ONE Gas, Inc.

ONE Gas, Inc. is an Oklahoma-incorporated, 100-percent regulated natural gas distribution utility headquartered in Tulsa, Oklahoma. Its common stock is listed on the NYSE and NYSE Texas under the symbol "OGS" and is part of the S&P MidCap 400 Index. The company is one of the largest publicly traded natural gas utilities in the United States, serving approximately 2.3 million customers. ONE Gas officially separated from ONEOK, Inc. on January 31, 2014, having originated from Oklahoma Natural Gas Company, founded in 1906. The company is the largest natural gas distributor in Oklahoma and Kansas and the third largest in Texas, based on customer count. It primarily serves residential, commercial, and transportation customers across these three states. Key distribution markets include Oklahoma City and Tulsa, Oklahoma; Kansas City, Wichita, and Topeka, Kansas; and Austin and El Paso, Texas. Its three divisions are Oklahoma Natural Gas, Kansas Gas Service, and Texas Gas Service. These divisions distribute natural gas to approximately 89 percent of natural gas distribution customers in Oklahoma, 72 percent in Kansas, and 13 percent in Texas, respectively.