERWRITING AGREEMENT December 3, 2025 BOFA SECURITIES, INC. As Representative of the several Underwriters c/o BOFA SECURITIES, INC. One Bryant Park New York, New York 10036 Ladies and Gentlemen: Introductory. Celanese US Holdings LLC, a Delaware limited liability company (the “Company”), a wholly-owned subsidiary of Celanese Corporation, a Delaware corporation (the

December 3, 2025 FWP

Free Writing Prospectus Filed pursuant to Rule 433 under the Securities Act (To the Preliminary Prospectus Registration No. 333-271048 Supplement dated December 2, 2025)

Free Writing Prospectus Filed pursuant to Rule 433 under the Securities Act (To the Preliminary Prospectus Registration No.

December 2, 2025 EX-99.1

Celanese Announces Cash Tender Offers for up to $1,000,000,000 Aggregate Principal Amount of 6.665% Senior Notes due 2027 and 6.850% Senior Notes due 2028

Exhibit 99.1 News Release Celanese Corporation 222 West Las Colinas Blvd. Suite 900N Irving, Texas 75039 Celanese Announces Cash Tender Offers for up to $1,000,000,000 Aggregate Principal Amount of 6.665% Senior Notes due 2027 and 6.850% Senior Notes due 2028 DALLAS (December 2, 2025)-(BUSINESS WIRE)- Celanese Corporation (NYSE: CE) (“Celanese”), a global chemical and specialty materials company,

December 2, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 2, 2025 CELANESE CORPORA

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 2, 2025 CELANESE CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-32410 98-0420726 (State or other jurisdiction of incorporation) (Commission F

December 2, 2025 424B5

Subject to Completion Preliminary Prospectus Supplement dated December 2, 2025

Table of Contents Filed Pursuant to Rule 424(b)(5) Registration File No. 333-271048 The information in this preliminary prospectus supplement is not complete and may be changed. This preliminary prospectus supplement and the accompanying prospectus are not an offer to sell these securities nor are they soliciting an offer to buy these securities in any jurisdiction where the offer or sale is not p

November 7, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2025 Or ☐ TRANSITION REPORT PURSU

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2025 Or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number: 001-32410 CELANESE CORPORATION (Exact Name

November 7, 2025 EX-22.1

List of Guarantor Subsidiaries (as of September 30, 2025)

Exhibit 22.1 List of Guarantor Subsidiaries (as of September 30, 2025) Celanese US Holdings LLC (the "Issuer"), a 100% owned subsidiary of Celanese Corporation (the "Parent"), has 1.400% Senior Notes due 2026, 5.277% Senior Notes due 2026(6), 2.125% Senior Notes due 2027, 6.665% Senior Notes due 2027(2)(5), 0.625% Senior Notes due 2028, 6.850% Senior Notes due 2028(1)(4), 5.587% Senior Notes due 2

November 6, 2025 EX-99.1

Celanese Corporation Reports Third Quarter Earnings

Exhibit 99.1 Celanese Corporation Reports Third Quarter Earnings Dallas, November 6, 2025: Celanese Corporation (NYSE: CE), a global chemical and specialty materials company, today reported third quarter 2025 U.S. GAAP diluted loss per share of ($12.39) and adjusted earnings per share of $1.34. The Company generated net sales of $2.4 billion in the third quarter, a sequential 4 percent decline dri

November 6, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 6, 2025 CELANESE CORPORA

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 6, 2025 CELANESE CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-32410 98-0420726 (State or other jurisdiction of incorporation) (Commission F

November 6, 2025 EX-99.1B

Q3 Investor Presentation November 2025 Celanese Corporation Disclosures Forward-Looking Statements This presentation may contain "forward-looking statements," which include information concerning Celanese Corporation’s (the “Company”) plans objective

q320258-kex991b Q3 Investor Presentation November 2025 Celanese Corporation Disclosures Forward-Looking Statements This presentation may contain "forward-looking statements," which include information concerning Celanese Corporation’s (the “Company”) plans objectives, goals, strategies, future revenues, cash flow, financial performance, synergies, capital expenditures, deleveraging efforts, planned cost reductions, dividend policy, financing needs and other information that is not historical information.

November 6, 2025 EX-99.2

Non-US GAAP Financial Measures and Supplemental Information November 6, 2025

Exhibit 99.2 Non-US GAAP Financial Measures and Supplemental Information November 6, 2025 In this document, the terms the "Company," "we" and "our" refer to Celanese Corporation and its subsidiaries on a consolidated basis. Purpose The purpose of this document is to provide information of interest to investors, analysts and other parties including supplemental financial information and reconciliat

November 6, 2025 EX-99.2

Non-US GAAP Financial Measures and Supplemental Information November 6, 2025

Exhibit 99.2 Non-US GAAP Financial Measures and Supplemental Information November 6, 2025 In this document, the terms the "Company," "we" and "our" refer to Celanese Corporation and its subsidiaries on a consolidated basis. Purpose The purpose of this document is to provide information of interest to investors, analysts and other parties including supplemental financial information and reconciliat

November 6, 2025 EX-99.1A

1

Exhibit 99.1(a) Third Quarter 2025 Earnings Prepared Comments Bill Cunningham, Celanese Corporation, Vice President, Investor Relations This is the Celanese Corporation third quarter 2025 earnings prepared comments. The Celanese Corporation third quarter 2025 earnings release was distributed via Business Wire this afternoon and posted on our investor relations website, investors.celanese.com. As a

November 6, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 6, 2025 CELANESE CORPORA

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 6, 2025 CELANESE CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-32410 98-0420726 (State or other jurisdiction of incorporation) (Commission F

October 28, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 28, 2025 (October 28, 202

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 28, 2025 (October 28, 2025) CELANESE CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-32410 98-0420726 (State or other jurisdiction of incorpora

October 28, 2025 EX-99.1

Celanese Corporation 222 West Las Colinas Blvd. Suite 900N Irving, Texas 75039 Celanese Announces Intent to Cease Manufacturing Operations at its Lanaken Acetate Tow Facility

