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<!-- Field: Rule-Page --><DIV ALIGN="LEFT"></DIV>

<!-- Field: Rule-Page --><DIV ALIGN="LEFT"><DIV STYLE="font-size: 1pt; border-top: Black 1pt solid; width: 100%">&nbsp;</DIV></DIV><!-- Field: /Rule-Page -->

<DIV STYLE="text-align: left"><DIV STYLE="font-size: 1pt; border-top: Black 1pt solid; width: 100%">&nbsp;</DIV></DIV><!-- Field: /Rule-Page -->

<P STYLE="margin-top: 0; text-align: center; margin-bottom: 0">&nbsp;&nbsp;</P>

<P STYLE="margin-top: 0; text-align: center; margin-bottom: 0"><B>UNITED STATES</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>SECURITIES AND EXCHANGE COMMISSION</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Washington, D.C. 20549</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">FORM 8-K</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>CURRENT REPORT </B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>PURSUANT TO SECTION 13 OR 15(D) OF THE</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>SECURITIES EXCHANGE ACT OF 1934</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Date of Report (Date of earliest event reported):
May 9, 2012</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">GASTAR EXPLORATION LTD.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>GASTAR EXPLORATION USA, INC.</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(Exact Name of Registrant as Specified in
its Charter)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 32%; font-weight: bold; text-align: center">ALBERTA, CANADA</TD>
    <TD STYLE="width: 2%; font-weight: bold; text-align: center">&nbsp;</TD>
    <TD STYLE="width: 32%; font-weight: bold; text-align: center">001-32714</TD>
    <TD STYLE="width: 2%; font-weight: bold; text-align: center">&nbsp;</TD>
    <TD STYLE="width: 32%; font-weight: bold; text-align: center">98-0570897</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="font-weight: bold; text-align: center">DELAWARE</TD>
    <TD STYLE="font-weight: bold; text-align: center">&nbsp;</TD>
    <TD STYLE="font-weight: bold; text-align: center">001-35211</TD>
    <TD STYLE="font-weight: bold; text-align: center">&nbsp;</TD>
    <TD STYLE="font-weight: bold; text-align: center">38-3531640</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-align: center">(State or other jurisdiction</TD>
    <TD STYLE="text-align: center">&nbsp;</TD>
    <TD STYLE="text-align: center">(Commission</TD>
    <TD STYLE="text-align: center">&nbsp;</TD>
    <TD STYLE="text-align: center">(I.R.S. Employer</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-align: center">of incorporation)</TD>
    <TD STYLE="text-align: center">&nbsp;</TD>
    <TD STYLE="text-align: center">File Number)</TD>
    <TD STYLE="text-align: center">&nbsp;</TD>
    <TD STYLE="text-align: center">Identification No.)</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>1331 LAMAR STREET, SUITE 650</B></P>

<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">HOUSTON, TEXAS 77010</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(Address of principal executive offices,
including zip code)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>(713) 739-1800</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(Registrant's telephone number, including
area code)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Check the appropriate box below if the Form 8-K filing is intended
to simultaneously satisfy the filing obligations of the registrant under any of the following provisions:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.25in; text-align: left"><FONT STYLE="font-family: Wingdings">&uml;</FONT></TD><TD STYLE="text-align: justify">Written communications pursuant to Rule 425 under the Securities
Act (17 CFR 230.425)</TD>
</TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.25in; text-align: left"><FONT STYLE="font-family: Wingdings">&uml;</FONT></TD><TD STYLE="text-align: justify">Soliciting material pursuant to Rule 14a-12 under the Exchange
Act (17 CFR 240.14a-12)</TD>
</TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.25in"><FONT STYLE="font-family: Wingdings">&uml;</FONT></TD><TD>Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))</TD></TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.25in"><FONT STYLE="font-family: Wingdings">&uml;</FONT></TD><TD>Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))</TD></TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="text-underline-style: double">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<!-- Field: Rule-Page --><DIV ALIGN="LEFT"></DIV>

<!-- Field: Rule-Page --><DIV ALIGN="LEFT"><DIV STYLE="font-size: 1pt; border-top: Black 1pt solid; width: 100%">&nbsp;</DIV></DIV><!-- Field: /Rule-Page -->

<DIV STYLE="text-align: left"><DIV STYLE="font-size: 1pt; border-top: Black 1pt solid; width: 100%">&nbsp;</DIV></DIV><!-- Field: /Rule-Page -->

