v3.26.1
Schedule H, Line 4i - Schedule of Assets (Held at End of Year)
 12 Months Ended
Dec. 31, 2025
EBP 002  
EBP, Schedule of Asset Held for Investment [Line Items]  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year)
ONEOK, INC. 401(k) PLAN
EIN 73-1520922 PLN 002
Schedule H, Line 4i - Schedule of Assets (Held at End of Year)
December 31, 2025
(In thousands)

Column (a)Column (b)Column (c)Column (d)Column (e)
Party-in-
Interest
Identification		Identity of Issuer
Borrower, Lessor
or Similar Party		Description of Investment,
Including Maturity Date,
Rate of Interest, Par or
Maturity Value		Cost**Current
Value
Dodge & Cox International Stock Fund Class XMutual Fund$30,026 
Dodge & Cox Stock Fund Class XMutual Fund37,574 
*Fidelity Balanced KMutual Fund44,990 
*Fidelity Emerging Markets IndexMutual Fund5,477 
JPMorgan Large Cap Growth Fund Class R6Mutual Fund112,972 
JPMorgan Small Cap Equity Fund Class R6Mutual Fund30,758 
Baird Core Plus Bond Fund Institutional SharesMutual Fund17,111 
Vanguard Extended Market Index Fund Institutional SharesMutual Fund15,133 
Vanguard FTSE All-World ex-US Index Fund Institutional SharesMutual Fund9,053 
Vanguard Institutional Index Fund PlusMutual Fund162,374 
Vanguard Primecap Fund Admiral SharesMutual Fund97,317 
Vanguard Total Bond Market Index Fund Institutional SharesMutual Fund9,368 
Invesco Stable Value Trust Class B1Collective Investment Trust7,662 
Vanguard Target Retirement Income Trust ICollective Investment Trust3,237 
Vanguard Target Retirement 2020 Trust ICollective Investment Trust9,647 
Vanguard Target Retirement 2025 Trust ICollective Investment Trust41,252 
Vanguard Target Retirement 2030 Trust ICollective Investment Trust79,669 
Vanguard Target Retirement 2035 Trust ICollective Investment Trust108,490 
Vanguard Target Retirement 2040 Trust ICollective Investment Trust124,990 
Vanguard Target Retirement 2045 Trust ICollective Investment Trust138,688 
Vanguard Target Retirement 2050 Trust ICollective Investment Trust146,062 
Vanguard Target Retirement 2055 Trust ICollective Investment Trust129,976 
Vanguard Target Retirement 2060 Trust ICollective Investment Trust48,321 
Vanguard Target Retirement 2065 Trust ICollective Investment Trust24,093 
Vanguard Target Retirement 2070 Trust ICollective Investment Trust3,208 
Vanguard Cash Reserves Federal Money Market Fund Admiral SharesMoney Market Mutual Fund30,409 
*ONEOK, Inc.Common Stock220,727 
ONE Gas Inc. StockCommon Stock6,291 
*Notes receivable from participants
Notes receivable from participants at interest rates ranging from 3.25% to 10.50% with various maturities extending into 2035.
28,038 
Total$1,722,913 
* Party-in-interest.
** This column is not applicable to participant-directed investments.