Exhibit 99.1 News Release Celanese Corporation 222 West Las Colinas Blvd. Suite 900N Irving, Texas 75039 Celanese Announces Intent to Cease Manufacturing Operations at its Lanaken Acetate Tow Facility DALLAS, TX, October 28, 2025 – Celanese (NYSE: CE), a global chemical and specialty materials company, today announced to its employees and local union representatives its intent to cease operations

October 28, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 28, 2025 (October 28, 202

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 28, 2025 (October 28, 2025) CELANESE CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-32410 98-0420726 (State or other jurisdiction of incorpora

October 28, 2025 EX-99.1

Celanese Corporation 222 West Las Colinas Blvd. Suite 900N Irving, Texas 75039 Celanese Announces Agreement to Divest Micromax® Business

Exhibit 99.1 News Release Celanese Corporation 222 West Las Colinas Blvd. Suite 900N Irving, Texas 75039 Celanese Announces Agreement to Divest Micromax® Business •Purchase price of approximately $500 million, subject to adjustment, net proceeds of which will be dedicated to deleveraging •Current pro forma run rate EBITDA of the business in 2025 is approximately $40 million DALLAS, October 28, 202

August 11, 2025 EX-10.2

Sixth Amendment to Credit Agreement, dated as of August 11, 2025, by and among Celanese Corporation, Celanese US Holdings LLC, the subsidiary guarantors party thereto, each lender party thereto, and Bank of America, N.A., as Administrative Agent, amending that certain Term Loan Credit Agreement dated as of March 18, 2022.*

Exhibit 10.2 SIXTH AMENDMENT TO CREDIT AGREEMENT SIXTH AMENDMENT TO CREDIT AGREEMENT, dated as of August 11, 2025 (this “Sixth Amendment”), by and among Celanese Corporation, a Delaware corporation (“Holdings”), Celanese US Holdings LLC, a Delaware limited liability company (the “Company”), the Subsidiary Guarantors party hereto, Bank of America, N.A., as administrative agent (in such capacity, th

August 11, 2025 EX-10.1

Form of 2025 Time-Based Restricted Stock Unit Award Agreement (for non-employee directors).

Exhibit 10.1 [Form of 2025 Director Time-Based RSU Award Agreement] CELANESE CORPORATION AMENDED AND RESTATED 2018 GLOBAL INCENTIVE PLAN TIME-BASED RESTRICTED STOCK UNIT AWARD AGREEMENT DATED [Grant Date] Pursuant to the terms and conditions of the Celanese Corporation Amended and Restated 2018 Global Incentive Plan, you have been awarded Time-Based Restricted Stock Units, subject to the restricti

August 11, 2025 EX-99.2

Non-US GAAP Financial Measures and Supplemental Information August 11, 2025

Exhibit 99.2 Non-US GAAP Financial Measures and Supplemental Information August 11, 2025 In this document, the terms the "Company," "we" and "our" refer to Celanese Corporation and its subsidiaries on a consolidated basis. Purpose The purpose of this document is to provide information of interest to investors, analysts and other parties including supplemental financial information and reconciliati

August 11, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 11, 2025 CELANESE CORPORAT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 11, 2025 CELANESE CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-32410 98-0420726 (State or other jurisdiction of incorporation) (Commission Fi

August 11, 2025 EX-22.1

List of Guarantor Subsidiaries.

Exhibit 22.1 List of Guarantor Subsidiaries (as of June 30, 2025) Celanese US Holdings LLC (the "Issuer"), a 100% owned subsidiary of Celanese Corporation (the "Parent"), has 1.400% Senior Notes due 2026, 4.777% Senior Notes due 2026, 2.125% Senior Notes due 2027, 6.415% Senior Notes due 2027(2), 0.625% Senior Notes due 2028, 6.850% Senior Notes due 2028(1)(4), 5.587% Senior Notes due 2029(3), 6.5

August 11, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2025 Or ☐ TRANSITION REPORT PURSUANT T

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2025 Or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number: 001-32410 CELANESE CORPORATION (Exact Name of R

August 11, 2025 EX-99.1B

Q2 Investor Presentation August 2025 Celanese Corporation Disclosures Forward-Looking Statements This presentation may contain "forward-looking statements," which include information concerning Celanese Corporation’s (the “Company”) plans objectives,

q220258-kex991b Q2 Investor Presentation August 2025 Celanese Corporation Disclosures Forward-Looking Statements This presentation may contain "forward-looking statements," which include information concerning Celanese Corporation’s (the “Company”) plans objectives, goals, strategies, future revenues, cash flow, financial performance, synergies, capital expenditures, deleveraging efforts, planned cost reductions, dividend policy, financing needs and other information that is not historical information.

August 11, 2025 EX-10.1

Credit Agreement, dated as of August 11, 2025, by and among Celanese Corporation, Celanese US Holdings LLC, certain subsidiaries of Celanese US Holdings LLC from time to time party thereto as borrowers, each lender from time to time party thereto, Bank of America, N.A., as Administrative Agent, a Swing Line Lender and an L/C Issuer and other Swing Line Lenders and L/C Issuers party thereto.*

Exhibit 10.1 Published Deal CUSIP Number: 15089XAQ2 Published Revolver CUSIP Number: 15089XAR0 CREDIT AGREEMENT Dated as of August 11, 2025 among CELANESE CORPORATION, as Holdings, CELANESE US HOLDINGS LLC and CERTAIN SUBSIDIARIES THEREOF, as Borrowers, BANK OF AMERICA, N.A., as Administrative Agent, a Swing Line Lender and an L/C Issuer, and The Other Lenders Party Hereto, with DEUTSCHE BANK SECU

August 11, 2025 EX-99.1A

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Exhibit 99.1(a) Second Quarter 2025 Earnings Prepared Comments Bill Cunningham, Celanese Corporation, Vice President, Investor Relations This is the Celanese Corporation second quarter 2025 earnings prepared comments. The Celanese Corporation second quarter 2025 earnings release was distributed via Business Wire this afternoon and posted on our investor relations website, investors.celanese.com. A

August 11, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 11, 2025 CELANESE CORPORAT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 11, 2025 CELANESE CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-32410 98-0420726 (State or other jurisdiction of incorporation) (Commission Fi

August 11, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 11, 2025 (August 11, 2025)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 11, 2025 (August 11, 2025) CELANESE CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-32410 98-0420726 (State or other jurisdiction of incorporati

August 11, 2025 EX-99.2

Non-US GAAP Financial Measures and Supplemental Information August 11, 2025

Exhibit 99.2 Non-US GAAP Financial Measures and Supplemental Information August 11, 2025 In this document, the terms the "Company," "we" and "our" refer to Celanese Corporation and its subsidiaries on a consolidated basis. Purpose The purpose of this document is to provide information of interest to investors, analysts and other parties including supplemental financial information and reconciliati

August 11, 2025 EX-99.1

Celanese Corporation Reports Second Quarter Earnings

Exhibit 99.1 Celanese Corporation Reports Second Quarter Earnings Dallas, August 11, 2025: Celanese Corporation (NYSE: CE), a global chemical and specialty materials company, today reported second quarter 2025 U.S. GAAP diluted earnings per share of $1.90 and adjusted earnings per share of $1.44. The Company generated net sales of $2.5 billion in the second quarter, a 6 percent increase from the p

June 20, 2025 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 11-K ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 11-K ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 (Mark One) þ ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended: December 31, 2024 OR ¨ TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1

May 30, 2025 EX-1.01

Exhibit 1.01 Conflict Minerals Report

Exhibit 1.01 Celanese Corporation Conflict Minerals Report For the Reporting Period January 1, 2024 to December 31, 2024 Introduction This Conflict Minerals Report ("Report") of Celanese Corporation ("Celanese") is filed pursuant to Rule 13p-1 and Form SD ("Rule") promulgated under the Securities Exchange Act of 1934, as amended. This Report covers the reporting period from January 1, 2024 to Dece

May 30, 2025 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form SD Specialized Disclosure Report CELANESE CORPORATION (Exact Name of Registrant as Specified in its Charter) Delaware (State or Other Jurisdiction of Incorporation or Organi

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form SD Specialized Disclosure Report CELANESE CORPORATION (Exact Name of Registrant as Specified in its Charter) Delaware (State or Other Jurisdiction of Incorporation or Organization) 001-32410 (Commission File Number) 222 West Las Colinas Blvd., Suite 900N Irving TX (Address of Principal Executive Offices) 75039-5421 (Zip C

May 16, 2025 EX-3.2

Certificate of Elimination of 4.25% Convertible Perpetual Preferred Stock of Celanese Corporation, effective May 15, 2025.

Exhibit 3.2 CERTIFICATE OF ELIMINATION OF 4.25% CONVERTIBLE PERPETUAL PREFERRED STOCK OF CELANESE CORPORATION (Pursuant to Section 151(g) of the Delaware General Corporation Law) Celanese Corporation, a Delaware corporation (the “Company”), does hereby certify that the following resolutions respecting the 4.25% Convertible Perpetual Preferred Stock were duly adopted by the Company’s Board of Direc

May 16, 2025 EX-3.1

Certificate of Amendment of Second Amended and Restated Certificate of Incorporation of Celanese Corporation, effective May 15, 2025.

Exhibit 3.1 state of delaware Certificate of Amendment Of SECOND AMENDED AND RESTATED Certificate of Incorporation Of CELANESE Corporation Celanese Corporation (the “Corporation”), a corporation organized and existing under and by virtue of the General Corporation Law of the State of Delaware, does hereby certify: FIRST: The Second Amended and Restated Certificate of Incorporation of the Corporati

May 16, 2025 EX-3.4

Amended and Restated By-laws of Celanese Corporation, effective May 15, 2025.

Exhibit 3.4 CELANESE CORPORATION AMENDED AND RESTATED BY-LAWS Effective as of May 15, 2025 Article I OFFICES Section 1.01           Registered Office. The registered office and registered agent of the Corporation in the State of Delaware shall be as designated from time to time by the appropriate filing by the Corporation in the office of the Secretary of State of the State of Delaware. The Corpor

May 16, 2025 EX-3.3

, 2025 (incorporated by reference to Exhibit 3.3 to the Current Report on Form 8-K filed with the SEC on May 1

Exhibit 3.3 RESTATED CERTIFICATE OF INCORPORATION OF CELANESE CORPORATION (Originally incorporated on November 3, 2004) Article I Section 1.1    Name. The name of the Corporation (the “Corporation”) is: Celanese Corporation. Article II Section 2.1    Address. The registered office in the State of Delaware is Corporate Creations Network Inc., 1521 Concord Pike, Suite 201, Wilmington, New Castle Cou

May 16, 2025 8-K

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 15, 2025 (May 14, 2025) CELANESE CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-32410 98-0420726 (State or other jurisdiction of incorporation) (C

May 6, 2025 EX-4.2

Sixteenth Supplemental Indenture, dated as of March 14, 2025, among Celanese US Holdings LLC, Celanese Corporation, the subsidiary guarantors party thereto, U.S. Bank Trust Company, National Association, as series trustee and Computershare Trust Company, N.A. (as successor trustee to Wells Fargo Bank, National Association), as base trustee.

Exhibit 4.2 Execution Version CELANESE US HOLDINGS LLC THE GUARANTORS PARTY HERETO, as Guarantors and U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION, as Trustee and COMPUTERSHARE TRUST COMPANY, N.A., as Base Trustee (as successor to Wells Fargo Bank, National Association) 6.500% Senior Notes due 2030 6.750% Senior Notes due 2033 SIXTEENTH SUPPLEMENTAL INDENTURE Dated as of March 14, 2025 to INDENTU

May 6, 2025 EX-10.8

Agreement and General Release, dated as of February 6, 2025, between Celanese Corporation and Thomas Kelly.

Exhibit 10.8 AGREEMENT AND GENERAL RELEASE ("Agreement") Celanese Corporation and its subsidiaries and affiliates ("Company", "Employer," or "Celanese"), 222 W. Las Colinas Blvd., Irving, Texas 75039, and THOMAS KELLY and his heirs, executors, administrators, successors, and assigns ("Executive") agree that: 1.Last Day of Active Employment; Transition Period; Separation Date. The last day of Execu

May 6, 2025 EX-10.4

Form of 2025 Performance-Based Restricted Stock Unit Award Agreement.

