Riley Exploration Permian, Inc.

2025 YOUR VOTE IS IMPORTANT. PLEASE VOTE TODAY. Vote by Internet - QUICK EASY IMMEDIATE - 24 Hours a Day, 7 Days a Week or by Mail RILEY EXPLORATION PERMIAN, INC. Your Internet vote authorizes the named proxies to vote your shares in the same manner as if you marked, signed and returned your proxy card. Votes submitted electronically over the Internet must be received by 11:59 p.m., Eastern Time, on May 8, 2025. INTERNET – www.cstproxyvote.com Use the Internet to vote your proxy. Have your proxy card available when you access the above website. Follow the prompts to vote your shares. Vote at the Meeting – If you plan to attend the virtual online annual meeting, you will need your 12 digit control number to vote electronically at the annual meeting. To attend; https://cstproxy.com/rileypermian/2025 MAIL – Mark, sign and date your proxy card and return it in the postage-paid envelope provided prior to the annual meeting. PLEASE DO NOT RETURN THE PROXY CARD IF YOU ARE VOTING ELECTRONICALLY. FOLD HERE • DO NOT SEPARATE • INSERT IN ENVELOPE PROVIDED PROXY THE BOARD OF DIRECTORS RECOMMENDS A VOTE “FOR” PROPOSALS 1 AND 2, AND“EVERY YEAR” FOR PROPOSAL 3. 1. Election of Directors (1) Brent Arriaga (2) Rebecca L. Bayless (3) Beth A. di Santo (4) Bryan H. Lawrence (5) E. Wayne Nordberg (6) Bobby D. Riley (Instruction: To withhold authority to vote for any individual nominee, strike a line through that nominee’s name in the list above) FOR all Nominees listed to the left FOR AGAINST ABSTAIN Ratification of BDO USA, LLP as independent registered public accounting firm. Please mark your votes like this X An advisory vote to approve the frequency of future advisory votes to approve compensation of our Named Executive Officers. EVERY TWO YEARS EVERY THREE YEARS ABSTAIN EVERY YEAR (Instruction: To withhold authority to vote for any individual nominee, strike a line through that nominee’s name in the list above) CONTROL NUMBER Signature______________________________ Signature, if held jointly__________________________________ Date_____________2025.Note: Please sign exactly as name appears hereon. When shares are held by joint owners, both should sign. When signing as attorney, executor, administrator, trustee, guardian, or corporate officer, please give title as such.

2025 Important Notice Regarding the Internet Availability of Proxy Materials for the Annual Meeting of Stockholders To view the 2025 Proxy Statement, Annual Report on Form 10-K for the fiscal year ended December 31, 2024, and to attend the 2025 Annual Meeting, please go to: https://www.cstproxy.com/rileypermian/2025 FOLD HERE • DO NOT SEPARATE • INSERT IN ENVELOPE PROVIDED PROXY 196715 Riley Exploration Permian Proxy Card Back THIS PROXY IS SOLICITED ON BEHALF OF THE BOARD OF DIRECTORS OF RILEY EXPLORATION PERMIAN, INC. The undersigned appoints BETH DI SANTO and PHILIP RILEY, and each of them as proxies, each with the power to appoint his substitute, and authorizes each of them to represent and to vote, as designated on the reverse hereof, all of the shares of common stock of RILEY EXPLORATION PERMIAN, INC. held of record by the undersigned at the close of business on March 18, 2025 at the Annual Meeting of Stockholders of RILEY EXPLORATION PERMIAN, INC. to be held on May 9, 2025, or at any adjournment thereof. THIS PROXY WHEN PROPERLY EXECUTED WILL BE VOTED AS INDICATED. IF NO CONTRARY INDICATION IS MADE, THE PROXY WILL BE VOTED IN FAVOR OF ELECTING THE SIX NOMINEES TO THE BOARD OF DIRECTORS, AND IN FAVOR OF PROPOSAL 2, AND “EVERY YEAR” FOR PROPOSAL 3, AND IN ACCORDANCE WITH THE JUDGMENT OF THE PERSONS NAMED AS PROXY HEREIN ON ANY OTHER MATTERS THAT MAY PROPERLY COME BEFORE THE ANNUAL MEETING. THIS PROXY IS SOLICITED ON BEHALF OF THE BOARD OF DIRECTORS. (Continued and to be marked, dated and signed on reverse side)