PAA Announces Public Offering of Senior Notes

Plains All American Pipeline, L.P. (NYSE: PAA) today announced that it has commenced a public offering of two series of senior notes (the "Notes"). The Partnership intends to use the net proceeds from this offering to repay outstanding borrowings under its commercial paper program (a portion of which was used to fund the BridgeTex acquisition completed on November 14, 2014) and for general partnership purposes. Amounts repaid under the Partnership’s commercial paper program may be reborrowed, as necessary, to fund its ongoing expansion capital program or future acquisitions, or for general partnership purposes.

Barclays Capital Inc.; SunTrust Robinson Humphrey, Inc.; and Wells Fargo Securities, LLC will act as joint book-running managers of the offering.

The Notes will be offered and sold pursuant to an effective shelf registration statement on Form S-3 previously filed with the Securities and Exchange Commission and only by means of a prospectus supplement and accompanying base prospectus. When available, copies of the prospectus supplement and accompanying base prospectus relating to the offering may be obtained from the underwriters as follows:

Barclays Capital Inc.c/o Broadridge Financial Solutions1155 Long Island AvenueEdgewood, NY 11717Telephone: [phone]Email: [e-mail]

SunTrust Robinson Humphrey, Inc.3333 Peachtree Road, 11th FloorAtlanta, GA 30326Telephone: [phone]

Wells Fargo Securities, LLC608 2nd AvenueSouth Minneapolis, MN 55402Attention: WFS Customer ServiceTelephone: [phone]Email: [e-mail]

This news release does not constitute an offer to sell or a solicitation of an offer to buy the securities described herein, nor shall there be any sale of these securities in any state or jurisdiction in which such an offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction.

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 3.9 million barrels per day of crude oil and NGL on its pipelines. PAA is headquartered in Houston, Texas.

Investors:Plains All American Pipeline, L.P.Ryan Smith, [phone]Director, Investor Relations