X0201 42003-12-19 0000004281 ALCOA INC AA 0001127285 BELDA ALAIN J P 201 ISABELLA STREET PITTSBURGH PA 15212 1100Chairman and CEOCommon Stock2003-12-194M017407034.1875A1069943DCommon Stock2003-12-194F016705137.26D902892DCommon Stock2003-12-194M030000030.75A1202892DCommon Stock2003-12-194F027436937.26D928523DCommon Stock5171IBy Company 401(k) PlanEmployee Stock Option (right to buy)34.18752003-12-194M0174070D2001-02-092006-01-11Common Stock1740700DEmployee Stock Option (right to buy)37.262003-12-194A0167051A2004-06-192006-01-11Common Stock167051167051DEmployee Stock Option (right to buy)30.752003-12-194M0300000D2002-05-062009-05-06Common Stock3000000DEmployee Stock Option (right to buy)37.262003-12-194A0274369A2004-06-192009-05-06Common Stock274369274369DEmployee stock options are granted without payment of considerationIn the aggregate, a total of 4,513,479 employee stock options (with various prices and expiration dates) were beneficially owned by the reporting person as of the date of this report.These are reload stock options granted in connection with the reporting person's exercise of outstanding options and payment of the option exercise costs by delivering previously owned shares to the Company as reported herein.Brenda Hart (Assistant Secretary), by power of attorney2003-12-23