TransAtlantic Petroleum Ltd. announced it expects to be added to a Russell Index effective June 30, 2014. The company also announced that its board of directors has approved Harold "Lee" Muncy as Vice President of Geosciences. In addition, the company's board of directors has accepted the resignation of Vice President, Legal and Corporate Secretary Jeffrey S. Mecom and expects to appoint Matthew W. McCann as General Counsel and Corporate Secretary on or before September 8, 2014.

Mr. Mecom plans to remain at the company in an advisory capacity through September 8, 2014. Mr. Muncy, 61, served as Vice President, Exploration for the Bass companies, a group of Fort Worth, Texas-based independent oil and natural gas exploration and production companies, where he worked from 2000 to 2012. He brings more than thirty-five years of geological experience in the oil and natural gas industry, where he has focused on exploration, exploitation and worldwide transactions.

Mr. McCann, 45, has served as Counsel for Riata Corporate Group and Business Development Specialist for Longfellow Energy, LP, which are both owned by Mr. Mitchell and his family, since 2011 and from 2007 to 2009. From 2009 to 2011, Mr. McCann served as Chief Executive Officer of the company. Prior to joining Riata and Longfellow, he served as Senior Vice President, Legal and Corporate Secretary for SandRidge Energy Inc.