Plains All American Pipeline, L.P. Announces Open Season for Proposed Cushing to Longview Crude Oil Pipeline

Plains All American Pipeline, L.P. (NYSE: PAA) announced today that it is conducting an open season for committed capacity on a proposed new crude oil pipeline from Cushing, Oklahoma to Longview, Texas. The open season process provides an opportunity for potential shippers to offer long-term volume commitments for service from Cushing to Longview in exchange for a discounted rate.

The proposed pipeline would originate at the Plains Cushing, Oklahoma Terminal and provide an initial capacity of approximately 120,000 barrels per day of light sweet crude to Longview, Texas.

By submitting a binding proposal, bidders are offering to enter into a long-term throughput and deficiency agreement for pipeline capacity. Interested parties should contact Laura Williams, Director Pipeline Commercial Operations at 713-646-4245. The open season begins on June 23, 2015 and will end at 5 p.m. CT on July 23, 2015.

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, natural gas liquids ("NGL"), natural gas and refined products. 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 over 4.2 million barrels per day of crude oil and NGL on its pipelines. PAA is headquartered in Houston, Texas.

Forward Looking Statements

Certain matters discussed in this release are forward-looking statements that involve risks and uncertainties that could cause actual results or outcomes to differ materially from results or outcomes anticipated in the forward-looking statements. These risks and uncertainties include, among other things, shortages, cost increases or delays in receipt of supplies, materials or labor; inability to obtain, delays in the receipt of, or other issues associated with necessary licenses, permits, approvals, consents, rights of way or other governmental or third party requirements; the impact of current and future laws, rulings, orders, governmental regulations, accounting standards and statements and related interpretations; weather interference with business operations or project construction, including the impact of extreme weather events or conditions; environmental liabilities, issues or events that result in construction delays or otherwise impact targeted in-service dates; interruptions in service on third-party pipelines or facilities; general economic, market or business conditions and the amplification of other risks caused by volatile financial markets, capital constraints and pervasive liquidity concerns; and other factors and uncertainties inherent in the transportation, storage, terminalling and marketing of crude oil and refined products as discussed in PAA's filings with the Securities and Exchange Commission.

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Plains All American Pipeline, L.P.Investors:Ryan Smith, [phone]Director, Investor RelationsorMedia:Brad Leone, [phone]Director, Communications