Valero Energy Corporation to Announce Second Quarter 2011 Earnings Results on July 26, 201117:00 EDT Monday, June 27, 2011 SAN ANTONIO (Business Wire) -- Valero Energy Corporation (NYSE:VLO) today announced that it will host a conference call on July 26, 2011 at 10:00 a.m. CT to discuss second quarter earnings results, which will be released earlier that day, and provide an update on company operations. Persons interested in listening to the presentation live via the internet may log on to Valero's web site at www.valero.com. About Valero Valero Energy Corporation is an international manufacturer and marketer of transportation fuels, other petrochemical products and power. Its assets include 14 petroleum refineries with a combined throughput capacity of approximately 2.6 million barrels per day, 10 ethanol plants with a combined production capacity of 1.1 billion gallons per year, and a 50-megawatt wind farm. Valero is also one of the largest retail operators with approximately 5,800 retail and branded wholesale outlets in the United States, Canada and the Caribbean under the Valero, Diamond Shamrock, Shamrock, Ultramar and Beacon brands. Based in San Antonio, Valero is a Fortune 500 company with approximately 20,000 employees. Please visit www.valero.com for more information. Valero Energy Corporation, San AntonioInvestors, Ashley Smith, Vice President,Investor Relations: 210-345-2744orMedia, Bill Day, Executive Director, Corporate Communications:210-345-2928Website: http://www.valero.com/