Item 15. EXHIBITS, FINANCIAL STATEMENT SCHEDULES

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Item 15. EXHIBITS, FINANCIAL STATEMENT SCHEDULES


(1) Financial Statements			Page No.

	(a)	Report of Independent Registered Public Accounting Firm (PCAOB ID: 238)	64

	(b)	Consolidated Statements of Income for the years ended Dec. 31, 2024, 2023 and 2022	67

	(c)	Consolidated Statements of Comprehensive Income for the years ended Dec. 31, 2024, 2023 and 2022	67

	(d)	Consolidated Balance Sheets as of Dec. 31, 2024 and 2023	68

	(e)	Consolidated Statements of Cash Flows for the years ended Dec. 31, 2024, 2023 and 2022	69

	(f)	Consolidated Statements of Changes in Equity for the years ended Dec. 31, 2024, 2023 and 2022	70

	(g)	Notes to Consolidated Financial Statements	71 - 113

(2) Financial Statements Schedules

	All schedules have been omitted because of the absence of conditions under which they are required.


(3) Exhibits

	2	Agreement and Plan of Merger, dated as of May 14, 2023, by and among ONEOK, Inc., Otter Merger Sub, LLC and Magellan Midstream Partners, L.P. (incorporated by reference from Exhibit 2.1 to ONEOK, Inc.’s Current Report on Form 8-K, filed May 15, 2023 (File No. 1-13643)).

	2.1	Purchase Agreement, dated as of Aug. 28, 2024, by and among ONEOK, Inc., GIP III Stetson I, L.P., GIP III Stetson II, L.P. and EnLink Midstream Manager, LLC (incorporated by reference from Exhibit 2.1 to ONEOK Inc.’s Current Report on Form 8-K, filed Aug. 30, 2024 (File No. 1-13643)).

	2.2	Purchase and Sale Agreement, dated as of Aug. 28, 2024, by and among ONEOK, Inc., GIP III Trophy GP 2, LLC, GIP III Trophy Acquisition Partners, L.P. and Medallion Management, L.P. (incorporated by reference from Exhibit 2.2 to ONEOK Inc.’s Current Report on Form 8-K, filed Aug. 30, 2024 (File No. 1-13643)).

	2.3	Agreement and Plan of Merger, d ate d as of No v. 24, 202 4 , by and among ONEOK, I nc., Elk Merger Sub I, L.L.C., Elk Merger Sub II, L.L.C., En Link Midstream LLC and EnLink Midstream Manager, LLC (incorporated by reference from Exhibit 2.1 to O NEOK Inc.’s Curre n t Report on Form 8-K , filed Nov. 25, 2024 (File No. 1-13643)).

	3	Amended and Restated Certificate of Incorporation of ONEOK, Inc., dated July 3, 2017, as amended (incorporated by reference from Exhibit 3.2 to ONEOK, Inc.’s Quarterly Report on Form 10-Q for the quarter ended Sept . 30, 2017, filed Nov . 1, 2017 (File No. 1-13643)).

	3.1	Amended and Restated By-laws of ONEOK, Inc. (incorporated by reference from Exhibit 3.1 to ONEOK Inc.’s Current Report on Form 8-K filed Feb . 24, 2023 (File No. 1-13643)).


			3.2			Certificate of Designation for Convertible Preferred Stock of WAI, Inc. (now ONEOK, Inc.) filed Nov . 21, 2008 (incorporated by reference from Exhibit 3.1 to ONEOK, Inc.’s Quarterly Report on Form 10-Q for the quarter ended June 30, 2012, filed Aug . 1, 2012 (File No. 1-13643)).

			3.3			Certificate of Designation for Series C Participating Preferred Stock of ONEOK, Inc. filed Nov . 21, 2008 (incorporated by reference from Exhibit No. 3.1 to ONEOK, Inc.’s Quarterly Report on Form 10-Q for the quarter ended June 30, 2012, filed Aug . 1, 2012 (File No. 1-13643)).

			3.4			Certificate of Designation, Preferences and Rights of Series E Non-Voting Perpetual Preferred Stock of ONEOK, Inc. filed April 20, 2017 (incorporated by reference from Exhibit No. 3.1 to ONEOK, Inc.’s Current Report on Form 8-K filed April 20, 2017 (File No. 1-13643)).

			4			Form of Common Stock Certificate (incorporated by reference from Exhibit 1 to ONEOK, Inc.’s Registration Statement on Form 8-A filed Nov. 21, 1997 (File No. 1-13643)).

			4.1			Second Supplemental Indenture, dated as of Sept. 25, 1998, between ONEOK, Inc. and Chase Bank of Texas, as trustee, with respect to the 6.875% Debentures due 2028 (incorporated by reference from Exhibit 5(b) to ONEOK, Inc.’s Current Report on Form 8-K/A filed Oct. 2, 1998 (File No. 1-13643)).

			4.2			Fifth Supplemental Indenture, dated as of June 30, 2017, by and among ONEOK, Inc., ONEOK Partners, L.P., ONEOK Partners Intermediate Limited Partnership and The Bank of New York Mellon Trust, as trustee (incorporated by reference from Exhibit 4.1 to ONEOK Inc.’s Current Report on Form 8-K filed July 3, 2017 (File No. 1-13643)).

			4.3			Sixth Supplemental Indenture, dated as of Sept . 25, 2023, by and among ONEOK, Inc., ONEOK Partners, L.P., ONEOK Partners Intermediate Limited Partnership, Magellan Midstream Partners, L.P. and The Bank of New York Mellon Trust, as trustee (incorporated by reference from Exhibit 4.1 to ONEOK Inc.’s Current Report on Form 8-K filed Sept . 25, 2023 (File No. 1-13643)).

			4.4			Indenture, dated as of Dec. 28, 2001, between ONEOK, Inc. and SunTrust Bank, as trustee (incorporated by reference from Exhibit 4.1 to Amendment No. 1 to ONEOK, Inc.’s Registration Statement on Form S-3 filed Dec. 28, 2001 (File No. 333-65392)).

			4.5			Third Supplemental Indenture, dated as of June 17, 2005, between ONEOK, Inc. and SunTrust Bank, as trustee, with respect to the 6.00% Senior Notes due 2035 (incorporated by reference from Exhibit 4.3 to ONEOK, Inc.’s Current Report on Form 8-K filed June 17, 2005 (File No. 1-13643)).

			4.6			Fourth Supplemental Indenture, dated as of June 30, 2017, by and among ONEOK, Inc., ONEOK Partners, L.P., ONEOK Partners Intermediate Limited Partnership and U.S. Bank National Association, as trustee, with respect to the 6.00% Senior Notes due 2035 (incorporated by reference from Exhibit 4.3 to ONEOK Inc.’s Current Report on Form 8-K filed July 3, 2017 (File No. 1-13643)).

			4.7			Fifth Supplemental Indenture, dated as of July 13, 2017, by and among ONEOK, Inc., ONEOK Partners, L.P., ONEOK Partners Intermediate Limited Partnership and U.S. Bank National Association, as trustee, with respect to the 4.95% Senior Notes due 2047 (incorporated by reference from Exhibit 4.2 to ONEOK Inc.’s Current Report on Form 8-K filed July 13, 2017 (File No. 1-13643)).

