EX-22.1 2 okeq12023exhibit221.htm OKE LIST OF SUBSIDIARY GUARANTORS
Exhibit 22.1
List of Subsidiary Guarantors and Issuers
of Guaranteed Securities
As of March 31, 2023, the following entities guarantee the notes issued by ONEOK, Inc. (the “ONEOK Notes”) and ONEOK Partners, L.P. (the “ONEOK Partners Notes”).

Entity | Jurisdiction of Incorporation or Organization | ONEOK Notes | ONEOK Partners Notes
ONEOK, Inc. | Oklahoma | Issuer | Guarantor
ONEOK Partners, L.P. | Delaware | Guarantor | Issuer
ONEOK Partners Intermediate Limited Partnership | Delaware | Guarantor | Guarantor

As of March 31, 2023, the ONEOK Notes consisted of the following securities:

Issued under the Indenture dated as of September 24, 1998
6-7/8% Debentures due 2028
Issued under the Indenture dated as of December 28, 2001
6.00% Notes due 2035
Issued under the Indenture dated as of January 26, 2012
7.50% Notes due 2023
2.75% Notes due 2024
2.200% Notes due 2025
5.850% Notes due 2026
4.000% Notes due 2027
4.55% Notes due 2028
4.35% Notes due 2029
3.40% Notes due 2029
3.100% Notes due 2030
6.350% Notes due 2031
6.10% Notes due 2032
4.950% Notes due 2047
5.20% Notes due 2048
4.45% Notes due 2049
4.500% Notes due 2050
7.150% Notes due 2051

As of March 31, 2023, the ONEOK Partners Notes consisted of the following securities:

Issued under the Indenture dated as of September 25, 2006
4.90% Senior Notes due 2025
6.65% Senior Notes due 2036
6.85% Senior Notes due 2037
6.125% Senior Notes due 2041
6.200% Senior Notes due 2043