For Release: 12/11/2008

MGU Reminds Customers of Carbon Monoxide

Monroe, MI – With another winter season bearing down, Michigan Gas Utilities, a subsidiary of Integrys Energy Group (NYSE: TEG), offers a note of caution about carbon monoxide to its customers.

"We're all aware of energy costs and sealing a home against cold air is good practice; however, we need to be careful not to overdo it" said Paul Livernois, spokesman for Michigan Gas Utilities (MGU). "The tighter the home, the greater the need for adequate ventilation. Any flame-producing appliance must have a certain amount of air to burn efficiently," Livernois added. When homes are over-winterized, such as by wrapping windows and doors with plastic, the amount of air that circulates inside the home is reduced and sometimes there is not enough ventilation for the flame to burn properly.

Buying a carbon monoxide detector or checking the status of your existing detector is a good idea.

Be suspicious of potential carbon monoxide buildup if any of these signs are noticeable:

Contact emergency services (911) if you need assistance.

MGU recommends the following precautions to avoid a carbon monoxide situation:

"The key to winter is to have a comfortable home. Sometimes there is a fine line between a home being comfortable and being just a little too tight. If your home or that of a family member does not have a CO detector, consider purchasing one this holiday season." Livernois said.

Discount on Alarms

MGU has partnered with First Alert to offer a 10 percent discount on all their Carbon Monoxide (CO) alarms, CO-Smoke combinations and One-Link wireless alarms. More information is available in your December gas bill or online at www.michigangasutilities.com.

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