CHICAGO, IL--(Marketwire - Apr 23, 2012) - On Thursday, May 3, at 8 a.m. Central time, Integrys Energy Group, Inc. (NYSE: TEG) will host a conference call to review first quarter 2012 financial results, as well as future prospects. First quarter 2012 financial results documents will be posted to the company's website after market close on May 2, 2012.

The conference call can be accessed 15 minutes prior to the scheduled start time by dialing 888-788-9425. When prompted, supply EARNINGS as the passcode and MR. STEVEN ESCHBACH as the leader. Callers will be placed on hold with music until the call begins.

A webcast of the event can be accessed at [ http://www.integrysgroup.com/investor/presentations.aspx ].

A replay of the complete conference call will be available from 10 a.m. Central time on May 3, 2012 until August 7, 2012. To access the replay, dial 888-562-2788.

NOTE: As a reminder, Integrys Energy Group's earnings news release, associated financial statements, and other related exhibits are posted on the company's website and not distributed through a wire service. These documents will continue to be filed in a Current Report on Form 8-K with the United States Securities and Exchange Commission. To receive timely notification of financial results, sign up in advance to receive alerts related to the posting of financial news on Integrys Energy Group's website, including earnings results and Form 8-K filings.

About Integrys Energy Group, Inc.

Integrys Energy Group is a diversified energy holding company with regulated natural gas and electric utility operations (serving customers in Illinois, Michigan, Minnesota, and Wisconsin), an approximate 34% equity ownership interest in American Transmission Company (a federally regulated electric transmission company operating in Wisconsin, Michigan, Minnesota, and Illinois), and nonregulated energy operations.

More information about Integrys Energy Group, Inc. is available online at [ www.integrysgroup.com ].