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 ...

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 March 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 ...