Item 1.01 Entry into a Material Definitive Agreement

On November 13, 2012, ONEOK Partners, L.P., a Delaware limited partnership (the "Partnership"), entered into an Equity Distribution Agreement (the "Agreement") with Citigroup Global Markets Inc. ("Citigroup"). Pursuant to the terms of the Agreement, the Partnership may issue and sell from time to time through or to Citigroup, as the Partnership's sales agent, the Partnership's common units representing limited partner interests having an aggregate offering price of up to $300 million (the "Common Units").

Pursuant to the Agreement, the Common Units may be offered and sold through Citigroup in transactions that are deemed to be "at the market" offerings as defined in Rule 415 of the Securities Act of 1933, as amended, including ordinary brokers' transactions on the New York Stock Exchange, in block transactions or as otherwise agreed to between the Partnership and Citigroup. The Agreement provides that Citigroup, when it is acting as the Partnership's agent, will be entitled to compensation of up to 2.00% of the gross sales price of the Common Units sold through Citigroup from time to time. The Partnership may also sell Common Units to Citigroup as principal for its own account at a price agreed upon at the time of sale. The Partnership has no obligation to sell any of the Common Units under the Agreement, and may at any time suspend solicitation and offers under the Agreement. A copy of the Agreement is attached as Exhibit 1.1 to this Current Report and is incorporated by reference herein.

The Common Units will be issued pursuant to the Partnership's registration statement on Form S-3 (File No. 333-183287). The Partnership filed a prospectus supplement, dated November 13, 2012 with the Securities and Exchange Commission in connection with the offer and sale of the Common Units.

The summary of the Agreement in this report does not purport to be complete and is qualified by reference to such agreement, which is filed as Exhibit 1.1 hereto. Legal opinions relating to the Common Units are included as Exhibits 5.1 and 8.1 hereto.

Item 7.01 Regulation FD Disclosure

The Partnership issued a news release on November 13, 2012, attached hereto as Exhibit 99.1, announcing that it had entered into the Agreement. The information provided in this Item 7.01 is not deemed to be "filed" for purposes of
Section 18 of the Securities Exchange Act of 1934 and is not incorporated by reference into any Securities Act registration statements.

Item 9.01 Financial Statements and Exhibits

(d) Exhibits

Reference is made to the "Exhibit Index" following the signature page, which is hereby incorporated into this item.

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