Westlake Corp Files Definitive Proxy Statement

Ticker: WLK · Form: DEFA14A · Filed: Apr 2, 2026 · CIK: 0001262823

Westlake Corp DEFA14A Filing Summary
FieldDetail
CompanyWestlake Corp (WLK)
Form TypeDEFA14A
Filed DateApr 2, 2026
Risk Levellow
Pages2
Reading Time2 min
Sentimentneutral

Sentiment: neutral

Topics: proxy-filing, corporate-governance

TL;DR

WESTLAKE CORP FILED PROXY MATERIALS - VOTE YOUR SHARES!

AI Summary

Westlake Corp filed a Definitive Proxy Statement (DEFA14A) on April 2, 2026, related to soliciting materials for shareholder matters. The filing includes various documents and graphics, with the primary DEFA14A document being 9953 KB in size. The company's principal executive offices are located in Houston, Texas.

Why It Matters

This filing provides shareholders with important information regarding matters to be voted on at upcoming meetings, influencing corporate governance and strategic decisions.

Risk Assessment

Risk Level: low — This is a standard proxy filing, not indicating any immediate financial risk or unusual corporate activity.

Key Numbers

  • 9953 KB — DEFA14A Document Size (Indicates the volume of information provided to shareholders.)

Key Players & Entities

  • WESTLAKE CORP (company) — Filer
  • 0001262823 (company) — CIK Number for Westlake Corp
  • 2026-04-02 (date) — Filing Date

FAQ

What type of filing is this DEFA14A?

This is an Additional definitive proxy soliciting materials and Rule 14(a)(12) material.

When was this filing accepted by the SEC?

The filing was accepted on 2026-04-02 at 07:35:18.

What is the CIK number for Westlake Corp?

The CIK number for Westlake Corp is 0001262823.

Where are Westlake Corp's principal executive offices located?

Westlake Corp's principal executive offices are located at 2801 POST OAK BLVD SUITE 600 HOUSTON TX 77056.

What is the SIC code for Westlake Corp?

The SIC code for Westlake Corp is 2860, which corresponds to Industrial Organic Chemicals.

Filing Stats: 511 words · 2 min read · ~2 pages · Grade level 9.5 · Accepted 2026-04-02 07:35:18

Filing Documents

From the Filing

DEFA14A Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Securities Exchange Act of 1934 (Amendment No.) Filed by the Registrant Filed by a Party other than the Registrant Check the appropriate box: Preliminary Proxy Statement Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) Definitive Proxy Statement Definitive Additional Materials Soliciting Material under 240.14a-12 WESTLAKE CORPORATION (Name of Registrant as Specified In Its Charter) (Name of Person(s) Filing Proxy Statement, if other than the Registrant) Payment of Filing Fee (Check all boxes that apply): No fee required Fee paid previously with preliminary materials Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11 Table of Contents Your Vote Counts! WESTLAKE CORPORATION 2026 Annual Meeting Vote by May 13, 2026 11:59 PM ET WESTLAKE CORPORATION ATTN: GENERAL COUNSEL 2801 POST OAK BLVD, SUITE 600 HOUSTON, TX 77056 V87486-P47409 You invested in WESTLAKE CORPORATION and it's time to vote! You have the right to vote on proposals being presented at the Annual Meeting. This is an important notice regarding the availability of proxy materials for the stockholder meeting to be held on May 14, 2026. Get informed before you vote View the Notice and Proxy Statement and Annual Report online OR you can receive a free paper or email copy of the material(s) by requesting prior to April 30, 2026. If you would like to request a copy of the material(s) for this and/or future stockholder meetings, you may (1) visit www.ProxyVote.com, (2) call 1-800-579-1639 or (3) send an email to sendmaterial@proxyvote.com. If sending an email, please include your control number (indicated below) in the subject line. Unless requested, you will not otherwise receive a paper or email copy. For complete information and to vote, visit www.ProxyVote.com Control # Smartphone users Vote in Person at the Meeting* Point your camera here and May 14, 2026 9:00 AM CDT vote without entering a control number Westlake Center 2801 Post Oak Boulevard Houston, TX 77056 USA *Please check the meeting materials for any special requirements for meeting attendance. At the meeting, you will need to request a ballot to vote these shares. Table of Contents Vote at www.ProxyVote.com THIS IS NOT A VOTABLE BALLOT This is an overview of the proposals being presented at the upcoming stockholder meeting. Please follow the instructions on the reverse side to vote these important matters. Board Voting Items Recommends 1. Election of Class I Directors: Nominees: 01) Catherine T. Chao For 02) Roger A. Cregg 03) Jean-Marc Gilson 04) Kimberly S. Lubel 05) Jeffrey W. Sheets 2. An advisory vote to approve named executive officer compensation. For 3. To ratify the appointment of PricewaterhouseCoopers LLP to serve as our independent registered public accounting For firm for the V87487-P47409

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