1 AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON JUNE 20, 2001 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D. C. 20549 ------------------ FORM 10-K/A AMENDMENT TO FORM 10-K ANNUAL REPORT Filed pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 ------------------ MERCK & CO., INC. P.O. BOX 100 WHITEHOUSE STATION, NEW JERSEY 08889-0100 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- 2 AMENDMENT NO. 1 The undersigned registrant hereby amends the following items, financial statements, exhibits or other portions of its annual report on Form 10-K for the fiscal year ended December 31, 2000 as set forth below: 1. Add Exhibit Numbers 99(a), 99(b) and 99(c) as follows: EXHIBIT METHOD OF NUMBER DESCRIPTION FILING 99(a) -- Financial statements and exhibits Filed with this Form 10-K/A Amendment required by Form 11-K Annual Report pursuant to Section 15(d) of the Securities Exchange Act of 1934 for the Merck & Co., Inc. Employee Savings and Security Plan for the fiscal year ended December 31, 2000 99(b) -- Financial statements and exhibits Filed with this Form 10-K/A Amendment required by Form 11-K Annual Report pursuant to Section 15(d) of the Securities Exchange Act of 1934 for the Merck & Co., Inc. Employee Stock Purchase and Savings Plan for the fiscal year ended December 31, 2000 99(c) -- Financial statements and exhibits Filed with this Form 10-K/A Amendment required by Form 11-K Annual Report pursuant to Section 15(d) of the Securities Exchange Act of 1934 for the Merck Puerto Rico Employee Savings and Security Plan for the fiscal year ended December 31, 2000 2 3 SIGNATURES PURSUANT TO THE REQUIREMENTS OF SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934, THE REGISTRANT HAS DULY CAUSED THIS AMENDMENT TO BE SIGNED ON ITS BEHALF BY THE UNDERSIGNED, THEREUNTO DULY AUTHORIZED. Dated: June 20, 2001 MERCK & CO., INC. By RAYMOND V. GILMARTIN (CHAIRMAN OF THE BOARD, PRESIDENT AND CHIEF EXECUTIVE OFFICER) By /s/CELIA A. COLBERT CELIA A. COLBERT (ATTORNEY-IN-FACT) PURSUANT TO THE REQUIREMENTS OF THE SECURITIES EXCHANGE ACT OF 1934, THIS AMENDMENT HAS BEEN SIGNED BELOW BY THE FOLLOWING PERSONS ON BEHALF OF THE REGISTRANT AND IN THE CAPACITIES AND ON THE DATES INDICATED. SIGNATURES TITLE DATE ---------- ----- ---- RAYMOND V. GILMARTIN Chairman of the Board, President and Chief Executive Officer; Principal Executive Officer; Director JUDY C. LEWENT Executive Vice President and Chief Financial Officer; Principal Financial Officer RICHARD C. HENRIQUES, JR. Vice President, Controller; Principal Accounting Officer H. BREWSTER ATWATER, JR. June 20, 2001 LAWRENCE A. BOSSIDY WILLIAM G. BOWEN JOHNNETTA B. COLE LLOYD C. ELAM WILLIAM N. KELLEY Directors HEIDI G. MILLER EDWARD M. SCOLNICK ANNE M. TATLOCK SAMUEL O. THIER DENNIS WEATHERSTONE CELIA A. COLBERT, BY SIGNING HER NAME HERETO, DOES HEREBY SIGN THIS DOCUMENT PURSUANT TO POWERS OF ATTORNEY DULY EXECUTED BY THE PERSONS NAMED, FILED WITH THE SECURITIES AND EXCHANGE COMMISSION AS AN EXHIBIT TO FORM 10-K, ON BEHALF OF SUCH PERSONS, ALL IN THE CAPACITIES AND ON THE DATE STATED, SUCH PERSONS INCLUDING A MAJORITY OF THE DIRECTORS OF THE COMPANY. By /s/CELIA A. COLBERT CELIA A. COLBERT (ATTORNEY-IN-FACT) 3