Celanese Corp

The information set forth in this Current Report contains certain “forward-looking statements,” which include information concerning the Company’s plans, objectives, goals, expected future costs associated with the anticipated closure of the above-referenced facility in Lanaken, Belgium, and other information that is not historical information. All forward-looking statements are based upon current expectations and beliefs and various assumptions. There can be no assurance that the Company will realize these expectations or that these beliefs will prove correct. There are a number of risks and uncertainties that could cause actual results to differ materially from the forward-looking statements contained herein. Numerous factors, many of which are beyond the Company’s control, could cause actual results to differ materially from those expressed as forward-looking statements. Certain of these risk factors are discussed under the heading “Risk Factors” in the Company’s Annual Report on Form 10-K for the year ended December 31, 2024, and other filings with the Securities and Exchange Commission. Any forward-looking statement speaks only as of the date it is made, and the Company undertakes no obligation to update any forward-looking statements to reflect events or circumstances after the date the statement is made.

(d) The following exhibits are being filed herewith:

• In connection with the disclosure set forth in Item 7.01, the information in Item 7.01 of this Current Report, including the exhibit attached hereto, is being furnished and shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or otherwise subject to the liabilities of such section. The information in Item 7.01 of this Current Report, including the exhibit, shall not be incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Exchange Act, regardless of any incorporation by reference language in any such filing. This Current Report will not be deemed an admission as to the materiality of any information in this Current Report that is required to be disclosed solely by Regulation FD.