November 2, 2021 Third Quarter 2021 Earnings Presentation August 4, 2021 Jefferies Virtual Industrials Conference August 3, 2021 Second Quarter 2021 Earnings Presentation May 18, 2021 Westlake IR Presentation for Q1 2021 May 6, 2021 2021 Virtual Wells Fargo Industrials Conference May 4, 2021 First Quarter 2021 Earnings Presentation March 23, 2021 Fermium ESG Conference March 10, 2021 Westlake IR Presentation for Q4 2020 February 23, 2021 Fourth Quarter 2020 Earnings Presentation January 12, 2021 Westlake IR Presentation for Q3 2020