Exhibit 99.1

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Natural Resource Partners L.P.

1415 Louisiana St., Suite 3325, Houston, TX 77002

 

NEWS RELEASE

Natural Resource Partners L.P. Reports First Quarter 2026 Results and Declares First Quarter 2026 Distribution of $0.75 per Common Unit

 

HOUSTON, May 6, 2026 - Natural Resource Partners L.P. (NYSE:NRP) today reported first quarter 2026 results as follows:

 

   

For the Three Months Ended

   

Last Twelve Months Ended

 

(In thousands) (Unaudited)

 

March 31, 2026

 

Net income

  $ 19,619     $ 115,733  

Operating cash flow

    33,014       164,453  
                 

Free cash flow before investment in soda ash business

    33,772       167,396  

Investment in soda ash business

    (39,200 )     (39,200 )

Free cash flow (1)

    (5,428 )     128,196  
         
 

(1)

See "Non-GAAP Financial Measures" and reconciliation tables at the end of this release.

 

Highlights:

 

• Generated $33.8 million of free cash flow in the first quarter of 2026 before the $39.2 million capital investment in its soda ash business

• Paid fourth quarter 2025 distribution of $0.75 per common unit 

• Paid special cash distribution of $0.12 per common unit to help cover unitholder tax liabilities associated with owning NRP's common units in 2025 

• Declares first quarter 2026 common unit distribution of $0.75 per unit

 

"NRP generated $34 million of free cash flow in the first quarter of 2026 and $167 million of free cash flow over the last twelve months before accounting for the $39 million investment we made in our soda ash business," said Craig Nunez, NRP's president and chief operating officer. "We continue to generate substantial free cash flow despite ongoing headwinds for metallurgical coal, thermal coal, and soda ash.”

 

NRP announced today that the board of directors of its general partner declared a first quarter 2026 cash distribution of $0.75 per common unit to be paid on May 26, 2026, to unitholders of record on May 19, 2026. Future distributions on NRP's common units will be determined on a quarterly basis by the board of directors. The board of directors considers numerous factors each quarter in determining cash distributions including profitability, cash flow, debt service obligations, market conditions and outlook, estimated unitholder income tax liability, and the level of cash reserves that the board determines is necessary for future operating and capital needs.

 

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Segment Performance

 

Mineral Rights

 

Mineral Rights net income for the first quarter of 2026 decreased $11.7 million as compared to the prior year period. Operating cash flow and free cash flow decreased $1.4 million and $1.3 million, respectively, as compared to the prior year period. The decrease in net income was primarily due to lower metallurgical and thermal coal sales volumes and increased depletion rates at certain thermal properties. The declines in operating and free cash flow were also primarily due to lower metallurgical and thermal coal sales volumes partially offset by higher recoupments in the first quarter of 2025. Approximately 65% of coal royalty revenues and approximately 45% of coal royalty sales volumes were derived from metallurgical coal in the first quarter of 2026.

 

Mineral Rights segment results continue to be affected by weak global steel demand, low natural gas prices, and ample coal stockpiles at power plants.

 

NRP has no meaningful developments to report on its carbon neutral initiatives but continues to explore and make small-scale progress on opportunities to create value through carbon sequestration and renewable energy production across its vast portfolio of mineral and surface assets. 

 

Soda Ash

 

Soda Ash net income in the first quarter of 2026 decreased $12.5 million as compared to the prior year period primarily due to lower sales prices in 2026. Operating cash flow decreased $3.0 million as compared to the prior year period due to the $2.9 million distribution received in the first quarter of 2025, and no distribution in the first quarter of 2026. Free cash flow decreased $42.2 million in the first quarter of 2026 as compared to the prior year period primarily due to NRP's $39.2 million capital investment in Sisecam Wyoming in the first quarter of 2026. NRP and its managing partner made a capital investment into Sisecam Wyoming in the first quarter of 2026 to reduce outstanding amounts under its bank credit facility and better position it to compete in the current environment. Sisecam Wyoming’s managing partner also invested its pro-rata share of $40.8 million. NRP evaluated this investment as it would any other capital allocation opportunity, with the goal of maximizing NRP's intrinsic value per unit. 

