ONEOK annual meeting results; director Mogg receives 77% support, lowest among board

2. The appointment of PricewaterhouseCoopers LLP as independent auditor for the Company for the fiscal year ending December 31, 2023, was ratified by a majority of the votes cast as follows: Votes For Votes Against Abstain 376,023,971 6,668,674 1,479,980

3. The advisory vote on the amendment and restatement of the ONEOK, Inc. employee stock purchase plan to increase the total number of shares under the plan, was approved by a majority of the votes cast as follows: Votes For Votes Against Abstain Broker Non-Votes 303,898,000 4,078,817 1,643,281 74,552,527

4. The advisory vote on compensation paid to our named executive officers as disclosed in our Proxy Statement for the 2023 annual meeting, including the Compensation Discussion and Analysis, compensation tables and narrative discussion, was approved by a majority of the votes cast as follows: Votes For Votes Against Abstain Broker Non-Votes 291,715,726 14,713,325 3,191,047 74,552,527

1. The individuals set forth below were elected to the Board of Directors of the Company by a majority of the votes cast to serve one-year terms expiring at the later of our annual meeting of shareholders in 2024 or upon a successor being elected and qualified, as follows: Director Votes For Votes Against Abstain Broker Non-Votes Brian L. Derksen 294,396,933 14,094,067 1,129,099 74,552,527 Julie H. Edwards 289,438,156 19,171,679 1,010,263 74,552,527 Mark W. Helderman 294,490,332 13,988,652 1,141,114 74,552,527 Randall J. Larson 292,622,485 15,832,002 1,165,612 74,552,527 Steven J. Malcolm 289,408,007 19,065,006 1,147,085 74,552,527 Jim W. Mogg 237,617,878 70,924,853 1,077,367 74,552,527 Pattye L. Moore 288,211,455 20,395,482 1,013,162 74,552,527 Pierce H. Norton II 300,452,710 8,094,349 1,073,039 74,552,527 Eduardo A. Rodriguez 284,039,830 24,501,189 1,079,079 74,552,527 Gerald B. Smith 292,118,373 16,361,847 1,139,879 74,552,527

5. The advisory votes on the frequency of the advisory shareholder vote on executive compensation were cast as follows: 1 Year 2 Years 3 Years Abstain Broker Non-Votes 298,419,871 1,777,267 7,296,920 2,126,040 74,552,527