1 ================================================================================ SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q/A AMENDMENT NO. 1 TO QUARTERLY REPORT ON FORM 10-Q pursuant to section 13 or 15(d) of the Securities Exchange Act of 1934 for the quarterly period ended September 30, 1998, to amend Part I, Item 1. Financial Statements, Note 7 to Interim Consolidated Financial Statements. Commission file number 1-3677 ALCAN ALUMINIUM LIMITED (Exact name of registrant as specified in its charter) CANADA Inapplicable (State or Other Jurisdiction of (I.R.S. Employer Identification No.) Incorporation or Organization) 1188 Sherbrooke Street West, Montreal, Quebec, Canada H3A 3G2 (Address of Principal Executive Offices and Postal Code) (514) 848-8000 (Registrant's Telephone Number, including Area Code) Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes (Check) No ____ At September 30, 1998, the registrant had 227,631,098 shares of common stock (without nominal or par value) outstanding. ================================================================================ 2 7. SUBSEQUENT EVENTS On October 28, 1998, the Company issued $200 of 6.25% debentures due 2008 and $100 of 7.25% debentures due 2028. The proceeds will be used for general corporate purposes. In October and November 1998, the Company reduced its 45.6% interest in Nippon Light Metal Company, Ltd. (NLM) to below 20%. The net cash proceeds from the sale of shares is approximately $165 with a corresponding after-tax gain of approximately $114 to be reflected in the fourth quarter of 1998. With the reduction in Alcan's interest to below 20%, NLM will no longer be accounted for on an equity basis but will be treated as a portfolio investment. 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 thereunto duly authorized. ALCAN ALUMINIUM LIMITED Dated: November 25, 1998 By: /s/ Denis G. O'Brien ----------------------------- Denis G. O'Brien Controller (A Duly Authorized Officer) 1