ASUR Announces Total Passenger Traffic for September 2009 Down 10.7% Year Over Year

• Press Release
• Source: Grupo Aeroportuario del Sureste, S.A.B. de C.V.
• On 9:20 am EDT, Tuesday October 6, 2009

MEXICO CITY, Oct. 6 /PRNewswire-FirstCall/ -- Grupo Aeroportuario del Sureste, S.A.B. de C.V. (NYSE: ASR; BMV: ASUR) (ASUR), today announced that total passenger traffic for September 2009 decreased by 10.7% when compared to September 2008.

All figures in this announcement reflect comparisons between September 1 through September 30, 2008 and 2009. Transit and general aviation passengers are excluded.

                                         Domestic
                                         --------
    Airport                     September        September
                                  2008             2009            % Change
    Cancun                       219,775          211,420            (3.8)
    Cozumel                        3,270            2,654           (18.8)
    Huatulco                      20,359           18,665            (8.3)
    Merida                        84,158           69,600           (17.3)
    Minatitlan                    12,442           12,332            (0.9)
    Oaxaca                        39,548           30,518           (22.8)
    Tapachula                     16,573           11,128           (32.9)
    Veracruz                      67,835           61,867            (8.8)
    Villahermosa                  68,633           55,696           (18.8)
    ------------                  ------           ------           -----
    Total Domestic               532,593          473,880           (11.0)
    --------------               -------          -------           -----

                                       International
                                       -------------
    Airport                     September        September
                                  2008             2009            % Change
    Cancun                       424,580          378,004           (11.0)
    Cozumel                       11,082            9,641           (13.0)
    Huatulco                         715              785             9.8
    Merida                         5,230            5,074            (3.0)
    Minatitlan                       392              310           (20.9)
    Oaxaca                         2,525            3,343            32.4
    Tapachula                        249              322            29.3
    Veracruz                       5,427            5,586             2.9
    Villahermosa                   3,467            3,958            14.2
    ------------                   -----            -----            ----
    Total International          453,667          407,023           (10.3)
    -------------------          -------          -------           -----

                                          Total
                                          -----
    Airport                     September        September
                                  2008             2009            % Change
    Cancun                       644,355          589,424            (8.5)
    Cozumel                       14,352           12,295           (14.3)
    Huatulco                      21,074           19,450            (7.7)
    Merida                        89,388           74,674           (16.5)
    Minatitlan                    12,834           12,642            (1.5)
    Oaxaca                        42,073           33,861           (19.5)
    Tapachula                     16,822           11,450           (31.9)
    Veracruz                      73,262           67,453            (7.9)
    Villahermosa                  72,100           59,654           (17.3)
    ------------                  ------           ------           -----
    ASUR Total                   986,260          880,903           (10.7)
    ----------                   -------          -------           -----

About ASUR:

Grupo Aeroportuario del Sureste, S.A.B. de C.V. (ASUR) is a Mexican airport operator with concessions to operate, maintain and develop the airports of Cancun, Merida, Cozumel, Villahermosa, Oaxaca, Veracruz, Huatulco, Tapachula and Minatitlan in the southeast of Mexico. The Company is listed both on the Mexican Bolsa, where it trades under the symbol ASUR, and on the NYSE in the U.S., where it trades under the symbol ASR. One ADS represents ten (10) series B shares.

Buzz up!