1 Exhibit No. 10.68 AGREEMENT AND MUTUAL RELEASE AND DISCHARGE dated as of the day of ______________, 2001. BY AND BETWEEN: METHYLGENE INC. (hereinafter referred to as the "METHYLGENE") AND: HYBRIDON, INC. (hereinafter referred to as "HYBRIDON")...Agreement and Mutual Release and Discharge • April 13th, 2001 • Hybridon Inc • Biological products, (no disgnostic substances) • Quebec
