March 17 (Reuters) - TMX Group Ltd X.TO : * CEO Thomas Kloet to retire from TMX Group Limited * Says Thomas Kloet, chief executive officer, will retire from the company effective August 31, 2014 * Board of TMX Group Limited has constituted a search committee to identify a successor to Kloet * Says search for new CEO will involve both internal and external candidates and will begin immediately * Source text for Eikon ID:nCNWn081fa * Further company coverage X.TO ((Bangalore Newsroom; +1 646 223 8780))