Model of Written Power of Attorney for Entities (Model of Written Power of Attorney for Entities)

, of legal age, identified with ID number , issued in

, acting as legal representative of , identified with ID

, given its condition as Shareholder of BANCOLOMBIA S.A., by means of this document I confer special, broad and sufficient power of attorney to , also legal age, identified with ID number issued in , to represent the mentioned shareholder entity at the Extraordinary Shareholders' Meeting of Bancolombia S.A., which will be held on Thursday, May 29th, 2025, at 7:00 a.m., at the headquarters of the bank which are located at Carrera 48 # 26-85, Torre Sur, 11thfloor, in the city of Medellín.

If the meeting is postponed or suspended, this power of attorney will be valid for subsequent meetings that are a consequence or continuation to it.

The proposed agenda of the meeting is as follows:

1. Verification of the Quorum

2. Reading of the agenda

3. Election of commission for vote count, approval, and execution of the minutes

4. Proposal regarding the remuneration of individuals concurrently serving as members of the Boards of Directors of Bancolombia S.A. and Grupo Cibest S.A.

5. General authorization for the execution of recurring transactions and within the ordinary course of business between Bancolombia S.A. and Grupo Cibest S.A.

   I hereby certify that the attorney in fact has precise instructions for voting on the proposals. Attached:

   • Copy of the ID of the shareholder's legal representative

   • Certificate of existence and representation with no more than 3 months since issued Sincerely,

ID:

Company: Date:

Phone number: Email address: