CONFORMED COPY 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 1933 For the month of April 2007 BANCOLOMBIA S.A. (Translation of Registrant's name into English) Calle 50 No. 51-66 Medellin, 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 X Form 40-F ----- ----- (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 No X ----- ----- (If "Yes" is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b): 82-______________.) This Report on Form 6-K shall be incorporated by reference into the registrant's registration statement on Form F-3 (File No. 001-32535). 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 9, 2007 By /s/ JAIME ALBERTO VELASQUEZ B. ------------------------------------- Name: Jaime Alberto Velasquez B. Title: Vice President of Finance CIB LISTED (BANCOLOMBIA LOGO) NYSE BANCOLOMBIA (PANAMA) S.A HAS STARTED A PUBLIC TENDER OFFER FOR BANAGRICOLA S.A MEDELLIN, COLOMBIA, APRIL 9, 2007 BANCOLOMBIA S.A. announces that today, and subject to publication of the appropriate notices, its affiliate BANCOLOMBIA (PANAMA), S.A. has started a public tender offer simultaneously in El Salvador and Panama, for the acquisition of not less than 53.089144 % and up to of 100 % of the common shares of BANAGRICOLA S.A. The offer expires on May 8, 2007. CONTACTS SERGIO RESTREPO JAIME A. VELASQUEZ MAURICIO BOTERO EXECUTIVE VP FINANCIAL VP IR MANAGER TEL.: (574) 5108668 TEL.: (574) 5108666 TEL.: (574) 5108866