Plains All American Pipeline, L.P. (NYSE: PAA), today announced that effective January 29, 2012, its wholly owned subsidiary Plains Pipeline, L.P. ("Plains") has reduced nominations on its Basin Pipeline system due to a booster-pump failure at Big Spring, Texas. The impact to throughput capabilities is expected to be less than 20,000 barrels per day and is currently expected to extend at least through the month of February. Additionally, Basin's February nominations have exceeded capacity. As a result, the Basin system will be in proration for the month of February. Shippers will be notified of their prorated volumes within the next 24 hours.

Plains owns an approximate 87% undivided interest in and operates Basin Pipeline. The Basin Pipeline system is a 519-mile mainline crude oil system extending from the Permian Basin (in West Texas and Southern New Mexico) to Cushing, Okla.

Plains All American Pipeline, L.P. is a publicly-traded master limited partnership engaged in the transportation, storage, terminalling and marketing of crude oil, refined products and liquefied petroleum gas and other natural gas-related petroleum products. Through its general partner interest and majority equity ownership position in PAA Natural Gas Storage, L.P. (NYSE: PNG), PAA also develops and operates natural gas storage facilities. PAA is headquartered in Houston, Texas.

Plains All American Pipeline, L.P.
Roy I. Lamoreaux, 713/646-4222 ? 800/564-3036
Director, Investor Relations