Exhibit
1
We, the signatories of the statement on Schedule 13G filed with respect to the shares of
Common Stock, par value $0.01 per share, of Alpha Natural Resources, Inc., a Delaware corporation,
to which this Agreement is attached, hereby agree this 8th day of February, 2006, that
such statement is, and any amendments thereto filed by any of us will be, filed on behalf of each
of us pursuant to and in accordance with the provisions of Rule 13d-1(k) of the Securities Exchange
Act of 1934, as amended.
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FIRST RESERVE GP IX, INC.
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By: |
/s/ Xxxx X. Gold
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Xxxx X. Gold, Assistant Secretary |
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FIRST RESERVE GP IX, L.P.
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By: |
First Reserve GP IX, Inc.,
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Its General Partner |
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By: |
/s/ Xxxx X. Gold
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Xxxx X. Gold, Assistant Secretary |
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FIRST RESERVE FUND IX, L.P.
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By: |
First Reserve GP IX, L.P.,
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Its General Partner |
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By: |
First Reserve GP IX, Inc.,
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Its General Partner |
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By: |
/s/ Xxxx X. Gold
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Xxxx X. Gold, Assistant Secretary |
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