Name Change Certificate

WPS Energy Services, Inc. changes to Integrys Energy Services, Inc.

Below is the Name Change Certificate issued by Wisconsin's Secretary of State (WPS Energy Services, Inc. state of incorporation) specifically stating WPS Energy Services, Inc.'s name has changed to Integrys Energy Services, Inc. as of the stated effective date.

Advantage Energy, Inc. changes to Integrys Energy Services of New York, Inc.

Below is the Name Change Certificate issued by the New York’s Secretary of State (Advantage Energy, Inc.’s state of incorporation) specifically stating Advantage Energy, Inc.'s name has changed to Integrys Energy Services of New York, Inc. as of the stated effective date.

WPS Energy Services of Texas, LP. changes to Integrys Energy Services of Texas, LP.

Below is the Name Change Certificate from Texas’ Secretary of State specifically stating WPS Energy Services of Texas, LP's name has changed to Integrys Energy Services of Texas, LP as of the stated effective date.

WPS Energy Services of Canada Corp. changes to Integrys Energy Services of Canada Corp.

Below is the Name Change Certificate stating WPS Energy Services of Canada Corp.’s name has changed to Integrys Energy Services of Canada Corp. as of the stated effective date.