			4.8			Indenture, dated as of Jan. 26, 2012, among ONEOK, Inc. and U.S. Bank National Association, as trustee (incorporated by reference to Exhibit 4.1 to ONEOK, Inc.’s Current Report on Form 8-K filed Jan. 26, 2012 (File No. 1-13643)).


			4.9			Third Supplemental Indenture, dated as of June 30, 2017, by and among ONEOK, Inc., ONEOK Partners, L.P., ONEOK Partners Intermediate Limited Partnership and U.S. Bank National Association, as trustee (incorporated by reference from Exhibit 4.2 to ONEOK Inc.’s Current Report on Form 8-K filed July 3, 2017 (File No. 1-13643)).

			4.10			Fourth Supplemental Indenture, dated as of July 13, 2017, by and among ONEOK, Inc., ONEOK Partners, L.P., ONEOK Partners Intermediate Limited Partnership and U.S. Bank National Association, as trustee, with respect to the 4.00% Senior Notes due 2027 (incorporated by reference from Exhibit 4.1 to ONEOK Inc.’s Current Report on Form 8-K filed July 13, 2017 (File No. 1-13643)).

			4.11			Fifth Supplemental Indenture, dated as of July 13, 2017, by and among ONEOK, Inc., ONEOK Partners, L.P., ONEOK Partners Intermediate Limited Partnership and U.S. Bank National Association, as trustee, with respect to the 4.95% Senior Notes due 2047 (incorporated by reference from Exhibit 4.2 to ONEOK Inc.’s Current Report on Form 8-K filed July 13, 2017 (File No. 1-13643)).

			4.12			Sixth Supplemental Indenture, dated as of July 2, 2018, among ONEOK, Inc., ONEOK Partners, L.P., ONEOK Partners Intermediate Limited Partnership and U.S. Bank National Association, as trustee, with respect to the 4.55% Senior Notes due 2028 (incorporated by reference from Exhibit No. 4.1 to ONEOK, Inc.’s Current Report on Form 8-K filed July 2, 2018 (File No. 1-13643))

			4.13			Seventh Supplemental Indenture, dated as of July 2, 2018, among ONEOK, Inc., ONEOK Partners, L.P., ONEOK Partners Intermediate Limited Partnership and U.S. Bank National Association, as trustee, with respect to the 5.20% Senior Notes due 2048 (incorporated by reference from Exhibit No. 4.2 to ONEOK, Inc.’s Current Report on Form 8-K filed July 2, 2018 (File No. 1-13643)

			4.14			Eighth Supplemental Indenture, dated as of March 13, 2019, among ONEOK, Inc., ONEOK Partners, L.P., ONEOK Partners Intermediate Limited Partnership and U.S. Bank National Association, as trustee, with respect to the 4.35% Senior Notes due 2029 (incorporated by reference from Exhibit No. 4.2 to ONEOK, Inc.’s Current Report on Form 8-K filed March 13, 2019 (File No. 1-13643)).

			4.15			Ninth Supplemental Indenture, dated March 13, 201 9 , among ONEOK Partners, L.P., ONEOK Partners Intermediate Limited Partnership and Wells Fargo Bank, N.A., as trustee, with respect to the 5.20 % Senior Notes due 20 48 (incorporated by reference from Exhibit 4.3 to ONEOK Partners, L.P.’s Current Report on Form 8-K filed March 13, 201 9 (File No. 1-12202)).

			4.16			Tenth Supplemental Indenture, dated as of Aug. 15, 2019, among ONEOK, Inc., ONEOK Partners, L.P., ONEOK Partners Intermediate Limited Partnership and U.S. Bank National Association, as trustee, with respect to the 2.75% Senior Notes due 2024 (incorporated by reference from Exhibit No. 4.1 to ONEOK, Inc.’s Current Report on Form 8-K filed Aug. 15, 2019 (File No. 1-13643)).

			4.17			Eleventh Supplemental Indenture, dated as of Aug. 15, 2019, among ONEOK, Inc., ONEOK Partners, L.P., ONEOK Partners Intermediate Limited Partnership and U.S. Bank National Association, as trustee, with respect to the 3.40% Senior Notes due 2029 (incorporated by reference from Exhibit No. 4.2 to ONEOK, Inc.’s Current Report on Form 8-K filed Aug. 15, 2019 (File No. 1-13643)).

			4.18			Twelfth Supplemental Indenture, dated as of Aug. 15, 2019, among ONEOK, Inc., ONEOK Partners, L.P., ONEOK Partners Intermediate Limited Partnership and U.S. Bank National Association, as trustee, with respect to the 4.45% Senior Notes due 2049 (incorporated by reference from Exhibit No. 4.3 to ONEOK, Inc.’s Current Report on Form 8-K filed Aug. 15, 2019 (File No. 1-13643)).

			4.19			Thirteenth Supplemental Indenture, dated as of March 10, 2020, among ONEOK, Inc., ONEOK Partners, L.P., ONEOK Partners Intermediate Limited Partnership and U.S. Bank National Association, as trustee, with respect to the 2.200% Senior Notes due 2025 (incorporated by reference from Exhibit No. 4.1 to ONEOK, Inc.’s Current Report on Form 8-K filed March 10, 2020 (File No. 1-13643)).


			4.20			Fourteenth Supplemental Indenture, dated as of March 10, 2020, among ONEOK, Inc., ONEOK Partners, L.P., ONEOK Partners Intermediate Limited Partnership and U.S. Bank National Association, as trustee, with respect to the 3.100% Senior Notes due 2030 (incorporated by reference from Exhibit No. 4.2 to ONEOK, Inc.’s Current Report on Form 8-K filed March 10, 2020 (File No. 1-13643)).

			4.21			Fifteenth Indenture, dated as of March 10, 2020, among ONEOK, Inc., ONEOK Partners, L.P., ONEOK Partners Intermediate Limited Partnership and U.S. Bank National Association, as trustee, with respect to the 4.500% Senior Notes due 2050 (incorporated by reference from Exhibit No. 4.3 to ONEOK, Inc.’s Current Report on Form 8-K filed March 20, 2020 (File No. 1-13643)).

			4.22			Sixteenth Supplemental Indenture, dated as of May 7, 2020, among ONEOK, Inc., ONEOK Partners, L.P., ONEOK Partners Intermediate Limited Partnership and U.S. Bank National Association, as trustee, with respect to the 5.850% Senior Notes due 2026 (incorporated by reference from Exhibit No. 4.1 to ONEOK, Inc.’s Current Report on Form 8-K filed May 7, 2020 (File No. 1-13643)).

			4.23			Seventeenth Supplemental Indenture, dated as of May 7, 2020, among ONEOK, Inc., ONEOK Partners, L.P., ONEOK Partners Intermediate Limited Partnership and U.S. Bank National Association, as trustee, with respect to the 6.350% Senior Notes due 2031 (incorporated by reference from Exhibit No. 4.2 to ONEOK, Inc.’s Current Report on Form 8-K filed May 7, 2020 (File No. 1-13643)).

