Exhibit 23
Consent of Independent Registered Public Accounting Firm
We consent to the incorporation by reference in the Registration Statement of ONEOK, Inc., on Form S-8 (File No. 333-121769) of our report dated June 24, 2016, on our audits of the financial statements and supplemental schedule of the ONEOK, Inc. Profit Sharing Plan as of December 31, 2015 and 2014, and for the year ended December 31, 2015, which report is included in this Annual Report on Form 11-K.
/s/ BKD, LLP
Tulsa, Oklahoma
June 24, 2016