Additional Proxy Soliciting Materials (Form DEFA14A)

Step 1: Go to www.envisionreports.com/WD Step 2: Click on Cast Your Vote or Request Materials. Step 3: Follow the instructions on the screen to log in. www.envisionreports.com/WD Online Go to www.envisionreports.com/WD or scan the QR code - login details are located in the shaded bar below. Notice of Annual Meeting of Stockholders 048EFC Important Notice Regarding the Availability of Proxy Materials for Walker & Dunlop, Inc. Annual Meeting to be Held on May 19, 2026 Under Securities and Exchange Commission rules, you are receiving this notice that the proxy materials for the annual meeting of stockholders are available on the Internet. Follow the instructions below to view the materials and vote online or request a copy. The items to be voted on and location of the annual meeting are on the reverse side. Your vote is important! 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 and 2025 Annual Report to Stockholders are available at: Obtaining a Copy of the Proxy Materials - If you want to receive a copy of the proxy materials, you must request one. There is no charge to you for requesting a copy. Please make your request as instructed on the reverse side on or before May 5, 2026 to facilitate timely delivery. 2NOT Easy Online Access - View your proxy materials and vote. When you go online, you can also help the environment by consenting to receive electronic delivery of future materials. Step 4: Make your selections as instructed on each screen for your delivery preferences. Step 5: Vote your shares. Votes submitted electronically must be received by 11:59 p.m., Eastern Time on May 18, 2026 MMMMMMMMMMMM MMMMMMMMM 000001MR A SAMPLE DESIGNATION (IF ANY) ADD 1 ADD 2 ADD 3 ADD 4 ADD 5 ADD 6 ENDORSEMENT_LINE______________ SACKPACK_____________ 1234 5678 9012 345 C 1234567890 COY MMMMMMM

Here's how to order a copy of the proxy materials and select delivery preferences: Current and future delivery requests can be submitted using the options below. If you request an email copy, you will receive an email with a link to the current meeting materials. PLEASE NOTE: You must use the number in the shaded bar on the reverse side when requesting a copy of the proxy materials. - Internet - Go to www.envisionreports.com/WD. Click Cast Your Vote or Request Materials. - Phone - Call us free of charge at 1-866-641-4276. - Email - Send an email to [email protected] with "Proxy Materials Walker & Dunlop, Inc." in the subject line. Include your full name and address, plus the number located in the shaded bar on the reverse side, and state that you want a paper copy of the meeting materials. To facilitate timely delivery, all requests for a paper copy of proxy materials must be received by May 5, 2026. The 2026 Annual Meeting of Stockholders of Walker & Dunlop, Inc. will be held at Hilton Garden Inn, 600 S Colorado Blvd, Denver, CO 80246 on Tuesday, May 19, 2026, at 10:00 a.m. MT Proposals to be voted on at the meeting are listed below along with the Board of Directors' recommendations. The Board of Directors recommend a vote FOR the election of each of the eight nominees as director and FOR Proposals 2 and 3: 1. Election of Directors: 01 - Ellen Levy 02 - John Rice 03 - Dana L. Schmaltz 04 - William M. Walker 05 - Donna Wells 06 - Jeffrey R. Hayward 07 - Gary S. Pinkus 08 - Ernest Freedman 2. Ratification of the appointment of the independent registered public accounting firm 3. Advisory resolution to approve executive compensation PLEASE NOTE - YOU CANNOT VOTE BY RETURNING THIS NOTICE. To vote your shares you must go online or request a paper copy of the proxy materials to receive a proxy card, which will contain instructions for voting by mail or telephone. If you wish to attend and vote at the meeting, please bring this notice with you. For directions to the meeting and instructions on voting in person, contact our Investor Relations department at 301-202-3207. Notice of Annual Meeting of Stockholders