SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 ----------------- SCHEDULE 14D-1/A (AMENDMENT NO. 4) TENDER OFFER STATEMENT PURSUANT TO SECTION 14(D)(1) OF THE SECURITIES EXCHANGE ACT OF 1934 ----------------- ALUMAX INC. (NAME OF SUBJECT COMPANY) AMX ACQUISITION CORP. A WHOLLY OWNED SUBSIDIARY OF ALUMINUM COMPANY OF AMERICA (BIDDERS) COMMON STOCK, PAR VALUE $.01 PER SHARE (TITLE OF CLASS OF SECURITIES) 022197 10 7 (CUSIP NUMBER OF CLASS OF SECURITIES) LAWRENCE R. PURTELL, ESQ. ALUMINUM COMPANY OF AMERICA 425 SIXTH AVENUE PITTSBURGH, PENNSYLVANIA 15219 TELEPHONE: (412) 553-4545 (NAME, ADDRESS AND TELEPHONE NUMBER OF PERSON AUTHORIZED TO RECEIVE NOTICES AND COMMUNICATIONS ON BEHALF OF BIDDER) --------------- With copies to: J. MICHAEL SCHELL, ESQ. MARGARET L. WOLFF, ESQ. SKADDEN, ARPS, SLATE, MEAGHER & FLOM LLP 919 THIRD AVENUE NEW YORK, NEW YORK 10022 TELEPHONE: (212) 735-3000 MAY 7, 1998 This Amendment No. 4 to the Tender Offer Statement on Schedule 14D-1 (this "Amendment") relates to the offer by AMX Acquisition Corp., a Delaware corporation (the "Purchaser") and a wholly owned subsidiary of Aluminum Company of America, a Pennsylvania corporation (the "Parent"), to purchase up to 27,000,000 shares of common stock, par value $.01 per share (the "Shares"), of Alumax Inc., a Delaware corporation (the "Company"), at a price of $50.00 per Share, net to the seller in cash, upon the terms and subject to the conditions set forth in the Purchaser's Offer to Purchase, dated March 13, 1998 (the "Offer to Purchase"), and in the related Letter of Transmittal (which together constitute the "Offer"). Defined terms used but not otherwise defined herein shall have the meanings set forth in the Offer to Purchase. ITEM 10. ADDITIONAL INFORMATION Item 10(f) of the Schedule 14D-1 is hereby amended and supplemented to add the following information: "On May 7, 1998, the Parent issued a press release announcing the extension of the Expiration Date until 12:00 Midnight, New York City time, on Friday, June 5, 1998. The Offer had previously been scheduled to expire at 12:00 Midnight, New York City time, on Thursday, May 7, 1998. A copy of the press release issued by the Parent announcing the extension of the Offer is attached hereto as Exhibit (a)(8)(iii) and incorporated herein by reference." ITEM 11. MATERIAL TO BE FILED AS EXHIBITS. Item 11 is hereby amended and supplemented by adding the following Exhibit: (a)(8)(iii) -- Press Release issued by the Parent on May 7, 1998. SIGNATURE After due inquiry and to the best of its knowledge and belief, the undersigned certifies that the information set forth in this statement is true, complete and correct. AMX ACQUISITION CORP. By: /s/ Richard B. Kelson ----------------------------- Name: Richard B. Kelson Title: Vice President and Treasurer Dated: May 7, 1998 SIGNATURE After due inquiry and to the best of its knowledge and belief, the undersigned certifies that the information set forth in this statement is true, complete and correct. ALUMINUM COMPANY OF AMERICA By: /S/ RICHARD B. KELSON ------------------------------ Name: Richard B. Kelson Title: Executive Vice President and Chief Financial Officer Dated: May 7, 1998 EXHIBIT INDEX Exhibit Page in No. Sequential Numbering System (a)(8)(iii) Press Release issued by the Parent on May 7, 1998.
Editorial Contact: Bonita A. Cersosimo Alcoa 412-553-4462 ALCOA EXTENDS TENDER OFFER FOR ALUMAX SHARES PITTSBURGH, Pa. May 7, 1998 Alcoa (NYSE: AA) announced today that it has extended the expiration date of the cash tender offer for up to 27 million shares of common stock of Alumax Inc. (NYSE: AMX) at a price of $50 per share to midnight, EDT, on Friday, June 5, 1998. The offer had previously been scheduled to expire on Thursday, May 7, 1998. As of the close of business on May 6 the number of shares of Alumax common stock that had been validly tendered was 23,913,841. ###