News & Events

Results of Operations and Financial Condition On April 28, 2026, we announced our results of operations for the quarter ended March 31, 2026, and increased 2026 financial guidance. The news release is furnished as Exhibit 99.1 and is incorporated by reference herein.

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers On March 20, 2026, Pattye L. Moore informed the Board of Directors (the “Board”) of ONEOK, Inc. (“ONEOK”) of her decision to retire from the Board at the end of her current term and not stand for re-election as a director at ONEOK’s 2026 annual meeting of shareholders (the “Annual Meeting”), which is scheduled for May 20, 2026. Ms. Moore’s current t…

Results of Operations and Financial Condition On February 23, 2026, we announced our results of operations for the fourth quarter and full-year ended December 31, 2025, and announced 2026 financial guidance. The news release is furnished as Exhibit 99.1 and is incorporated by reference herein.

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers New Directors On January 21, 2026, the Board of Directors (the ONEOK Board) of ONEOK, Inc. (ONEOK) elected Mark A. McCollum and Precious Williams Owodunni as directors to the ONEOK Board, effective January 23, 2026. In connection with the election of Mr. McCollum and Ms. Owodunni, the ONEOK Board increased the size of the ONEOK Board from 10 directo…

Results of Operations and Financial Condition On October 28, 2025, we announced our results of operations for the quarter ended September 30, 2025, and affirmed full-year 2025 net income and adjusted EBITDA guidance ranges. The news release is furnished as Exhibit 99.1 and is incorporated by reference herein.

Entry into a Material Definitive Agreement. Issuance of Notes On August 12, 2025, ONEOK, Inc. (“ONEOK”) completed its previously announced underwritten public offering (the “Offering”) of $750 million aggregate principal amount of its 4.950% notes due 2032 (the “2032 Notes”), $1.0 billion aggregate principal amount of its 5.400% notes due 2035 (the “2035 Notes”) and $1.25 billion aggregate principal amount of its 6.250% notes due 2055 (the “2055 Notes” and, together with the 2032 Notes and th…

Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant. The information included under “Supplemental Indentures and Notes” in

Entry into a Material Definitive Agreement. Underwriting Agreement On August 6, 2025, ONEOK, Inc. (“ONEOK”), ONEOK Partners, L.P. (“ONEOK Partners”), ONEOK Partners Intermediate Limited Partnership (“ONEOK Partners Intermediate”), Magellan Midstream Partners, L.P. (“Magellan”), Elk Merger Sub II, L.L.C. (“Elk Merger Sub II”) and EnLink Midstream Partners, LP (“EnLink” and, together with ONEOK Partners, ONEOK Partners Intermediate, Magellan and Elk Merger Sub II, the “Guarantors”) entered into…

Results of Operations and Financial Condition On August 4, 2025, we announced our results of operations for the quarter ended June 30, 2025, and affirmed full-year 2025 financial guidance ranges. The news release is furnished as Exhibit 99.1 and is incorporated by reference herein.

Regulation FD Disclosure On July 16, 2025, we announced that our board of directors declared a quarterly dividend of $1.03 per share of common stock, unchanged from the previous quarter, resulting in an annualized dividend of $4.12 per share. The dividend is payable August 14, 2025, to shareholders of record at the close of business August 1, 2025. A copy of the news release is attached as Exhibit 99.1 and is incorporated herein by reference.

Other Events On July 16, 2025, we announced that our board of directors declared a quarterly dividend of $1.03 per share of common stock, unchanged from the previous quarter, resulting in an annualized dividend of $4.12 per share. The dividend is payable August 14, 2025, to shareholders of record at the close of business August 1, 2025.

Regulation FD Disclosure On June 3, 2025, we announced the acquisition of the remaining 49.9% interest in Delaware G&P LLC from NGP XI Midstream Holdings, L.L.C. for $940 million, consisting of $530 million in cash and $410 million in ONEOK common stock.

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers. ONEOK, Inc. 2025 Equity Incentive Plan At the Annual Meeting of Shareholders (the “Annual Meeting”) of ONEOK, Inc. (the “Company”) held on May 21, 2025 (the “Effective Date”), the Company’s shareholders approved the ONEOK, Inc. 2025 Equity Incentive Plan (the “2025 EIP”), which was approved by the Company’s Board of Directors (the “Board”) on Febru…

Results of Operations and Financial Condition On April 29, 2025, we announced our results of operations for the quarter ended March 31, 2025, and affirmed full-year 2025 financial guidance. The news release is furnished as Exhibit 99.1 and is incorporated by reference herein.

