The Williams Companies said Alan S. Armstrong notified the company that, effective at the end of the day on March 23, 2026, he was resigning from the Board of Directors to accept an appointment by Oklahoma Governor Kevin Stitt to serve as a United States Senator representing the State of Oklahoma.

1. 01

   The Williams Companies said Alan S. Armstrong notified the company that, effective at the end of the day on March 23, 2026, he was resigning from the Board of Directors to accept an appointment by Oklahoma Governor Kevin Stitt to serve as a United States Senator representing the State of Oklahoma.

2. 02

   The company said that following Mr. Armstrong's departure, the Board elected Stephen W. Bergstrom, Independent Lead Director and former Chairman of the Board, to again be Chairman of the Board, and the Board's size will decrease from 12 to 11 directors.

3. 03

   The company said the Board's Compensation and Management Development Committee approved a modification to Mr. Armstrong's performance-based equity awards originally approved in 2024 and 2025, setting the numerator to determine the proration of performance-based units under these awards to 29 and 17 months, respectively, for a retirement prior to July 2026.

4. 04

   The company said that based upon a WMB stock price of $73.60 per share at market close on March 23, 2026 and performance at target, the estimated aggregate value associated with these vesting provision modifications is approximately $2.8 million.

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