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): May 27, 2004 PAR PHARMACEUTICAL COMPANIES, INC. (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE FILE NUMBER 1-10827 22-3122182 (STATE OR OTHER JURISDICTION OF (COMMISSION FILE NUMBER) (I.R.S. EMPLOYER INCORPORATION OR ORGANIZATION) IDENTIFICATION NO.) ONE RAM RIDGE ROAD, SPRING VALLEY, NEW YORK 10977 (ADDRESS OF PRINCIPAL EXECUTIVE OFFICES) (ZIP CODE) Registrant's telephone number, including area code: (845) 425-7100 ITEM 5. OTHER EVENTS CHANGE IN CORPORATE NAME On May 27, 2004, Pharmaceutical Resources, Inc., a Delaware corporation, changed its name to "Par Pharmaceutical Companies, Inc." (the "Company") by amending its Certificate of Incorporation, following approval of the name change by the Company's stockholders at the Company's annual stockholders meeting on May 26, 2004. CHANGE OF CUSIP NUMBER Concurrent with the name change, the Company received a new CUSIP number, which is now 69888P 10 6. The Company's ticker symbol (PRX) did not change and the Company's common stock will continue to trade under that symbol on the New York Stock Exchange. Exhibit 99.1 hereto sets forth a press release issued by the Company to report the name change and additional information about the Company. 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. Dated as of: June 10, 2004 PAR PHARMACEUTICAL COMPANIES, INC. ---------------------------------- (Registrant) /s/ Dennis J. O'Connor -------------------------------------------- Dennis J. O'Connor Vice President and Chief Financial Officer 2 EXHIBIT INDEX EXHIBIT NO. DESCRIPTION - ---------- ----------- 99.1 Press release issued by the Company to report the name change and additional information about the Company. 3