X0306 4/A 2014-01-31 2014-02-20 0 0001587732 ONE Gas, Inc. OGS 0001595607 McCormick Joseph L 100 W. 5TH STREET TULSA OK 74103 0 1 0 0 See Remarks Common stock, par value $0.01 2014-01-31 4 J 0 8055 A 8055 D Common stock, par value $0.01 2014-01-31 4 J 0 1440 A 1440 I by ONE Gas 401(k) Plan On January 31, 2014, ONEOK, Inc. ("ONEOK") effected the distribution of 100% of the outstanding shares of common stock of ONE Gas, Inc. ("ONE Gas") held by ONEOK to ONEOK's shareholders (the "Distribution"). As a result of the Distribution, the reporting person received one share of ONE Gas common stock for every four shares of ONEOK common stock held on the record date for the Distribution, January 21, 2014, or a total of 9,491 shares (including those indirectly held) of ONE Gas common stock. The acquisition of shares as a result of the Distribution was exempt pursuant to Rule 16a-9. On February 28, 2014, Reporting Person filed a Form 4/A to correct an administrative error in the number of shares of ONE Gas common stock acquired on January 31, 2014, as part of the Distribution. On each of March 3, March 4, March 14 and May 28, 2014, Reporting Person was issued one share of ONE Gas common stock pursuant to the ONE Gas Employee Share Award Program (the "ESAP Shares"). (Continued from footnote 1) The ESAP Shares were reported by the Reporting Person on Form 4s filed on March 5, March 18 and May 30, 2014. This amendment is being filed to further correct an administrative error in the number of shares of ONE Gas common stock acquired on January 31, 2014, as part of the Distribution, as reported in Columns 4 and 5 of Table I in the Form 4 filed on February 20, 2014, and includes the ESAP Shares. As a result, Columns 4 and 5 of Table I for the Form 4s and Form 4/A filed on behalf of the Reporting Person, dated February 28, March 5, March 18 and May 30, 2014, are also hereby amended to correct this administrative error. This amendment is being filed to correct an administrative error in the number of shares indirectly held of ONE Gas common stock acquired on January 31, 2014, as part of the Distribution, as reported in Columns 4 and 5 of Table I in the Form 4 filed on February 20, 2014. Senior Vice President, General Counsel and Assistant Secretary /s/ Brian K. Shore, Attorney-in-Fact for Joseph L. McCormick 2014-06-04