AMENDMENTS TO DEFERRED COMPENSATION PLAN

Exhibit 10(q)(6)

AMENDMENT TO THE

ALCOA DEFERRED COMPENSATION PLAN

The American Jobs Creation Act of 2004 requires certain changes to plan provisions effective January 1, 2005; therefore the plan is amended as follows:

All Credits in Participants’ accounts as of December 31, 2004, including any Earnings Credits thereon after December 31, 2004, shall continue to be subject to all Plan provisions in effect as of that date.

“Key Employee” means a Key Employee as defined in Section 409A of the Internal Revenue Code, or pursuant to any regulations promulgated thereunder, for whom a distribution of Plan benefits is required to be delayed.

“Post-2004 Credits” means Salary Reduction Credits, Additional Salary Reduction Credits, Incentive Compensation Deferral Credits, and Matching Company Credits credited to a Participant’s account on and after January 1, 2005, inc