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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 8-K
CURRENT REPORT
Pursuant to Section 13 or 15(d) of
the Securities Exchange Act of 1934
Date of Report (date of earliest event reported): May 4, 2021
Westlake Chemical Corporation
(Exact name of registrant as specified in its charter)

Delaware |  | 001-32260 |  | 76-0346924
(State or other jurisdiction of incorporation) |  | (Commission File Number) |  | (I.R.S. Employer Identification No.)

2801 Post Oak Boulevard, |  | Suite 600 |  |
Houston, |  | Texas |  | 77056
(Address of principal executive offices) |  |  |  | (Zip Code)

Registrant's telephone number, including area code: (713) 960-9111
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ | Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
☐ | Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
☐ | Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
☐ | Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class | Trading Symbol(s) | Name of each exchange on which registered
Common Stock, $0.01 par value | WLK | The New York Stock Exchange
1.625% Senior Notes due 2029 | WLK29 | The New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).
Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ◻

Item 2.02. Results of Operations and Financial Condition.
On May 4, 2021, Westlake Chemical Corporation (the "Company") issued a press release announcing its 2021 first quarter results. A copy of the press release is furnished with this Current Report as Exhibit 99.1.
The information furnished pursuant to this Current Report, including Exhibit 99.1, shall not be deemed to be "filed" for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended, and will not be incorporated by reference into any registration statement filed by Westlake Chemical Corporation under the Securities Act of 1933, as amended, unless specifically identified as being incorporated therein.
Item 7.01. Regulation FD Disclosure.
The Company is holding a conference call on May 4, 2021 to discuss its 2021 first quarter results. Information about the call can be found in the press release furnished with this Current Report as Exhibit 99.1. In addition, the Company made available an investor presentation regarding its 2021 first quarter results, which is furnished with this Current Report as Exhibit 99.2.
Item 9.01. Financial Statements and Exhibits.
(d) Exhibits
The following exhibits are furnished herewith:
99.1 Press release issued on May 4, 2021.
99.2 Investor Presentation.
104 The cover page from this Current Report on Form 8-K, formatted in Inline XBRL.

SIGNATURE
Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

|  |  |  | WESTLAKE CHEMICAL CORPORATION
Date: | May 4, 2021 |  | By: | /S/ ALBERT CHAO
|  |  |  | Albert Chao President and Chief Executive Officer