Exhibit 10.8
SCHEDULE TO INDEMNIFICATION AGREEMENT

The following is a list of the current and former directors and executive
officers of Agenus who are party to an Indemnification Agreement, the form of
which was filed as Exhibit 10.4 to our registration statement on Form S-1 (File
No. 333-91747):

Noubar Afeyan, Ph.D.
Garo H. Armen, Ph.D.
Frank V. AtLee III
Ozer Baysal
Brian Corvese
Gamil G. de Chadarevian
Tom Dechaene
Margaret Eisen
Renu Gupta
John Hatsopoulos
Wadih Jordan
Mark Kessel
Christine Klaskin
Bruce Leicher
Hyam Levitsky
Timothy Rothwell
Shalini Sharp
Pramod K. Srivastava, Ph.D.
Robert Stein
Peter Thornton
Karen Valentine
Kerry Wentworth
Alastair Wood
Timothy Wright