AIG and the U.S. Department of the Treasury Complete 300M Share Offering of AIG Common Stock

American International Group, Inc. AIG announced today the completion of a registered public offering of 300 million shares of AIG common stock, par value $2.50 per share, by AIG and the U.S. Department of the Treasury, as the selling shareholder. One hundred million shares were issued and sold by AIG and 200 million shares were sold by Treasury. Treasury has also granted the underwriters an option to purchase up to 45 million additional shares to cover sales of shares in excess of those 300 million shares. AIG did not receive any of the proceeds from the sale of the shares of AIG common stock by Treasury.