PLAINS ALL AMERICAN PIPELINE, L.P. 5,000,000 Common Units Representing Limited Partner Interests UNDERWRITING AGREEMENTUnderwriting Agreement • March 18th, 2009 • Plains All American Pipeline Lp • Pipe lines (no natural gas) • New York
Contract Type FiledMarch 18th, 2009 Company Industry JurisdictionUBS Securities LLC Citigroup Global Markets Inc. J.P. Morgan Securities Inc. Merrill Lynch, Pierce, Fenner & Smith Incorporated Wachovia Capital Markets, LLC As Representatives of the Several Underwriters named in Schedule I attached hereto