Summary of MATADOR RESOURCES CO

Results of Operations and Financial Condition, Regulation FD Disclosure, Fin

Item 2.02 Results of Operations and Financial Condition.

Attached hereto as Exhibit 99.1 is a press release (the "Press Release") issued by Matador Resources Company (the "Company") on February 5, 2013, announcing its proved oil and natural gas reserves at December 31, 2012. The Press Release is incorporated by reference into this Item 2.02, and the foregoing description of the Press Release is qualified in its entirety by reference to this exhibit.

The information furnished pursuant to this Item 2.02, including Exhibit 99.1, shall not be deemed to be "filed" for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), and will not be incorporated by reference into any filing under the Securities Act of 1933, as amended (the "Securities Act"), unless specifically identified therein as being incorporated therein by reference.

In the Press Release, the Company has included as a "non-GAAP financial measure," as defined in Item 10 of Regulation S-K of the Exchange Act, present value discounted at 10% (pre-tax) of estimated total proved reserves ("PV-10"). In the Press Release, the Company has provided, where available, reconciliations of the non-GAAP financial measure to the most directly comparable financial measure calculated and presented in accordance with generally-accepted accounting principles ("GAAP") in the United States. In addition, in the Press Release, the Company has provided the reasons why the Company believes this non-GAAP financial measure provides useful information to investors.

Item 7.01 Regulation FD Disclosure.

Item 2.02 above is incorporated herein by reference.

The information furnished pursuant to this Item 7.01, including Exhibit 99.1, shall not be deemed to be "filed" for the purposes of Section 18 of the Exchange Act and will not be incorporated by reference into any filing under the Securities Act unless specifically identified therein as being incorporated therein by reference.