X0508 4 2025-02-11 0001171486 NATURAL RESOURCE PARTNERS LP NRP 0001268006 ROBERTSON CORBIN J III 1415 LOUISIANA STREET SUITE 2400 HOUSTON TX 77002 true false COMMON UNITS 2025-02-11 4 M 0 1183 A 216349 D COMMON UNITS 19663 I BY THE CORBIN JAMES ROBERTSON III 2009 FAMILY TRUST COMMON UNITS 39 I BY SPOUSE COMMON UNITS 9783 I BY CIII CAPITAL MANAGEMENT, LLC COMMON UNITS 10000 I BY BHJ INVESTMENTS, L.P. PHANTOM UNITS 2025-02-11 4 M 0 1183 A COMMON UNITS 1183 0 D Common units were issued upon conversion of phantom units representing the right to receive common units on a one-for-one basis, together with tandem distribution equivalent rights, previously awarded in February 2024. Phantom units vested on the one-year anniversary of the grant date and converted into common units on the reporting date. Accrued quarterly distributions made during the vesting period were paid in cash to the reporting person on the reporting date. The beneficiary of The Corbin James Robertson III 2009 Family Trust is the family of the reporting person. The reporting person is the Trust Advisor for the Corbin James Robertson III 2009 Family Trust and may be deemed to beneficially own the common units owned by the Corbin James Robertson III 2009 Family Trust. The reporting person disclaims beneficial ownership of these common units, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such common units. The reporting person disclaims beneficial ownership of these common units, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such common units. BHJ Investments, L.P. is a limited partnership of which the reporting person is the manager of the general partner. The limited partners of BHJ Investments, L.P. are the reporting person, his spouse, and a trust formed for the benefit of the reporting person's children in which the reporting person has no pecuniary interest. CORBIN J ROBERTSON III 2025-02-12