The Plan originally became effective on May 8, 2007, and this amended and restated version of the Plan shall become effective on May 4, 2016, upon its approval by the holders of a majority of the voting power of the shares deemed present and entitled to vote at the Pool Corporation (POOL) 2016 Annual Meeting of Stockholders to be held on that date and any necessary approval from any department, board or agency of the United States or states having jurisdiction.