Howmet Aerospace Inc. — Director's Dealing 2005

May 3, 2005

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ALCOA INC (AA)
CIK: 0000004281
Period of Report: 2005-04-29

Reporting Person: Mack Ruth Jeannette (Vice President)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2005-04-29	Phantom Stock Units	$	A	154	Acquired		Common Stock (154)	Direct

Footnotes

F1: 1 For 1

F2: Phantom stock units were acquired under the Alcoa Deferred Compensation Plan and are to be paid out in cash after termination of employment.