Valero Energy Corporation to Participate in Barclays Capital 2011 CEO Energy/Power Conference

Valero Energy Corporation (NYSE: VLO) today announced that Bill Klesse,
Chairman of the Board and Chief Executive Officer of Valero Energy
Corporation, will present at the Barclays CEO Energy/Power Conference on
Thursday, September 8 at 8:35 a.m. ET.

A live audio webcast of Mr. Klesse′s remarks, along with the associated
slides, will be accessible via Valero′s website at www.valero.com.
A replay of the presentation will be available on Valero′s website.

Valero Energy Corporation, through its subsidiaries, is an international
manufacturer and marketer of transportation fuels, other petrochemical
products and power. Valero assets include 15 petroleum refineries with a
combined throughput capacity of approximately 2.9 million barrels per
day, 10 ethanol plants with a combined production capacity of 1.2
billion gallons per year, and a 50-megawatt wind farm. Valero is also
one of the largest retail operators with approximately 6,800 retail and
branded wholesale outlets under the Valero, Diamond Shamrock, Shamrock
and Beacon brands in the United States and the Caribbean; Ultramar in
Canada; and Texaco in the United Kingdom and Ireland. 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 Antonio

Investors, Ashley Smith,
Vice President,

Investor Relations: 210-345-2744

or

Media,
Bill Day, Executive Director, Media Relations:

210-345-2928

Website:
http://www.valero.com/