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. The Company's distribution operations segment operates, constructs and maintains around 80,700 miles of natural gas pipeline and 14 storage facilities to provide 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.