BANCO DE CHILE REPORT ON FORM 6-K (Form 6-K)

BANCO DE CHILE

REPORT ON FORM 6-K

Attached is an English translation of a letter filed by Banco de Chile with the Chilean Financial Market Commission and local stock exchanges, informing as Material Information that Banco de Chile placed certain bonds in the offshore market.

Santiago, May 12, 2026

Mrs.

Catherine Tornel León

President

Financial Market Commission

Present

Of our consideration:

Pursuant to Articles 9 and 10 of Law No. 18,045, Chapter No. 18-10 of the Restated Regulations for Banks issued by the Financial Market Commission ("CMF"), duly authorized for this purpose, I inform you the following as Material Information regarding this institution:

Today, May 12, 2026, Banco de Chile has carried out a placement of bonds in the offshore market, issued under its Medium Term Notes Program ("MTN"), for a total amount of MXN (Mexican Peso) 700,000,000, with a maturity date of May 11, 2033, at a placement rate of TIIE (28 days) + 0.95%.

Sincerely,

Sergio Karlezi Aboitiz

Treasury Division Manager