ALCOA INC. AND THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., AS TRUSTEE THIRD SUPPLEMENTAL INDENTURE Dated as of March 24, 2009 to INDENTURE Dated as of September 30, 1993Alcoa Inc • March 24th, 2009 • Rolling drawing & extruding of nonferrous metals • Pennsylvania
Company FiledMarch 24th, 2009 Industry JurisdictionTHIRD SUPPLEMENTAL INDENTURE, dated as of March 24, 2009, by and between ALCOA INC., a corporation organized under the laws of the Commonwealth of Pennsylvania and having its principal office at 390 Park Avenue, New York, New York (the “Company”), and THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., as successor trustee to J.P. Morgan Trust Company, N.A. (formerly known as Chase Manhattan Trust Company, National Association, as successor trustee to PNC Bank, National Association), a national banking association organized and existing under the laws of the United States of America, as trustee (the “Trustee”) to that certain Indenture dated as of September 30, 1993 between the Company and the Trustee.