Exhibit 10.4 [Form of 2025 Performance-Based RSU Agreement] CELANESE CORPORATION AMENDED AND RESTATED 2018 GLOBAL INCENTIVE PLAN PERFORMANCE-BASED RESTRICTED STOCK UNIT AWARD AGREEMENT DATED [Grant Date] Pursuant to the terms and conditions of the Celanese Corporation Amended and Restated 2018 Global Incentive Plan, you have been awarded Performance-Based Restricted Stock Units, subject to the res

May 6, 2025 EX-22.1

List of Guarantor Subsidiaries.

Exhibit 22.1 List of Guarantor Subsidiaries Celanese US Holdings LLC (the "Issuer"), a 100% owned subsidiary of Celanese Corporation (the "Parent"), has 1.400% Senior Notes due 2026, 4.777% Senior Notes due 2026, 2.125% Senior Notes due 2027, 6.415% Senior Notes due 2027(2), 0.625% Senior Notes due 2028, 6.600% Senior Notes due 2028(1), 5.587% Senior Notes due 2029(3), 6.580% Senior Notes due 2029

May 6, 2025 EX-10.5

Form of 2025 Performance-Based Restricted Stock Unit Award Agreement for Chief Executive Officer.

Exhibit 10.5 [Form of 2025 CEO Performance-Based RSU Agreement] CELANESE CORPORATION AMENDED AND RESTATED 2018 GLOBAL INCENTIVE PLAN PERFORMANCE-BASED RESTRICTED STOCK UNIT AWARD AGREEMENT DATED [Grant Date] Pursuant to the terms and conditions of the Celanese Corporation Amended and Restated 2018 Global Incentive Plan, you have been awarded Performance-Based Restricted Stock Units, subject to the

May 6, 2025 EX-10.9

Offer Letter, dated January 15, 2025, between Celanese Corporation and Todd L. Elliott.

Exhibit 10.9 January 14, 2025 Dear Todd Elliott: Congratulations! I am pleased to offer you the position of SVP, Engineered Materials for Celanese Corporation reporting to Scott Richardson, President & CEO. Your position will be based at our Irving, Texas office. We are confident that you will be a great addition to Celanese, and we are thrilled to have you join the team! This letter outlines the

May 6, 2025 EX-10.6

Form of 2025 Time-Based Stock Option Award Agreement.

Exhibit 10.6 [Form of 2025 Time-Based Stock Option Award] CELANESE CORPORATION AMENDED AND RESTATED 2018 GLOBAL INCENTIVE PLAN NONQUALIFIED STOCK OPTION AWARD AGREEMENT DATED [Grant Date] Pursuant to the terms and conditions of the Celanese Corporation Amended and Restated 2018 Global Incentive Plan, you have been awarded Nonqualified Stock Options, subject to the restrictions described in this Ag

May 6, 2025 EX-10.10

Change in Control Agreement between Celanese Corporation and Todd L. Elliott.

Exhibit 10.10 CHANGE IN CONTROL AGREEMENT This CHANGE IN CONTROL AGREEMENT (the "Agreement") is entered into on March 14, 2025 (the "Effective Date") by and between Celanese Corporation (the "Company") and Todd Elliott (the "Executive"). The Company considers it essential to foster the continued employment of key management personnel. The Board of Directors of the Company (the "Board") believes th

May 6, 2025 EX-10.7

Form of 2025 Time-Based Stock Option Award Agreement for Chief Executive Officer.

Exhibit 10.7 [Form of 2025 Time-Based CEO Stock Option Award] CELANESE CORPORATION AMENDED AND RESTATED 2018 GLOBAL INCENTIVE PLAN NONQUALIFIED STOCK OPTION AWARD AGREEMENT DATED [Grant Date] Pursuant to the terms and conditions of the Celanese Corporation Amended and Restated 2018 Global Incentive Plan, you have been awarded Nonqualified Stock Options, subject to the restrictions described in thi

May 6, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2025 Or ☐ TRANSITION REPORT PURSUANT

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2025 Or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number: 001-32410 CELANESE CORPORATION (Exact Name of

May 5, 2025 EX-99.1

Celanese Corporation Reports First Quarter Earnings

Exhibit 99.1 Celanese Corporation Reports First Quarter Earnings Dallas, May 5, 2025: Celanese Corporation (NYSE: CE), a global chemical and specialty materials company, today reported first quarter 2025 U.S. GAAP diluted loss per share of $0.15 and adjusted earnings per share of $0.57. The Company generated net sales of $2.4 billion in the first quarter, a 1 percent increase from the previous qua

May 5, 2025 EX-99.1A

1

Exhibit 99.1(a) First Quarter 2025 Earnings Prepared Comments Bill Cunningham, Celanese Corporation, Vice President, Investor Relations This is the Celanese Corporation first quarter 2025 earnings prepared comments. The Celanese Corporation first quarter 2025 earnings release was distributed via Business Wire this afternoon and posted on our investor relations website, investors.celanese.com. As a

May 5, 2025 EX-99.2

Non-US GAAP Financial Measures and Supplemental Information May 5, 2025

Exhibit 99.2 Non-US GAAP Financial Measures and Supplemental Information May 5, 2025 In this document, the terms the "Company," "we" and "our" refer to Celanese Corporation and its subsidiaries on a consolidated basis. Purpose The purpose of this document is to provide information of interest to investors, analysts and other parties including supplemental financial information and reconciliations

May 5, 2025 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 5, 2025 CELANESE CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-32410 98-0420726 (State or other jurisdiction of incorporation) (Commission File N

May 5, 2025 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 5, 2025 CELANESE CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-32410 98-0420726 (State or other jurisdiction of incorporation) (Commission File N

May 5, 2025 EX-99.1B

Q1 Investor Presentation May 2025 Celanese Corporation Disclosures Forward-Looking Statements This presentation may contain "forward-looking statements," which include information concerning Celanese Corporation’s (the “Company”) plans objectives, go

Q1 Investor Presentation May 2025 Celanese Corporation Disclosures Forward-Looking Statements This presentation may contain "forward-looking statements," which include information concerning Celanese Corporation’s (the “Company”) plans objectives, goals, strategies, future revenues, cash flow, financial performance, synergies, capital expenditures, deleveraging efforts, planned cost reductions, dividend policy, financing needs and other information that is not historical information.

