(GST) to Present at the Global Hunter Securities 100 Energy Conference in June

HOUSTON, June 20, 2014  — Gastar Exploration Inc. (NYSE MKT: GST) announced that the Company’s management will participate in the GHS 100 Energy Conference to be held June 24-25 in Chicago.

J. Russell Porter, President and Chief Executive Officer, will make a presentation at 2 p.m. Central Time on Tuesday, June 24.  The presentation will provide an update on the Company’s operations and certain recent developments.

To listen to a live audio webcast and view the presentation materials, visit the Investor Relations section of the Company’s website at www.gastar.com under Events and Presentations.  A replay will also be available for rebroadcast on the Company’s website.

About Gastar Exploration

Gastar Exploration Inc. is an independent energy company engaged in the exploration, development and production of oil, natural gas, condensate and natural gas liquids in the United States.  Gastar’s principal business activities include the identification, acquisition, and subsequent exploration and development of oil and natural gas properties with an emphasis on unconventional reserves, such as shale resource plays. Gastar is currently pursuing development within the primarily oil-bearing reservoirs of the Hunton Limestone horizontal oil play in Oklahoma and the development of liquids-rich natural gas in the Marcellus Shale play and dry gas in the Utica Shale play in West Virginia.  For more information, visit Gastar’s website at www.gastar.com.

Contacts:
Gastar Exploration Inc.
J. Russell Porter, Chief Executive Officer
713-739-1800 / rporter@gastar.com

Investor Relations Counsel:
Lisa Elliott / lelliott@DennardLascar.com
Anne Pearson / apearson@DennardLascar.com
Dennard ▪ Lascar Associates: 713-529-6600