SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
PURSUANT TO SECTION 13 OR 15(d) OF THE
SECURITIES EXCHANGE ACT OF 1934
(Date of report)
January 23, 2013
(Date of earliest event reported)
January 22, 2013
ONEOK PARTNERS, L.P.
(Exact name of registrant as specified in its charter)
(State or other jurisdiction
100 West Fifth Street; Tulsa, OK
(Address of principal executive offices)
(Registrant's telephone number, including area code)
(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))
Regulation FD Disclosure
On January 22, 2013, ONEOK, Inc. and ONEOK Partners, L.P. announced they will release their fourth-quarter and year-end 2012 earnings after the market closes on February 25, 2013, and will hold a joint conference call and live webcast at 11 a.m. Eastern Standard Time (10 a.m. Central Standard Time) Tuesday, February 26, 2013. The call will also be carried live on the ONEOK and ONEOK Partners websites. A copy of the news release is attached as Exhibit 99.1 and is incorporated herein by reference.
The information disclosed in this Item 7.01, including Exhibit 99.1 hereto, is being furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the Exchange Act), or otherwise subject to the liabilities under that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act except as expressly set forth by specific reference in such filing.
Financial Statements and Exhibits
99.1 News release issued by ONEOK, Inc. and ONEOK Partners, L.P. dated January 22, 2013.
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.,
January 23, 2013
/s/ Derek S. Reiners
Derek S. Reiners
Senior Vice President,
Chief Financial Officer and