Diamond Pipeline LLC is a joint venture between Houston, Texas-based Plains All American Pipeline and San Antonio, Texas-based Valero.

Plains All American Pipeline, L.P. is a publicly traded master limited partnership that owns and operates midstream energy infrastructure and provides logistics services for crude oil, NGLs and natural gas. PAA owns an extensive network of pipeline transportation, terminalling, storage and gathering assets in key crude oil and NGL producing basins and transportation corridors and at major market hubs in the United States and Canada. On average, PAA handles more than 5 million barrels per day of crude oil and NGL in its Transportation segment. PAA is headquartered in Houston, Texas. More information is available at www.plainsallamerican.com.

Valero Energy Corporation, through its subsidiaries, is an international manufacturer and marketer of transportation fuels and other petrochemical products. Valero, a Fortune 50 company based in San Antonio, Texas, with approximately 10,000 employees, is an independent petroleum refiner and ethanol producer, and its assets include 15 petroleum refineries with a combined throughput capacity of approximately 3.1 million barrels per day and 11 ethanol plants with a combined production capacity of 1.45 billion gallons per year. The petroleum refineries are located in the United States (U.S.), Canada and the United Kingdom (U.K.), and the ethanol plants are located in the Mid-Continent region of the U.S. In addition, Valero owns the 2 percent general partner interest and a majority limited partner interest in Valero Energy Partners LP, a midstream master limited partnership. Valero sells its products in both the wholesale rack and bulk markets, and approximately 7,400 outlets carry Valero’s brand names in the U.S., Canada, the U.K. and Ireland. Please visit www.valero.com for more information.