================================================================================ 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): February 10, 2003 MERCK & CO., INC. (Exact name of registrant as specified in its charter) New Jersey 1-3305 22-1109110 (State or other jurisdiction (Commission (IRS Employer of incorporation) File Number) Identification No.) One Merck Drive P.O. Box 100, Whitehouse Station, NJ 08889-0100 (Address of principal executive offices) (Zip Code) Registrant's telephone number, including area code: (908) 423-1000 Not Applicable (Former name or address, if changed since last report) ================================================================================ Item 5. Other Events On February 10, 2003, Merck & Co., Inc. entered into an underwriting agreement (the "Underwriting Agreement") with J.P. Morgan Securities Inc., as Representative of the Underwriters named in the Underwriting Agreement, for the sale of $500,000,000 4.375% Notes due February 15, 2013. The Underwriting Agreement is filed as Exhibit 1.1 to this Form 8-K. Item 7. Financial Statements, Pro Forma Financial Statements, and Exhibits (c) Exhibits 1.1 Underwriting Agreement, dated February 10, 2003, between Merck & Co., Inc. and J.P. Morgan Securities Inc., as Representative of the Underwriters named in the Underwriting Agreement. 12 Computation of Ratios of Earnings to Fixed Changes 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 hereunto duly authorized. MERCK & CO., INC. (Registrant) February 12, 2003 /s/ Debra A. Bollwage --------------------- DEBRA A. BOLLWAGE Assistant Secretary