 

The soda ash market remains significantly oversupplied due to the influx of natural soda ash supply from China coupled with weak demand for flat glass. NRP believes international soda ash prices are below the cost of production for most producers with no near-term market correction in sight. Due to the weak pricing environment, NRP has not received a distribution from Sisecam Wyoming since the second quarter of 2025 and does not expect to receive distributions until soda ash demand increases and/or capacity is rationalized, which NRP expects to take several years.

 

Corporate and Financing

 

Corporate and Financing net income increased $3.5 million, while operating cash flow and free cash flow each increased $2.9 million in the first quarter of 2026 as compared to the prior year period. These increases were primarily due to lower interest expense and cash paid for interest in the first quarter of 2026 as compared to the prior year period due to less debt outstanding. 

 

In February 2026, NRP paid a fourth quarter 2025 cash distribution of $0.75 per common unit and in March 2026, NRP paid a special cash distribution of $0.12 per common unit to help cover unitholder tax liabilities associated with owning NRP's common units in 2025. Today, NRP declared a first quarter 2026 cash distribution of $0.75 per common unit.  

 

NRP had $185.4 million of available liquidity at March 31, 2026, consisting of $31.5 million of cash and cash equivalents and $153.9 million of borrowing capacity available under its revolving credit facility. 

 

NRP's consolidated leverage ratio was 0.4 x at March 31, 2026

 

Conference Call

 

A conference call will be held today at 9:00 a.m. ET. To register for the conference call, please use this link: https://events.q4inc.com/analyst/564088592?pwd=AhU5Ffcw. After registering a confirmation will be sent via email, including dial in details and unique conference call codes for entry. Registration is open through the live call, however, to ensure you are connected for the full conference call we suggest registering at minimum 10 minutes prior to the start of the call. Investors may also listen to the call via the Investor Relations section of the NRP website at www.nrplp.com. To access the replay, please visit the Investor Relations section of NRP’s website.

 

Withholding Information for Foreign Investors

 

Concurrent with this announcement, we are providing qualified notice to brokers and nominees that hold NRP units on behalf of non-U.S. investors under Treasury Regulation Section 1.1446-4(b) and (d) and Treasury Regulation Section 1.1446(f)-4(c)(2)(iii). Brokers and nominees should treat one hundred percent (100%) of NRP's distributions to non-U.S. investors as being attributable to income that is effectively connected with a United States trade or business. In addition, brokers and nominees should treat one hundred percent (100%) of the distribution as being in excess of cumulative net income for purposes of determining the amount to withhold. Accordingly, NRP's distributions to non-U.S. investors are subject to federal income tax withholding at a rate equal to the sum of the highest applicable rate plus ten percent (10%).

 

Company Profile

 

Natural Resource Partners L.P., a master limited partnership headquartered in Houston, TX, is a diversified natural resource company that owns, manages and leases a diversified portfolio of properties in the United States including coal, industrial minerals and other natural resources, as well as rights to conduct carbon sequestration and renewable energy activities. NRP also owns an equity investment in Sisecam Wyoming LLC, one of the world’s lowest-cost producers of soda ash.

 

For additional information, please contact Tiffany Sammis at 713-751-7515 or tsammis@nrplp.com. Further information about NRP is available on the partnership’s website at http://www.nrplp.com.

 

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Forward-Looking Statements

 

This press release includes forward-looking statements as defined by the Securities and Exchange Commission. All statements, other than statements of historical facts, included in this press release that address activities, events or developments that the Partnership expects, believes or anticipates will or may occur in the future are forward-looking statements. These statements are based on certain assumptions made by the Partnership based on its experience and perception of historical trends, current conditions, expected future developments and other factors it believes are appropriate in the circumstances. Such statements are subject to a number of assumptions, risks and uncertainties, many of which are beyond the control of the Partnership. These risks include, among other things, statements regarding: future distributions on the Partnerships common units; the Partnership's business strategy; its liquidity and access to capital and financing sources; its financial strategy; prices of and demand for coal, trona and soda ash, and other natural resources; estimated revenues, expenses and results of operations; projected future performance by the Partnership's lessees; Sisecam Wyoming LLCs trona mining and soda ash refinery operations; distributions from the soda ash business; the impact of governmental policies, laws and regulations, as well as regulatory and legal proceedings involving the Partnership, and of scheduled or potential regulatory or legal changes; global and U.S. economic conditions; and other factors detailed in Natural Resource Partners Securities and Exchange Commission filings. Natural Resource Partners L.P. has no obligation to publicly update or revise any forward-looking statement, whether as a result of new information, future events or otherwise.

