| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| EHRMAN BRADLEY J | Chief Executive Officer | 3838 OAK LAWN AVE, SUITE 300, DALLAS | /s/ Bradley J. Ehrman | 2025-12-03 | 0001642868 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | DMLP | Common Units | Award | $389K | +18K | +118.48% | $21.63 | 33.2K | Dec 1, 2025 | Direct | F2 |
| transaction | DMLP | Common Units | Tax liability | -$142K | -6.54K | -19.71% | $21.63 | 26.6K | Dec 1, 2025 | Direct | F2, F3 |
| holding | DMLP | Common Units | 121K | Dec 1, 2025 | . | F1 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | DMLP | Notional Units | Award | $0 | +18K | $0.00 | 18K | Dec 1, 2025 | Common Units | 18K | Direct | F4 |
| Id | Content |
|---|---|
| F1 | These common units are held by Quiscalus Ventures, LLC, in which Mr. Ehrman is the sole member. |
| F2 | These common units are held by Mr. Ehrman in his individual name, IRA or Keogh Plan. |
| F3 | Represents payment of tax liability incident to the grant of common units awarded to the reporting person on December 1, 2025 pursuant to an equity incentive plan, by withholding common units from such grant. |
| F4 | Notional Units granted on December 1, 2025, pursuant to the Dorchester Minerals Management LP Equity Incentive program. Each Notional Unit entitles the holder to receive either (1) the number of common units representing limited partnership interests in Dorchester Minerals, L.P. (the "Common Units") equal to the number of Notional Units that become vested or (2) the cash equivalent at the time of vesting of the number of Common Units equal to the number of Notional Units that become vested. One-third of the Notional Units vest on each anniversary of the date of the award agreement over a three year period beginning on December 1, 2026. Vested Notional Units are settled within 60 days after the date on which they vest. |