			4.24			Eighteenth Supplemental Indenture, dated as of May 7, 2020, among ONEOK, Inc., ONEOK Partners, L.P., ONEOK Partners Intermediate Limited Partnership and U.S. Bank National Association, as trustee, with respect to the 7.150% Senior Notes due 2051 (incorporated by reference from Exhibit No. 4.3 to ONEOK, Inc.’s Current Report on Form 8-K filed May 7, 2020 (File No. 1-13643)).

			4.25			Nineteenth Supplemental Indenture, dated as of Nov. 18, 2022, among ONEOK, Inc., ONEOK Partners, L.P., ONEOK Partners Intermediate Limited Partnership and U.S. Bank Trust Company, National Association (successor in interest to U.S. Bank National Association), as trustee, with respect to the 6.100% Senior Notes due 2032 (incorporated by reference from Exhibit No. 4.1 to ONEOK, Inc.’s Current Report on Form 8-K filed Nov. 18, 2022 (File No. 1-13643)).

			4.26			Twentieth Supplemental Indenture, dated as of Aug. 24, 2023, among ONEOK, Inc., ONEOK Partners, L.P., ONEOK Partners Intermediate Limited Partnership and U.S. Bank National Association, as trustee, with respect to the 5.550% Senior Notes due 2026 (incorporated by reference from Exhibit 4.1 to ONEOK Inc.’s Current Report on Form 8-K, filed Aug. 25, 2023 (File No. 1-13643)).

			4.27			Twenty-First Supplemental Indenture, dated as of Aug. 24, 2023, among ONEOK, Inc., ONEOK Partners, L.P., ONEOK Partners Intermediate Limited Partnership and U.S. Bank National Association, as trustee, with respect to the 5.650% Senior Notes due 2028 (incorporated by reference from Exhibit 4.2 to ONEOK Inc.’s Current Report on Form 8-K, filed Aug. 25, 2023 (File No. 1-13643)).

			4.28			Twenty-Second Supplemental Indenture, dated as of Aug. 24, 2023, among ONEOK, Inc., ONEOK Partners, L.P., ONEOK Partners Intermediate Limited Partnership and U.S. Bank National Association, as trustee, with respect to the 5.800% Senior Notes due 2030 (incorporated by reference from Exhibit 4.3 to ONEOK Inc.’s Current Report on Form 8-K, filed Aug. 25, 2023 (File No. 1-13643)).

			4.29			Twenty-Third Supplemental Indenture, dated as of Aug. 24, 2023, among ONEOK, Inc., ONEOK Partners, L.P., ONEOK Partners Intermediate Limited Partnership and U.S. Bank National Association, as trustee, with respect to the 6.050% Senior Notes due 2033 (incorporated by reference from Exhibit 4.4 to ONEOK Inc.’s Current Report on Form 8-K, filed Aug. 25, 2023 (File No. 1-13643)).

			4.30			Twenty-Fourth Supplemental Indenture, dated as of Aug. 24, 2023, among ONEOK, Inc., ONEOK Partners, L.P., ONEOK Partners Intermediate Limited Partnership and U.S. Bank National Association, as trustee, with respect to the 6.625% Senior Notes due 2053 (incorporated by reference from Exhibit 4.5 to ONEOK Inc.’s Current Report on Form 8-K, filed Aug. 25, 2023 (File No. 1-13643)).


			4.31			Twenty-Fifth Supplemental Indenture, dated as of Sept. 25, 2023, among ONEOK, Inc., ONEOK Partners, L.P., ONEOK Partners Intermediate Limited Partnership, Magellan Midstream Partners, L.P. and U.S. Bank National Association, as trustee (incorporated by reference from Exhibit 4.3 to ONEOK Inc.’s Current Report on Form 8-K, filed Sept. 25, 2023 (File No. 1-13643)).

			4.32			Twenty-Sixth Supplemental Indenture, dated as of Sept. 24, 2024, among ONEOK, Inc., ONEOK Partners, L.P., ONEOK Partners Intermediate Limited Partnership, Magellan Midstream Partners, L.P. and U.S. Bank National Association, as trustee, with respect to 4.250% Notes due 2027 (incorporated by reference from Exhibit 4.2 to ONEOK Inc.’s Current Report on Form 8-K, filed Sept. 24, 2024 (File No. 1-13643)).

			4.33			Twenty-Seventh Supplemental Indenture, dated as of Sept. 24, 2024, among ONEOK, Inc., ONEOK Partners, L.P., ONEOK Partners Intermediate Limited Partnership, Magellan Midstream Partners, L.P. and U.S. Bank National Association, as trustee, with respect to 4.400% Notes due 2029 (incorporated by reference from Exhibit 4.3 to ONEOK Inc.’s Current Report on Form 8-K, filed Sept. 24, 2024 (File No. 1-13643)).

			4.34			Twenty-Eighth Supplemental Indenture, dated as of Sept. 24, 2024, among ONEOK, Inc., ONEOK Partners, L.P., ONEOK Partners Intermediate Limited Partnership, Magellan Midstream Partners, L.P. and U.S. Bank National Association, as trustee, with respect to 4.750% Notes due 2031 (incorporated by reference from Exhibit 4.4 to ONEOK Inc.’s Current Report on Form 8-K, filed Sept. 24, 2024 (File No. 1-13643)).

			4.35			Twenty-Ninth Supplemental Indenture, dated as of Sept. 24, 2024, among ONEOK, Inc., ONEOK Partners, L.P., ONEOK Partners Intermediate Limited Partnership, Magellan Midstream Partners, L.P. and U.S. Bank National Association, as trustee, with respect to 5.050% Notes due 2034 (incorporated by reference from Exhibit 4.5 to ONEOK Inc.’s Current Report on Form 8-K, filed Sept. 24, 2024 (File No. 1-13643)).

			4.36			Thirtieth Supplemental Indenture, dated as of Sept. 24, 2024, among ONEOK, Inc., ONEOK Partners, L.P., ONEOK Partners Intermediate Limited Partnership, Magellan Midstream Partners, L.P. and U.S. Bank National Association, as trustee, with respect to 5.700% Notes due 2054 (incorporated by reference from Exhibit 4.6 to ONEOK Inc.’s Current Report on Form 8-K, filed Sept. 24, 2024 (File No. 1-13643)).

			4.37			Thirty-First Supplemental Indenture, dated as of Sept. 24, 2024, among ONEOK, Inc., ONEOK Partners, L.P., ONEOK Partners Intermediate Limited Partnership, Magellan Midstream Partners, L.P. and U.S. Bank National Association, as trustee, with respect to 5.850% Notes due 2064 (incorporated by reference from Exhibit 4.7 to ONEOK Inc.’s Current Report on Form 8-K, filed Sept. 24, 2024 (File No. 1-13643)).

			4.38			Indenture, dated as of Sept. 25, 2006, between ONEOK Partners, L.P. and Wells Fargo Bank, N.A., as trustee (incorporated by reference to Exhibit 4.1 to ONEOK Partners, L.P.’s Current Report on Form 8-K filed Sept. 26, 2006 (File No. 1-12202)).

			4.39			Third Supplemental Indenture, dated as of Sept. 25, 2006, among ONEOK Partners, L.P., ONEOK Partners Intermediate Limited Partnership and Wells Fargo Bank, N.A., as trustee, with respect to the 6.65% Senior Notes due 2036 (incorporated by reference to Exhibit 4.4 to ONEOK Partners, L.P.’s Current Report on Form 8-K filed Sept. 26, 2006 (File No. 1-12202)).

