ONE Gas, Inc. 424B5Registration Statements (S-1 / prospectus)

Risk Factors

RISK FACTORS S-6 USE OF PROCEEDS S-8 CAPITALIZATION S-9 DESCRIPTION OF THE NOTES S-10 U.S. FEDERAL INCOME TAX CONSIDERATIONS FOR NON-U.S. HOLDERS S-18 UNDERWRITING (CONFLICTS OF INTEREST) S-21 LEGAL MATTERS S-27 EXPERTS S-28 CAUTIONARY STATEMENT REGARDING FORWARD-LOOKING STATEMENTS S-29 WHERE YOU CAN FIND MORE INFORMATION S-32 ABOUT THIS PROSPECTUS 1 WHERE YOU CAN FIND MORE INFORMATION 1 INCORPORATION BY REFERENCE 2 FORWARD-LOOKING STATEMENTS 3 ABOUT ONE GAS 6 RISK FACTORS 6 USE OF PROCEEDS 6 DESCRIPTION OF DEBT SECURITIES 7 DESCRIPTION OF CAPITAL STOCK 22 DESCRIPTION OF STOCK PURCHASE CONTRACTS AND STOCK PURCHASE CONTRACT UNITS 29 DESCRIPTION OF DEPOSITARY SHARES 30 DESCRIPTION OF WARRANTS 32 PLAN OF DISTRIBUTION 33 LEGAL MATTERS 34 EXPERTS 34 S-i This document is in two parts. The first part is this prospectus supplement, which describes the specific terms of this offering. The second part is the accompanying base prospectus, which gives more general information, some of which may not apply to this offering of notes. Generally, when we refer only to the “prospectus,” we are referring to both parts combined. If information varies between this prospectus supplement and the accompanying base prospectus, you should rely on the information in this prospectus supplement. Any statement made in this prospectus supplement, the accompanying base prospectus or in a document incorporated into this prospectus supplement or the accompanying base prospectus will be deemed to be modified or superseded for purposes of this prospectus supplement to the extent that a statement contained in this prospectus supplement, the accompanying base prospectus or in any other subsequently filed document that is also incorporated by reference into this prospectus supplement modifies or supersedes that statement. Any statement so modified or superseded will not be deemed, except as so modified or superseded, to constitute a part of this prospectus supplement or the accompanying base prospectus. Please read “Where You Can Find More Information” and “Incorporation by Reference” in this prospectus supplement and the accompanying base prospectus. We and the underwriters have not authorized anyone else to provide you with information different from that contained in or incorporated by reference into this prospectus supplement and the accompanying base prospectus, including any free writing pr