Public Ownership Report for quarter ended September 30, 2013

        October 16, 2013 [Download]

Top 100 Stockholders for quarter ended September 30, 2013

        October 9, 2013 [Download]

Certification on qualifications of independent director

(Circular No. 6938-2013)

        September 3, 2013 [Download]

Certification on qualifications of independent director

(Circular No. 6937-2013)

        September 3, 2013 [Download]

Supplement to previous disclosure re: resignation of director

(Circular No. 6676-2013)

          August 16, 2013 [Download]

Resignation/appointment of directors

(Circular No. 6582-2013)

          August 14, 2013 [Download]

Buy-back transaction on August 7, 2013

(Circular No. 6443-2013)

          August 08, 2013 [Download]

Buy-back transaction on August 5, 2013

(Circular No. 6338-2013)

          August 06, 2013 [Download]

Buy-back transaction on August 2, 2013

(Circular No. 6297-2013)

          August 05, 2013 [Download]

Buy-back transaction on August 1, 2013

(Circular No. 6251-2013)

          August 02, 2013 [Download]

Public Ownership Report for quarter ended June 30, 2013

          July 16, 2013 [Download]

Top 100 Stockholders for quarter ended June 30, 2013

          July 16, 2013 [Download]

Annual Corporate Governance Report for year 2012

(Circular No. 5616-2013)

          July 04, 2013 [Download]

New corporate business address

(Circular No. 5001-2013)

          June 19, 2013 [Download]

Request for extension to file SEC Form 17-Q for the quarter ended March 31, 2013

(Circular No. 4001-2013)

          May 15, 2013 [Download]

Amended Public Ownership Report for quarter ended March 31, 2013

          Apr 22, 2013 [Download]

Amended Public Ownership Report for quarter ended March 31, 2013

(Circular No. 3285-2013)

          Apr 22, 2013 [Download]

Request for extension to file SEC Form 17-A for the year ended December 31, 2012

(Circular No. 3059-2013)

          Apr 16, 2013 [Download]

Public Ownership Report for quarter ended March 31, 2013

          Apr 16, 2013 [Download]

Top 100 Stockholders for quarter ended March 31, 2013

         Apr 16, 2013 [Download]

Compliance Report on Corporate Governance for year 2012

          Apr 02, 2013 [Download]

Certification on compliance with Manual on Corporate Governance

(Circular No. 1051-2013)

         Jan 31, 2013 [Download]

Certification on attendance of members of Board of Directors for year 2012 (Circular No. 1050-2013)

         Jan 31, 2013 [Download]

Amended Public Ownership Report for quarter ended December 31, 2012

         Jan 29, 2013 [Download]

Amended Public Ownership Report for quarter ended December 31, 2012 (Circular No. 0898-2013)

         Jan 29, 2013 [Download]

Public Ownership Report for quarter ended December 31, 2012

         Jan 15, 2013 [Download]

Top 100 Stockholders for quarter ended December 31, 2012

         Jan 11, 2013 [Download]

2014 Disclosures

2012 Disclosures