PLAINS ALL AMERICAN PIPELINE, L.P. 6,900,000 Common Units Representing Limited Partner Interests UNDERWRITING AGREEMENTUnderwriting Agreement • March 10th, 2011 • Plains All American Pipeline Lp • Pipe lines (no natural gas) • New York
Contract Type FiledMarch 10th, 2011 Company Industry JurisdictionCitigroup Global Markets Inc. Merrill Lynch, Pierce, Fenner & Smith Incorporated J.P. Morgan Securities LLC Morgan Stanley & Co. Incorporated UBS Securities LLC Wells Fargo Securities, LLC