Exhibit 2.1 STOCK PURCHASE AGREEMENTStock Purchase Agreement • November 8th, 2004 • Sonus Pharmaceuticals Inc • In vitro & in vivo diagnostic substances • Delaware
EXHIBIT 2.2 STOCKHOLDERS AGREEMENT THIS STOCKHOLDERS AGREEMENT (this "Agreement") is made and entered into as of _________ __, 2005 by and between Sonus Pharmaceuticals,Inc., a Delaware corporation ("Buyer"), and the undersigned Stockholders of Buyer...Stockholders Agreement • November 8th, 2004 • Sonus Pharmaceuticals Inc • In vitro & in vivo diagnostic substances • Delaware
