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): June 10, 2026 (June 10, 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 Number)		(IRS Employer Identification No.)

222 West Las Colinas Blvd. Suite 900N, Irving, TX 75039

(Address of Principal Executive Offices) (Zip Code)

Registrant's telephone number, including area code: (972) 443-4000

N/A

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

¨ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

¨ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

¨ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

¨ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of Each Class	Trading Symbol(s)	Name of Each Exchange on Which Registered
Common Stock, par value $0.0001 per share	CE	The New York Stock Exchange
4.777% Senior Notes due 2026	CE /26A	The New York Stock Exchange
2.125% Senior Notes due 2027	CE /27	The New York Stock Exchange
0.625% Senior Notes due 2028	CE /28	The New York Stock Exchange
5.337% Senior Notes due 2029	CE /29A	The New York Stock Exchange
5.000% Senior Notes due 2031	CE /31	The New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 or Rule 12b-2 of the Securities Exchange Act of 1934.

Emerging growth company ¨

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ¨

Item 8.01 Other Events.

On June 10, 2026, Celanese US Holdings LLC, a wholly owned subsidiary of Celanese Corporation, issued a notice of redemption for all of its outstanding 4.777% Senior Notes due July 19, 2026 (the “Notes”) pursuant to the indenture governing the Notes. The redemption is expected to occur on June 25, 2026 (the “Redemption Date”). The Notes are redeemable at a redemption price that will be equal to the sum of 100% of the principal amount of the Notes being redeemed plus accrued and unpaid interest thereon to the Redemption Date. This Form 8-K does not constitute a notice of redemption for the Notes.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

	CELANESE CORPORATION

	By:	/s/ ASHLEY B. DUFFIE
	Name:	Ashley B. Duffie
	Title:	Senior Vice President, General Counsel and Corporate Secretary

	Date:	June 10, 2026