SECURITIES & EXCHANGE COMMISSION
Washington, D.C. 20549
______________________
SCHEDULE 13G*
(Rule 13d-102)
INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT
TO RULES 13d-1(b), (c) AND (d) AND AMENDMENTS THERETO FILED
PURSUANT TO 13d-2(b)
Pennaco Energy, Inc.
(Name of Issuer)
Common Stock
(Title of Class of Securities)
708046107
(CUSIP Number)
February 29, 2000
(Date of event which requires filing of this statement)
Check the appropriate box to designate the rule pursuant to which this
Schedule 13G is filed:
[ ] Rule 13d-1(b)
[X] Rule 13d-1(c)
[ ] Rule 13d-1(d)
________________
*The remainder of this cover page shall be filled out for a reporting
person's initial filing on this form with respect to the subject class of
securities, and for any subsequent amendment containing information which
would alter the disclosures provided in a prior cover page.
The information required in the remainder of this cover page shall not be
deemed to be "filed" for purposes of Section 18 of the Securities Exchange Act
of 1934 ("Act") or otherwise subject to the liabilities of that section of the
Act but shall be subject to all other provisions of the Act (however, see the
Notes).
<PAGE>
CUSIP No. 708046107 13G
____________________________________________________________________________
(1) NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NO.
OF ABOVE PERSONS (ENTITIES ONLY)
Centennial Energy Partners, L.P.
13-3793743
_____________________________________________________________________________
(2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP **
(a) [ ]
(b) [X]
_____________________________________________________________________________
(3) SEC USE ONLY
_____________________________________________________________________________
(4) CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
_____________________________________________________________________________
NUMBER OF (5) SOLE VOTING POWER
-0-
SHARES ______________________________________________________________
BENEFICIALLY (6) SHARED VOTING POWER
767,600
OWNED BY ___________________________________________________________
EACH (7) SOLE DISPOSITIVE POWER
-0-
REPORTING ______________________________________________________________
PERSON WITH (8) SHARED DISPOSITIVE POWER
767,600
_____________________________________________________________________________
(9) AGGREGATE AMOUNT BENEFICIALLY OWNED
BY EACH REPORTING PERSON
767,600
_____________________________________________________________________________
(10) CHECK BOX IF THE AGGREGATE AMOUNT
IN ROW (9) EXCLUDES CERTAIN SHARES ** [ ]
_____________________________________________________________________________
(11) PERCENT OF CLASS REPRESENTED
BY AMOUNT IN ROW (9)
4.08%
_____________________________________________________________________________
(12) TYPE OF REPORTING PERSON **
PN
_____________________________________________________________________________
** SEE INSTRUCTIONS BEFORE FILLING OUT!
<PAGE>
CUSIP No. 708046107 13G
____________________________________________________________________________
(1) NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NO.
OF ABOVE PERSONS (ENTITIES ONLY)
Tercentennial Energy Partners, L.P.
13-3877256
_____________________________________________________________________________
(2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP **
(a) [ ]
(b) [X]
_____________________________________________________________________________
(3) SEC USE ONLY
_____________________________________________________________________________
(4) CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
_____________________________________________________________________________
NUMBER OF (5) SOLE VOTING POWER
-0-
SHARES ______________________________________________________________
BENEFICIALLY (6) SHARED VOTING POWER
820,800
OWNED BY ___________________________________________________________
EACH (7) SOLE DISPOSITIVE POWER
-0-
REPORTING ______________________________________________________________
PERSON WITH (8) SHARED DISPOSITIVE POWER
820,800
_____________________________________________________________________________
(9) AGGREGATE AMOUNT BENEFICIALLY OWNED
BY EACH REPORTING PERSON
820,800
_____________________________________________________________________________
(10) CHECK BOX IF THE AGGREGATE AMOUNT
IN ROW (9) EXCLUDES CERTAIN SHARES ** [ ]
_____________________________________________________________________________
(11) PERCENT OF CLASS REPRESENTED
BY AMOUNT IN ROW (9)
4.37%
_____________________________________________________________________________
(12) TYPE OF REPORTING PERSON **
PN
_____________________________________________________________________________
** SEE INSTRUCTIONS BEFORE FILLING OUT!
<PAGE>
CUSIP No. 708046107 13G
____________________________________________________________________________
(1) NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NO.
