X0202 4 2005-04-21 0 0001120916 AMERICAN OIL & GAS INC AOGI 0001318300 O BRIEN PATRICK D 1050 17TH STREET SUITE 1850 DENVER CO 80265 1 1 0 0 Chief Executive Officer Common Stock 2005-04-21 4 A 0 1933334 A 2541359 D Options to Purchase Common Stock 1.25 2004-07-15 4 A 0 250000 A 2009-07-15 Common Stock 250000 250000 D Received in exchange for 334 shares of Tower Columbia Corporation common stock in connection with the merger of Tower Columbia Corporation into American Oil & Gas Inc. (the "Merger"). On the effective date of the Merger, the closing price of Americn Oil & Gas Inc.'s common stock was $3.66 per share. The options vest in equal annual installments on July 15, 2004 and July 15, 2005. /s/ Patrick D. O'Brien 2005-04-25