 

Non-GAAP Financial Measures

 

"Adjusted EBITDA" is a non-GAAP financial measure that we define as net income (loss) less equity earnings from unconsolidated investment; plus total distributions from unconsolidated investment, interest expense, net, debt modification expense, loss on extinguishment of debt, depreciation, depletion and amortization and asset impairments. Adjusted EBITDA should not be considered an alternative to, or more meaningful than, net income or loss, net income or loss attributable to partners, operating income or loss, cash flows from operating activities or any other measure of financial performance presented in accordance with GAAP as measures of operating performance, liquidity or ability to service debt obligations. There are significant limitations to using Adjusted EBITDA as a measure of performance, including the inability to analyze the effect of certain recurring items that materially affect our net income, the lack of comparability of results of operations of different companies and the different methods of calculating Adjusted EBITDA reported by different companies. In addition, Adjusted EBITDA presented below is not calculated or presented on the same basis as Consolidated EBITDA as defined in our partnership agreement or Consolidated EBITDDA as defined in Opco's debt agreements. Adjusted EBITDA is a supplemental performance measure used by our management and by external users of our financial statements, such as investors, commercial banks, research analysts and others to assess the financial performance of our assets without regard to financing methods, capital structure or historical cost basis.

 

“Distributable cash flow or "DCF" is a non-GAAP financial measure that we define as net cash provided by (used in) operating activities plus distributions from unconsolidated investment in excess of cumulative earnings, proceeds from asset sales and disposals, including sales of discontinued operations, and return of long-term contract receivable; less maintenance capital expenditures and capital to unconsolidated investment. DCF is not a measure of financial performance under GAAP and should not be considered as an alternative to cash flows from operating, investing or financing activities. DCF may not be calculated the same for us as for other companies. In addition, distributable cash flow is not calculated or presented on the same basis as distributable cash flow as defined in our partnership agreement, which is used as a metric to determine whether we are able to increase quarterly distributions to our common unitholders. Distributable cash flow is a supplemental liquidity measure used by our management and by external users of our financial statements, such as investors, commercial banks, research analysts and others to assess our ability to make cash distributions and repay debt.

 

“Free cash flow or "FCF" is a non-GAAP financial measure that we define as net cash provided by (used in) operating activities plus distributions from unconsolidated investment in excess of cumulative earnings and return of long-term contract receivable; less maintenance and expansion capital expenditures and cash flow used in acquisition costs classified as investing or financing activities and capital to unconsolidated investment. FCF is calculated before mandatory debt repayments. Free cash flow is not a measure of financial performance under GAAP and should not be considered as an alternative to cash flows from operating, investing or financing activities. Free cash flow may not be calculated the same for us as for other companies. Free cash flow is a supplemental liquidity measure used by our management and by external users of our financial statements, such as investors, commercial banks, research analysts and others to assess our ability to make cash distributions and repay debt.

 

"Leverage ratio" represents the outstanding principal of NRP's debt at the end of the period divided by the last twelve months' Adjusted EBITDA as defined above. NRP believes that leverage ratio is a useful measure to management and investors to evaluate and monitor the indebtedness of NRP relative to its ability to generate income to service such debt and in understanding trends in NRPs overall financial condition. Leverage ratio may not be calculated the same for NRP as for other companies and is not a substitute for, and should not be used in conjunction with, GAAP financial ratios. 

 

 

-Financial Tables and Reconciliation of Non-GAAP Measures Follow-

 

 

3

Natural Resource Partners L.P.
Financial Tables
(Unaudited)
 

Consolidated Statements of Comprehensive Income 

 

   

For the Three Months Ended

 
   

March 31,

   

December 31,

 

(In thousands, except per unit data)

 

2026

   

2025

   

2025

 

Revenues and other income

                       

Royalty and other mineral rights

  $ 43,297     $ 51,260     $ 45,875  

Transportation and processing services

    3,885       4,421       2,523  

Equity in earnings (loss) of Sisecam Wyoming

    (7,828 )     4,610       (1,686 )

Gain (loss) on asset sales and disposals

    (1 )     247        

Total revenues and other income

  $ 39,353     $ 60,538     $ 46,712  
                         

Operating expenses

                       

