ASUR Announces Total Passenger Traffic for December 2008 Up 1.0% Year over Year

MEXICO CITY, Jan. 7 /PRNewswire-FirstCall/ -- Grupo Aeroportuario del Sureste, S.A.B. de C.V. (NYSE: ASR; BMV: ASUR) (ASUR), today announced that total passenger traffic for December 2008 increased by 1.0% when compared to December 2007.

All figures in this announcement reflect comparisons between December 1 through December 30, 2007 and 2008. Transit and general aviation passengers are excluded.

                                   Domestic
                                   --------
    Airport              December           December        % Change
                           2007               2008

    Cancun               296,240            277,469           (6.3)
    Cozumel               10,816              6,100          (43.6)
    Huatulco              26,063             31,574           21.1
    Merida               116,965             90,418          (22.7)
    Minatitlan            15,028             12,528          (16.6)
    Oaxaca                48,143             52,393            8.8
    Tapachula             21,053             21,339            1.4
    Veracruz              76,878             75,380           (1.9)
    Villahermosa          83,089             67,652          (18.6)
    Total Domestic       694,275            634,853           (8.6)

                                International
                                -------------
    Airport              December           December        % Change
                           2007               2008

    Cancun               729,543            810,842           11.1
    Cozumel               32,632             28,764          (11.9)
    Huatulco               9,438              8,087          (14.3)
    Merida                11,482              8,619          (24.9)
    Minatitlan               385                305          (20.8)
    Oaxaca                 4,027              5,238           30.1
    Tapachula                213                284           33.3
    Veracruz               5,811              5,629           (3.1)
    Villahermosa           4,466              4,543            1.7
    Total International  797,997            872,311            9.3

                                  Total
                                  -----
    Airport              December           December        % Change
                           2007               2008

    Cancun             1,025,783          1,088,311            6.1
    Cozumel               43,448             34,864          (19.8)
    Huatulco              35,501             39,661           11.7
    Merida               128,447             99,037          (22.9)
    Minatitlan            15,413             12,833          (16.7)
    Oaxaca                52,170             57,631           10.5
    Tapachula             21,266             21,623            1.7
    Veracruz              82,689             81,009           (2.0)
    Villahermosa          87,555             72,195          (17.5)
    ASUR Total         1,492,272          1,507,164            1.0

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.