May 5, 2025 EX-99.2

Non-US GAAP Financial Measures and Supplemental Information May 5, 2025

Exhibit 99.2 Non-US GAAP Financial Measures and Supplemental Information May 5, 2025 In this document, the terms the "Company," "we" and "our" refer to Celanese Corporation and its subsidiaries on a consolidated basis. Purpose The purpose of this document is to provide information of interest to investors, analysts and other parties including supplemental financial information and reconciliations

March 24, 2025 ARS

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March 24, 2025 DEFR14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. 1)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. 1) Filed by the Registrant þ Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-

March 24, 2025 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant þ Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ¨ Definit

March 24, 2025 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant þ Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) þ Definit

March 19, 2025 EX-99.2

Title of Security(a) ISIN / CUSIP Series Cap(c) Principal Amount Tendered as of Early Tender Time Principal Amount Accepted Pro-Ration Factor(f) Interpolated Mid-Swap Rate / Reference Security Bloomberg Reference Page Early Tender Payment (per €1,000

Exhibit 99.2 News Release Celanese Corporation 222 West Las Colinas Blvd. Suite 900N Irving, Texas 75039 Celanese Announces Pricing of Cash Tender Offers for 4.777% Senior Notes due 2026 and 6.415% Senior Notes due 2027 DALLAS (March 19, 2025)-(PR NEWSWIRE)- Celanese Corporation (NYSE: CE) (“Celanese”), a global chemical and specialty materials company, today announced the pricing of offers by its

March 19, 2025 EX-99.1

Title of Security(a) ISIN / CUSIP Outstanding Principal Amount Series Cap(c) Principal Amount Tendered as of Early Tender Time Principal Amount Expected to be Accepted as of Early Tender Time Proration Factor 4.777% Senior Notes due 2026 XS2497520705

Exhibit 99.1 News Release Celanese Corporation 222 West Las Colinas Blvd. Suite 900N Irving, Texas 75039 Celanese Announces Early Results and Upsize of Tender Offers for 4.777% Senior Notes due 2026 and 6.415% Senior Notes due 2027 DALLAS (March 18, 2025)-(PR NEWSWIRE)- Celanese Corporation (NYSE: CE) (“Celanese”), a global chemical and specialty materials company, today announced the early result

March 19, 2025 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 19, 2025 (March 18, 2025) CELANESE CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-32410 98-0420726 (State or other jurisdiction of incorporation

March 17, 2025 CERT

NYSE CERTIFICATION

New York Stock Exchange 11 Wall Street New York, NY 10005 Tel: +1 212.656.3000 nyse.com March 17, 2025 Chief, Information Technology Securities and Exchange Commission Division of Corporate Finance 100 F Street, NE MS 3040 Washington, DC 20549 To whom it may concern: The New York Stock Exchange certifies its approval for listing and registration of the 5.000% Senior Notes Due 2031 of Celanese US H

March 14, 2025 EX-4.2

Fifteenth Supplemental Indenture, dated as of March 14, 2025, among Celanese US Holdings LLC, Celanese Corporation, the subsidiary guarantors party thereto, U.S. Bank Trust Company, National Association, as series trustee, registrar and transfer agent, U.S. Bank Europe DAC, UK Branch (formerly known as Elavon Financial Services DAC, UK Branch) as paying agent and Computershare Trust Company, N.A. (as successor trustee to Wells Fargo Bank, National Association), as base trustee.

Exhibit 4.2 Execution Version CELANESE US HOLDINGS LLC THE GUARANTORS PARTY HERETO, as Guarantors, U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION, as Trustee, Registrar and Transfer Agent and U.S. BANK EUROPE DAC, UK BRANCH (formerly known as Elavon Financial Services DAC, UK Branch), as Paying Agent and COMPUTERSHARE TRUST COMPANY, N.A., as Base Trustee (as successor to Wells Fargo Bank, National

March 14, 2025 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 14, 2025 (March 14, 2025) CELANESE CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-32410 98-0420726 (State or other jurisdiction of incorporation

March 14, 2025 8-K

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 14, 2025 CELANESE CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-32410 98-0420726 (State or other jurisdiction of incorporation) (Commission Fil

March 14, 2025 PRE 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant þ Filed by a Party other than the Registrant ¨ Check the appropriate box: þ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ¨ Definit

March 14, 2025 EX-4.4

Sixteenth Supplemental Indenture, dated as of March 14, 2025, among Celanese US Holdings LLC, Celanese Corporation, the subsidiary guarantors party thereto, U.S. Bank Trust Company, National Association, as series trustee and Computershare Trust Company, N.A. (as successor trustee to Wells Fargo Bank, National Association), as base trustee.

Exhibit 4.4 Execution Version CELANESE US HOLDINGS LLC THE GUARANTORS PARTY HERETO, as Guarantors and U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION, as Trustee and COMPUTERSHARE TRUST COMPANY, N.A., as Base Trustee (as successor to Wells Fargo Bank, National Association) 6.500% Senior Notes due 2030 6.750% Senior Notes due 2033 SIXTEENTH SUPPLEMENTAL INDENTURE Dated as of March 14, 2025 to INDENTU

March 14, 2025 8-A12B

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-A FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES PURSUANT TO SECTION 12(b) OR 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 Celanese Corporation (Exact Name of Registran

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-A FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES PURSUANT TO SECTION 12(b) OR 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 Celanese Corporation (Exact Name of Registrant as Specified in Its Charter) Delaware 98-0420726 (State of Incorporation or Organization) (I.R.S. Employer Identification No.) 222 West Las Colinas

March 14, 2025 EX-3.1

2025 (incorporated by reference to Exhibit 3.1 to the Current

Exhibit 3.1 FIRST AMENDMENT TO THE SEVENTH AMENDED AND RESTATED BY-LAWS OF CELANESE CORPORATION March 14, 2025 Reference is made to that certain Seventh Amended and Restated By-laws of Celanese Corporation, effective as of November 2, 2022 (the “By-laws”). 1.            Section 8.01 of the By-laws is hereby amended and restated in its entirety as follows: Section 8.01 Exclusive Forum. (A)         

