<PAGE>
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13D
(Amendment No. 5)
Under the Securities Exchange Act of 1934
Petroglyph Energy, Inc.
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(Name of Issuer)
Common Stock, par value $.01 per share
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(Title of Class of Securities)
71649C101
(CUSIP Number of Class of Securities)
William C. Glynn
III Exploration Company
555 South Cole Road
Boise, Idaho 83709
(208) 377-6000
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(Name, Address and Telephone Number of Person
Authorized to Receive Notices and Communications)
Copies to:
Roger D. Blanc
Willkie Farr & Gallagher
787 Seventh Avenue
New York, NY 10019
(212) 728-8000
November 22, 2000
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(Date of Event which Requires
Filing of this Schedule)
If the filing person has previously filed a statement on Schedule 13G to report
the acquisition which is the subject of this Schedule 13D, and is filing this
schedule because of Rule 13d-1(b)(3) or (4), check the following: [ ]
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SCHEDULE 13D
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CUSIP No. 71649C101 Page 2 of 8 Pages
-------------------- -----------------
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1 NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
III Exploration Company I.D. #82-0456309
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2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ ]
(b) [X]
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3 SEC USE ONLY
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4 SOURCE OF FUNDS*
N/A
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5 CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDING IS REQUIRED PURSUANT
TO ITEMS 2(d) or 2(e) [ ]
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6 CITIZENSHIP OR PLACE OF ORGANIZATION
Idaho
--------------------- --------- ------------------------------------------------
7 SOLE VOTING POWER
0
--------- ------------------------------------------------
8 SHARED VOTING POWER
NUMBER OF
SHARES 3,903,392
BENEFICIALLY
OWNED BY --------- ------------------------------------------------
EACH 9 SOLE DISPOSITIVE POWER
REPORTING
PERSON WITH 0
--------- ------------------------------------------------
10 SHARED DISPOSITIVE POWER
3,903,392
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11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH PERSON
3,903,392
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12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN
SHARES* [ ]
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13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
60.4%
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14 TYPE OF REPORTING PERSON*
CO
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*SEE INSTRUCTIONS BEFORE FILLING OUT!
INCLUDE BOTH SIDES OF THE COVER PAGE, RESPONSES TO ITEMS 1-7
(INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE ATTESTATION.
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SCHEDULE 13D
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CUSIP No. 71649C101 Page 3 of 8 Pages
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1 NAME OF REPORT PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Intermountain Industries, Inc. I.D. #82-0393036
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2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ ]
(b) [X]
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3 SEC USE ONLY
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4 SOURCE OF FUNDS*
WC
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5 CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDING IS REQUIRED PURSUANT
TO ITEMS 2(d) or 2(e) [ ]
----------- --------------------------------------------------------------------
6 CITIZENSHIP OR PLACE OF ORGANIZATION
Idaho
--------------------- --------- ------------------------------------------------
7 SOLE VOTING POWER
0
--------- ------------------------------------------------
8 SHARED VOTING POWER
NUMBER OF
SHARES 3,903,392
BENEFICIALLY
OWNED BY --------- ------------------------------------------------
EACH 9 SOLE DISPOSITIVE POWER
REPORTING
PERSON WITH 0
--------- ------------------------------------------------
10 SHARED DISPOSITIVE POWER
3,903,392
----------- --------------------------------------------------------------------
11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH PERSON
3,903,392
----------- --------------------------------------------------------------------
12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN
SHARES* [ ]
----------- --------------------------------------------------------------------
13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
60.4%
----------- --------------------------------------------------------------------
14 TYPE OF REPORTING PERSON*
HC
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*SEE INSTRUCTIONS BEFORE FILLING OUT!
INCLUDE BOTH SIDES OF THE COVER PAGE, RESPONSES TO ITEMS 1-7
(INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE ATTESTATION.
<PAGE>
SCHEDULE 13D
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CUSIP No. 71649C101 Page 4 of 8 Pages
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1 NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Century Partners - Idaho Limited Partnership I.D. #13-3240674
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2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ ]
(b) [X]
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3 SEC USE ONLY
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4 SOURCE OF FUNDS*
N/A
----------- --------------------------------------------------------------------
5 CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDING IS REQUIRED PURSUANT
TO ITEMS 2(d) or 2(e) [ ]
----------- --------------------------------------------------------------------
6 CITIZENSHIP OR PLACE OF ORGANIZATION
Idaho
--------------------- --------- ------------------------------------------------
7 SOLE VOTING POWER
0
--------- ------------------------------------------------
8 SHARED VOTING POWER
NUMBER OF
SHARES 3,903,392
BENEFICIALLY
OWNED BY --------- ------------------------------------------------
EACH 9 SOLE DISPOSITIVE POWER
REPORTING
PERSON WITH 0
--------- ------------------------------------------------
10 SHARED DISPOSITIVE POWER
3,903,392
----------- --------------------------------------------------------------------
11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH PERSON
3,903,392
----------- --------------------------------------------------------------------
12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN
SHARES* [ ]
----------- --------------------------------------------------------------------
13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
60.4%
----------- --------------------------------------------------------------------
14 TYPE OF REPORTING PERSON*
PN
----------- --------------------------------------------------------------------
*SEE INSTRUCTIONS BEFORE FILLING OUT!
