Pacific Energy Partners, L.P. Declares Cash Distribution for Second Quarter 2006

Pacific Energy Partners, L.P. (NYSE:PPX) ("Pacific
Energy") declared a cash distribution of $0.5675 per unit for the
quarter ended June 30, 2006. The distribution remains unchanged from
the distribution for the quarter ended March 31, 2006 and is 10.7%
greater than the distribution for the quarter ended June 30, 2005. The
distribution is payable August 14, 2006 to unitholders of record as of
July 31, 2006. On an annualized basis, the distribution rate is $2.27
per unit.

   About Pacific Energy:

   Pacific Energy Partners, L.P. is a master limited partnership
headquartered in Long Beach, California. Pacific Energy is engaged
principally in the business of gathering, transporting, storing and
distributing crude oil, refined products and other related products.
Pacific Energy generates revenues by transporting such commodities on
its pipelines, by leasing capacity in its storage facilities and by
providing other terminaling services. Pacific Energy also buys and
sells crude oil, activities that are generally complementary to its
crude oil operations. Pacific Energy conducts its business through two
business units, the West Coast Business Unit, which includes
activities in California and the Philadelphia, PA area, and the Rocky
Mountain Business Unit, which includes activities in five Rocky
Mountain states and Alberta, Canada.

   Investor Notice

   Pacific Energy and Plains All American Pipeline, L.P. ("Plains")
have filed a joint proxy statement/prospectus and other documents with
the Securities and Exchange Commission with respect to a proposed
merger of Pacific Energy with and into Plains. Upon being declared
effective by the Securities and Exchange Commission, a definitive
joint proxy statement/prospectus will be sent to security holders of
Pacific Energy and Plains seeking their approval of the merger and
related transactions. Investors and security holders are urged to read
carefully the joint proxy statement/prospectus because it contains
important information, including detailed risk factors, regarding
Pacific Energy, Plains and the merger. Investors and security holders
may obtain a free copy of the definitive joint proxy
statement/prospectus, when it becomes available, and other documents
containing information about Pacific Energy and Plains, without
charge, at the SEC's web site at www.sec.gov. Copies of the definitive
joint proxy statement/prospectus, when it becomes available, and the
SEC filings that are incorporated by reference in the joint proxy
statement/prospectus may also be obtained free of charge by directing
a request to Pacific Energy or Plains.
   Pacific Energy or Plains and the officers and directors of the
respective general partners of Pacific Energy or Plains may be deemed
to be participants in the solicitation of proxies from their security
holders in connection with the proposed transaction. Information about
these persons can be found in Pacific Energy's or Plains' respective
Annual Reports on Form 10-K filed with the SEC, and additional
information about such persons may be obtained from the joint proxy
statement/prospectus.

   Cautionary Statement Regarding Forward-Looking Statements

   This news release may include "forward-looking" statements within
the meaning of Section 27A of the Securities Act of 1933, as amended,
and Section 21E of the Securities Exchange Act of 1934, as amended.
All statements other than statements of historical fact included or
incorporated herein may constitute forward-looking statements.
Although Pacific Energy believes that the forward-looking statements
are reasonable, it can give no assurance that such expectations will
prove to be correct. The forward-looking statements involve risks and
uncertainties that may affect Pacific Energy's operations and
financial performance. Among the factors that could cause results to
differ materially are those risks discussed in Pacific Energy's
filings with the Securities and Exchange Commission, including our
Annual Report on Form 10-K for the year ended December 31, 2005
including the definitive joint proxy statement/prospectus referred to
in this press release.
   For additional information about the partnership, please visit
www.PacificEnergy.com.