Other Events On April 24, 2025, we announced that our board of directors declared a quarterly dividend of $1.03 per share of common stock, unchanged from the previous quarter, resulting in an annualized dividend of $4.12 per share. The dividend is payable May 15, 2025, to shareholders of record at the close of business May 5, 2025.

Regulation FD Disclosure On April 24, 2025, we announced that our board of directors declared a quarterly dividend of $1.03 per share of common stock, unchanged from the previous quarter, resulting in an annualized dividend of $4.12 per share. The dividend is payable May 15, 2025, to shareholders of record at the close of business May 5, 2025. A copy of the news release is attached as Exhibit 99.1 and is incorporated herein by reference.

Results of Operations and Financial Condition On Feb. 24, 2025, we announced our results of operations for the fourth quarter and full-year ended Dec. 31, 2024. The news release is furnished as Exhibit 99.1 and is incorporated by reference herein.

Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant. The information included in

Entry into a Material Definitive Agreement. New Credit Agreement On February 14, 2025 (the “Closing Date”), ONEOK, Inc. (“ONEOK” or the “Company”), as borrower, entered into a second amended and restated credit agreement (the “New Credit Agreement”) with Citibank, N.A. (“Citibank”), as administrative agent, a swing line lender, a letter of credit issuer and a lender, and each of the other lenders, swing line lenders and letter of credit issuers party thereto (the “Lenders”), pursuant to which…

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers. On February 3, 2025, Charles M. Kelley, Senior Vice President, Commercial Natural Gas Pipelines and a named executive officer in our most recent proxy statement, provided notice of his intention to retire effective March 31, 2025. 2

Entry into a Material Definitive Agreement. Supplemental Indentures On the Closing Date, in connection with the Second Merger, Merger Sub II, EnLink Midstream Partners, LP, a Delaware limited partnership (“ENLK”), and Computershare Trust Company, N.A., as trustee (“Computershare”), entered into a supplemental indenture to each of the respective indentures governing EnLink’s outstanding 5.625% Senior Notes due 2028, 5.375% Senior Notes due 2029, 6.500% Senior Notes due 2030 and 5.650% Senior N…

by reference. As a result of the Mergers, each common unit representing limited liability company interests in EnLink (the “EnLink Units”) issued and outstanding immediately prior to the time the First Merger became effective (the “First Merger Effective Time”), other than those EnLink Units owned by ONEOK, was converted into the right to receive 0.1412 shares (the “Exchange Ratio”) of ONEOK common stock, par value $0.01 (the “ONEOK common stock”). No fractional shares of ONEOK common stock w…

by reference. On January 31, 2025, following the completion of the Mergers, ONEOK effected an internal reorganization of the entities acquired pursuant to the First Merger. In connection with such internal reorganization, (i) ONEOK assumed the obligations of Merger Sub II, as successor in interest to EnLink, and ENLK under each of their respective indentures and the outstanding senior notes issued thereunder (collectively, the “assumed notes”), (ii) Merger Sub II and ENLK provided guarantees…

Regulation FD Disclosure On January 30, 2025, ONEOK, Inc. (“ONEOK”) and EnLink Midstream, LLC (NYSE: ENLC) (“EnLink”) issued a press release announcing that EnLink unitholders approved ONEOK’s previously announced acquisition of the remaining publicly held common units of EnLink. The acquisition is expected to close tomorrow, Jan. 31, 2025. A copy of the news release is attached as Exhibit 99.1 and is incorporated herein by reference. FORWARD-LOOKING STATEMENTS: This communication contains “f…

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers On January 6, 2025, the Board of Directors of ONEOK, Inc. (“ONEOK”) appointed Randy Lentz, 60, as Executive Vice President and Chief Operating Officer of ONEOK, effective as of January 6, 2025. Mr. Lentz has served as the Chief Executive Officer of Medallion Midstream, LLC (“Medallion”) since 2010 and has over 35 years of experience in the midstream…