| FERC Letter Order Issued March 16, 2023, Accepting Negotiated Non-Conforming SA - ONEOK filed March 1, 2022, in Docket No. RP23-505-000 |
| FERC LTR ORD Accepting Fuel & Electric Power Reimbursement ADJ Provision filed Mar. 1, 2023, in Docket No. RP23-507-000 |
| FERC Ltr Ord Issued Mar. 24, 2023, Accepting Annual Fuel & Electric Power Reimbursement Adjustment filed March 1, 2023, in Docket No. RP23-506-000 |