Insider Transaction of Silvina Vatnick in Grupo Cibest S.A.

Silvina Vatnick, a director at Grupo Cibest S.A., disposed of 1117.14 units in the Grupo Cibest Equity Securities Fund on April 15, 2026. The transaction was settled in cash, with each unit valued at approximately $7.68. These units represent Vatnick's participation in a voluntary pension fund sponsored by the issuer and administered by an independent third party. The fund primarily invests in Grupo Cibest's common and preferred shares. Vatnick does not exercise voting or investment discretion over the fund's assets. Following this transaction, Vatnick holds 23775.9641 units in the fund. The instrument has no expiration date. The filing was made on Form 4, signed by an attorney-in-fact.