OF ABOVE PERSONS (ENTITIES ONLY)
Quadrennial Partners, L.P.
13-3883223
_____________________________________________________________________________
(2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP **
(a) [ ]
(b) [X]
_____________________________________________________________________________
(3) SEC USE ONLY
_____________________________________________________________________________
(4) CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
_____________________________________________________________________________
NUMBER OF (5) SOLE VOTING POWER
-0-
SHARES ______________________________________________________________
BENEFICIALLY (6) SHARED VOTING POWER
294,700
OWNED BY ___________________________________________________________
EACH (7) SOLE DISPOSITIVE POWER
-0-
REPORTING ______________________________________________________________
PERSON WITH (8) SHARED DISPOSITIVE POWER
294,700
_____________________________________________________________________________
(9) AGGREGATE AMOUNT BENEFICIALLY OWNED
BY EACH REPORTING PERSON
294,700
_____________________________________________________________________________
(10) CHECK BOX IF THE AGGREGATE AMOUNT
IN ROW (9) EXCLUDES CERTAIN SHARES ** [ ]
_____________________________________________________________________________
(11) PERCENT OF CLASS REPRESENTED
BY AMOUNT IN ROW (9)
1.57%
_____________________________________________________________________________
(12) TYPE OF REPORTING PERSON **
PN
_____________________________________________________________________________
** SEE INSTRUCTIONS BEFORE FILLING OUT!
<PAGE>
CUSIP No. 708046107 13G
____________________________________________________________________________
(1) NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NO.
OF ABOVE PERSONS (ENTITIES ONLY)
Centennial Energy Partners, L.L.C.
13-3961810
_____________________________________________________________________________
(2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP **
(a) [ ]
(b) [X]
_____________________________________________________________________________
(3) SEC USE ONLY
_____________________________________________________________________________
(4) CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
_____________________________________________________________________________
NUMBER OF (5) SOLE VOTING POWER
-0-
SHARES ______________________________________________________________
BENEFICIALLY (6) SHARED VOTING POWER
1,883,100
OWNED BY ___________________________________________________________
EACH (7) SOLE DISPOSITIVE POWER
-0-
REPORTING ______________________________________________________________
PERSON WITH (8) SHARED DISPOSITIVE POWER
1,883,100
_____________________________________________________________________________
(9) AGGREGATE AMOUNT BENEFICIALLY OWNED
BY EACH REPORTING PERSON
1,883,100
_____________________________________________________________________________
(10) CHECK BOX IF THE AGGREGATE AMOUNT
IN ROW (9) EXCLUDES CERTAIN SHARES ** [ ]
_____________________________________________________________________________
(11) PERCENT OF CLASS REPRESENTED
BY AMOUNT IN ROW (9)
10.02%
_____________________________________________________________________________
(12) TYPE OF REPORTING PERSON **
OO
_____________________________________________________________________________
** SEE INSTRUCTIONS BEFORE FILLING OUT!
<PAGE>
CUSIP No. 708046107 13G
____________________________________________________________________________
(1) NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NO.
