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 28, 2002 PHILLIPS PETROLEUM COMPANY (Exact name of registrant as specified in its charter) Delaware 1-720 73-0400345 (State or other (Commission (IRS Employer jurisdiction of File Number) Identification No.) incorporation) Phillips Building, Bartlesville, Oklahoma 74004 (Address of principal executive offices) (Zip Code) Registrant's telephone number, including area code: 918-661-6600 Item 7. Financial Statements and Exhibits. Exhibit 99 Phillips Petroleum Company press release dated June 28, 2002. Item 9. Regulation FD Disclosure. On June 28, 2002, Phillips Petroleum Company, a Delaware corporation (Phillips or the company), announced information about the commerciality of the Kashagan field in the north Caspian Sea offshore Kazakhstan. The press release issued by Phillips concerning the commerciality of the Kashagan field is attached hereto as Exhibit 99 and incorporated herein by reference. 1 SIGNATURE 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 hereunto duly authorized. PHILLIPS PETROLEUM COMPANY /s/ Rand C. Berney June 28, 2002 ----------------------------- Rand C. Berney Vice President and Controller 2