			4.40			Fourth Supplemental Indenture, dated as of Sept. 28, 2007, among ONEOK Partners, L.P., ONEOK Partners Intermediate Limited Partnership and Wells Fargo Bank, N.A., as trustee, with respect to the 6.85% Senior Notes due 2037 (incorporated by reference to Exhibit 4.2 to ONEOK Partners, L.P.’s Current Report on Form 8-K filed Sept. 28, 2007 (File No. 1-12202)).

			4.41			Seventh Supplemental Indenture, dated as of Jan. 26, 2011, among ONEOK Partners, L.P., ONEOK Partners Intermediate Limited Partnership and Wells Fargo Bank, N.A., as trustee, with respect to the 6.125% Senior Notes due 2041 (incorporated by reference from Exhibit 4.3 to ONEOK Partners, L.P.’s Current Report on Form 8-K filed Jan. 26, 2011 (File No. 1-12202)).


			4.42			Twelfth Supplemental Indenture, dated as of Sept. 12, 2013, among ONEOK Partners, L.P., ONEOK Partners Intermediate Limited Partnership and Wells Fargo Bank, N.A., as trustee, with respect to the 6.200% Senior Notes due 2043 (incorporated by reference to Exhibit 4.4 to ONEOK Partners, L.P.’s Current Report on Form 8-K filed Sept. 12, 2013 (File No. 1-12202)).

			4.43			Fourteenth Supplemental Indenture, dated as of March 20, 2015, among ONEOK Partners, L.P., ONEOK Partners Intermediate Limited Partnership and Wells Fargo Bank, N.A., as trustee, with respect to the 4.90% Senior Notes due 2025 (incorporated by reference to Exhibit 4.3 to ONEOK Partners, L.P.’s Current Report on Form 8-K filed on March 20, 2015 (File No. 1-12202)).

			4.44			Fifteenth Supplemental Indenture, dated as of June 30, 2017, by and among ONEOK Partners, L.P., ONEOK, Inc., ONEOK Partners Intermediate Limited Partnership and Wells Fargo Bank, N.A., as trustee (incorporated by reference from Exhibit 4.1 to ONEOK, Partners, L.P.’s Current Report on Form 8-K filed July 3, 2017 (File No. 1-12202)).

			4.45			Sixteenth Supplemental Indenture, dated as of Sept. 25, 2023, among ONEOK Partners, L.P., ONEOK, Inc., ONEOK Partners Intermediate Limited Partnership, Magellan Midstream Partners, L.P. and Computershare Trust Company, N.A., as trustee (incorporated by reference from Exhibit 4.4 to ONEOK Inc.’s Current Report on Form 8-K, filed Sept. 25, 2023 (File No. 1-13643)).

			4.46			Indenture, dated as of April 19, 2007, between Magellan Midstream Partners, L.P. and U.S. Bank National Association, as trustee (incorporated by reference from Exhibit 4.1 to Magellan Midstream Partners, L.P.’s Form 8-K, filed April 20, 2007 (File No. 1-16335)).

			4.47			First Supplemental Indenture, dated as of April 19, 2007, between Magellan Midstream Partners, L.P. and U.S. Bank National Association, as trustee, with respect to the 6.400% Senior Notes due 2037 (incorporated by reference from Exhibit 4.2 to Magellan Midstream Partners, L.P.’s Form 8-K, filed April 20, 2007 (File No. 1-16335)).

			4.48			Second Supplemental Indenture, dated as of Sept. 25, 2023, among Magellan Midstream Partners, L.P., ONEOK, Inc., ONEOK Partners, L.P., ONEOK Partners Intermediate Limited Partnership and U.S. Bank Trust Company, National Association, as trustee (incorporated by reference from Exhibit 4.5 to ONEOK Inc.’s Current Report on Form 8-K, filed Sept. 25, 2023 (File No. 1-13643)).

			4.49			Third Supplemental Indenture, dated as of Dec. 13, 2023, by and among ONEOK, Inc., ONEOK Partners, L.P., ONEOK Partners Intermediate Limited Partnership, Magellan Midstream Partners, L.P. and U.S. Bank Trust Company, National Association, as trustee (incorporated by reference from Exhibit 4.1 to ONEOK Inc.’s Current Report on Form 8-K filed Dec. 14, 2023 (File No. 1-13643)).

			4.50			Indenture, dated as of Aug. 11, 2010, between Magellan Midstream Partners, L.P. and U.S. Bank National Association, as trustee (incorporated by reference from Exhibit 4.1 to Midstream Partners, L.P.’s Form 8-K, filed Aug. 16, 2010 (File No. 1-16335)).

			4.51			Second Supplemental Indenture, dated as of Nov. 9, 2012, between ONEOK, Inc. (successor in interest to Magellan Midstream Partners, L.P.), and U.S. Bank National Association, as trustee, with respect to the 4.200% Senior Notes due 2042 (incorporated by reference from Exhibit 4.2 to Magellan Midstream Partners, L.P.’s Current Report on Form 8-K, filed Nov. 9, 2012 (File No. 1-16335)).

			4.52			Third Supplemental Indenture, dated as of Oct. 10, 2013, between ONEOK, Inc. (successor in interest to Magellan Midstream Partners, L.P.), and U.S. Bank National Association, as trustee, with respect to the 5.15% Senior Notes due 2043 (incorporated by reference from Exhibit 4.2 to Magellan Midstream Partners, L.P.’s Current Report on Form 8-K, filed Oct. 10, 2013 (File No. 1-16335)).


			4.53			Fourth Supplemental Indenture, dated as of March 4, 2015, between ONEOK, Inc. (successor in interest to Magellan Midstream Partners, L.P.), and U.S. Bank National Association, as trustee, with respect to the 3.20% Senior Notes due 2025 (incorporated by reference from Exhibit 4.2 to Magellan Midstream Partners, L.P.’s Current Report on Form 8-K, filed March 4, 2015 (File No. 1-16335)).

			4.54			Fifth Supplemental Indenture, dated as of March 4, 2015, between ONEOK, Inc. (successor in interest to Magellan Midstream Partners, L.P.), and U.S. Bank National Association, as trustee, with respect to the 4.20% Senior Notes due 2045 (incorporated by reference from Exhibit 4.3 to Magellan Midstream Partners, L.P.’s Current Report on Form 8-K, filed March 4, 2015 (File No. 1-16335)).

			4.55			Sixth Supplemental Indenture, dated as of Feb. 29, 2016, between ONEOK, Inc. (successor in interest to Magellan Midstream Partners, L.P.), and U.S. Bank National Association, as trustee, with respect to the 5.00% Senior Notes due 2026 (incorporated by reference from Exhibit 4.2 to Magellan Midstream Partners, L.P.’s Current Report on Form 8-K, filed Feb. 29, 2016 (File No. 1-16335)).

