to Holdings in exchange for 6,023,076,923 Class A Units in Holdings (the “Class A Units” and the holder of such units, the “Class A Member”); and (iii) the contribution by Holdings of $9 billion of cash to ONEOK, L.L.C. The Contribution Agreement includes customary representations and warranties by Falcon TopCo, ONEOK and Investor and covenants of the Parties, and the consummation of the Transaction (the “Closing”) is subject to customary conditions, including, among other things, the consumm…

The issuance of the Class A Units to ONEOK and the Class B Units to Investor will be made in reliance upon the exemption from the registration requirements of the Securities Act of 1933, as amended, provided by Section 4(a)(2) thereof as a transaction by an issuer not involving any public offering.

Entry into a Material Definitive Agreement. On August 28, 2026, ONEOK, Inc. (“ONEOK”), Falcon TopCo, Inc. (“Falcon TopCo”), a direct wholly owned subsidiary of ONEOK, ONEOK Holdings, L.L.C. (“Holdings” and together with ONEOK and Falcon TopCo, the “ONEOK Parties”), an indirect wholly owned subsidiary of ONEOK, and AP Falcon Holdings LLC, a Delaware limited liability company and an affiliate of Apollo Global Management, Inc. (“Investor” and together with the ONEOK Parties, the “Parties”), ente…

Results of Operations and Financial Condition On August 3, 2026, we announced our results of operations for the quarter ended June 30, 2026, and increased 2026 financial guidance. The news release is furnished as Exhibit 99.1 and is incorporated by reference herein.

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.

Director — Pattye L. Moore and Gerald B. Smith: Both directors are retiring due to personal decision and mandatory age retirement policy, respectively.

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.

Director — Mark A. McCollum and Precious Williams Owodunni: The company elected two new directors to its board, increasing the size of the board from 10 to 12.

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.

The filing describes the approval of new equity incentive plans and stock award programs, which are routine corporate actions.

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…

Senior Vice President, Commercial Natural Gas Pipelines — Charles M. Kelley: Charles M. Kelley intends to retire.

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…