Operating and maintenance expenses

  $ 6,113     $ 6,776     $ 5,265  

Depreciation, depletion and amortization

    7,614       3,989       3,344  

General and administrative expenses

    5,034       6,832       5,948  

Asset impairments

          20        

Total operating expenses

  $ 18,761     $ 17,617     $ 14,557  
                         

Income from operations

  $ 20,592     $ 42,921     $ 32,155  
                         

Interest expense, net

  $ (973 )   $ (2,668 )   $ (1,157 )
                         

Net income

  $ 19,619     $ 40,253     $ 30,998  
                         

Net income attributable to common unitholders

  $ 19,227     $ 39,448     $ 30,378  

Net income attributable to the general partner

    392       805       620  
                         

Net income per common unit

                       

Basic

  $ 1.46     $ 3.01     $ 2.31  

Diluted

    1.44       2.97       2.27  
                         

Net income

  $ 19,619     $ 40,253     $ 30,998  

Comprehensive income (loss) from unconsolidated investment and other

    (140 )     2,260       (1,786 )

Comprehensive income

  $ 19,479     $ 42,513     $ 29,212  

 

4

Natural Resource Partners L.P.
Financial Tables
(Unaudited)

 

Consolidated Statements of Cash Flows

 

   

For the Three Months Ended

 
   

March 31,

   

December 31,

 

(In thousands)

 

2026

   

2025

   

2025

 

Cash flows from operating activities

                       

Net income

  $ 19,619     $ 40,253     $ 30,998  

Adjustments to reconcile net income to net cash provided by operating activities:

                       

Depreciation, depletion and amortization

    7,614       3,989       3,344  

Distributions from unconsolidated investment

          2,940        

Equity in (earnings) loss from unconsolidated investment

    7,828       (4,610 )     1,686  

Loss (gain) on asset sales and disposals

    1       (247 )      

Asset impairments

          20        

Bad debt expense

    (776 )     451       (111 )

Unit-based compensation expense

    1,164       2,717       3,015  

Amortization of debt issuance costs and other

    447       (168 )     (3,261 )

Change in operating assets and liabilities:

                       

Accounts receivable

    615       (149 )     1,966  

Accounts payable

    1,290       546       272  

Accrued liabilities

    (7,156 )     (7,990 )     1,719  

Accrued interest

    210       254       (423 )

Deferred revenue

    1,434       (3,227 )     7,211  

Other items, net

    724       (355 )     (1,651 )

Net cash provided by operating activities

  $ 33,014     $ 34,424     $ 44,765  
                         

Cash flows from investing activities

                       

Proceeds from asset sales and disposals

  $     $ 247     $  

Capital to unconsolidated investment

    (39,200 )            

Return of long-term contract receivable

    758       700       743  

Net cash provided by (used in) investing activities

  $ (38,442 )   $ 947     $ 743  
                         

Cash flows from financing activities

                       

Debt borrowings

  $ 61,200     $ 33,700     $ 13,000  

Debt repayments

    (34,000 )     (37,000 )     (49,331 )

Distributions to common unitholders and the general partner

    (11,763 )     (26,276 )     (10,054 )

Other items, net

    (8,646 )     (5,363 )     (1 )

Net cash provided by (used in) financing activities

  $ 6,791     $ (34,939 )   $ (46,386 )
                         

Net increase (decrease) in cash and cash equivalents

  $ 1,363     $ 432     $ (878 )

Cash and cash equivalents at beginning of period

    30,141       30,444       31,019  

Cash and cash equivalents at end of period

  $ 31,504     $ 30,876     $ 30,141  
                         

Supplemental cash flow information:

                       

Cash paid for interest

  $ 684     $ 2,371     $ 1,516  

 

5

Natural Resource Partners L.P.
Financial Tables
(Unaudited)

 

Consolidated Balance Sheets

 

   

March 31,

   

December 31,

 
    2026     2025  

(In thousands, except unit data)

 

(Unaudited)

       

ASSETS

               

Current assets

               

Cash and cash equivalents

  $ 31,504     $ 30,141  

Accounts receivable, net

    26,792       28,666  

Other current assets, net

    1,425       2,105  

Total current assets

  $ 59,721     $ 60,912  

Land

    24,007       24,008  

Mineral rights, net

    360,860       366,987  

Intangible assets, net

    10,426       11,908  

Equity in unconsolidated investment

    281,477       250,244  

Long-term contract receivable, net

    19,598       20,406  

Other long-term assets, net

    15,568       13,900  

Total assets

  $ 771,657     $ 748,365  

LIABILITIES AND CAPITAL

               