INCLUDE BOTH SIDES OF THE COVER PAGE, RESPONSES TO ITEMS 1-7
(INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE ATTESTATION.
<PAGE>
SCHEDULE 13D
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CUSIP No. 71649C101 Page 5 of 8 Pages
-------------------- -----------------
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1 NAME OF REPORT PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Richard Hokin
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2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ ]
(b) [X]
----------- --------------------------------------------------------------------
3 SEC USE ONLY
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4 SOURCE OF FUNDS*
N/A
----------- --------------------------------------------------------------------
5 CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDING IS REQUIRED PURSUANT
TO ITEMS 2(d) or 2(e) [ ]
----------- --------------------------------------------------------------------
6 CITIZENSHIP OR PLACE OF ORGANIZATION
United States
--------------------- --------- ------------------------------------------------
7 SOLE VOTING POWER
0
--------- ------------------------------------------------
8 SHARED VOTING POWER
NUMBER OF
SHARES 3,903,392
BENEFICIALLY
OWNED BY --------- ------------------------------------------------
EACH 9 SOLE DISPOSITIVE POWER
REPORTING
PERSON WITH 0
--------- ------------------------------------------------
10 SHARED DISPOSITIVE POWER
3,903,392
----------- --------------------------------------------------------------------
11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH PERSON
3,903,392
----------- --------------------------------------------------------------------
12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN
SHARES* [ ]
----------- --------------------------------------------------------------------
13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
60.4%
----------- --------------------------------------------------------------------
14 TYPE OF REPORTING PERSON*
IN
----------- --------------------------------------------------------------------
*SEE INSTRUCTIONS BEFORE FILLING OUT!
INCLUDE BOTH SIDES OF THE COVER PAGE, RESPONSES TO ITEMS 1-7
(INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE ATTESTATION.
<PAGE>
This Amendment No. 5 amends the Schedule 13D filed on August 30, 1999 (as
amended by Amendments No. 1, 2, 3 and 4, the "Schedule 13D") on behalf of III
Exploration Company, an Idaho corporation ("Exploration"), Intermountain
Industries, Inc., an Idaho corporation ("Intermountain"), Century Partners-Idaho
Limited Partnership, an Idaho limited partnership ("Century") and Richard Hokin,
an individual ("Hokin" and together with Exploration, Intermountain and Century,
the "Reporting Persons"), relating to the common stock, par value $.01 per
share, of Petroglyph Energy, Inc. (the "Company"), a Delaware corporation.
Unless otherwise indicated herein, each capitalized term used but not defined
herein shall have the meaning assigned to such term in the Schedule 13D.
Item 4. Purpose of Transaction.
Item 4 is hereby amended by adding the following paragraph at the end of
such Item.
On November 22, 2000, III Exploration and the Company entered into
Amendment No. 2 (the "Amendment")to the Agreement and Plan of Merger dated June
20, 2000 (as amended on August 24, 2000, the "Agreement"). Pursuant to the
Amendment, either party may terminate the Agreement if the Merger is not
consummated on or before December 31, 2000. The Amendment also increases the
amount of debt which may be incurred by Petroglyph to $26 million.
Item 7. Material to be Filed as Exhibits.
6 of 8
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1. Amendment No. 2 to the Agreement and Plan of Merger, dated November 22,
2000, between III Exploration and the Company.
7 of 8
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SIGNATURES
After reasonable inquiry and to the best of our knowledge and belief, the
undersigned certify that the information set forth in this statement is true,
complete and correct.
Dated: November 22, 2000 III EXPLORATION COMPANY
By: /s/ Jeffrey K. Lebens
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Jeffrey K. Lebens,
Treasurer and Assistant
Secretary
Dated: November 22, 2000 INTERMOUNTAIN INDUSTRIES, INC.
By: /s/ William C. Glynn
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William C. Glynn,
President
Dated: November 22, 2000 CENTURY PARTNERS-IDAHO
LIMITED PARTNERSHIP
By: /s/ Richard Hokin
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Richard Hokin
General Partner
Dated: November 22, 2000 /s/ Richard Hokin
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Richard Hokin
8 of 8
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Exhibit Index
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1. Amendment No. 2 to Agreement and Plan of Merger, dated November 22,
2000, between III Exploration and the Company
