UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED) June 10, 2003 PACIFIC ENERGY PARTNERS, L.P. (Exact name of registrant as specified in its charter) Delaware 313345 68-0490580 (State or other jurisdiction of (Commission (IRS Employer incorporation or organization) File Number) Identification No.) 5900 Cherry Avenue Long Beach, CA 90805 (Address of principal executive office) (562) 728-2800 (Registrant's telephone number, including area code) ITEM 7. FINANCIAL STATEMENTS AND EXHIBITS. (c) Exhibits. 99.1 Pacific Energy Partners, L.P. press release dated June 10, 2003. ITEM 9 AND 12. REGULATION FD DISCLOSURE AND DISCLOSURE OF RESULTS OF OPERATIONS AND FINANCIAL CONDITION. Attached as Exhibit 99.1 is a copy of a press release, dated June 10, 2003, announcing the resolution of a rate complaint with Sinclair Oil Corporation. In accordance with General Instruction B.2 of Form 8-K and Securities and Exchange Commission Release No. 33-8176, the above information is being furnished under Items 9 and 12 of Form 8-K and is not deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, is not subject to the liabilities of that section and is not deemed incorporated by reference in any filing under the Securities Act of 1933, as amended. SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized. Pacific Energy Partners, L.P. Dated: June 10, 2003 by: /s/ Gerald A. Tywoniuk --------------------------- Senior Vice President, Chief Financial Officer and Treasurer Pacific Energy GP, Inc., General Partner of Pacific Energy Partners, L.P. EXHIBIT INDEX Exhibit 99.1 -- Pacific Energy Partners, L.P. Press Release dated June 10, 2003