Renewable Diesel Driving Low Carbon Results

Investing to Upgrade Product Value Houston and St. Charles Alkylation Units • • • Octane demand expected to grow due to Tier 3 sulfur regulations and CAFE standards Abundant, low cost North American NGL supply provides advantage for Gulf Coast capacity additions Both units upgrade low value isobutane and amylenes into high value alkylate High octane, low vapor pressure component enables the blending of incremental butane and low octane naphtha 13 MBPD Capacity at Houston refinery started up in 2019 17 MBPD Capacity at St. Charles refinery started up in the fourth quarter of 2020 INVESTOR PRESENTATION | JUNE 2021 Houston Alkylation Unit Valero 37

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