Item 7.01 Regulation FD Disclosure

On December 19, 2012, Gastar Exploration Ltd. (the "Company") announced that it currently has 34 gross (15.5 net) operated horizontal Marcellus Shale wells on production in Marshall County, West Virginia and is on track to achieve its guidance target of 38 gross (17.5 net) operated horizontal Marcellus wells on production by year-end. The Company also announced that its first non-operated well in the Mid-Continent began flowback operations on October 5, 2012 and that drilling of the second of three planned wells in the area has commenced. Additionally, the Company announced that it expects to report a 50% to 60% year-over-year increase in total proved reserve volumes for 2012 based on third-party evaluations.

In accordance with General Instruction B.2 of Form 8-K, the information presented herein under Item 7.01 and set forth in the attached Exhibit 99.1 is deemed to be "furnished" solely pursuant to Item 7.01 of this report and shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or otherwise subject to the liabilities of that section, nor shall such information or the exhibit be deemed incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Exchange Act.

Item 9.01 Financial Statements and Exhibits

(d) Exhibits

The following is a list of exhibits furnished as part of this Form 8-K:

Exhibit No. Description of Document

99.1 Press release dated December 19, 2012.

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