Exhibit 2.2 AMENDMENT TO PURCHASE AGREEMENT Agreement made as of February 26, 2003, among Penwest Pharmaceuticals Co., a Washington corporation with its principal office at 2981 Route 22, Patterson, New York 12563-9970 (the "Company"), Josef...Purchase Agreement • February 28th, 2003 • Penwest Pharmaceuticals Co • Pharmaceutical preparations • New York
Contract Type FiledFebruary 28th, 2003 Company Industry Jurisdiction
ORPurchase Agreement • April 12th, 2001 • Verizon South Inc • Telephone communications (no radiotelephone)
Contract Type FiledApril 12th, 2001 Company Industry