Endo Health Solutions Inc. is an American pharmaceutical company. It was created as a result of a management buyout from DuPont Merck in 1997. Three DuPont Merck executives (Carol A. Ammon, Chairman, President & CEO, and Mariann T. MacDonald, Executive Vice President, Operations, along with another colleague) purchased all of Endo Laboratories L.L.C.'s generic products along with 12 important brand products, including Percocet, Percodan, and Opana. The new company was called Endo Pharmaceuticals Inc. On 23rd May 2012, Endo's shareholders approved a resolution to change the company's name to Endo Health Solutions Inc..  Wikipedia