X0306 4 2014-05-01 0 0001004155 AGL RESOURCES INC GAS 0001403613 Linginfelter Henry P TEN PEACHTREE PLACE ATLANTA GA 30309 0 1 0 0 EVP Common Stock 2014-05-01 4 M 0 14500 39.03 A 70411.97 D Common Stock 2014-05-01 4 S 0 14500 53.572 D 55911.97 D Common Stock 2014-05-01 4 M 0 5300 38.96 A 61211.97 D Common Stock 2014-05-01 4 S 0 5300 53.6407 D 55911.97 D Common Stock 2014-05-01 4 M 0 7100 40.20 A 63011.97 D Common Stock 2014-05-01 4 S 0 7100 53.713 D 55911.97 D Common Stock 23130.8057 I by 401(K) Plan Common Stock 40.8098 I by Non-Qualified Savings Plan Employee Stock Option (right to buy) 39.03 2014-05-01 4 M 0 14500 0.00 D 2009-02-05 2018-02-05 Common Stock 14500 0 D Employee Stock Option (right to buy) 38.96 2014-05-01 4 M 0 5300 0.00 D 2008-01-30 2017-01-30 Common Stock 5300 0 D Employee Stock Option (right to buy) 40.20 2014-05-01 4 M 0 7100 0.00 D 2008-06-15 2017-06-15 Common Stock 7100 0 D The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $53.50 to $53.74, inclusive. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each seperate price within the ranges set forth in this footnote. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $53.525 to $53.77, inclusive. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $53.66 to $53.79, inclusive. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote. Information as of statement dated December 31, 2013. Michelle Johnson, by power of attorney 2014-05-05