AGL Resources Inc. (AGL Resources) is an energy services holding company engaged in the distribution of natural gas. The Company operates in four operating segments: distribution operations, retail operations, wholesale services and midstream operations. Its distribution operations segment is engaged in the operation, construction and maintenance of approximately 81,300 miles of natural gas pipeline and over 10 storage facilities and provides natural gas to residential, commercial and industrial customers. The retail operations segment provides natural gas commodity and related services. The wholesale services segment is engaged in natural gas storage, gas pipeline arbitrage and provides natural gas asset management and related logistics services for its utilities, as well as for non-affiliated companies. Midstream operations segment consists of the operations of natural gas storage facilities and select pipelines.