| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Fagg Karen B | Director | 1150 WEST CENTURY AVENUE, BISMARCK | /s/ Karl A. Liepitz, Power of Attorney | 27 May 2025 | 0001345449 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | KNF | Common Stock | Award | $0 | +1,810 | +6.2% | $0.000000 | 30,937 | 22 May 2025 | Direct | F1 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| holding | KNF | Phantom Stock | 840 | 22 May 2025 | Common Stock | 840 | Direct | F2 |
| Id | Content |
|---|---|
| F1 | Represents restricted stock units (RSUs) that vest on the day immediately prior to the date of the next Knife River Corporation (the "issuer") annual meeting of stockholders occurring after the date of grant and subject to the reporting person continuing in service on the board of directors of the issuer through such vesting date. Each RSU represents the contingent right to receive one share of the issuer's common stock. |
| F2 | Each share of phantom stock is the economic equivalent of one share of common stock. The shares of phantom stock become payable in cash upon the reporting person's termination of service as a director. |