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 October 2006
BANCOLOMBIA S.A.
(Translation of Registrants name into English)
Calle 50 No. 51-66
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.)
(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.)
(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 registrants registration statement on Form F-3 (File No. 001-32535).
MORTGAGE SECURITIZATION
Medellín, Colombia. October 6, 2006.
BANCOLOMBIA announces that as of today, it has sold mortgage loans to Titularizadora
Colombiana amounting to approximately Ps. 580,000 million. These mortgage loans will be
secured by the Titularizadora through the issuance of securities TIPS E-8 in October 2006.
The purpose of this transaction is to transfer to the capital markets a portion of the
Banks mortgage loans, the total value of which in August 2006 was Ps. 1,863,601 million.