UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 4, 2004 ATLAS PIPELINE PARTNERS, L.P. (Exact name of registrant as specified in its chapter) DELAWARE 1-14998 23-3011077 -------- ------- ---------- (State or other jurisdiction (Commission (IRS Employer of incorporation) File Number) Identification No.) 311 ROUSER ROAD, MOON TOWNSHIP, PA 15108 (Address of principal executive offices) (Zip Code) Registrant's telephone number, including area code: 412-262-2830 ---------------------------------------------------------- (Former name or former address, if changed since last report) Item 5. Other Events. As described in our Form 10-Q filed with the Commission for the quarter ended March 31, 2004, on May 5, 2004 SEMCO Energy, Inc. ("SEMCO") filed a petition with the Regulatory Commission of Alaska ("RCA") seeking clarification (or alternatively reconsideration) of the order issued by the RCA on April 20, 2004 (Order U-03-91(4)) in connection with the regulatory approvals sought by us and SEMCO in connection with the proposed sale of Alaska Pipeline Company to us. In response, on June 4, 2004, the RCA issued Order U-03-91(5) entitled "Order Granting Reconsideration, Vacating Order U-03-91(4), Rejecting Stipulation, Approving Transfer of Control, Allowing Parties to Request Further Proceedings, and Finding Motions For Expedited Consideration Moot". Order U-03-91(5) is attached hereto as Exhibit 99. Item 7 (c) Exhibits. 99 Order U-03-91(5) issued by the Regulatory Commission of Alaska on June 4, 2004. 2 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. Atlas Pipeline Partners, L.P. By: Atlas Pipeline Partners, GP LLC Its General Partner Dated: June 9, 2004 By: /s/ Steven J. Kessler ---------------------------------------------- Steven J. Kessler Chief Financial Officer 3 EXHIBIT INDEX Form 8-K June 4, 2004 Filed -------------------------------- Exhibit No. Description Herewith By Reference ------------ ----------------------------------------- ------------- -------------- 99 Order U-03-91(5) issued by the Regulatory x Commission of Alaska on June 4, 2004. 4