X0201 5 2003-12-31 0 0 0 0000040417 GENERAL AMERICAN INVESTORS CO INC GAM 0001215923 VINDIGNI ANDREW V C/O GENERAL AMERICAN INVESTORS CO INC 450 LEXINGTON AVE STE 3300 NEW YORK NY 10017 0 1 0 0 Vice-President Common Stock 2003-12-31 5 J 0 2518 A 48886 I By Thrift Plan Trust The securities reported herein were acquired on a periodic basis in open market transactions at the then prevailing market prices prusuant to the Issuer's Employees' Thrift Plan. The information is based upon a statement as of 12/31/03 issued by the Plan Administrator. By Issuer's Employees' Thrift Plan Trust. The undersigned disclaims any beneficial interest in these shares. /s/Andrew Vincent Vindigni 2004-01-23