# EDGAR Filing Document

**Accession Number:** 0001262823
**File Stem:** 0001193125-23-087094
**Filing Date:** 2023-3
**Character Count:** 9798
**Document Hash:** 26c528a9df086a1af71da279bea47cbe
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-23-087094.hdr.sgml**: 20230331

**ACCESSION NUMBER**: 0001193125-23-087094

**CONFORMED SUBMISSION TYPE**: DEFA14A

**PUBLIC DOCUMENT COUNT**: 9

**FILED AS OF DATE**: 20230331

**DATE AS OF CHANGE**: 20230331

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** WESTLAKE CORP
- **CENTRAL INDEX KEY:** 0001262823
- **STANDARD INDUSTRIAL CLASSIFICATION:** INDUSTRIAL ORGANIC CHEMICALS [2860]
- **IRS NUMBER:** 760346924
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** DEFA14A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-32260
- **FILM NUMBER:** 23783957

**BUSINESS ADDRESS:**
- **STREET 1:** 2801 POST OAK BLVD
- **STREET 2:** SUITE 600
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77056
- **BUSINESS PHONE:** 713-960-9111

**MAIL ADDRESS:**
- **STREET 1:** 2801 POST OAK BLVD
- **STREET 2:** SUITE 600
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77056

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** WESTLAKE CHEMICAL CORP
- **DATE OF NAME CHANGE:** 20030908

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**UNITED STATES** 

**SECURITIES AND EXCHANGE COMMISSION** 

**Washington, D.C. 20549** 

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**SCHEDULE 14A** 

**Proxy Statement Pursuant to Section 14(a) of the** 

**Securities Exchange Act of 1934** 

**(Amendment No.)** 

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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

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| | |
|:---|:---|
| <br> ![LOGO](g446880dsp4a.jpg) <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; WESTLAKE CORPORATION<br> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ATTN: GENERAL COUNSEL<br> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 2801 POST OAK BLVD, SUITE 600<br> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; HOUSTON, TX 77056<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; V00259-P86209<br>| ![LOGO](g446880dsp4.jpg) |

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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 material for the stockholder meeting to be held on May 11, 2023.**

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 27, 2023. 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.

![LOGO](g446880dsp4b.jpg)

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| | | |
|:---|:---|:---|
| &nbsp;&nbsp;**Smartphone users** | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ![LOGO](g446880dsp1d.jpg)  | **Vote in Person at the Meeting\***<br> May 11, 2023<br> 9:00 AM CDT |
| &nbsp;&nbsp;Point your camera here and | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ![LOGO](g446880dsp1d.jpg)  | **Vote in Person at the Meeting\***<br> May 11, 2023<br> 9:00 AM CDT |
| &nbsp;&nbsp;vote without entering a | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ![LOGO](g446880dsp1d.jpg)  | **Vote in Person at the Meeting\***<br> May 11, 2023<br> 9:00 AM CDT |
| &nbsp;&nbsp;control number | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ![LOGO](g446880dsp1d.jpg)  | **Vote in Person at the Meeting\***<br> May 11, 2023<br> 9:00 AM CDT |
| &nbsp;&nbsp;&nbsp; ![LOGO](g446880dsp1c.jpg) | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Westlake Center<br> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2801 Post Oak Boulevard<br> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Houston, TX 77056<br> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;USA | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Westlake Center<br> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2801 Post Oak Boulevard<br> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Houston, TX 77056<br> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;USA |

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\*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.

V1.1

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&nbsp;&nbsp;&nbsp;&nbsp;**Vote at www.ProxyVote.com** 

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&nbsp;&nbsp;&nbsp;&nbsp;**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.

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| | | | |
|:---|:---|:---|:---|
| &nbsp;&nbsp;&nbsp;&nbsp;**Voting Items** | &nbsp;&nbsp;&nbsp;&nbsp;**Voting Items** | **Board Recommends** | **Board Recommends** |
| &nbsp;&nbsp;&nbsp;&nbsp;1a. | Election of Class I Directors: |  |  |
|  | **Nominees:** |  |  |
|  | 01) Catherine T. Chao |  |  |
|  | 02) Marius A. Haas | ![LOGO](g446880dsp5b.jpg)  | **For** |
|  | 03) Kimberly S. Lubel | ![LOGO](g446880dsp5b.jpg)  | **For** |
|  | 04) Jeffrey W. Sheets |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;1b. | Election of Class III Director: |  |  |
|  | **Nominee:** |  |  |
|  | 01) Carolyn C. Sabat |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;2. | An advisory vote to approve named executive officer compensation. | ![LOGO](g446880dsp5b.jpg) | **For** |
| &nbsp;&nbsp;&nbsp;&nbsp;3. | An advisory vote on the frequency of the advisory vote on named executive officer compensation. | ![LOGO](g446880dsp5.jpg) | **Years** |
| &nbsp;&nbsp;&nbsp;&nbsp;4. | To approve a proposed amendment to the Company's Amended and Restated Certificate of lncorporation to provide for exculpation of certain officers of the Company from personal liability under certain circumstances as allowed by Delaware law. | ![LOGO](g446880dsp5b.jpg) | **For** |
| &nbsp;&nbsp;&nbsp;&nbsp;5. | To ratify the appointment of PricewaterhouseCoopers LLP to serve as our independent registered public accounting firm for the fiscal year ending December 31, 2023. | ![LOGO](g446880dsp5b.jpg) | **For** |
| &nbsp;&nbsp;&nbsp;&nbsp;6. | To amend and restate the 2013 Omnibus Incentive Plan. | ![LOGO](g446880dsp5b.jpg) | **For** |
| &nbsp;&nbsp;&nbsp;&nbsp;7. | A stockholder proposal regarding the Company's greenhouse gas emission reduction targets. | ![LOGO](g446880dsp5a.jpg) | **Against** |
| &nbsp;&nbsp;&nbsp;&nbsp;8. | A stockholder proposal regarding the preparation of a report on reducing plastic pollution of the oceans. | ![LOGO](g446880dsp5a.jpg) | **Against** |
| &nbsp;&nbsp; **NOTE:** To act upon any other matters that may properly come before the Annual Meeting. | &nbsp;&nbsp; **NOTE:** To act upon any other matters that may properly come before the Annual Meeting. | &nbsp;&nbsp; **NOTE:** To act upon any other matters that may properly come before the Annual Meeting. | &nbsp;&nbsp; **NOTE:** To act upon any other matters that may properly come before the Annual Meeting. |

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<br> Prefer to receive an email instead? While voting on www.ProxyVote.com, be sure to click "Sign up for E-delivery".<br>

V00260-P86209