OF ABOVE PERSONS (ENTITIES ONLY)
Peter K. Seldin
_____________________________________________________________________________
(2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP **
(a) [ ]
(b) [X]
_____________________________________________________________________________
(3) SEC USE ONLY
_____________________________________________________________________________
(4) CITIZENSHIP OR PLACE OF ORGANIZATION
United States
_____________________________________________________________________________
NUMBER OF (5) SOLE VOTING POWER
-0-
SHARES ______________________________________________________________
BENEFICIALLY (6) SHARED VOTING POWER
1,883,100
OWNED BY ___________________________________________________________
EACH (7) SOLE DISPOSITIVE POWER
-0-
REPORTING ______________________________________________________________
PERSON WITH (8) SHARED DISPOSITIVE POWER
1,883,100
_____________________________________________________________________________
(9) AGGREGATE AMOUNT BENEFICIALLY OWNED
BY EACH REPORTING PERSON
1,883,100
_____________________________________________________________________________
(10) CHECK BOX IF THE AGGREGATE AMOUNT
IN ROW (9) EXCLUDES CERTAIN SHARES ** [ ]
_____________________________________________________________________________
(11) PERCENT OF CLASS REPRESENTED
BY AMOUNT IN ROW (9)
10.02%
_____________________________________________________________________________
(12) TYPE OF REPORTING PERSON **
IN
_____________________________________________________________________________
** SEE INSTRUCTIONS BEFORE FILLING OUT!
<PAGE>
CUSIP No. 708046107 13G
Item 1(a). Name of Issuer:
The name of the issuer is Pennaco Energy, Inc.
Item 1(b). Address of Issuer's Principal Executive Offices:
The Company's principal executive offices are located at 1050 17th Street,
Suite 700, Denver, Colorado 80265
Item 2(a). Name of Person Filing:
This statement is filed by:
(i) Centennial Energy Partners, L.P. ("Centennial") a Delaware
limited partnership with respect to the shares of Common Stock
directly owned by it;
(ii) Tercentennial Energy Partners, L.P. ("Tercentennial") a Delaware
limited partnership with respect to the shares of Common
Stock directly owned by it;
(iii) Quadrennial Partners, L.P. ("Quadrennial") a Delaware
limited partnership with respect to the shares of Common
Stock directly owned by it;
(iv) Centennial Energy Partners, L.L.C., ("Energy") a limited
liability company organized under the laws of the State of
Delaware, with respect to the shares of Common Stock directly
owned by each of the entities named in (i) through (iii) above;
(v) Peter K. Seldin, with respect to the shares of Common Stock owned
by the entity named in (iv).
Neither Energy nor Peter K. Seldin owns any shares of Common
Stock directly. The foregoing persons are hereinafter sometimes
collectively referred to as the "Reporting Persons."
Item 2(b). Address of Principal Business Office or, if None, Residence:
The address of the business office of each of the Reporting Persons is
900 Third Ave. Suite 1801, New York, New York 10022.
<PAGE>
Item 2(c). Citizenship:
Centennial, Tercentennial and Quadrennial are limited partnerships
organized under the laws of the State of Delaware.
Energy is a limited liability company organized under the laws of the
State of Delaware.
Peter K. Seldin is a United States citizen.
Item 2(d). Title of Class of Securities:
Common Stock par value $.01 per share (the "Common Stock")
Item 2(e). CUSIP Number: 708046107
Item 3. If this statement is filed pursuant to Rules 13d-1(b) or 13d-2(b) or
(c), check whether the person filing is a:
(a) [ ] Broker or dealer registered under Section 15 of the
Act,
(b) [ ] Bank as defined in Section 3(a)(6) of the Act,
(c) [ ] Insurance Company as defined in Section 3(a)(19) of
the Act,
(d) [ ] Investment Company registered under Section 8 of the
Investment Company Act of 1940,
(e) [ ] Investment Adviser registered under Section 203 of the
Investment Advisers Act of 1940,
(f) [ ] Employee Benefit Plan or Endowment Fund in accordance with
13d-1 (b)(1)(ii)(F),
(g) [ ] Parent Holding Company or control person in accordance
with Rule 13d-1 (b)(ii)(G),
(h) [ ] Savings Associations as defined in Section 3(b) of the
Federal Deposit Insurance Act,
(i) [ ] Church Plan that is excluded from the definition of an
investment company under Section 3(c)(14) of the
Investment Company Act of 1940,
(j) [ ] Group, in accordance with Rule 13d-1(b)(1)(ii)(J).
Not applicable.
