CIMAREX ENERGY CO. Important Notice Regarding the Availability of Proxy Materials for the Annual Meeting of Shareholders to be held on May 8, 2019 Wells Fargo Center - Denver, Assemble Room (Lower Level 2), 1700 Lincoln Street, Denver, Colorado 80203 This communication presents only an overview of the more complete proxy materials that are available to you on the Internet. We encourage you to access and review all of the important information contained in the proxy materials before voting. The Proxy Statement, form of proxy, and Annual Report on Form 10-K are available at www.allianceproxy.com/cimarex/2019. If you want to receive a paper or e-mail copy of these documents, you must request one. There is no charge to you for requesting a copy. Please make your request for a copy as instructed below on or before April 30, 2019 to facilitate timely delivery. Unless requested, you will not receive a paper or e-mail copy. Important information regarding the Internet availability of the Company’s proxy materials, instructions for accessing your proxy materials and voting online, and instructions for requesting paper or e-mail copies of your proxy materials are provided reverse side of this Notice. on the SHAREHOLDERS ARE CORDIALLY INVITED TO ATTEND THE ANNUAL MEETING AND VOTE IN PERSON. The Securities and Exchange Commission rules permit us to make our proxy materials available to our shareholders via the Internet. Material for this annual meeting and future meetings may be requested by one of the following methods: To view your proxy materials online, go to http://www.allianceproxy.com/cimarex/2019 Have the 11 digit control number available when you access the website and follow the instructions. 877-777-2857 TOLL FREE requests@viewproxy.com * If requesting material by e-mail, please send a blank e-mail with the company name and your 11 digit control number (located below) in the subject line. No other requests, instructions or other inquiries should be included with your e-mail requesting material. You must use the 11 digit control number located in the box below. CONTROL NO. E-MAIL TELEPHONE INTERNET To the Shareholders of CIMAREX ENERGY CO. Notice is hereby given that the Annual Meeting of Shareholders of Cimarex Energy Co. will be held on May 8, 2019 at 9:00 a.m. Mountain Daylight Time at the Wells Fargo Center - Denver, Assemble Room (Lower Level 2), 1700 Lincoln Street, Denver, Colorado 80203 for the following purposes: 1. Election of three Class II directors: (01) Hans Helmerich, (02) Harold R. Logan, Jr., (03) Monroe W. Robertson 2. Advisory vote to approve executive compensation 3. Approve 2019 Equity Incentive Plan 4. Ratify the appointment of KPMG LLP as our independent auditors for 2019 The Board of Directors recommends a vote “FOR” all the nominees listed under Item 1, and “FOR” Items 2, 3, and 4.
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