6-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER
PURSUANT TO RULE 13a-16 OR 15d-16 OF
THE SECURITIES EXCHANGE ACT OF 1934

For the month of April, 2013

Comission File Number 001-32535

Bancolombia S.A.

(Translation of registrant’s name into English)

Cra. 48 # 26-85
Medellín, Colombia
(Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F þ                    Form 40-F o

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1):___

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(2):___

Indicate by check mark whether the registrant by furnishing the information contained in this form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.

Yes o                    No þ

If “Yes” is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b): 82-                    .

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

	BANCOLOMBIA S.A. (Registrant)
Date:  April 22, 2013	By:	/s/  JAIME ALBERTO VELÁSQUEZ B.
		Name:	Jaime Alberto Velásquez B.
		Title:	Vice President of Strategy and Finance

EX-99.1

BANCOLOMBIA ANNOUNCES APPOINTMENT OF CHIEF HUMAN RESOURCES OFFICER

Medellin - Colombia, April 22, 2013

At a meeting held today, the Board of Directors of Bancolombia S.A. (“Bancolombia”) appointed Mr. Luis Arturo Penagos Londoño as Chief Human Resources Officer.

Mr. Penagos holds a public accountant degree from Universidad de Antioquia – Medellín, a postgraduate degree in finance from Universidad EAFIT, a master’s degree in administration from Universidad EAFIT, and he has been an international ontological coach since 2011.

Mr. Penagos has been affiliated with Bancolombia since 1993, performing roles such as, comptroller of Conavi, Chief Internal Auditor and Chief Administrative Officer.

Mr. Augusto Restrepo Gómez, who was performing the role of Chief Human Resources Officer, will now lead the acquisition and integration of HSBC Panama.

Contacts
Sergio Restrepo	Jaime A. Velásquez	Jose Humberto Acosta	Alejandro Mejía
Capital Markets VP	Strategy and Finance VP	Financial VP	IR Manager
Tel.: (574) 4041424	Tel.: (574) 4042199	Tel: (571) 4885934	Tel.: (574) 4041837