Exhibit 16.1

April 15, 2014

Grant Thornton LLP

1717 Main Street, Suite 1500

Dallas, TX 75201-4667

T 214.561.2300

F 214.561.2370

GrantThornton.com

linkd.in/GrantThorntonUS

twitter.com/GrantThorntonUS

U.S. Securities and Exchange Commission

Office of the Chief Accountant                            

100 F Street, NE                                

Washington, DC 20549        

Re: Matador Resources Company

File No. 001-35410

Dear Sir or Madam:

We have read Item 4.01 of Form 8-K of Matador Resources Company dated April 15, 2014, and agree with the statements concerning our Firm contained therein.

Very truly yours,

/s/ GRANT THORNTON LLP