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

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    <DIV STYLE="page-break-before: always; margin-top: 6pt; margin-bottom: 12pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR></TABLE></DIV>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="text-underline-style: double">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>SECTION 2 &ndash; FINANCIAL INFORMATION</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>Item 2.02 Results of Operations and Financial Condition.</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">On May 9, 2012, Gastar Exploration Ltd.
<FONT STYLE="color: black">(NYSE Amex: GST) </FONT>(the &ldquo;Company&rdquo;) issued a press release announcing the Company&rsquo;s
financial results for the three months ended March 31, 2012. A copy of the Company&rsquo;s press release, dated May 9, 2012, is
furnished herewith as Exhibit 99.1 and is incorporated herein by reference.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 23pt">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">In accordance with General Instruction B.2
of Form 8-K and the Securities and Exchange Commission Release No.&nbsp;33-8176, the information presented herein under Item&nbsp;2.02
and under Item&nbsp;9.01 related thereto of Form 8-K, shall not be deemed to be &ldquo;filed&rdquo; for purposes of Section&nbsp;18
of the Securities Exchange Act of 1934, as amended (the &ldquo;Exchange Act&rdquo;) ,or otherwise subject to the liabilities of
that section, and is not deemed to be incorporated by reference into any filing under the Securities Act of 1933, as amended, or
the Exchange Act.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>SECTION 9 &ndash; FINANCIAL STATEMENTS AND EXHIBITS</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>Item 9.01. Financial Statements and Exhibits.</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">(d) Exhibits.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 12%; text-align: left; text-indent: 0in; font-weight: bold; text-decoration: none; border-bottom: Black 1pt solid">Exhibit No.</TD>
    <TD STYLE="width: 2%; text-align: left; text-indent: 0in; font-weight: bold; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="width: 86%; text-align: center; border-bottom: Black 1pt solid; font-weight: bold; text-decoration: none">Description of Document</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-align: center">99.1</TD>
    <TD>&nbsp;</TD>
    <TD>Press release dated May 9, 2012 announcing the Company&rsquo;s financial results for the three months ended March 31, 2012.</TD></TR>
</TABLE>
<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-align: center; text-indent: -0.5in">&nbsp;</P>

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<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-align: center; text-indent: -0.5in">&nbsp;</P>

<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-align: center; text-indent: -0.5in">SIGNATURES</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">Pursuant to the requirements of the Exchange
Act, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="text-align: left; tab-stops: -.5in 0in .5in decimal 196.8pt 254.4pt 312.0pt 369.6pt 427.2pt 484.8pt">Date:&nbsp; May 9, 2012</TD>
    <TD COLSPAN="2" STYLE="text-align: left; tab-stops: -.5in 0in .5in decimal 196.8pt 254.4pt 312.0pt 369.6pt 427.2pt 484.8pt; font-weight: bold">GASTAR EXPLORATION LTD.</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-align: left; tab-stops: -.5in 0in .5in decimal 196.8pt 254.4pt 312.0pt 369.6pt 427.2pt 484.8pt">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="text-align: left; tab-stops: -.5in 0in .5in decimal 196.8pt 254.4pt 312.0pt 369.6pt 427.2pt 484.8pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 50%; text-align: left; tab-stops: -.5in 0in .5in decimal 196.8pt 254.4pt 312.0pt 369.6pt 427.2pt 484.8pt">&nbsp;</TD>
    <TD STYLE="width: 4%; text-align: left; tab-stops: -.5in 0in .5in decimal 196.8pt 254.4pt 312.0pt 369.6pt 427.2pt 484.8pt">By:</TD>
    <TD STYLE="width: 46%; text-align: left; tab-stops: -.5in 0in .5in decimal 196.8pt 254.4pt 312.0pt 369.6pt 427.2pt 484.8pt; text-decoration: none; border-bottom: Black 1pt solid">/s/&nbsp; J. Russell Porter</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>J. Russell Porter</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>President and Chief Executive Officer</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-align: left; tab-stops: -.5in 0in .5in decimal 196.8pt 254.4pt 312.0pt 369.6pt 427.2pt 484.8pt; font-weight: bold">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="text-align: left; tab-stops: -.5in 0in .5in decimal 196.8pt 254.4pt 312.0pt 369.6pt 427.2pt 484.8pt; font-weight: bold">GASTAR EXPLORATION USA, INC.</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-align: left; tab-stops: -.5in 0in .5in decimal 196.8pt 254.4pt 312.0pt 369.6pt 427.2pt 484.8pt">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="text-align: left; tab-stops: -.5in 0in .5in decimal 196.8pt 254.4pt 312.0pt 369.6pt 427.2pt 484.8pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-align: left; tab-stops: -.5in 0in .5in decimal 196.8pt 254.4pt 312.0pt 369.6pt 427.2pt 484.8pt">&nbsp;</TD>
    <TD STYLE="text-align: left; tab-stops: -.5in 0in .5in decimal 196.8pt 254.4pt 312.0pt 369.6pt 427.2pt 484.8pt">By:</TD>
    <TD STYLE="text-align: left; tab-stops: -.5in 0in .5in decimal 196.8pt 254.4pt 312.0pt 369.6pt 427.2pt 484.8pt; text-decoration: none; border-bottom: Black 1pt solid">/s/&nbsp; J. Russell Porter</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>J. Russell Porter</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>President</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&nbsp;</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>EXHIBIT LIST</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 12%; text-align: left; text-indent: 0in; font-weight: bold; text-decoration: none; border-bottom: Black 1pt solid">Exhibit No.</TD>
    <TD STYLE="width: 2%; text-align: left; text-indent: 0in; font-weight: bold; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="width: 86%; text-align: center; border-bottom: Black 1pt solid; font-weight: bold; text-decoration: none">Description of Document</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-align: center">99.1</TD>
    <TD>&nbsp;</TD>
    <TD>Press release dated May 9, 2012 announcing the Company&rsquo;s financial results for the three months ended March 31, 2012.</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in; text-indent: -0.75in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in; text-indent: -0.75in"></P>

