CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We hereby consent to the incorporation by reference in the Registration Statements on Form S-3 (No. 333-234573) and Form S‑8 (No. 333-118205) of Westlake Chemical Corporation of our report dated February 19, 2020 relating to the financial statements and the effectiveness of internal control over financial reporting, which appears in this Form 10‑K.
/s/ PricewaterhouseCoopers LLP
February 19, 2020