Celanese Corporation Elects New Director, Board Expands to 11 Members

What Happened
Celanese Corporation announced on September 16, 2026 that its Board increased from 10 to 11 members and elected Luis Fernandez‑Moreno as a director effective the same date. Mr. Fernandez‑Moreno will serve until the Company's 2027 Annual Meeting of Shareholders, at which time he is expected to be a nominee for election by shareholders.

Key Details

• Board size increased from 10 to 11 members, effective September 16, 2026.
• New director: Luis Fernandez‑Moreno; term until the 2027 Annual Meeting (expected to be nominated then).
• The Board has determined Mr. Fernandez‑Moreno is an independent director under SEC and NYSE rules.
• He has not been appointed to any Board committee yet and has no related‑party transactions requiring disclosure under Item 404(a) of Regulation S‑K.
• Compensation: will receive standard non‑management director pay and expense reimbursement per Company policy.
• Company issued a press release announcing the appointment (attached as Exhibit 99.1 to the 8‑K).

Why It Matters
This filing changes Celanese’s board composition and adds an independent director, which is a governance event investors watch because board makeup affects oversight and strategic direction. There are no disclosed related‑party transactions or special compensation arrangements tied to his election, and no immediate changes to management or financial results were reported in this 8‑K. Investors should note the director will stand for shareholder election at the 2027 annual meeting.