DALLAS, TX -- (Marketwire) -- 02/21/13 -- Dorchester Minerals, L.P. (the "Partnership") (NASDAQ: DMLP) announced today the Partnership's net income for the year ended December 31, 2012 of $38,022,000, or $1.20 per common unit.

A comparison of the Partnership's consolidated results for the twelve month periods ending December 31, 2012 and 2011 are set forth below:

                                              Twelve Months Ended

                                                  December 31,

                                          ---------------------------

                                               2012          2011

                                          ------------- -------------

      Operating Revenues                  $  63,204,000 $  69,489,000

      Net Income                             38,022,000    42,215,000



      Net Income Per Common Unit          $        1.20 $        1.33

The Partnership's operating revenues during the twelve months ending December 31, 2012 are lower than 2011 primarily due to lower natural gas prices, partially offset by increased lease bonus and oil production.

The Partnership's independent engineering consultants estimated its total proved oil and gas reserves to be 86.0 billion cubic feet of natural gas equivalents (bcfe) as of December 31, 2012. Approximately 33.9% of these reserves are attributable to the Partnership's Net Profits Interests and 66.1% are attributable to its Royalty Properties. Natural gas accounted for 74.6% of proved reserves as of December 31, 2012, all of which were classified as proved developed producing.

The Partnership distributed a total of $54.4 million to its common unitholders from May 2012 through February 2013 attributable to 2012 activity.

Dorchester Minerals, L.P. is a Dallas based owner of producing and non-producing crude oil and natural gas mineral, royalty, overriding royalty, net profits, and leasehold interests and its common units trade on the NASDAQ Global Select Market under the symbol DMLP.

FORWARD-LOOKING STATEMENTS

Portions of this document may constitute "forward-looking statements" as defined by federal law. Such statements are subject to certain risks, uncertainties and assumptions. Should one or more of these risks or uncertainties materialize, or should underlying assumptions prove incorrect, actual results may vary materially from those anticipated, estimated or projected. Examples of such uncertainties and risk factors include, but are not limited to, changes in the price or demand for oil and natural gas, changes in the operations on or development of the Partnership's properties, changes in economic and industry conditions and changes in regulatory requirements (including changes in environmental requirements) and the Partnership's financial position, business strategy and other plans and objectives for future operations. These and other factors are set forth in the Partnership's filings with the Securities and Exchange Commission.

Contact:

Casey McManemin3838 Oak Lawn Ave., Suite 300

Dallas, Texas 75219-4541

(214) 559-0300

Source: Dorchester Minerals, L.P.

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