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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1520006	Matador Resources Co	MTDR	Crude Petroleum & Natural Gas (1311)	274662601

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1540524	E David Lancaster	5400 Lbj Freeway, Suite 1500 Dallas TX 75240	Evp, Coo And Cfo	No	Yes	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Acquisiton	2012-12-07	2,000	$8.25	75,500	No	4	P	Indirect	See footnote

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	P	Indirect	See footnote

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Common Stock	193,125	Direct

Footnotes

Represents shares held of record by the reporting person's Individual Retirement Account.
Includes 10,625 shares of restricted stock granted to the reporting person on April 16, 2012. Such shares of restricted stock will vest in two equal biennial installments beginning on the second anniversary of the date of grant, April 16, 2014.
Includes 10,625 shares of restricted stock granted to the reporting person on April 16, 2012. Such shares of restricted stock will vest following the third anniversary of the date of grant, April 16, 2015, in an amount to be determined based upon the achievement of certain performance conditions as specified in the reporting person's award agreement.
Includes 10,625 restricted stock units granted to the reporting person on April 16, 2012. Such restricted stock units will vest, and an applicable number of shares of common stock will be deliverable to the reporting person, following the third anniversary of the date of grant, April 16, 2015, in an amount to be determined based upon the achievement of certain performance conditions as specified in the reporting person's award agreement.