LNG Energy Enters Into Farm-In Agreement in Papua New Guinea With Heritage Oil PLC

LNG Energy Ltd. ("LNG") (TSX VENTURE:LNG) is pleased to announce that its subsidiaries, Telemu No. 18 Limited ("Telemu"), LNG Energy (PNG) Limited and LNG Energy No. 2 Limited, have entered into a farm-in agreement with wholly owned subsidiaries of Heritage Oil Plc ("Heritage"). In exchange for an 80% participating interest in the PPL 319 and PRL 13 licenses, Heritage will make a cash payment to Telemu of US$4 million, fund the acquisition of a minimum of 100 km of seismic within the license areas and fund the drilling of one exploration well in PPL 319 to a depth sufficient to test identified exploration targets. Closing is subject to certain conditions including customary government approvals. On closing, Heritage will become the operator under both licenses.

Quicksilver Announces Sale to Tokyo Gas of 25% Interest in Barnett Shale Assets

Quicksilver Resources Inc. (KWK) announced today that it has executed an agreement to sell an undivided 25% interest in its Barnett Shale oil and gas assets for US$485 million to TG Barnett Resources LP, a wholly-owned U.S. subsidiary of Tokyo Gas Co., Ltd.

Quicksilver will remain as operator of the assets. Future development spending will be shared in proportion to each party's working interest in accordance with applicable operating agreements.

The effective date of the transaction is September 1, 2012. Closing is expected to occur on April 30, 2013 and is subject to customary closing conditions.

Gastar Exploration Announces Mid-Continent Acquisition, Resolution of Litigation and Mid-Continent Operational Results

- Will add 157,000 net acres to Gastar's existing Mid-Continent position
- Transactions to include repurchase of 6.8 million shares of common stock and settlement of all litigation with Chesapeake

Gastar Exploration Ltd. (NYSE MKT: GST) today announced that it has entered into a definitive agreement to acquire proven reserves and undeveloped leasehold interests in Kingfisher and Canadian counties, Oklahoma from Chesapeake Energy Corporation, repurchase Chesapeake's common shares of the Company and settle all litigation for $85 million.  The acquisition includes drilling rights omin approximately 157,000 net acres that adjoin Gastar's existing Mid-Continent acreage and approximately 2.8 MMBoe of proven reserves. The transaction is expected to close on or before June 7, 2013, subject to customary closing adjustments, and with a property purchase effective date of October 1, 2012.

Athabasca Oil Corporation reports a significant increase in bitumen contingent resources and light oil reserves, and assigns 51 million barrels of proved reserves at Hangingstone