PGL Peoples Energy Corp

GREEN BAY, Wis., Feb. 20 /PRNewswire-FirstCall/ -- On Wednesday, February 21, 2007 at 10 a.m. Central Time, Larry L. Weyers, Chairman, President, and Chief Executive Officer of WPS Resources Corporation (NYSE:WPS), will host a conference call regarding its merger with Peoples Energy Corporation (NYSE:PGL). To access the conference call, which is open to the public, call 888-690- 9634 (toll free) 15 minutes prior to the scheduled start time. Callers will be required to supply WPS Resources as the passcode. Callers will be placed on hold with music until the call begins. WPS Resources will webcast the event live at http://www.wpsr.com/investor/presentations.asp . If you are unable to participate in the live event, the conference call will be available for replay from 12 noon Central Time on February 21, 2007 until March 7, 2007 at 11:59 p.m. To access the replay, call 800-801-6152 (toll free). An archive of the webcast will also be available on the company's website at http://www.wpsr.com/investor/presentations.asp . WPS Resources Corporation, based in Green Bay, Wisconsin, is a holding company with both regulated and nonregulated energy-related subsidiaries. Its wholly owned regulated subsidiaries include Wisconsin Public Service Corporation, an electric and natural gas utility; Minnesota Energy Resources Corporation, a natural gas utility; Michigan Gas Utilities Corporation, a natural gas utility; and Upper Peninsula Power Company, an electric utility. Its wholly owned nonregulated subsidiary is WPS Energy Services, Inc. DATASOURCE: WPS Resources Corporation CONTACT: Joseph P. O'Leary, SVP & CFO, +1-920-433-1463, or Donna M. Sheedy, Manager Investor Relations, +1-920-433-1857, both of WPS Resources Corporation Web site: http://www.wpsr.com/ http://www.wpsr.com/investor/presentations.asp

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