EX-23.01 2 exhibit2301.htm EXHIBIT 23.01 - ACCOUNTING FIRM CONSENT exhibit2301.htm
Nicor Inc.
Birdsall, Inc. Retirement Savings Plan
Form 11-K
Exhibit 23.01
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
 
We consent to the incorporation by reference in Registration Statement No. 333-107375 of Nicor Inc. on Form S-8 of our report dated June 15, 2011, relating to the financial statements and supplemental schedule of Birdsall, Inc. Retirement Savings Plan, appearing in this Annual Report on Form 11-K of Birdsall, Inc. Retirement Savings Plan for the year ended December 31, 2010.
 

 
/s/ Deloitte & Touche LLP
 
Chicago, Illinois                                                                                                                                      
June 15, 2011