Ampio Pharmaceuticals, Inc. (OTC Bulletin Board: AMPE, www.ampiopharma.com), announced it has received approval for a new stock trading symbol from FINRA Operations. Effective March 31, 2010, Ampio Pharmaceuticals, Inc. will trade under the symbol "AMPE," and Ampio's common stock will carry a new CUSIP number, 03209T 109. The symbol change follows the March 24 change in the company's corporate name from Chay Enterprises, Inc. to Ampio Pharmaceuticals, Inc., and its reincorporation in Delaware.