Item Other Events
8.01

On June 11, 2009, Integrys Energy Group, Inc. (the "Company") issued $155,000,000 aggregate principal amount of its Senior Notes, consisting of $100,000,000 principal amount of its 7.27% Senior Notes Due June 1, 2014 and $55,000,000 principal amount of its 8.00% Senior Notes Due June 1, 2016, (the "Senior Notes") in a private placement through Banc of America Securities LLC, J.P. Morgan Securities Inc., Citigroup Global Markets Inc. and UBS Securities LLC. In connection with the offering of the Senior Notes, final versions of the following are filed herewith, which created the Senior Notes: (1) the Third Supplemental Indenture, dated June 1, 2009, by and between the Company and U.S. Bank National Association, as trustee; and (2) the Fourth Supplemental Indenture, dated June 1, 2009, by and between the Company and U.S. Bank National Association, as trustee.

Item Financial Statements and Exhibits.
9.01

(a) Not applicable

(b) Not applicable

(c) Not applicable

(d) Exhibits. The following exhibits are being filed herewith:

(4.1) Third Supplemental Indenture, dated as of June 1, 2009, by and between Integrys Energy Group, Inc. and U.S. Bank National Association (successor to Firstar Bank, National Association)

(4.2) Fourth Supplemental Indenture, dated as of June 1, 2009, by and between Integrys Energy Group, Inc. and U.S. Bank National Association (successor to Firstar Bank, National Association)

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