| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Crutchfield Kevin S | Chief Executive Officer, Director | 707 17TH STREET, SUITE 4200, DENVER | /s/ Matthew D. Preston, as attorney-in-fact | 04 Dec 2025 | 0001317675 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | IPI | Common Stock | Options Exercise | $0 | +932 | +1% | $0.000000 | 93,687 | 02 Dec 2025 | Direct | F1, F2 |
| transaction | IPI | Common Stock | Tax liability | $185,225 | -7,241 | -7.7% | $25.58 | 86,446 | 02 Dec 2025 | Direct | F3 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | IPI | Performance Restricted Stock Unit | Options Exercise | $0 | -932 | -4.8% | $0.000000 | 18,643 | 02 Dec 2025 | Common Stock | 932 | Direct | F2 |
| Id | Content |
|---|---|
| F1 | Represents shares earned upon achievement of certain levels of absolute total stockholder return (aTSR) under Performance Restricted Stock Units ("PSUs") originally granted on December 2, 2024. See footnote 2 below. |
| F2 | Each PSU represents the contingent right to receive one share of the issue'rs common stock upon the applicable vesting conditions. The PSUs are earned based on certain levels of absolute total stockholder return (aTSR) on or prior to December 31 , 2028. Earned PSUs are subject to additional time-based vesting in three equal installments on the first three anniversaries of the grant date. The PSUs are reported at the maximum level of aTSR achievement. |
| F3 | Represents shares withheld by the issuer to cover the tax witholding obligations upon vesting of equity awards. |