Revenue and Sales Performance - Operating revenues increased 92% from $12.5 million during Q3 2020 to $24.0 million during Q3 2021, driven by higher Royalty Properties oil sales volumes and prices [65]. - Oil sales volumes attributable to Royalty Properties remained consistent from Q3 2020 to Q3 2021, with oil sales volumes of 271 mbbls in Q3 2021, a 4% increase from 260 mbbls in Q3 2020 [61]. - Natural gas sales volumes attributable to Royalty Properties were 971 mmcf in Q3 2021, consistent with 973 mmcf in Q3 2020 [61]. - Average sales price for Royalty Properties oil increased 67% from $36.34 per bbl in Q3 2020 to $60.65 per bbl in Q3 2021 [61]. - Cash receipts from Royalty Properties in Q3 2021 totaled $17.3 million, with 77% from oil and natural gas sales during May to August 2021 [71]. - Average prices for oil and natural gas sales from Royalty Properties were $59.96/bbl and $3.03/mcf, respectively [71]. - Cash receipts from Net Profits Interests (NPI) in Q3 2021 amounted to $3.3 million, with average prices of $59.42/bbl for oil and $3.26/mcf for natural gas [72]. Expenses and Costs - General and administrative expenses decreased 59% from $2.2 million in Q3 2020 to $0.9 million in Q3 2021, primarily due to non-recurring costs related to the Hugoton NPI divestiture [68]. - Operating costs, including production taxes, increased 40% from $1.5 million in Q3 2020 to $2.1 million in Q3 2021, mainly due to higher production taxes [66]. - NPI natural gas sales decreased 42% from 528 mmcf in Q3 2020 to 304 mmcf in Q3 2021, reflecting lower production levels [61]. Cash Flow and Liquidity - Net cash provided by operating activities increased 48% from $32.0 million during the first nine months of 2020 to $47.5 million during the same period in 2021 [69]. - Cash and cash equivalents increased to $22.3 million as of September 30, 2021, up from $11.2 million at December 31, 2020 [79]. - The company expects sufficient liquidity to fund distributions to unitholders despite uncertainties from COVID-19 and market volatility [77]. - Approximately 23% of cash receipts were from prior sales periods, indicating ongoing revenue streams [71]. - The current economic environment remains volatile, impacting future cash flows and liquidity [77]. - The company anticipates that expenses will vary with oil and natural gas sales prices, affecting liquidity management [74]. Capital Commitments and Financial Stability - The company had outstanding capital commitments of $1.7 million as of September 30, 2021, primarily in the Bakken region [52]. - The partnership agreement restricts incurring indebtedness beyond $50,000, ensuring financial stability [76]. - The company does not have liabilities for exploration or production costs, minimizing financial risk [75].

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2021 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from __________ to __________ Commission File Number: 000-50175 DORCHESTER MINERALS, L.P. (Exact name of registrant as specified in its charter) De ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2021 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from __________ to __________ Commission File Number: 000-50175 DORCHESTER MINERALS, L.P. (Exact name of registrant as specified in its charter) D ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K ☒ Annual Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 for the fiscal year ended December 31, 2020 or ☐ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 for the transition Period from ________to__________ Commission File Number: 000-50175 DORCHESTER MINERALS, L.P. (Exact name of registrant as specified in its charter) Delaware (State or o ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2020 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from __________ to __________ Commission File Number: 000-50175 DORCHESTER MINERALS, L.P. (Exact name of registrant as specified in its charte ...

Revenue Performance - Operating revenues decreased 67% from $20.6 million in Q2 2019 to $6.8 million in Q2 2020, and 44% from $39.6 million to $22.3 million for the first six months of 2020 compared to the same period in 2019[53]. - Royalty properties natural gas sales volumes decreased by 31% in Q2 2020 compared to Q2 2019, while oil sales volumes decreased by 17% in the same period[50]. Cash Flow and Receipts - Cash receipts from Royalty Properties in Q2 2020 totaled $6.3 million, with weighted average indicated prices of $25.36/bbl for oil and $1.29/mcf for natural gas[60]. - Cash receipts from NPIs in Q2 2020 amounted to $4.0 million, with weighted average indicated prices of $37.49/bbl for oil and $1.74/mcf for natural gas[61]. - Net cash provided by operating activities decreased 25% to $26.4 million for the first six months of 2020 compared to $35.3 million in the same period of 2019[57]. Expenses and Costs - General and administrative expenses increased 33% to $3.2 million in the first six months of 2020 compared to $2.4 million in the same period of 2019[56]. - Operating costs decreased 22% from $1.8 million in Q2 2019 to $1.4 million in Q2 2020, and 18% from $3.4 million to $2.8 million for the first six months of 2020[54]. Financial Position and Liquidity - The Minerals NPI was in a deficit position as of June 30, 2020, with outstanding capital commitments of $2.6 million, exceeding cash on hand of $2.5 million[43]. - The company anticipates sufficient liquidity to fund distributions to unitholders despite uncertainties from the COVID-19 pandemic and oil market volatility[65]. - Cash and cash equivalents totaled $11.8 million as of June 30, 2020, down from $15.3 million at December 31, 2019[69]. Operational Outlook - The company continues to evaluate opportunities to increase production based on prevailing market conditions in Oklahoma[66]. - The Operating Partnership believes it has sufficient field compression and permits for vacuum operation for the foreseeable future[68]. Accounting Policies - No significant changes to critical accounting policies and related estimates were reported as of June 30, 2020[70].

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2020 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from __________ to __________ Commission File Number 000-50175 DORCHESTER MINERALS, L.P. (Exact name of registrant as specified in its charter) Delaware (Sta ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K ☒ Annual Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 for the fiscal year ended December 31, 2019 or ☐ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 for the transition Period from ________to__________ Commission File Number: 000-50175 DORCHESTER MINERALS, L.P. (Exact name of registrant as specified in its charter) Delaware (State or o ...

Title of each class Trading Symbol(s) Name of each exchange on which registered Common Units Representing Limited Partnership Interest DMLP NASDAQ Global Select Market Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC. 20549 FORM 10-Q [X] QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2019 or [ ] TRANSITION REPORT PURSUANT TO SECTION 13 or 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the ...

Table of Contents Title of each class Trading Symbol(s) Name of each exchange on which registered Common Units Representing Limited Partnership Interest DMLP NASDAQ Global Select Market UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC. 20549 FORM 10-Q [X] QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2019 or [ ] TRANSITION REPORT PURSUANT TO SECTION 13 or 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the tran ...