X0306 4 2016-07-01 1 0001004155 AGL RESOURCES INC GAS 0001403613 Linginfelter Henry P TEN PEACHTREE PLACE ATLANTA GA 30309 0 1 0 0 EVP Common Stock 2016-07-01 4 M 0 4258.559 A 62517.016 D Common Stock 2016-07-01 4 F 0 2041 66.00 D 60476.016 D Common Stock 2016-07-01 4 M 0 9195.742 A 69671.758 D Common Stock 2016-07-01 4 F 0 4408 66.00 D 65263.758 D Common Stock 2016-07-01 4 D 0 65263.758 D 0 D Common Stock 2016-07-01 4 D 0 25330.303 D 0 I By 401(k) Plan Common Stock 2016-07-01 4 D 0 44.8411 D 0 I By Non-Qualified Savings Plan These shares were issued pursuant to the vesting of performance-based restricted stock units (for which the value of the performance right is not tied solely to the value of an equity security of the Issuer) ("Restricted Stock Units") in accordance with the Agreement and Plan of Merger, dated as of August 23, 2015 (the "Merger Agreement") by and among AGL Resources Inc., The Southern Company and AMS Corp. Restricted Stock Units and restricted stock convert into common stock on a one-for-one basis in accordance with the Merger Agreement. These shares were issued pursuant to the vesting of restricted stock in accordance with the Merger Agreement. Disposed of pursuant to the Merger Agreement in exchange for $66.00 in cash for each share of AGL Resources Inc. common stock held immediately prior to the Effective Time of the merger, as defined in the Merger Agreement. Information as of statement dated March 31, 2016. Disposed of pursuant to the Merger Agreement in exchange for $66.00 in cash for each share of AGL Resources Inc. common stock held immediately prior to the Effective Time of the merger, as defined in the Merger Agreement. Barbara P. Christopher, by power of attorney 2016-07-05