<PAGE>
Item 4. Ownership.
A. Centennial Energy Partners, L.P.
(a) Amount beneficially owned: 767,600
(b) Percent of class: 4.08% The percentages used herein and in
the rest of Item 4 are calculated based upon the
18,800,000 shares of Common Stock outstanding as reported by
the Company as of February 29, 2000. This information was
provided by the Company over the telephone.
(c)(i) Sole power to vote or direct the vote: -0-
(ii) Shared power to vote or direct the vote: 767,600
(iii) Sole power to dispose or direct the disposition: -0-
(iv) Shared power to dispose or direct the disposition: 767,600
B. Tercentennial Energy Partners, L.P.
(a) Amount beneficially owned: 820,800
(b) Percent of class: 4.37%
(c)(i) Sole power to vote or direct the vote: -0-
(ii) Shared power to vote or direct the vote: 820,800
(iii) Sole power to dispose or direct the disposition: -0-
(iv) Shared power to dispose or direct the disposition: 820,800
C. Quadrennial Partners, L.P.
(a) Amount beneficially owned: 294,700
(b) Percent of class: 1.57%
(c)(i) Sole power to vote or direct the vote: -0-
(ii) Shared power to vote or direct the vote: 294,700
(iii) Sole power to dispose or direct the disposition: -0-
(iv) Shared power to dispose or direct the disposition: 294,700
D. Centennial Energy Partners, L.L.C.
(a) Amount beneficially owned: 1,883,100
(b) Percent of class: 10.02%
(c)(i) Sole power to vote or direct the vote: -0-
(ii) Shared power to vote or direct the vote: 1,883,100
(iii) Sole power to dispose or direct the disposition: -0-
(iv) Shared power to dispose or direct the disposition: 1,883,100
E. Peter K. Seldin
(a) Amount beneficially owned: 1,883,100
(b) Percent of class: 10.02%
(c)(i) Sole power to vote or direct the vote: -0-
(ii) Shared power to vote or direct the vote: 1,883,100
(iii) Sole power to dispose or direct the disposition: -0-
(iv) Shared power to dispose or direct the disposition: 1,883,100
Item 5. Ownership of Five Percent or Less of a Class.
Not applicable.
Item 6. Ownership of More than Five Percent on Behalf of Another Person.
Energy, the general partner of Centennial, Tercentennial and Quadrennial
has the power to dispose of and the power to vote the shares of Common Stock
beneficially owned by each of the foregoing. Peter K. Seldin, as the Managing
Member of Energy, has the power to vote and dispose of the Common Stock
beneficially held by Energy.
<PAGE>
Item 7. Identification and Classification of the Subsidiary Which Acquired
the Security Being Reported on by the Parent Holding Company.
Not applicable.
Item 8. Identification and Classification of Members of the Group.
Not applicable.
Item 9. Notice of Dissolution of Group.
Not applicable.
Item 10. Certification.
Each of the Reporting Persons hereby makes the following certification:
By signing below I certify that, to the best of my knowledge and belief,
the securities referred to above were not acquired and are not held for the
purpose of or with the effect of changing or influencing the control of the
issuer of the securities and were not acquired and are not held in connection
with or as a participant in any transaction having that purpose or effect.
<PAGE>
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: March 7, 2000
Centennial Energy Partners, L.P.
By: /s/ Peter K. Seldin By: /s/ Peter K. Seldin
Peter K. Seldin
Peter K. Seldin
Centennial Energy Partners, L.L.C.
General Partner
Tercentennial Energy Partners, L.P.
By: /s/ Peter K. Seldin
Peter K. Seldin
Centennial Energy Partners, L.L.C.
General Partner
Quadrennial Partners, L.P.
By: /s/ Peter K. Seldin
Peter K. Seldin
Centennial Energy Partners, L.L.C.
General Partner
Centennial Energy Partners, L.L.C.
By: /s/ Peter K. Seldin
Peter K. Seldin
Managing Member
Page 9 of 11
