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WESTLAKE CORP

For the period ended May 14, 2026. Filed Apr 2, 2026.

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About this filing

What shareholders are asked to vote on at a company's meeting. It is where to find what directors and top executives are paid, and who owns the most shares.

May 14, 2026 · Filed Apr 2, 2026

WLK$63.49-4.2%Stored close · as of Nov 6, 2026
See the whole filing, with its images and exhibits
Contents

THIS PROXY CARD IS VALID ONLY WHEN SIGNED AND DATED

WESTLAKE CORPORATION · To withhold authority to vote for any individual nominee(s), mark “For All Except” and write the number(s) of the nominee(s) on the line below.
ForWithholdFor All
The Board of Directors recommends you vote FOR the following: · All · All · Except
☐☐☐
1.Election of Class I Directors:
Nominees:
01)Catherine T. Chao
02)Roger A. Cregg
03)Jean-Marc Gilson
04)Kimberly S. Lubel
05)Jeffrey W. Sheets
The Board of Directors recommends you vote FOR proposals 2 and 3:ForAgainstAbstain
2. An advisory vote to approve named executive officer compensation.☐☐☐
3. To ratify the appointment of PricewaterhouseCoopers LLP to serve as our independent registered public accounting firm for the fiscal year ending December 31, 2026.☐☐☐
NOTE: To act upon any other matters that may properly come before the Annual Meeting.
Please sign exactly as your name(s) appear(s) hereon. When signing as attorney, executor, administrator, or other fiduciary, please give full title as such. Joint owners should each sign personally. All holders must sign. If a corporation or partnership, please sign in full corporate or partnership name by authorized officer.
Signature [PLEASE SIGN WITHIN BOX] DateSignature (Joint Owners) Date
ContentsView on SEC.gov

The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.