Financial Report Date 4th Quarter 2012 Feb 25, 2013 3rd Quarter 2012 Oct 24, 2012 2nd Quarter 2012 Jul 25, 2012 20-F 2011 May 7, 2012 1st Quarter 2012 Apr 25, 2012 4th Quarter 2011 Feb 24, 2012 3rd Quarter 2011 Oct 20, 2011 2nd Quarter 2011 Jul 21, 2011 20-F 2010 May 5, 2011 1st Quarter 2011 Apr 26, 2011 4th Quarter 2010 Feb 23, 2011 3rd Quarter 2010 Oct 20, 2010 2nd Quarter 2010 Jul 22, 2010 20-F 2009 Jun 10, 2010 1st Quarter 2010 Apr 22, 2010 4th Quarter 2009 Feb 18, 2010 3rd Quarter 2009 Oct 22, 2009 2nd Quarter 2009 Jul 27, 2009 20-F 2008 Jun 10, 2009 Annual Report 2008 May 5, 2009 1st Quarter 2009 Apr 23, 2009 4th Quarter 2008 Feb 19, 2009

Note: The dates mentioned above are probable publication dates for financial reports, according to ASUR’s estimates. They should not be considered official dates, as they may be subject to change.