Current liabilities

               

Accounts payable

  $ 2,448     $ 1,159  

Accrued liabilities

    4,605       10,897  

Accrued interest

    279       69  

Current portion of deferred revenue

    7,029       6,663  

Current portion of long-term debt, net

    14,234       14,198  

Total current liabilities

  $ 28,595     $ 32,986  

Deferred revenue

    59,136       58,067  

Long-term debt, net

    46,084       18,884  

Other non-current liabilities

    5,310       5,909  

Total liabilities

  $ 139,125     $ 115,846  

Commitments and contingencies

               

Partners’ capital

               

Common unitholders’ interest (13,250,412 and 13,138,097 units issued and outstanding at March 31, 2026 and December 31, 2025, respectively)

  $ 624,902     $ 625,188  

General partner’s interest

    11,771       11,332  

Accumulated other comprehensive loss

    (4,141 )     (4,001 )

Total partners’ capital

  $ 632,532     $ 632,519  

Total liabilities and partners' capital

  $ 771,657     $ 748,365  

 

6

Natural Resource Partners L.P.
Financial Tables
(Unaudited)

 

Consolidated Statements of Partners' Capital

 

                           

Accumulated

         
                           

Other

   

Total

 
   

Common Unitholders

   

General

   

Comprehensive

   

Partners'

 

(In thousands)

 

Units

   

Amounts

   

Partner

   

Loss

   

Capital

 

Balance at December 31, 2025

    13,138     $ 625,188     $ 11,332     $ (4,001 )   $ 632,519  

Net income

          19,227       392             19,619  

Distributions to common unitholders and the general partner

          (11,528 )     (235 )           (11,763 )

Issuance of unit-based awards

    112                          

Unit-based awards amortization and vesting, net

          (7,985 )                 (7,985 )

Capital contribution

                282             282  

Comprehensive loss from unconsolidated investment and other

                      (140 )     (140 )

Balance at March 31, 2026

    13,250     $ 624,902     $ 11,771     $ (4,141 )   $ 632,532  

 

 

                           

Accumulated

         
                           

Other

   

Total

 
   

Common Unitholders

   

General

   

Comprehensive

   

Partners'

 

(In thousands)

 

Units

   

Amounts

   

Partner

   

Income (Loss)

   

Capital

 

Balance at December 31, 2024

    13,049     $ 543,231     $ 9,547     $ (1,670 )   $ 551,108  

Net income

          39,448       805             40,253  

Distributions to common unitholders and the general partner

          (25,750 )     (526 )           (26,276 )

Issuance of unit-based awards

    89                          

Unit-based awards amortization and vesting, net

          (3,175 )                 (3,175 )

Capital contribution

                187             187  

Comprehensive income from unconsolidated investment and other

                      2,260       2,260  

Balance at March 31, 2025

    13,138     $ 553,754     $ 10,013     $ 590     $ 564,357  

 

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Natural Resource Partners L.P.
Financial Tables
(Unaudited)

 

The following table presents NRP's unaudited business results by segment for the three months ended March 31, 2026 and 2025 and December 31, 2025:

 

   

Operating Segments

                 
   

Mineral

           

Corporate and

         

(In thousands)

 

Rights

   

Soda Ash

   

Financing

   

Total

 

For the Three Months Ended March 31, 2026

                               

Revenues

  $ 47,182     $     $     $ 47,182  

Equity in loss of Sisecam Wyoming

          (7,828 )           (7,828 )

Gain on asset sales and disposals

    (1 )                 (1 )

Total revenues and other income

  $ 47,181     $ (7,828 )   $     $ 39,353  

Asset impairments

  $     $     $     $  

Net income (loss)

  $ 33,530     $ (7,900 )   $ (6,011 )   $ 19,619  

Adjusted EBITDA (1)

  $ 41,140     $ (72 )   $ (5,034 )   $ 36,034  

Cash flow provided by (used in) continuing operations:

                               

Operating activities

  $ 41,827     $ (72 )   $ (8,741 )   $ 33,014  

Investing activities

  $ 758     $ (39,200 )   $     $ (38,442 )

Financing activities

  $ (1,256 )   $     $ 8,047     $ 6,791  

Distributable cash flow (1)

  $ 42,585     $ (39,272 )   $ (8,741 )   $ (5,428 )

