UNITED STATES


SECURITIES AND EXCHANGE COMMISSION


Washington, D.C. 20549





FORM 8-K





CURRENT REPORT


PURSUANT TO SECTION 13 OR 15(d) OF THE


SECURITIES EXCHANGE ACT OF 1934





(Date of report)February 3, 2016(Date of earliest event reported)January 29, 2016





ONEOK PARTNERS, L.P.


(Exact name of registrant as specified in its charter)





Delaware1-1220293-1120873(State or other jurisdiction(Commission(IRS Employerof incorporation)File Number)Identification No.)





100 West Fifth Street; Tulsa, OK


(Address of principal executive offices)





74103


(Zip code)





(918) 588-7000


(Registrant’s telephone number, including area code)





Not Applicable


(Former name or former address, if changed since last report)





Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:





[] Written communication pursuant to Rule 425 under the Securities Act (17 CFR 230.425)





[] Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)





[] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))





[] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))










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Item 1.01Entry into a Material Definitive AgreementEffective January 29, 2016, we entered into an extension agreement (the “Extension Agreement”) related to our $2.4 billion amended and restated revolving credit agreement, effective as of January 31, 2014 (as modified by the increase and joinder agreement dated as of March 10, 2015, the “Credit Agreement”), with Citibank, N.A., as administrative agent, swingline lender, a letter of credit issuer and a lender, and the other lenders and letter of credit issuers party thereto.  The Extension Agreement extends the expiration date of the Credit Agreement from January 31, 2019, to January 31, 2020.All other terms and conditions of the Credit Agreement remain in full force and effect.The foregoing description of the Extension Agreement is not complete and is in all respects subject to the actual provisions of the Extension Agreement, a copy of which has been filed as Exhibit 10.1 to this Current Report on Form 8-K and which is incorporated by reference herein.Item 9.01Financial Statements and Exhibits(d)ExhibitsExhibitNumberDescription10.1Extension Agreement, dated as of January 29, 2016, among ONEOK Partners, L.P., Citibank, N.A., as administrative agent, swingline lender, a letter of credit issuer and a lender, and the other lenders and letter of credit issuers parties thereto.


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SIGNATURE





Pursuant to the requirements of the Exchange Act, the registrant has duly caused this report to be signed on its behalf by the undersigned, hereunto duly authorized.





ONEOK Partners, L.P.By:  ONEOK Partners GP, L.L.C., itsGeneral PartnerDate:February 3, 2016By:/s/ Derek S. ReinersDerek S. ReinersSenior Vice President,Chief Financial Officer andTreasurer





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EXHIBIT INDEX








ExhibitNumberDescription10.1Extension Agreement, dated as of January 29, 2016, among ONEOK Partners, L.P., Citibank, N.A., as administrative agent, swingline lender, a letter of credit issuer and a lender, and the other lenders and letter of credit issuers parties thereto.








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