			4.56			Seventh Supplemental Indenture, dated as of Sept. 13, 2016, between ONEOK, Inc. (successor in interest to Magellan Midstream Partners, L.P.), and U.S. Bank National Association, as trustee, with respect to the 4.25% Senior Notes due 2046 (incorporated by reference from Exhibit 4.2 to Magellan Midstream Partners, L.P.’s Current Report on Form 8-K, filed Sept. 13, 2016 (File No. 1-16335)).

			4.57			Eighth Supplemental Indenture, dated as of Oct. 3, 2017, between ONEOK, Inc. (successor in interest to Magellan Midstream Partners, L.P.), and U.S. Bank National Association, as trustee, with respect to the 4.200% Senior Notes due 2047 (incorporated by reference from Exhibit 4.2 to Magellan Midstream Partners, L.P.’s Current Report on Form 8-K, filed Oct. 3, 2017 (File No. 1-16335)).

			4.58			Ninth Supplemental Indenture, dated as of Jan. 18, 2019, between ONEOK, Inc. (successor in interest to Magellan Midstream Partners, L.P.), and U.S. Bank National Association, as trustee, with respect to the 4.850% Senior Notes due 2049 (incorporated by reference from Exhibit 4.2 to Magellan Midstream Partners, L.P.’s Current Report on Form 8-K, filed Jan. 18, 2019 (File No. 1-16335)).

			4.59			Tenth Supplemental Indenture, dated as of Aug. 19, 2019, between ONEOK, Inc. (successor in interest to Magellan Midstream Partners, L.P.), and U.S. Bank National Association, as trustee, with respect to the 3.950% Senior Notes due 2050 (incorporated by reference from Exhibit 4.2 to Magellan Midstream Partners, L.P.’s Current Report on Form 8-K, filed Aug. 19, 2019 (File No. 1-16335)).

			4.60			Eleventh Supplemental Indenture, dated as of May 20, 2020, between ONEOK, Inc. (successor in interest to Magellan Midstream Partners, L.P.), and U.S. Bank National Association, as trustee, with respect to the 3.250% Senior Notes due 2030 (incorporated by reference from Exhibit 4.2 to Magellan Midstream Partners, L.P.’s Current Report on Form 8-K, filed May 20, 2020 (File No. 1-16335))

			4.61			Twelfth Supplemental Indenture, dated as of Sept. 25, 2023, among Magellan Midstream Partners, L.P., ONEOK, Inc., ONEOK Partners, L.P., ONEOK Partners Intermediate Limited Partnership and U.S. Bank Trust Company, National Association, as trustee (incorporated by reference from Exhibit 4.6 to ONEOK Inc.’s Current Report on Form 8-K, filed Sept. 25, 2023 (File No. 1-13643)).

			4.62			Thirteenth Supplemental Indenture, dated as of Dec. 13, 2023, by and among ONEOK, Inc., ONEOK Partners, L.P., ONEOK Partners Intermediate Limited Partnership, Magellan Midstream Partners, L.P. and U.S. Bank Trust Company, National Association, as trustee, (incorporated by reference from Exhibit 4.2 to ONEOK Inc.’s Current Report on Form 8-K filed Dec. 14, 2023 (File No. 1-13643)).

			4.63			Indenture, dated as of March 19, 2014, by and between EnLink Midstream Partners, LP and Wells Fargo Bank, National Association, as trustee (incorporated by reference to Exhibit 4.2 to EnLink Midstream Partners, LP’s Current Report on Form 8-K, filed March 21, 2014 (File No. 001-36340)).


			4.64			First Supplemental Indenture, dated as of March 19, 2014, by and between EnLink Midstream Partners, LP and Wells Fargo Bank, National Association, as trustee (incorporated by reference to Exhibit 4.3 to EnLink Midstream Partners, LP’s Current Report on Form 8-K, filed March 21, 2014 (File No. 001-36340)).

			4.65			Second Supplemental Indenture, dated as of Nov . 12, 2014, by and between EnLink Midstream Partners, LP and Wells Fargo Bank, National Association, as trustee (incorporated by reference to Exhibit 4.3 to EnLink Midstream Partners, LP’s Current Report on Form 8-K, filed Nov. 12, 2014 (File No. 001-36340)).

			4.66			Third Supplemental Indenture, dated as of May 12, 2015, by and between EnLink Midstream Partners, LP and Wells Fargo Bank, National Association, as trustee (incorporated by reference to Exhibit 4.3 to EnLink Midstream Partners, LP’s Current Report on Form 8-K, filed May 12, 2015 (File No. 001-36340)).

			4.67			Fourth Supplemental Indenture, dated as of July 14, 2016, by and between EnLink Midstream Partners, LP and Wells Fargo Bank, National Association, as trustee (incorporated by reference to Exhibit 4.2 to EnLink Midstream Partners, LP’s Current Report on Form 8-K, filed July 14, 2016 ((File No. 001-36340)).

			4.68			Fifth Supplemental Indenture, dated as of May 11, 2017, by and between EnLink Midstream Partners, LP and Wells Fargo Bank, National Association, as trustee (incorporated by reference to Exhibit 4.2 to EnLink Midstream Partners, LP’s Current Report on Form 8-K, filed May 11, 2017 (File No. 001-36340)).

			4.69			Indenture, dated as of April 9, 2019, by and between EnLink Midstream, LLC and Wells Fargo Bank, National Association, as trustee (incorporated by reference to Exhibit 4.1 to EnLink Midstream, LLC’s Current Report on Form 8-K, filed April 9, 2019 (File No. 001-36336)).

			4.70			First Supplemental Indenture, dated as of April 9, 2019, by and among EnLink Midstream, LLC, EnLink Midstream Partners, LP, and Wells Fargo Bank, National Association, as trustee (incorporated by reference to Exhibit 4.2 to EnLink Midstream, LLC’s Current Report on Form 8-K, filed April 9, 2019 (File No. 001-36336)).

			4.71			Indenture, dated as of Dec. 17, 2020, by and among EnLink Midstream, LLC, as issuer, EnLink Midstream Partners, LP, as guarantor, and Wells Fargo Bank, National Association, as trustee (incorporated by reference to Exhibit 4.1 to EnLink Midstream, LLC’s Current Report on Form 8-K, filed Dec. 18, 2020 (File No. 001-36336)).

			4.72			Indenture, dated as of Aug. 31, 2022, by and among EnLink Midstream, LLC, as issuer, EnLink Midstream Partners, LP, as guarantor, and Computershare Trust Company, N.A., as trustee (incorporated by reference to Exhibit 4.1 to EnLink Midstream, LLC’s Current Report on Form 8-K, filed on Aug. 31, 2022 (File No. 001-36336)).

			4.73			Indenture, dated as of Aug. 15, 2024, by and among EnLink Midstream, LLC, as issuer, EnLink Midstream Partners, LP, as guarantor, and Computershare Trust Company, N.A., as trustee (incorporated by reference to Exhibit 4.1 to EnLink Midstream, LLC’s Current Report on Form 8-K, filed Aug. 15, 2024 (File No. 001-36336)).

			4.74			First Supplemental Indenture, dated as of Aug. 15, 2024, by and among EnLink Midstream, LLC, as issuer, EnLink Midstream Partners, LP, as guarantor, and Computershare Trust Company, N.A., as trustee (incorporated by reference to Exhibit 4.2 to EnLink Midstream, LLC’s Current Report on Form 8-K, filed Aug. 15, 2024 (File No. 001-36336)).

