ALCOA SUPPLEMENTAL PENSION PLAN FOR SENIOR EXECUTIVES AS AMENDED AND RESTATED EFFECTIVE DECEMBER 31, 2007

Exhibit 10(u)

ALCOA SUPPLEMENTAL PENSION PLAN FOR SENIOR EXECUTIVES

AS AMENDED AND RESTATED EFFECTIVE DECEMBER 31, 2007

Pursuant to due authorization by the Board of Directors, Alcoa Inc. has adopted the following Alcoa Supplemental Pension Plan for Senior Executives for the exclusive benefit of select management and highly compensated employees (1) whose Pension Service terminates on or after January 1, 1999, (2) who are participants in the IC Rules adopted under the Alcoa Retirement Plan I and/or in Employees’ Excess Benefits Plan B of Alcoa Inc. due to their previous participation in the IC Rules, (3) who meet the requirements for participation hereunder, and (4) whose monthly retirement benefits under other benefit plans are less than the monthly retirement benefits calculated under this Plan. Effective December 31, 2007, this Plan is frozen as to new participants, and only Participants as of that date will be eligible for a benefit accrual under this Plan.

ARTICLE I - DEFINITIONS

A. “Annual Compensation” means the total payments which includes 100% of Performance Pay and Incentive Compensation Awards, made by the Company, and by any Subsidiaries or affiliates of Alcoa, for any period of Pension Service, for services rendered as a salaried employee, except as otherwise provided by contractual agreement. Annual Compensation does not include living and similar allowances, premium pay, and payments made for specific purposes as determined under supplemental rules adopted by Alcoa. Annual Compensation includes any amounts by which the Participant has elected to reduce his or her salary under the Alcoa Savings Plan, and also includes amounts deferred under any non-qualified deferred compensation arrangement that would otherwise meet the definition of Annual Compensation. “Special Payments” within the meaning of the Alcoa Deferred Compensation Plan are not treated as Annual Compensation.

B. “Average Final Compensation” means the average Annual Compensation received during the five highest paid calendar years out of the ten calendar years (including the calendar year in which such compensation was discontinued if this would increase Average Final Compensation), immediately preceding the Participant’s termination of Pension Service by virtue of employment termination, retirement or death.

C. “Board of Directors” means the Board of Directors of the Company.

D. “Company” means Alcoa Inc.

E. “Compensation Committee” means the Committee created by the Board of Directors.

F. “Excess Plan B” means the Employees’ Excess Benefits Plan B of Alcoa Inc. as now in effect and as from time to time amended hereafter.

G. “IC Rules” means the IC Rules adopted under Alcoa Retirement Plan I as now in effect and as from time to time amended hereafter.

H. “Other Plan or Plans” means the IC Rules, any other defined benefit retirement plan of the Company or any Subsidiary, Employees’ Excess Benefits Plan A of the Company, Excess Benefits Plan B, and Employees’ Excess Benefits Plan C. Effective December 31, 2007, Participants in this Plan are ineligible to participate in Excess Benefits Plan C and have no accrual under that plan.

I. “Participant” means any employee (1) whose Pension Service terminates on or after January 1, 1999, (2) who is a participant in the IC Rules or Excess Plan B, and (3) who has a job grade of 27 or higher, as determined by the Company. Effective December 31, 2007, no new Participants will participate in this Plan.

J. “Pension Benefits” means any and all retirement benefits provided under the Other Plan or Plans, excluding the Special Retirement Pension or Supplemental Pension provided under the IC Rules or the equivalent thereof provided under Excess Plan B.

K. “Pension Service” means the service used to calculate the Participant’s monthly retirement benefit under the Other Plan or Plans.

L. “Plan” means the Alcoa Supplemental Pension Plan for Senior Executives adopted by the Company as described herein or from time to time amended hereafter.

M. “Plan Benefits” means the monthly benefits payable under this Plan at such time as the Participant’s monthly Pension Benefits