X0609 4 2026-08-25 0001843162 Chicago Atlantic BDC, Inc. LIEN 0001968789 Colonna Bernardino false C/O CHICAGO ATLANTIC BDC, INC. 600 MADISON AVENUE, SUITE 1800 NEW YORK NY 10022 false true false false President false Common Stock 2026-08-25 4 P false 400 10.175 A 2830 D Common Stock 2026-08-26 4 P false 600 10.156 A 3430 D Common Stock 2026-08-27 4 P false 600 10.1767 A 4030 D The price reported reflects the weighted-average purchase price from several discrete transactions executed throughout the Transaction Date at prices that ranged from $10.10 to $10.20 per share. Upon request, the Reporting Person has agreed to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission full information regarding the number of shares purchased at each price within the range set forth in this footnote. The price reported reflects the weighted-average purchase price from several discrete transactions executed throughout the Transaction Date at prices that ranged from $10.15 to $10.16 per share. Upon request, the Reporting Person has agreed to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission full information regarding the number of shares purchased at each price within the range set forth in this footnote. The price reported reflects the weighted-average purchase price from several discrete transactions executed throughout the Transaction Date at prices that ranged from $10.16 to $10.18 per share. Upon request, the Reporting Person has agreed to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission full information regarding the number of shares purchased at each price within the range set forth in this footnote. /s/ Bernardino Colonna 2026-08-27