March 10, 2025 424B5

Celanese US Holdings LLC $700,000,000 6.500% Senior Notes due 2030 $1,100,000,000 6.750% Senior Notes due 2033

Table of Contents Filed Pursuant to Rule 424(b)(5) Registration File No. 333-271048 PROSPECTUS SUPPLEMENT (To prospectus dated March 31, 2023) Celanese US Holdings LLC $700,000,000 6.500% Senior Notes due 2030 $1,100,000,000 6.750% Senior Notes due 2033 Celanese US Holdings LLC (the "Issuer") is offering $700,000,000 aggregate principal amount of its 6.500% Senior Notes due 2030 (the "2030 notes")

March 10, 2025 EX-FILING FEES

Table 1: Newly Registered and Carry Forward Securities

Calculation of Filing Fee Tables S-3 Celanese Corp Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Carry Forward Form Type Carry Forward File Number Carry Forward Initial Effective Date Filing Fee Previously Paid in Connection with Unsold Securities to be Carried Forward Newly Registered Securities Fees to be Paid 1 Debt 6.

March 10, 2025 EX-FILING FEES

Table 1: Newly Registered and Carry Forward Securities

Calculation of Filing Fee Tables S-3 Celanese Corp Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Carry Forward Form Type Carry Forward File Number Carry Forward Initial Effective Date Filing Fee Previously Paid in Connection with Unsold Securities to be Carried Forward Newly Registered Securities Fees to be Paid 1 Debt 5.

March 10, 2025 424B5

Celanese US Holdings LLC €750,000,000 5.000% Senior Notes due 2031

Table of Contents Filed Pursuant to Rule 424(b)(5) Registration File No. 333-271048 PROSPECTUS SUPPLEMENT (To prospectus dated March 31, 2023) Celanese US Holdings LLC €750,000,000 5.000% Senior Notes due 2031 Celanese US Holdings LLC (the "Issuer" is offering €750,000,000 aggregate principal amount of its 5.000% Senior Notes due 2031 (the "notes"). Interest on the notes will be payable semi-annua

March 7, 2025 EX-1.2

Underwriting Agreement, dated March 6, 2025, by and among Celanese US Holdings LLC, Celanese Corporation, the subsidiary guarantors named therein, and J.P. Morgan Securities plc, as representative of the other underwriters named therein.

Exhibit 1.2 Execution Version UNDERWRITING AGREEMENT March 6, 2025 J.P. MORGAN SECURITIES PLC As Representative of the several Underwriters c/o J.P. MORGAN SECURITIES PLC 25 Bank Street Canary Wharf London E14 5JP United Kingdom Ladies and Gentlemen: Introductory. Celanese US Holdings LLC, a Delaware limited liability company (the “Company”), a wholly-owned subsidiary of Celanese Corporation, a De

March 7, 2025 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 7, 2025 (March 6, 2025) CELANESE CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-32410 98-0420726 (State or other jurisdiction of incorporation)

March 7, 2025 EX-1.1

Underwriting Agreement, dated March 6, 2025, by and among Celanese US Holdings LLC, Celanese Corporation, the subsidiary guarantors named therein, and J.P. Morgan Securities LLC, as representative of the other underwriters named therein.

Exhibit 1.1 Execution Version UNDERWRITING AGREEMENT March 6, 2025 J.P. MORGAN SECURITIES LLC As Representative of the several Underwriters c/o J.P. MORGAN SECURITIES LLC 383 Madison Avenue New York, New York 10179 Ladies and Gentlemen: Introductory. Celanese US Holdings LLC, a Delaware limited liability company (the “Company”), a wholly-owned subsidiary of Celanese Corporation, a Delaware corpora

March 6, 2025 FWP

Free Writing Prospectus Filed pursuant to Rule 433 under the Securities Act (To the Preliminary Prospectus Registration No. 333-271048 Supplement dated March 5, 2025)

Free Writing Prospectus Filed pursuant to Rule 433 under the Securities Act (To the Preliminary Prospectus Registration No.

March 6, 2025 FWP

Free Writing Prospectus Filed pursuant to Rule 433 under the Securities Act (To the Preliminary Prospectus Registration No. 333-271048 Supplement dated March 5, 2025)

Free Writing Prospectus Filed pursuant to Rule 433 under the Securities Act (To the Preliminary Prospectus Registration No.

March 5, 2025 424B5

Subject to Completion Preliminary Prospectus Supplement dated March 5, 2025

Table of Contents Filed Pursuant to Rule 424(b)(5) Registration File No. 333-271048 The information in this preliminary prospectus supplement is not complete and may be changed. This preliminary prospectus supplement and the accompanying prospectus are not an offer to sell these securities nor are they soliciting an offer to buy these securities in any jurisdiction where the offer or sale is not p

March 5, 2025 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 5, 2025 CELANESE CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-32410 98-0420726 (State or other jurisdiction of incorporation) (Commission File

March 5, 2025 EX-99.1

Title of

Exhibit 99.1 Celanese Announces Cash Tender Offers for up to €500 Million Aggregate Principal Amount of 4.777% Senior Notes due 2026 and $250 Million Aggregate Principal Amount of 6.415% Senior Notes due 2027 Wednesday, March 5, 2025 DALLAS-(BUSINESS WIRE)- Celanese Corporation (NYSE: CE) (“Celanese”), a global chemical and specialty materials company, today announced that its direct wholly-owned

March 5, 2025 424B5

Subject to Completion Preliminary Prospectus Supplement dated March 5, 2025

Table of Contents Filed Pursuant to Rule 424(b)(5) Registration File No. 333-271048 The information in this preliminary prospectus supplement is not complete and may be changed. This preliminary prospectus supplement and the accompanying prospectus are not an offer to sell these securities nor are they soliciting an offer to buy these securities in any jurisdiction where the offer or sale is not p

February 21, 2025 EX-97

Celanese Corporation Incentive-Based Compensation Recoupment (Clawback) Policy.

Exhibit 97 CELANESE CORPORATION INCENTIVE-BASED COMPENSATION RECOUPMENT (CLAWBACK) POLICY (Financial Restatements) I.

February 21, 2025 EX-4.10

Description of the Company's Securities Registered Under Section 12 of the Securities Exchange Act of 1934.