			4.75			First Supplemental Indenture, dated as of Jan . 31, 2025, by and among Elk Merger Sub II, L.L.C., as issuer, EnLink Midstream Partners, LP, as guarantor, and Computershare Trust Company, N.A., as trustee (incorporated by reference to Exhibit 4.1 to EnLink Midstream, LLC’s Current Report on Form 8-K, filed Jan . 31, 2025, File No. 001-36336).


			4.76			Second Supplemental Indenture, dated as of Jan . 31, 2025, by and among Elk Merger Sub II, L.L.C., as issuer, EnLink Midstream Partners, LP, as guarantor, and Computershare Trust Company, N.A., as trustee (incorporated by reference to Exhibit 4.2 to EnLink Midstream, LLC’s Current Report on Form 8-K, filed Jan . 31, 2025, File No. 001-36336).

			4.77			First Supplemental Indenture, dated as of Jan . 31, 2025, by and among Elk Merger Sub II, L.L.C., as issuer, EnLink Midstream Partners, LP, as guarantor, and Computershare Trust Company, N.A., as trustee (incorporated by reference to Exhibit 4.3 to EnLink Midstream, LLC’s Current Report on Form 8-K, filed Jan . 31, 2025, File No. 001-36336).

			4.78			Second Supplemental Indenture, dated as of Jan . 31, 2025, by and among Elk Merger Sub II, L.L.C., as issuer, EnLink Midstream Partners, LP, as guarantor, and Computershare Trust Company, N.A., as trustee (incorporated by reference to Exhibit 4.4 to EnLink Midstream, LLC’s Current Report on Form 8-K, filed Jan . 31, 2025, File No. 001-36336).

			4.79			Third Supplemental Indenture, dated as of Jan . 31, 2025, by and among ONEOK, Inc., Elk Merger Sub II, L.L.C., EnLink Midstream Partners, LP, ONEOK Partners, L.P., ONEOK Partners Intermediate Limited Partnership, Magellan Midstream Partners, L.P. and Computershare Trust Company, N.A., as trustee (incorporated by reference to Exhibit 4.5 to ONEOK, Inc.’s Current Report on Form 8-K, filed Feb . 5, 2025 (File No. 1-13643)).

			4.80			Second Supplemental Indenture, dated as of Jan . 31, 2025, by and among ONEOK, Inc., Elk Merger Sub II, L.L.C., EnLink Midstream Partners, LP, ONEOK Partners, L.P., ONEOK Partners Intermediate Limited Partnership, Magellan Midstream Partners, L.P. and Computershare Trust Company, N.A., as trustee (incorporated by reference to Exhibit 4.6 to ONEOK, Inc.’s Current Report on Form 8-K, filed Feb . 5, 2025 (File No. 1-13643)).

			4.81			Second Supplemental Indenture, dated as of Jan . 31, 2025, by and among ONEOK, Inc., Elk Merger Sub II, L.L.C., EnLink Midstream Partners, LP, ONEOK Partners, L.P., ONEOK Partners Intermediate Limited Partnership, Magellan Midstream Partners, L.P. and Computershare Trust Company, N.A., as trustee (incorporated by reference to Exhibit 4.7 to ONEOK, Inc.’s Current Report on Form 8-K, filed Feb . 5, 2025 (File No. 1-13643)).

			4.82			Third Supplemental Indenture, dated as of Jan . 31, 2025, by and among ONEOK, Inc., Elk Merger Sub II, L.L.C., EnLink Midstream Partners, LP, ONEOK Partners, L.P., ONEOK Partners Intermediate Limited Partnership, Magellan Midstream Partners, L.P. and Computershare Trust Company, N.A., as trustee (incorporated by reference to Exhibit 4.8 to ONEOK, Inc.’s Current Report on Form 8-K, filed Feb . 5, 2025 (File No. 1-13643)).

			4.83			Sixth Supplemental Indenture, dated as of Jan . 31, 2025, by and among ONEOK, Inc., EnLink Midstream Partners, LP, Elk Merger Sub II, L.L.C., ONEOK Partners, L.P., ONEOK Partners Intermediate Limited Partnership, Magellan Midstream Partners, L.P. and Computershare Trust Company, N.A., as trustee (incorporated by reference to Exhibit 4.9 to ONEOK, Inc.’s Current Report on Form 8-K, filed Feb . 5, 2025 (File No. 1-13643)).

			4.84			Seventh Supplemental Indenture, dated as of Jan . 31, 2025, by and among ONEOK, Inc., ONEOK Partners, L.P., ONEOK Partners Intermediate Limited Partnership, Magellan Midstream Partners, L.P., EnLink Midstream Partners, LP, Elk Merger Sub II, L.L.C. and The Bank of New York Mellon Trust Company, National Association, as trustee (incorporated by reference to Exhibit 4.10 to ONEOK, Inc.’s Current Report on Form 8-K filed Feb . 5, 2025 (File No. 1-13643)).

			4.85			Fourteenth Supplemental Indenture, dated as of Jan . 31, 2025, by and among ONEOK, Inc., ONEOK Partners, L.P., ONEOK Partners Intermediate Limited Partnership, Magellan Midstream Partners, L.P., EnLink Midstream Partners, LP, Elk Merger Sub II, L.L.C., and U.S. Bank Trust Company, National Association, as trustee (incorporated by reference to Exhibit 4.11 to ONEOK, Inc.’s Current Report on Form 8-K, filed Feb . 5, 2025 (File No. 1-13643)).



			4.86			Fourth Supplemental Indenture, dated as of Jan . 31, 2025, by and among ONEOK, Inc., ONEOK Partners, L.P., ONEOK Partners Intermediate Limited Partnership, Magellan Midstream Partners, L.P., EnLink Midstream Partners, LP, Elk Merger Sub II, L.L.C., and U.S. Bank Trust Company, National Association, as trustee (incorporated by reference to Exhibit 4.12 to ONEOK, Inc.’s Current Report on Form 8-K, filed Feb . 5, 2025 (File No. 1-13643)).

			4.87			Sixth Supplemental Indenture, dated as of Jan . 31, 2025, by and among ONEOK, Inc., ONEOK Partners, L.P., ONEOK Partners Intermediate Limited Partnership, Magellan Midstream Partners, L.P., EnLink Midstream Partners, LP, Elk Merger Sub II, L.L.C. and U.S. Bank Trust Company, National Association, as trustee (incorporated by reference to Exhibit 4.13 to ONEOK, Inc.’s Current Report on Form 8-K, filed Feb . 5, 2025 (File No. 1-13643)).

			4.88			Thirty-Second Supplemental Indenture, dated as of Jan . 31, 2025, by and among ONEOK, Inc., ONEOK Partners, L.P., ONEOK Partners Intermediate Limited Partnership, Magellan Midstream Partners, L.P., EnLink Midstream Partners, LP, Elk Merger Sub II, L.L.C. and U.S. Bank Trust Company, National Association, as trustee (incorporated by reference to Exhibit 4.14 to ONEOK, Inc.’s Current Report on Form 8-K, filed Feb . 5, 2025 (File No. 1-13643)).