Free cash flow (1)

  $ 42,585     $ (39,272 )   $ (8,741 )   $ (5,428 )
                                 

For the Three Months Ended March 31, 2025

                               

Revenues

  $ 55,681     $     $     $ 55,681  

Equity in earnings of Sisecam Wyoming

          4,610             4,610  

Gain on asset sales and disposals

    247                   247  

Total revenues and other income

  $ 55,928     $ 4,610     $     $ 60,538  

Asset impairments

  $ 20     $     $     $ 20  

Net income (loss)

  $ 45,208     $ 4,550     $ (9,505 )   $ 40,253  

Adjusted EBITDA (1)

  $ 49,213     $ 2,880     $ (6,833 )   $ 45,260  

Cash flow provided by (used in) continuing operations:

                               

Operating activities

  $ 43,223     $ 2,880     $ (11,679 )   $ 34,424  

Investing activities

  $ 947     $     $     $ 947  

Financing activities

  $ (841 )   $     $ (34,098 )   $ (34,939 )

Distributable cash flow (1)

  $ 44,170     $ 2,880     $ (11,679 )   $ 35,371  

Free cash flow (1)

  $ 43,923     $ 2,880     $ (11,679 )   $ 35,124  
                                 

For the Three Months Ended December 31, 2025

                               

Revenues

  $ 48,398     $     $     $ 48,398  

Equity in loss of Sisecam Wyoming

          (1,686 )           (1,686 )

Gain on asset sales and disposals

                       

Total revenues and other income

  $ 48,398     $ (1,686 )   $     $ 46,712  

Asset impairments

  $     $     $     $  

Net income (loss)

  $ 39,808     $ (1,701 )   $ (7,109 )   $ 30,998  

Adjusted EBITDA (1)

  $ 43,148     $ (15 )   $ (5,948 )   $ 37,185  

Cash flow provided by (used in) continuing operations:

                               

Operating activities

  $ 49,174     $ (15 )   $ (4,394 )   $ 44,765  

Investing activities

  $ 743     $     $     $ 743  

Financing activities

  $     $     $ (46,386 )   $ (46,386 )

Distributable cash flow (1)

  $ 49,917     $ (15 )   $ (4,394 )   $ 45,508  

Free cash flow (1)

  $ 49,917     $ (15 )   $ (4,394 )   $ 45,508  
         
 

(1)

See "Non-GAAP Financial Measures" and reconciliation tables at the end of this release.

        

8

Natural Resource Partners L.P.
Financial Tables
(Unaudited)

 

Operating Statistics - Mineral Rights

 

   

For the Three Months Ended

 
   

March 31,

   

December 31,

 

(In thousands, except per ton data)

 

2026

   

2025

   

2025

 

Coal sales volumes (tons)

                       

Appalachia

                       

Northern

    472       124       1,291  

Central

    2,967       3,306       2,969  

Southern

    329       296       686  

Total Appalachia

    3,768       3,726       4,946  

Illinois Basin

    2,420       3,342       1,264  

Northern Powder River Basin

    175       916       750  

Gulf Coast

    162       237       339  

Total coal sales volumes

    6,525       8,221       7,299  
                         

Coal royalty revenue per ton

                       

Appalachia

                       

Northern

  $ 1.42     $ 1.48     $ 1.48  

Central

    6.18       6.18       5.95  

Southern

    11.40       9.18       9.48  

Illinois Basin

    2.32       2.44       2.11  

Northern Powder River Basin

    6.19       4.55       4.36  

Gulf Coast

    0.83       0.78       0.79  

Combined average coal royalty revenue per ton

    4.53       4.36       4.42  
                         

Coal royalty revenues

                       

Appalachia

                       

Northern

  $ 671     $ 183     $ 1,909  

Central

    18,328       20,426       17,669  

Southern

    3,750       2,718       6,504  

Total Appalachia

    22,749       23,327       26,082  

Illinois Basin

    5,606       8,141       2,667  

Northern Powder River Basin

    1,084       4,169       3,269  

Gulf Coast

    135       184       267  

Unadjusted coal royalty revenues

    29,574       35,821       32,285  

Coal royalty adjustment for minimum leases

          (323 )     (7 )

Total coal royalty revenues

  $ 29,574     $ 35,498     $ 32,278  
                         

Other revenues

                       

