Westlake adds secondary listing on NYSE Texas, keeps NYSE primary listing

• Westlake added a secondary listing for its common stock on NYSE Texas, the newly launched electronic equities exchange in Dallas.
• Primary listing stays on the New York Stock Exchange.
• Shares will trade on NYSE Texas under the same ticker symbol, WLK.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Westlake Corporation published the original content used to generate this news brief via GlobeNewswire (Ref. ID: 202608211122PRIMZONEFULLFEED9814220) on August 21, 2026, and is solely responsible for the information contained therein.