Document 787-1

Case 1:20-cr-00330-PAE Document 787-1 Filed 07/21/25 Page 1 of 1 UNITED STATES DISTRICT COURT SOUTHERN DISTRICT OF NEW YORK UNITED STATES OF AMERICA, 1:20-CR-00330-PAE vs. GHISLAINE MAXWELL. AFFIDAVIT IN SUPPORT OF MOTION TO APPEAR PRO HAC VICE I, David Oscar Markus, hereby deposes and states as follows under penalty of perjury: 1. I am an attorney at Markus/Moss PLLC. 2. I submit this Affidavit in support of my Motion to Appear Pro Hac Vice in this case. 3. I am in good standing in the bar of the State of Florida. Certificate of Good Standing is annexed hereto. 4. I have never been convicted of a felony. 5. I have never been censured, suspended, disbarred, or denied admission or readmission by any court. 6. There are no disciplinary proceedings presently against me. 7. I hereby certify that the foregoing statements made by me are true. I am aware that if any of the foregoing statements made by me are willfully false, I am subject to punishment. Dated: July 21, 2025 NOTARIZED Carmen C Aguero Notary Public - State of Florida Commission # HH 256882 My Comm. Expires Jun 12, 2026 Bonded through National Notary Assn. David Oscar Markus DOJ-OGR-00015043