Brief: PostRock Energy says CEO Terry W. Carter to retire
Sept 1 (Reuters) - PostRock Energy Corp PSTR.O : * Says president and CEO Terry W. Carter to retire * The board has elected clark edwards, postrock's current vice president of Operations, as interim president and CEO * Source text for Eikon ID:nGNXVEILMa * Further company coverage PSTR.O ((Bengaluru Newsroom; +1 646 223 8780))