Joint Filing Agreement
The undersigned hereby agree that the statement on Schedule 13D with
respect to the shares of Common Stock of Petroglyph Energy, Inc. is, and any
amendment thereto signed by each of the undersigned shall be, filed on behalf of
each undersigned pursuant to and in accordance with the provisions of 13d-1(k)
under the Securities Exchange Act of 1934, as amended.
Dated: August 30, 1999 III EXPLORATION COMPANY
By: /s/ Xxxxxxx X. Xxxxxx
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Xxxxxxx X. Xxxxxx,
Treasurer and Assistant
Secretary
Dated: August 30, 1999 INTERMOUNTAIN INDUSTRIES, INC.
By: /s/ Xxxxxxx X. Xxxxx
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Xxxxxxx X. Xxxxx,
President
Dated: August 30, 1999 CENTURY PARTNERS-IDAHO LIMITED
PARTNERSHIP
By: /s/ Xxxxxxx Xxxxx
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Xxxxxxx Xxxxx
General Partner
Dated: August 30, 1999 /s/ Xxxxxxx Xxxxx
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Xxxxxxx Xxxxx