Production lease minimum revenues

  $ 558     $ 2,725     $ 797  

Minimum lease straight-line revenues

    4,019       4,050       4,300  

Oil and gas royalty revenues

    1,386       2,444       1,410  

Carbon neutral revenues

    185       595       253  

Property tax revenues

    1,711       1,637       1,546  

Wheelage revenues

    1,990       1,738       1,855  

Coal overriding royalty revenues

    1,386       880       526  

Lease amendment revenues

    1,200       655       1,844  

Aggregates royalty revenues

    1,118       853       936  

Other revenues

    170       185       130  

Total other revenues

  $ 13,723     $ 15,762     $ 13,597  

Royalty and other mineral rights

  $ 43,297     $ 51,260     $ 45,875  

Transportation and processing services revenues

    3,885       4,421       2,523  

Gain (loss) on asset sales and disposals

    (1 )     247        

Total Mineral Rights segment revenues and other income

  $ 47,181     $ 55,928     $ 48,398  

 

 

 

 
9

Natural Resource Partners L.P.
Reconciliation of Non-GAAP Measures
(Unaudited)

 

Adjusted EBITDA

 

   

Mineral

           

Corporate and

         

(In thousands)

 

Rights

   

Soda Ash

   

Financing

   

Total

 

For the Three Months Ended March 31, 2026

                               

Net income (loss)

  $ 33,530     $ (7,900 )   $ (6,011 )   $ 19,619  

Add (Less): equity in (earnings) loss from unconsolidated investment

          7,828             7,828  

Add: total distributions from unconsolidated investment

                       

Add: interest expense, net

                973       973  

Add: depreciation, depletion and amortization

    7,610             4       7,614  

Add: asset impairments

                       

Adjusted EBITDA

  $ 41,140     $ (72 )   $ (5,034 )   $ 36,034  
                                 

For the Three Months Ended March 31, 2025

                               

Net income (loss)

  $ 45,208     $ 4,550     $ (9,505 )   $ 40,253  

Add (Less): equity in (earnings) loss from unconsolidated investment

          (4,610 )           (4,610 )

Add: total distributions from unconsolidated investment

          2,940             2,940  

Add: interest expense, net

                2,668       2,668  

Add: depreciation, depletion and amortization

    3,985             4       3,989  

Add: asset impairments

    20                   20  

Adjusted EBITDA

  $ 49,213     $ 2,880     $ (6,833 )   $ 45,260  
                                 

For the Three Months Ended December 31, 2025

                               

Net income (loss)

  $ 39,808     $ (1,701 )   $ (7,109 )   $ 30,998  

Add (Less): equity in (earnings) loss from unconsolidated investment

          1,686             1,686  

Add: total distributions from unconsolidated investment

                       

Add: interest expense, net

                1,157       1,157  

Add: depreciation, depletion and amortization

    3,340             4       3,344  

Add: asset impairments

                       

Adjusted EBITDA

  $ 43,148     $ (15 )   $ (5,948 )   $ 37,185  

 

10

Natural Resource Partners L.P.
Reconciliation of Non-GAAP Measures
(Unaudited)

 

Distributable Cash Flow and Free Cash Flow

 

   

Mineral

           

Corporate and

         

(In thousands)

 

Rights

   

Soda Ash

   

Financing

   

Total

 

For the Three Months Ended March 31, 2026

                               

Net cash provided by (used in) operating activities

  $ 41,827     $ (72 )   $ (8,741 )   $ 33,014  

Add: proceeds from asset sales and disposals

                       

Add: return of long-term contract receivable

    758                   758  

Less: capital to unconsolidated investment

          (39,200 )           (39,200 )

Distributable cash flow

  $ 42,585     $ (39,272 )   $ (8,741 )   $ (5,428 )

Less: proceeds from asset sales and disposals

                       

Free cash flow

  $ 42,585     $ (39,272 )   $ (8,741 )   $ (5,428 )
                                 

Net cash provided by (used in) investing activities

  $ 758     $ (39,200 )   $     $ (38,442 )

Net cash provided by (used in) financing activities

  $ (1,256 )   $     $ 8,047     $ 6,791  
                                 

For the Three Months Ended March 31, 2025

                               

Net cash provided by (used in) operating activities

  $ 43,223     $ 2,880     $ (11,679 )   $ 34,424  

Add: proceeds from asset sales and disposals

    247                   247  

Add: return of long-term contract receivable

    700                   700  

Distributable cash flow

  $ 44,170     $ 2,880     $ (11,679 )   $ 35,371  

Less: proceeds from asset sales and disposals

    (247 )                 (247 )

