Valero Producing Company

Vice President and Treasurer at Autotronic Systems, Inc.
Treasurer at Diamond Shamrock Leasing, Inc.
Vice President and Treasurer at Diamond Shamrock Stations, Inc.
Vice President and Treasurer at Integrated Product Systems, Inc.
Vice President and Treasurer at National Convenience Stores Incorporated
Vice President and Treasurer at Paulsboro Refining Company LLC
Director, Vice President and Treasurer at Port Arthur Finance Corp.
Vice President and Treasurer at Sabine River Holding Corp.
Vice President and Treasurer at Schepps Food Stores, Inc.
Vice President and Treasurer at Sigmor Corporation
Vice President and Treasurer at Sigmor Number 103, Inc.
Vice President and Treasurer at Sigmor Number 105, Inc.
Vice President and Treasurer at Sigmor Number 119, Inc.
Treasurer at Sigmor Number 140, Inc.
Treasurer at Sigmor Number 156, Inc.
Vice President and Treasurer at Sigmor Number 170 Inc.
Vice President and Treasurer at Sigmor Number 178, Inc.
Treasurer at Sigmor Number 181, Inc.
Vice President and Treasurer at Sigmor Number 196, Inc.
Treasurer at Sigmor Number 206, Inc.
Treasurer at Sigmor Number 232, Inc.
Vice President and Treasurer at Sigmor Number 238, Inc.
Vice President and Treasurer at Sigmor Number 259, Inc.
Vice President and Treasurer at Sigmor Number 43, Inc.
Vice President and Treasurer at Sigmor Number 5, Inc.
Treasurer at Sigmor Number 605, Inc.
Treasurer at Sigmor Number 606, Inc.
Vice President and Treasurer at Sigmor Number 79, Inc.
Vice President and Treasurer at Sigmor Number 80, Inc.
Vice President and Treasurer at Stop 'n Go Markets of Texas, Inc.
Treasurer at Texas Super Duper Markets, Inc.
Treasurer and Vice President at The Premcor Refining Group Inc.
Vice President and Treasurer at The Shamrock Pipe Line Corporation
Vice President and Treasurer at Toc-Ds Company
Treasurer at Tpi Petroleum, Inc.
Treasurer at Tpi Pipeline Corporation
Vice President and Treasurer at Ultramar D.S., Inc.
Director , Treasurer and Vice President at Valero Capital Corporation
Treasurer at Valero Corporate Services Company
Vice President and Treasurer at Valero Diamond Metro, Inc.
Vice President and Treasurer at Valero Energy Corporation
Vice President and Treasurer at Valero Javelina, Inc.
Treasurer and Vice President at Valero Marketing and Supply Company
Vice President and Treasurer at Valero Refining and Marketing Company
Vice President and Treasurer at Valero Refining Company-California
Vice President and Treasurer at Valero Retail Holdings, Inc.
Vice President and Treasurer at Valero Security Systems, Inc.
Vice President at Valero Services, Inc.
Vice President and Treasurer at Valero Terminaling and Distribution Company