Commission
File
Number
|
Registrant;
State of Incorporation
Address;
and Telephone Number
|
IRS
Employer
Identification
No.
|
1-11337
|
INTEGRYS
ENERGY GROUP, INC.
(A
Wisconsin
Corporation)
130
East
Randolph Drive
Chicago,
Illinois 60601-6207
(312)
228-5400
|
39-1775292
|
Item
9.01
|
Financial
Statements and Exhibits.
|
||
(a)
|
Not
applicable.
|
||
(b)
|
Not
applicable.
|
||
(c)
|
Not
applicable.
|
||
(d)
|
Exhibits.
The
following exhibit is being filed herewith:
|
||
4.1
|
First
Supplemental Indenture, dated March 5, 2007, by and among Peoples
Energy
Corporation, Integrys Energy Group, Inc. and The Bank of New York
Trust
Company, N.A., as trustee.
|
SIGNATURE
|
|
Pursuant
to
the requirements of the Securities Exchange Act of 1934, the Registrant
has duly caused this report to be signed on its behalf by the undersigned
hereunto duly authorized.
|
|
INTEGRYS
ENERGY GROUP, INC.
By:
/s/ Joseph P. O'Leary
Joseph
P.
O'Leary
Senior
Vice
President
and
Chief
Financial Officer
|
|
Date:
March
9, 2007
|
Exhibit
Number
|
Description
|
4.1
|
First
Supplemental Indenture, dated March 5, 2007, by and among Peoples
Energy
Corporation, Integrys Energy Group, Inc. and The Bank of New York
Trust
Company, N.A., as trustee.
|