/C O R R E C T I O N -- Grupo Aeroportuario del Sureste, S.A.B. de C.V./

In the news release, ASUR Announces Total Passenger Traffic for July 2008 Up 4.6% Year Over Year (NYSE: ASR; BMV: ASUR), issued earlier today by Grupo Aeroportuario del Sureste, S.A.B. de C.V. over PR Newswire, we are advised by the company that while the Domestic, International and Total % change is correct, the Total passenger traffic figures for July 2007 and 2008 were originally issued incorrectly.

Complete, corrected release follows:

ASUR Announces Total Passenger Traffic for July 2008 Up 4.6% Year Over Year

MEXICO CITY, Aug. 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 July 2008 increased by 4.6% when compared to July 2007.

    All figures in this announcement reflect comparisons between July 1
through July 31, 2007 and 2008. Transit and general aviation passengers are
excluded.



                                       Domestic
    Airport                     July             July
                                2007             2008               % Change
    Cancun                     389,484          413,047                  6.0
    Cozumel                      8,895           11,967                 34.5
    Huatulco                    34,837           35,283                  1.3
    Merida                     115,137          102,830                (10.7)
    Minatitlan                  15,207           12,834                (15.6)
    Oaxaca                      40,764           47,801                 17.3
    Tapachula                   17,862           21,927                 22.8
    Veracruz                    87,199           81,004                 (7.1)
    Villahermosa                75,263           78,713                  4.6
    Total Domestic             784,648          805,406                  2.6



                                     International
    Airport                     July             July
                                2007             2008               % Change
    Cancun                     750,826          813,489                  8.3
    Cozumel                     49,676           45,533                 (8.3)
    Huatulco                     3,938            1,540                (60.9)
    Merida                      15,597           13,923                (10.7)
    Minatitlan                     579              429                (25.9)
    Oaxaca                       4,600            4,868                  5.8
    Tapachula                      406              321                (20.9)
    Veracruz                     8,112            8,092                 (0.2)
    Villahermosa                 6,465            6,663                  3.1
    Total International        840,199          894,858                  6.5



                                      Total
    Airport                     July             July
                                2007             2008                 % Change
    Cancun                   1,140,310        1,226,536                  7.6
    Cozumel                     58,571           57,500                 (1.8)
    Huatulco                    38,775           36,823                 (5.0)
    Merida                     130,734          116,753                (10.7)
    Minatitlan                  15,786           13,263                (16.0)
    Oaxaca                      45,364           52,669                 16.1
    Tapachula                   18,268           22,248                 21.8
    Veracruz                    95,311           89,096                 (6.5)
    Villahermosa                81,728           85,376                  4.5
    ASUR Total               1,624,847        1,700,264                  4.6

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.