X0202 4 2007-05-04 0000004281 ALCOA INC AA 0001268015 REITAN BERNT 201 ISABELLA STREET PITTSBURGH PA 15212 0 1 0 0 Executive Vice President Common Stock 2007-05-04 4 A 0 35000 0 A 157200 D Common Stock 1297 I By Company 401 (K) Plan Represents a special retention stock award in the form of restricted stock units that will be paid in stock three years from the date of the grant but will be forfeited if the reporting person voluntarily leaves the company or voluntarily retires within the three-year period. Refer to the form of special retention stock award agreement filed as exhibit 10.3 to the company's Current Report on Form 8-K dated September 20, 2006 for the complete terms and conditions of the award. Brenda Hart (Assistant Secretary), by power of attorney 2007-05-08