Free cash flow

  $ 43,923     $ 2,880     $ (11,679 )   $ 35,124  
                                 

Net cash provided by investing activities

  $ 947     $     $     $ 947  

Net cash used in financing activities

  $ (841 )   $     $ (34,098 )   $ (34,939 )
                                 

For the Three Months Ended December 31, 2025

                               

Net cash provided by (used in) operating activities

  $ 49,174     $ (15 )   $ (4,394 )   $ 44,765  

Add: proceeds from asset sales and disposals

                       

Add: return of long-term contract receivable

    743                   743  

Distributable cash flow

  $ 49,917     $ (15 )   $ (4,394 )   $ 45,508  

Less: proceeds from asset sales and disposals

                       

Free cash flow

  $ 49,917     $ (15 )   $ (4,394 )   $ 45,508  
                                 

Net cash provided by investing activities

  $ 743     $     $     $ 743  

Net cash used in financing activities

  $     $     $ (46,386 )   $ (46,386 )

 

11

Natural Resource Partners L.P.
Reconciliation of Non-GAAP Measures
(Unaudited)

 

Last Twelve Months (LTM) Free Cash Flow

 

   

For the Three Months Ended

         

(In thousands)

 

June 30, 2025

   

September 30, 2025

   

December 31, 2025

   

March 31, 2026

   

Last 12 Months

 

Net cash provided by operating activities

  $ 45,579     $ 41,095     $ 44,765     $ 33,014     $ 164,453  

Add: proceeds from asset sales and disposals

    730       906                   1,636  

Add: return of long-term contract receivable

    714       728       743       758       2,943  

Less: capital to unconsolidated investment

                      (39,200 )     (39,200 )

Distributable cash flow

  $ 47,023     $ 42,729     $ 45,508     $ (5,428 )   $ 129,832  

Less: proceeds from asset sales and disposals

    (730 )     (906 )                 (1,636 )

Free cash flow

  $ 46,293     $ 41,823     $ 45,508     $ (5,428 )   $ 128,196  

Add: investment in soda ash business

                      39,200       39,200  

Free cash flow before investment in soda ash business

  $ 46,293     $ 41,823     $ 45,508     $ 33,772     $ 167,396  

 

 

Leverage Ratio

 

   

For the Three Months Ended

         

(In thousands)

 

June 30, 2025

   

September 30, 2025

   

December 31, 2025

   

March 31, 2026

   

Last 12 Months

 

Net income

  $ 34,211     $ 30,905     $ 30,998     $ 19,619     $ 115,733  

Add (Less): equity in (earnings) loss from unconsolidated investment

    (2,526 )     2,390       1,686       7,828       9,378  

Add: total distributions from unconsolidated investment

    4,900                         4,900  

Add: interest expense, net

    2,380       1,779       1,157       973       6,289  

Add: depreciation, depletion and amortization

    3,754       3,868       3,344       7,614       18,580  

Add: asset impairments

                             

Adjusted EBITDA

  $ 42,719     $ 38,942     $ 37,185     $ 36,034     $ 154,880  
                                         

Debt—at March 31, 2026

                                  $ 60,415  
                                         

Leverage Ratio

                                 

0.4 x

 

 

   

For the Three Months Ended

         

(In thousands)

 

June 30, 2024

   

September 30, 2024

   

December 31, 2024

   

March 31, 2025

   

Last 12 Months

 

Net income

  $ 46,064     $ 38,595     $ 42,772     $ 40,253     $ 167,684  

Less: equity in earnings from unconsolidated investment

    (3,645 )     (8,109 )     (931 )     (4,610 )     (17,295 )

Add: total distributions from unconsolidated investment

    7,584       6,320       10,667       2,940       27,511  

Add: interest expense, net

    4,349       4,194       3,524       2,668       14,735  

Add: depreciation, depletion and amortization

    3,324       4,730       2,827       3,989       14,870  

Add: asset impairments

          87             20       107  

Adjusted EBITDA

  $ 57,676     $ 45,817     $ 58,859     $ 45,260     $ 207,612  
                                         

Debt—at March 31, 2025

                                  $ 139,047  
                                         

Leverage Ratio

                                 

0.7 x

 

 

-end-

 
12