Westlake Growth & Investment Strategy

Track Record Demonstrates Commitment to Stronger Results Sales 10-year History of Significant Improvement Earnings Per Share EBITDA Free Cash Flow Per Share 91 $3.6B ~14% CAGR $3.7B $11.8B -21% CAGR $15.58 -19% CAGR -26% CAGR $13.57 $2.88 2012 2021 2012 • $0.7B $1.65 2021 2012 EBITDA 20.9% Margin 2021 31.4% 2012 2021 Focused Growth • Chain Integration Higher Sales, Margins and Returns Attributable to: • Asset Quality • Operating Rate Advantages · • Leading Market Position with Specialty Focus Globally Advantaged Low-Cost Feedstock Position Proven Compounding of Growth and Profitability Westlake

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