Exhibit 23.3

CONSENT OF INDEPENDENT PETROLEUM ENGINEERS

Board of Directors

Energy & Exploration Partners, Inc.

Fort Worth, Texas

We hereby consent to the references to Cawley, Gillespie & Associates, to the inclusion of our estimates of reserves contained in our reports entitled “Evaluation Summary, Energy & Exploration Partners, LLC Interests, Various Texas Counties, Proved, Probable and Possible Reserves, As of December 31, 2014”, “Evaluation Summary, Energy & Exploration Partners, LLC Interests, Grimes, Leon, and Madison Counties, Texas, Proved Reserves, As of December 31, 2013”, “Evaluation Summary, Energy & Exploration Partners, LLC Interests, Colorado and Texas, Proved Developed Producing Reserves, As of December 31, 2012” and “Evaluation Summary, Treadstone Energy Partners Acquisition Interests, Houston and Madison Counties, Texas, Proved Reserves, As of June 1, 2014” and to the specific references to Cawley, Gillespie & Associates as the independent petroleum engineering firm in this Form S-1 Registration Statement and any amendments thereto (collectively, the “Registration Statement”) and the prospectus to which the Registration Statement is related. We further consent to the inclusion of our letter reports dated January 14, 2015, January 7, 2013, March 27, 2014 and June 16, 2014 as exhibits to the Registration Statement.

Yours truly,

CAWLEY, GILLESPIE & ASSOCIATES, INC.

Fort Worth, Texas

April 29, 2015