			4.89			Seventeenth Supplemental Indenture, dated as of Jan . 31, 2025, by and among ONEOK Partners, L.P., ONEOK Partners Intermediate Limited Partnership, ONEOK, Inc., Magellan Midstream Partners, L.P., EnLink Midstream Partners, LP, Elk Merger Sub II, L.L.C., and Computershare Trust Company, N.A., as trustee (incorporated by reference to Exhibit 4.15 to ONEOK, Inc.’s Current Report on Form 8-K, filed Feb . 5, 2025 (File No. 1-13643)).

			4.90			Description of securities (incorporated by reference from Exhibit 4.43 to ONEOK, Inc.'s Annual Report on Form 10-K for the fiscal year ended Dec. 31, 2020, filed Feb. 23, 2021 (File No. 1-13643)).

			10			ONEOK, Inc. Long-Term Incentive Plan (incorporated by reference from Exhibit 10(a) to ONEOK, Inc.’s Annual Report on Form 10-K for the fiscal year ended Dec. 31, 2001, filed March 14, 2002 (File No. 1-13643)).

			10.1			ONEOK, Inc. Stock Compensation Plan for Non-Employee Directors (incorporated by reference from Exhibit 99 to ONEOK, Inc.’s Registration Statement on Form S-8 filed Jan. 25, 2001 (File No. 333-54274)).

			10.2			ONEOK, Inc. Supplemental Executive Retirement Plan terminated and frozen Dec. 31, 2004 (incorporated by reference from Exhibit 10.1 to ONEOK, Inc.’s Current Report on Form 8-K filed Dec. 20, 2004 (File No. 1-13643)).

			10.3			ONEOK, Inc. 2005 Supplemental Executive Retirement Plan, as amended and restated, dated as of Dec. 18, 2008 (incorporated by reference from Exhibit 10.3 to ONEOK, Inc.’s Annual Report on Form 10-K for the fiscal year ended Dec. 31, 2008, filed Feb. 25, 2009 (File No. 1-13643)).

			10.4			Form of Indemnification Agreement between ONEOK, Inc. and ONEOK, Inc. officers and directors, as amended (incorporated by reference from Exhibit 10.5 to ONEOK, Inc.’s Annual Report on Form 10-K for the fiscal year ended Dec. 31, 2014, filed Feb. 25, 2015 (File No. 1-13643)).

			10.5			Amended and Restated ONEOK, Inc. Annual Officer Incentive Plan (incorporated by reference from Exhibit 10.1 to ONEOK, Inc.’s Current Report on Form 8-K filed May 27, 2009 (File No. 1-13643)).

			10.6			ONEOK, Inc. Employee Nonqualified Deferred Compensation Plan, as amended and restated Dec. 16, 2004 (incorporated by reference from Exhibit 10.3 to ONEOK, Inc.’s Current Report on Form 8-K filed Dec. 20, 2004 (File No. 1-13643)).


			10.7			ONEOK, Inc. 2005 Nonqualified Deferred Compensation Plan, as amended and restated, dated as of Dec. 18, 2008 (incorporated by reference from Exhibit 10.8 to ONEOK, Inc.’s Annual Report on Form 10-K for the fiscal year ended Dec. 31, 2008, filed Feb. 25, 2009 (File No. 1-13643)).

			10.8			ONEOK, Inc. Deferred Compensation Plan for Non-Employee Directors, as amended and restated, dated as of Dec. 18, 2008 (incorporated by reference from Exhibit 10.9 to ONEOK, Inc.’s Annual Report on Form 10-K for the fiscal year ended Dec. 31, 2008, filed Feb. 25, 2009 (File No. 1-13643)).

			10.9			Amended and Restated Limited Liability Company Agreement of Overland Pass Pipeline Company LLC entered into between ONEOK Overland Pass Holdings, L.L.C. and Williams Field Services Company, LLC, dated as of May 31, 2006 (incorporated by reference to Exhibit 10.6 to ONEOK Partners, L.P.’s Quarterly Report on Form 10-Q for the quarter ended June 30, 2006, filed Aug. 4, 2006 (File No. 1-12202)).

			10.10			Form of ONEOK, Inc. Officer Change in Control Severance Plan (incorporated by reference from Exhibit 10.1 to ONEOK, Inc.’s Current Report on Form 8-K filed July 22, 2011 (File No. 1-13643)).

			10.11			Form of 2023 Restricted Unit Stock Award Agreement, dated as of Feb. 22, 2023 (incorporated by reference from Exhibit 10.15 to ONEOK, Inc.’s Annual Report on Form 10-K, filed Feb. 28, 2023 (File No. 1-13643)).

			10.12			Form of 2023 Performance Unit Award Agreement, dated as of Feb. 22, 2023 (incorporated by reference from Exhibit 10.16 to ONEOK, Inc.’s Annual Report on Form 10-K, filed Feb. 28, 2023 (File No. 1-13643)).

			10.13			Form of 2022 Restricted Unit Award Agreement (incorporated by reference from Exhibit 10.17 to ONEOK, Inc.’s Annual Report on Form 10-K, filed March 1, 2022 (File No. 1-13643)).

			10.14			Form of 2022 Performance Unit Award Agreement (incorporated by reference from Exhibit 10.18 to ONEOK, Inc.’s Annual Report on Form 10-K, filed March 1, 2022 (File No. 1-13643)).

			10.15			ONEOK, Inc. Equity Incentive Plan (incorporated by reference to Appendix A to ONEOK, Inc.’s definitive proxy statement on Schedule 14A filed on April 5, 2018 (File No. 1-13643)).

			10.16			ONEOK, Inc. Profit Sharing Plan, dated as of Jan. 1, 2005 (incorporated by reference from Exhibit 99 to ONEOK, Inc.’s Registration Statement on Form S-8 filed Dec. 30, 2004 (File No. 333-121769)).

			10.17			ONEOK, Inc. Equity Compensation Plan, as amended and restated, dated as of Dec. 18, 2008 (incorporated by reference from Exhibit 10.44 to ONEOK, Inc.’s Annual Report on Form 10-K for the fiscal year ended Dec. 31, 2008, filed Feb. 25, 2009 (File No. 1-13643)).

			10.18			Equity Distribution Agreement, dated as of Aug. 3, 2023, among ONEOK, Inc., and BofA Securities, Inc., as sales agent, principals and/or forward sellers, as forward purchasers (incorporated by reference from Exhibit 1.1 to ONEOK, Inc.’s Current Report on Form 8-K with a filed Aug. 3, 2023 (File No. 1-13643)).

			10.19			Form of 2024 Restricted Unit Award Agreement, dated as of Feb. 27, 2024 (incorporated by reference from Exhibit 10.24 to ONEOK, Inc.'s Annual Report on Form 10-K for the fiscal year ended Dec. 31, 2023, filed Feb. 27, 2024 (File No. 1-13643)).

			10.20			Form of 2024 Performance Unit Award Agreement, dated as of Feb. 27, 2024 (incorporated by reference from Exhibit 10.25 to ONEOK, Inc.'s Annual Report on Form 10-K for the fiscal year ended Dec. 31, 2023, filed Feb. 27, 2024 (File No. 1-13643)).