Exhibit 4.10 DESCRIPTION OF THE REGISTRANT'S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 Celanese Corporation (the "Company") and its subsidiaries have six classes of securities registered under Section 12 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"): (1) the Company's common stock; (2) the 1.250% Senior Notes due 2025 of Celanese

February 21, 2025 EX-10.12(C)1

Amended Schedule of Participants to Form of Non-CEO Amended and Restated Change in Control Agreement.

Exhibit 10.12(c).1 Amended Schedule of Participants to Form of Non-CEO Amended and Restated Change in Control Agreement (12.31.2024) Scott A. Richardson Thomas F. Kelly Mark C. Murray Chuck B. Kyrish Ashley B. Duffie

February 21, 2025 EX-10.11(A)

Agreement and General Release, dated December 27, 2024 between Celanese Corporation and Lori J. Ryerkerk.

Exhibit 10.11(a) AGREEMENT AND GENERAL RELEASE ("Agreement") Celanese Corporation and its subsidiaries and affiliates ("Company", "Employer," or "Celanese"), 222 W. Las Colinas Blvd., Irving, Texas 75039, and Lori J. Ryerkerk and her heirs, executors, administrators, successors, and assigns ("Executive") agree that: 1.Last Day of Active Employment; Separation Date. The last day of Executive's empl

February 21, 2025 EX-10.16

Summary of Non-Employee Director Compensation.

Exhibit 10.16 Summary of Non-Employee Director Compensation Each non-employee director of Celanese Corporation (the "Company") is entitled to (i) an annual cash retainer of $125,000, which is paid in quarterly installments, in arrears, and (ii) an annual equity retainer of $175,000 in restricted stock units (awarded at the first regular board meeting following the Annual Meeting of Stockholders).

February 21, 2025 EX-19.1

Insider Trading Policy

Exhibit 19.1 CELANESE CORPORATION INSIDER TRADING POLICY AND PROCEDURES As amended July 20, 2023 1.0 Purpose This policy provides guidelines with respect to transactions in securities of Celanese Corporation (together with its subsidiaries, the "Company") and the handling of material, nonpublic information (as defined below) about the Company and other companies with which the Company may do busin

February 21, 2025 EX-22.1

List of Guarantor Subsidiaries.

Exhibit 22.1 List of Guarantor Subsidiaries Celanese US Holdings LLC (the "Issuer"), a 100% owned subsidiary of Celanese Corporation (the "Parent"), has 1.250% Senior Notes due 2025, 6.050% Senior Notes due 2025, 1.400% Senior Notes due 2026, 4.777% Senior Notes due 2026, 2.125% Senior Notes due 2027, 6.165% Senior Notes due 2027, 0.625% Senior Notes due 2028, 6.600% Senior Notes due 2028(1), 5.33

February 21, 2025 EX-21.1

List of Subsidiaries of Celanese Corporation.

Exhibit 21.1 List of Subsidiaries of Celanese Corporation (As of December 31, 2024) Name of Company Jurisdiction Aggregate Ownership of more than 70% (100% aggregate ownership unless otherwise indicated) Acetate (Malta) Company Limited Malta Acetate Belgium Holdings B.V. Netherlands Acetate Belgium Holdings LLC Delaware Acetate Europe Coöperatief U.A. Netherlands Acetate Holdings LLC Delaware Acet

February 21, 2025 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K ☑ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SE

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K ☑ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 (Commission File Number) 001-32410 CELANESE CORPORATION (Exact Name of Regi

February 18, 2025 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 18, 2025 CELANESE CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-32410 98-0420726 (State or other jurisdiction of incorporation) (Commission

February 18, 2025 EX-99.2

Non-US GAAP Financial Measures and Supplemental Information February 18, 2025

Exhibit 99.2 Non-US GAAP Financial Measures and Supplemental Information February 18, 2025 In this document, the terms the "Company," "we" and "our" refer to Celanese Corporation and its subsidiaries on a consolidated basis. Purpose The purpose of this document is to provide information of interest to investors, analysts and other parties including supplemental financial information and reconcilia

February 18, 2025 EX-99.2

Non-US GAAP Financial Measures and Supplemental Information February 18, 2025

Exhibit 99.2 Non-US GAAP Financial Measures and Supplemental Information February 18, 2025 In this document, the terms the "Company," "we" and "our" refer to Celanese Corporation and its subsidiaries on a consolidated basis. Purpose The purpose of this document is to provide information of interest to investors, analysts and other parties including supplemental financial information and reconcilia

February 18, 2025 EX-99.1

Celanese Corporation Reports Full Year 2024 and Fourth Quarter Earnings

Exhibit 99.1 Celanese Corporation Reports Full Year 2024 and Fourth Quarter Earnings Dallas, February 18, 2025: Celanese Corporation (NYSE: CE), a global chemical and specialty materials company, today reported full year 2024 U.S. GAAP diluted loss per share of $13.86 and adjusted earnings per share of $8.37. The Company generated net sales of $10.3 billion in 2024, a 6 percent decrease from the p

February 18, 2025 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 18, 2025 (February 17, 2025) CELANESE CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-32410 98-0420726 (State or other jurisdiction of incorpo

February 18, 2025 EX-99.1B

2025 Key Actions February 2025 Exhibit 99.1(b) Celanese Corporation Disclosures Forward-Looking Statements This presentation may contain "forward-looking statements," which include information concerning Celanese Corporation’s (the “Company”) plans o

2025 Key Actions February 2025 Exhibit 99.1(b) Celanese Corporation Disclosures Forward-Looking Statements This presentation may contain "forward-looking statements," which include information concerning Celanese Corporation’s (the “Company”) plans objectives, goals, strategies, future revenues, cash flow, financial performance, synergies, capital expenditures, deleveraging efforts, dividend polic

February 18, 2025 EX-99.1A

1

Exhibit 99.1(a) Fourth Quarter 2024 Earnings Prepared Comments Bill Cunningham, Celanese Corporation, Vice President, Investor Relations This is the Celanese Corporation fourth quarter 2024 earnings prepared comments. The Celanese Corporation fourth quarter 2024 earnings release was distributed via Business Wire this afternoon and posted on our investor relations website, investors.celanese.com. A

