ONE Gas, Inc. provided earnings guidance for the full year 2021. The company announced that its 2021 net income is expected to be in the range of $198 million to $210 million, with earnings per diluted share of $3.68 to $3.92. The midpoint of 2021 guidance for ONE Gas (the Company) is net income of $204 million, and earnings per diluted share of $3.80.