Westlake Growth & Investment Strategy

Strategic Actions Enhance Underlying Market Growth 2021 EBITDA $3.7B Product Portfolio Well Positioned For Growth Across Several Channels 1986-2021: Sales CAGR 16% & 10-Year EBITDA CAGR of ~19% Industrial & Manufacturing Global GDP Multiplier 1.0x Global presence in Chlor-Alkali serving industrial and manufacturing customers Specialty Products & Capacity Additions Global GDP Multiplier >1.5x Advantaged markets such as specialty low density PE and specialty PVC tied to consumer demand levered by lower-risk, higher returning debottlenecks and expansions Addition of Epoxies Global GDP Multiplier >1.5x Expands exposure in electrification, EV light weighting, wind power and renewables FUTURE EBITDA Housing Growth & Infrastructure Investment Global GDP Multiplier >1.0x Market leading value-added brands in the growing housing market with favorable demographics coupled with the U.S. Infrastructure Bill provides long-term demand 103 Westlake

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