February 18, 2025 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 18, 2025 CELANESE CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-32410 98-0420726 (State or other jurisdiction of incorporation) (Commission

February 18, 2025 EX-10.1

Fifth Amendment to Credit Agreement, dated as of February 17, 2025, by and among Celanese Corporation, Celanese US Holdings LLC, the subsidiary guarantors party thereto, each lender party thereto, and Bank of America, N.A., as Administrative Agent, amending that certain Term Loan Credit Agreement dated as of March 18, 2022

vz1 Exhibit 10.1 Execution Version FIFTH AMENDMENT TO CREDIT AGREEMENT FIFTH AMENDMENT TO CREDIT AGREEMENT, dated as of February 17, 2025 (this “Fifth Amendment”), by and among Celanese Corporation, a Delaware corporation (“Holdings”), Celanese US Holdings LLC, a Delaware limited liability company (the “Company”), the Subsidiary Guarantors party hereto, Bank of America, N.A., as administrative age

February 18, 2025 EX-10.3

First Amendment to Credit Agreement, dated as of February 17, 2025, by and among Celanese Corporation, Celanese US Holdings LLC, each lender party thereto, and Bank of America, N.A., as Administrative Agent, amending that certain Term Loan Credit Agreement dated as of November 1, 2024

Exhibit 10.3 Execution Version FIRST AMENDMENT TO CREDIT AGREEMENT FIRST AMENDMENT TO CREDIT AGREEMENT, dated as of February 17, 2025 (this “First Amendment”), by and among Celanese Corporation, a Delaware corporation (“Holdings”), Celanese US Holdings LLC, a Delaware limited liability company (the “Company”), the Subsidiary Guarantors party hereto, Bank of America, N.A., as administrative agent (

February 18, 2025 EX-10.2

Fourth Amendment to Credit Agreement, dated as of February 17, 2025, by and among Celanese Corporation, Celanese US Holdings LLC, Celanese Europe B.V., the subsidiary guarantors party thereto, each lender party thereto, and Bank of America, N.A., as Administrative Agent, amending that certain Credit Agreement dated as of March 18, 2022

Exhibit 10.2 Execution Version FOURTH AMENDMENT TO CREDIT AGREEMENT FOURTH AMENDMENT TO CREDIT AGREEMENT, dated as of February 17, 2025 (this “Fourth Amendment”), by and among Celanese Corporation, a Delaware corporation (“Holdings”), Celanese US Holdings LLC, a Delaware limited liability company (the “Company”), Celanese Europe B.V., a private limited liability company incorporated under the laws

February 14, 2025 EX-99.1

Scott Sutton Elected to Celanese Board of Directors Board Establishes Finance and Business Review Committee to Assist with Oversight of the Company’s Financial Position and Business Improvement Initiatives

Exhibit 99.1 News Release Celanese Corporation 222 West Las Colinas Blvd Irving, Texas 75039 Scott Sutton Elected to Celanese Board of Directors Board Establishes Finance and Business Review Committee to Assist with Oversight of the Company’s Financial Position and Business Improvement Initiatives DALLAS – February 14, 2025 – Celanese Corporation (NYSE: CE), a global chemical and specialty materia

February 14, 2025 8-K

Financial Statements and Exhibits, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 14, 2025 (February 13, 2025) CELANESE CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-32410 98-0420726 (State or other jurisdiction of incorpo

February 11, 2025 EX-99.25

EX-99.25

NOTIFICATION OF THE REMOVAL FROM LISTING AND REGISTRATION OF THE STATED SECURITIES The New York Stock Exchange hereby notifies the SEC of its intention to remove the guarantor of the stated securities from listing and registration on the Exchange at the opening of business on February 24, 2025, pursuant to the provisions of Rule 12d2-2 (a).

February 10, 2025 EX-99

JOINT FILING AGREEMENT

JOINT FILING AGREEMENT The undersigned hereby agree that this Schedule 13G (the “Schedule 13G”) with respect to the common stock of Celanese Corporation is, and any additional amendment thereto signed by each of the undersigned shall be, filed on behalf of each undersigned pursuant to and in accordance with the provisions of 13d-1(k) under the Securities Exchange Act of 1934, as amended, and that all subsequent amendments to the Schedule 13G shall be filed on behalf of each of the undersigned without the necessity of filing additional joint filing agreements.

January 16, 2025 EX-99.1

Celanese Announces New Leadership Appointment to Drive Growth and Profitability Todd Elliott Rejoins Celanese to Lead Engineered Materials

Exhibit 99.1 News Release Celanese Corporation 222 West Las Colinas Blvd Irving, Texas 75039 Celanese Announces New Leadership Appointment to Drive Growth and Profitability Todd Elliott Rejoins Celanese to Lead Engineered Materials January 16, 2025 – Celanese Corporation (NYSE: CE), a global chemical and specialty materials company, today announced a new addition to its Executive Leadership Team (

January 16, 2025 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 16, 2025 (January 14, 2025) CELANESE CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-32410 98-0420726 (State or other jurisdiction of incorpora

December 19, 2024 EX-99.1

Christopher Kuehn Elected to Celanese Board of Directors

Exhibit 99.1 Celanese Corporation 222 West Las Colinas Blvd. Suite 900N Irving, Texas 75039 Christopher Kuehn Elected to Celanese Board of Directors DALLAS (December 19, 2024) - Celanese Corporation (NYSE: CE), a global chemical and specialty materials company, today announced that Christopher Kuehn has been elected to the company’s Board of Directors. Mr. Kuehn, 52, is the Executive Vice Presiden

December 19, 2024 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 19, 2024 (December 19, 2024) CELANESE CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-32410 98-0420726 (State or other jurisdiction of incorpo

December 12, 2024 EX-10.1

Designated Roles Member Severance Benefits Plan

Exhibit 10.1 DESIGNATED ROLES MEMBER SEVERANCE BENEFITS PLAN Adopted: December 9, 2024 Effective January 1, 2025 Implementation Date: March 10, 2025 (for eligible employees participating in the Executive Severance Benefits Plan on December 31, 2024) Table of Contents Page Table of Contents i Executive Severance Benefits Plan Overview 1 Who is Eligible 1 Covered Severance Events 1 How the Severance

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