Document ppVE5ER9pg8Oe1jeemrLv4Rk7

ETHYL CORPORATION IOO PARK AVENUE BUILDING AT 41s t STREET NEW YORK 17, N. Y. April 18, 1962 Dr. Robert A. Kehoe University of Cincinnati Department of Preventive Medicine and Industrial Health The Kettering Laboratory College of Medicine-Eden Avenue Cincinnati 19, Ohio Dear Bob: Apparently both parties overlooked the fact that the Consultant Agreement with you dated December 1, 1958 expired on December 31, 1961. We, of course, wish to continue this Agree ment during 1962, and this letter will confirm our oral agreement to that effect. Will you kindly sign the enclosed copy of this letter at the place indicated and this letter shall then constitute confirmation of the extension of the Consultant Agreement until December 31, 1962. Sincerely yours ACCEPTED J Robert' A. Kehoe , M'. B, W. R. Perdue, Jr Vice President