Westlake Corporation appointed Tommy E. Darby as Vice President and Chief Accounting Officer effective August 31, 2026. Mr. Darby succeeds Jeffrey A. Holy, who transitions to Vice President of Finance and Investor Relations. The new officer receives an annual salary of $440,000, a sign-on restricted stock unit award valued at $135,000 vesting in August 2029, and standard incentive plan targets. This is a routine executive appointment without material governance implications or contested votes. Westlake Corporation operates in the chemical manufacturing industry.