CHADDS FORD, PA--(MARKET WIRE)--Sep 6, 2007 -- Endo Pharmaceuticals Inc., a wholly owned subsidiary of Endo Pharmaceuticals Holdings Inc. (NasdaqGS:ENDP - News) and a market leader in pain management, has announced the appointment of Nancy J. Wysenski as Chief Operating Officer, effective today. In this position, Wysenski will oversee the integration and execution of Endo's operating strategy, sourcing and commercializing its product portfolio, and advancing the company's organizational capabilities. She will have direct responsibility for business development, strategic alliances, sales and marketing, technical operations and supply chain, and corporate services, including human resources and information management.