SOUTHERN Co GAS (GAS) 10-K 2012 FY Annual report

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in the Registration Statement on Forms S-8 (Nos. 33-50301, 33-62155, 333-01519, 333-02353, 333-26961, 333-26963, 333-86983, 333-86985, 333-86987, 333-75524, 333-97121, 333-104701, 333-115044, 333-127161, 333-136241, 333-142575 333-154965, 333-174375, 333-178497, and 333-178775), S-3 (Nos. 333-168901 and 333-182983) and S-4 (No. 333-172084) of AGL Resources Inc. of our report dated February 6, 2013 relating to the financial statements, financial statement schedule and the effectiveness of internal control over financial reporting, which appears in this Form 10-K.

/s/ PricewaterhouseCoopers LLP

PricewaterhouseCoopers LLP

Atlanta, Georgia

February 6, 2013