Nicor to Hold Conference Call for 2009 Year-End Earnings on February 24, 2010

Nicor Inc. (NYSE:GAS) announced today that it is holding a conference call to discuss its 2009 financial results and 2010 earnings outlook. The conference call will be held on Wednesday, February 24, 2010, at 8:30 a.m. Central, 9:30 a.m. Eastern time. Earnings information will be released before the market opens on the morning of Wednesday, February 24, 2010.

To hear the conference call live, please log on to Nicor’s corporate website at www.nicor.com, choose "Investor” and then select the webcast icon on the "Overview” page. A replay of the call will be available until 10:30 a.m. Central time, Thursday, March 11, 2010. To access the recording, call 888-286-8010, or 617-801-6888 for callers outside the United States, and enter reservation number 33340978. The call will also be archived on Nicor’s corporate website for 90 days.

Nicor Inc. (NYSE:GAS) is a holding company and is a member of the Standard & Poor’s 500 Index. Its primary business is Nicor Gas, one of the nation’s largest natural gas distribution companies. Nicor owns Tropical Shipping, a containerized shipping business serving the Caribbean region and the Bahamas. In addition, the company owns and/or has an equity interest in several energy-related businesses. For more information, visit the Nicor website at www.nicor.com.