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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 8-K
CURRENT REPORT
PURSUANT TO SECTION 13 OR 15(D) OF THE
SECURITIES EXCHANGE ACT OF 1934
Date of Report (Date of earliest event reported):
May 9, 2012
GASTAR EXPLORATION LTD.
GASTAR EXPLORATION USA, INC.
(Exact Name of Registrant as Specified in
its Charter)
ALBERTA, CANADA
001-32714
98-0570897
DELAWARE
001-35211
38-3531640
(State or other jurisdiction
(Commission
(I.R.S. Employer
of incorporation)
File Number)
Identification No.)
1331 LAMAR STREET, SUITE 650
HOUSTON, TEXAS 77010
(Address of principal executive offices,
including zip code)
(713) 739-1800
(Registrant's telephone number, including
area code)
Check the appropriate box below if the Form 8-K filing is intended
to simultaneously satisfy the filing obligations of the registrant under any of the following provisions:
¨
Written communications pursuant to Rule 425 under the Securities
Act (17 CFR 230.425)
¨
Soliciting material pursuant to Rule 14a-12 under the Exchange
Act (17 CFR 240.14a-12)
¨
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
¨
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
SECTION 2 – FINANCIAL INFORMATION
Item 2.02 Results of Operations and Financial Condition.
On May 9, 2012, Gastar Exploration Ltd.
(NYSE Amex: GST)
(the "Company") issued a press release announcing the Company's
financial results for the three months ended March 31, 2012. A copy of the Company's press release, dated May 9, 2012, is
furnished herewith as Exhibit 99.1 and is incorporated herein by reference.
In accordance with General Instruction B.2
of Form 8-K and the Securities and Exchange Commission Release No. 33-8176, the information presented herein under Item 2.02
and under Item 9.01 related thereto of Form 8-K, shall not be deemed to be "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, and is not deemed to be incorporated by reference into any filing under the Securities Act of 1933, as amended, or
the Exchange Act.
SECTION 9 – FINANCIAL STATEMENTS AND EXHIBITS
Item 9.01. Financial Statements and Exhibits.
(d) Exhibits.
Exhibit No.
Description of Document
99.1
Press release dated May 9, 2012 announcing the Company's financial results for the three months ended March 31, 2012.
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SIGNATURES
Pursuant to the requirements of the Exchange
Act, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
Date:  May 9, 2012
GASTAR EXPLORATION LTD.
By:
/s/  J. Russell Porter
J. Russell Porter
President and Chief Executive Officer
GASTAR EXPLORATION USA, INC.
By:
/s/  J. Russell Porter
J. Russell Porter
President
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EXHIBIT LIST
Exhibit No.
Description of Document
99.1
Press release dated May 9, 2012 announcing the Company's financial results for the three months ended March 31, 2012.
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