X0202 4 2005-12-14 0 0000005272 AMERICAN INTERNATIONAL GROUP INC AIG 0001236599 GREENBERG MAURICE R 399 PARK AVENUE 17TH FLOOR NEW YORK NY 10022 0 0 1 0 Common Stock 2005-12-14 4 M 0 206413 22.1037 A 43557291 D Common Stock 2005-12-14 4 F 0 69140 65.99 D 43488151 D Employee Stock Option (Right to Buy) 22.1037 2005-12-14 4 M 0 206413 D 1999-12-14 2005-12-14 Common Stock 206413 0 D On December 14, 2005, Mr. Greenberg exercised options with respect to 206,413 shares of common stock of American International Group, Inc. ("AIG"). Receipt of the 137,273 shares receivable upon exercise of the option (the shares exercised less the 69,140 shares used to satisfy the exercise price of the option) was deferred in accordance with a stock option deferral agreement dated December 20, 2004, as amended pursuant to a letter dated December 13, 2005, between Mr. Greenberg and AIG. These options were granted under AIG's 1991 Employee Stock Option Plan. Pursuant to the terms of the plan, 25% of the option becomes exercisable on the anniversary date of the grant in each of the four years following the grant. Mr. Greenberg may be deemed to beneficially own more than 10% of the common stock of American International Group, Inc. under Rule 16a-1(a)(1) under Securities Exchange Act of 1934, as amended (the "Exchange Act"), as a result of it being deemed a member of a group under Section 13(d)(3) of the Exchange Act. By: /s/ Maurice R. Greenberg 2005-12-16