(c) On March 15, 2017, Celanese Corporation (the “Company”) appointed Scott M. Sutton as Chief Operating Officer, in addition to his current responsibilities with respect to the Company’s Materials Solutions core. Mr. Sutton, 52, has over 25 years of experience in the chemical industry. He joined the Company in August 2013 and most recently served as Executive Vice President and President, Materials Solutions of the Company. Prior thereto, he served as the Company’s Co-Lead, Materials Solutions, Vice President and General Manager, Engineered Materials and Vice President of Supply Chain, with overall accountability for global manufacturing, procurement, logistics and capital, and Vice President of acetic acid and anhydride. Mr. Sutton was the President and General Manager of Chemtura Agrosolutions, a division of Chemtura Corporation, from February 2011 until July 2013. He also previously served as the Business Manager of tank construction for Landmark Structures and held positions of increasing responsibility with Albemarle Corporation over an 18 year period.

Mr. Sutton and the Company did not enter into or amend any agreements, and no compensatory grants or awards were made to Mr. Sutton, in connection with his appointment as chief operating officer. There are no arrangements or understandings between Mr. Sutton and other persons to which he was appointed as chief operating officer. There are no family relationships between Mr. Sutton and any director or executive officer of the Company. There have been no transactions since the beginning of the Company’s last fiscal year, and no transactions are currently proposed, in which the Company was or is to be a participant and in which Mr. Sutton or any member of his immediate family had or will have any interest, that are required to be disclosed to Item 404(a) of Regulation S-K.

About CELANESE CORPORATION (NYSE:CE)

Celanese Corporation (Celanese) is a technology and specialty materials company. The Company operates through four segments: Advanced Engineered Materials, Consumer Specialties, Industrial Specialties and Acetyl Intermediates. Its business involves processing chemical raw materials, such as methanol, carbon monoxide, ethylene and natural products, including wood pulp, into chemicals, thermoplastic polymers and other chemical-based products. It engineers and manufactures a range of products, which serves a range of end-use applications, including paints and coatings, textiles, automotive applications, consumer and medical applications, performance industrial applications, filtration applications, paper and packaging, chemical additives, construction, consumer and industrial adhesives, and food and beverage applications. The Company operates in North America, Europe and Asia and consists of approximately 20 global production facilities.

CELANESE CORPORATION (NYSE:CE) Recent Trading Information

CELANESE CORPORATION (NYSE:CE) closed its last trading session down -2.32 at 89.46 with 683,291 shares trading hands.