Tranche Update on Valero Energy Corporation's Equity Buyback Plan announced on February 23, 2023.

Valero Energy Corporation specializes in refining and distributing petroleum products. Net sales break down by activity as follows: - refining and wholesale distribution of oil products (93.7%): distilled products (46.4% of sales), gasoline (43.2%) and other (10.4%; primarily petrochemical products, diesel, petroleum coke and asphalt). At the end of 2020, the group had 15 petroleum refineries located in the United States (13), Canada and the United Kingdom; - distribution of ethanol (4.6%); - production of renewable diesel (1.6%). Net sales break down geographically as follows: the United States (69.6%), theUnited Kingdom and Ireland (14.3%), Canada (6.6%) and other (9.5%).