Exhibit 99.10 THIS WARRANT AND THE WARRANT SHARES SHALL NOT BE SOLD OR TRANSFERRED EXCEPT (A) IN ACCORDANCE WITH THE PROVISIONS OF REGULATION S UNDER THE SECURITIES ACT OF 1933, (B) PURSUANT TO REGISTRATION UNDER THE SECURITIES ACT OF 1933 OR (C)...Warrant Agreement • June 30th, 2005 • Hybridon Inc • Biological products, (no disgnostic substances) • Delaware
HYBRIDON, INC.Registration Rights Agreement • June 30th, 2005 • Hybridon Inc • Biological products, (no disgnostic substances) • Delaware
HYBRIDON, INC.Convertible Note Agreement • June 30th, 2005 • Hybridon Inc • Biological products, (no disgnostic substances)
Exhibit 99.6 SUBSCRIPTION AGREEMENT Hybridon, Inc. 345 Vassar Street Cambridge, MA 02139 Gentlemen: 1. Subscription. The undersigned (the "Purchaser"), intending to be legally bound, hereby irrevocably agrees to purchase from Hybridon, Inc. (the...Subscription Agreement • June 30th, 2005 • Hybridon Inc • Biological products, (no disgnostic substances) • Massachusetts
ARTICLE 1 DEFINITIONSNoteholders Agreement • June 30th, 2005 • Hybridon Inc • Biological products, (no disgnostic substances) • Massachusetts