			10.21			Form of 2021 Restricted Unit Award Agreement (incorporated by reference from Exhibit 10.33 to ONEOK, Inc.'s Annual Report on Form 10-K for the fiscal year ended Dec. 31, 2020, filed Feb. 23, 2021 (File No. 1-13643)).



			10.22			Form of 2021 Performance Unit Award Agreement (incorporated by reference from Exhibit 10.34 to ONEOK, Inc's Annual Report on Form 10-K for the fiscal year ended Dec. 31, 2020, filed Feb. 23, 2021 (File No. 1-13643)).

			10.23			Form of 2025 Restricted Unit Award Agreement, dated as of Feb. 19 , 2025.

			10.24			Form of 2025 Performance Unit Award Agreement, dated as of Feb. 19 , 2025.

			10.25			ONEOK, Inc. Employee Stock Purchase Plan as amended and restated effective May 24, 2023 (incorporated by reference to Exhibit 99.1 to ONEOK, Inc.’s Registration Statement on Form S-8, filed Nov. 9, 2023 (File No. 1-13643)).

			10.26			ONEOK, Inc. 2020 Nonqualified Deferred Compensation Plan, dated as of July 24, 2019, and effective as of Jan. 1, 2020 (incorporated by reference from Exhibit 10.40 to ONEOK, Inc.’s Annual Report on Form 10-K for the fiscal year ended Dec. 31, 2020, filed Feb. 23, 2021 (File No. 1-13643)).

			10.27			Form of ONEOK, Inc. Equity Incentive Plan Restricted Unit Award Agreement (Make-Whole Award) between ONEOK, Inc. and Pierce H. Norton II (incorporated by reference to Exhibit 10.1 to ONEOK, Inc.’s Quarterly Report on Form 10-Q for the quarter ended June 30, 2021, filed Aug. 4, 2021 (File No. 1-13643)).

			10.28			Form of ONEOK, Inc. Equity Incentive Plan Restricted Unit Award Agreement (Make-Whole Award) (incorporated by reference to Exhibit 10.1 to ONEOK, Inc.’s Quarterly Report on Form 10-Q for the quarter ended Sept. 30, 2022, filed Nov. 2, 2022 (File No. 1-13643)).

			10.30			Restricted Unit Award Agreement between ONEOK, Inc. and Janet Hogan (incorporated by reference to Exhibit 10.3 to ONEOK, Inc.’s Quarterly Report on Form 10-Q for the quarter ended Sept. 30, 2022, filed Nov. 2, 2022 (File No. 1-13643)).

			10.31			Restricted Unit Award Agreement between ONEOK, Inc. and Darren Wallis (incorporated by reference to Exhibit 10.4 to ONEOK, Inc.’s Quarterly Report on Form 10-Q for the quarter ended Sept. 30, 2022, filed Nov. 2, 2022 (File No. 1-13643)).

			10.32			Second Amended and Restated Credit Agreement, dated as of Feb. 14, 2025, by and amount ONEOK, Inc., as borrower, Citibank, N.A., as administrative ag ent, a swing line lender, a letter of credit issuer and a lender, and each of the other lenders, swing line l enders and letter of credit issuers party th ereto (incorporated by reference from Exhibit 10.1 to ONEOK, Inc.’s Current Report on Form 8-K, filed Feb. 20, 2025 (File No. 1 -1364 3)).

			10.33			Second Amended and Restated Guaranty Agreement, dated as of Feb . 14, 2025, by and among ONEOK Partners, L.P., ONEOK Partners Intermediate Limited Partnership, Magellan Midstream Partners, L.P., EnLink Midstream Partners, LP, and Elk Merger Sub II, L.L.C., in favor of Citibank, N.A. (incorporated by reference from Exhibit 10.2 to ONEOK, Inc.’s Current Report on Form 8-K, filed Feb . 20 , 2025 (File No. 1-13643)).

			10.34			ONEOK, Inc. Long-Term Incentive Plain, as amended and restated, dated as of Jan. 26, 2021 (f/k/a the Magellan Midstream Partners, L.P., Long-Term Incentive Plan) (incorporated by reference to Magellan Midstream Partners, L.P.’s Exhibit 10(a) to Form 10-K filed April 29, 2021) (File No. 1-16335).

			10.35			Amendment No. 1, dated as of April 1, 2021 to ONEOK, Inc. Long-Term Incentive Plan (f/k/a the Magellan Midstream Partners, L.P. Long-Term Incentive Plan) (incorporated by reference to Exhibit 10.2 to Magellan Midstream Partners, L.P.’s Form 10-Q filed April 29, 2021) (File No. 1-16335).


			10.36			EnLink Midstream, LLC 2014 Long-Term Incentive Plan, as amended and restated, dated Dec . 16, 2021 (incorporated by reference to EnLink Midstream, LLC’s Exhibit 10.3 to Form 10-K, filed Feb . 16, 2022 (File No. 001-36336)).

			10.37			Support Agreement, dated as of Nov . 24, 2024, by and among ONEOK, Inc. and EnLink Midstream, LLC (incorporated by reference to Exhibit 10.1 to ONEOK, Inc.’s Current Report on Form 8-K, filed Nov . 25, 2024 (File No. 1-13643)).

			19			Securities and Insider Trading Policy

			21			Required information concerning the registrant’s subsidiaries.

			22.1			List of subsidiary guarantors and issuers of guaranteed securities.

			23			Consent of Independent Registered Public Accounting Firm - PricewaterhouseCoopers LLP.

			31.1			Certification of Pierce H. Norton II pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.

			31.2			Certification of Walter S. Hulse III pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.

			32.1			Certification of Pierce H. Norton II pursuant to 18 U.S.C. Section 1350 as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (furnished only pursuant to Rule 13a-14(b)).

			32.2			Certification of Walter S. Hulse III pursuant to 18 U.S.C. Section 1350 as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (furnished only pursuant to Rule 13a-14(b)).

			97			Compensation Recoupment Policy of ONEOK, Inc.

			101.INS			Inline XBRL Instance Document - the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document.

			101.SCH			Inline XBRL Taxonomy Extension Schema Document.

			101.CAL			Inline XBRL Taxonomy Calculation Linkbase Document.

			101.DEF			Inline XBRL Taxonomy Extension Definitions Document.

			101.LAB			Inline XBRL Taxonomy Label Linkbase Document.

			101.PRE			Inline XBRL Taxonomy Presentation Linkbase Document.

			104.00			Cover Page Interactive Data File (formatted in Inline XBRL and contained in Exhibit 101).

Attached as Exhibit 101 to this Annual Report are the following Inline XBRL-related documents: (i) Document and Entity Information; (ii) Consolidated Statements of Income for the years ended Dec. 31, 2024, 2023 and 2022 (iii) Consolidated Statements of Comprehensive Income for the years ended Dec. 31, 2024, 2023 and 2022; (iv) Consolidated Balance Sheets at Dec. 31, 2024 and 2023; (v) Consolidated Statements of Cash Flows for the years ended Dec. 31, 2024, 2023 and 2022; (vi) Consolidated Statements of Changes in Equity for the years ended Dec. 31, 2024, 2023 and 2022 and (vii) Notes to Consolidated Financial Statements.

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