ASUR Announces Total Passenger Traffic for July 2009 Down 16.7% Year over Year

Aug. 6, 2009

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 2009 decreased by 16.7% when compared to July 2008.

This announcement reflects comparisons between July 1 through July 31, 2009 and 2008. Transit and general aviation passengers are excluded.

Domestic Airport July July % Change 2008 2009 Cancun 413,047 402,458 (2.6) Cozumel 11,967 7,312 (38.9) Huatulco 35,283 34,630 (1.9) Merida 102,830 88,510 (13.9) Minatitlan 12,834 13,152 2.5 Oaxaca 47,801 39,526 (17.3) Tapachula 21,927 12,160 (44.5) Veracruz 81,004 70,086 (13.5) Villahermosa 78,713 65,203 (17.2) ------------ ------ ------ ----- Total Domestic 805,406 733,037 (9.0) -------------- ------- ------- ---- International Airport July July % Change 2008 2009 Cancun 813,489 609,633 (25.1) Cozumel 45,533 41,759 (8.3) Huatulco 1,540 1,466 (4.8) Merida 13,923 9,961 (28.5) Minatitlan 429 409 (4.7) Oaxaca 4,868 6,946 42.7 Tapachula 321 251 (21.8) Veracruz 8,092 7,030 (13.1) Villahermosa 6,663 6,174 (7.3) ------------ ----- ----- ---- Total International 894,858 683,629 (23.6) ------------------- ------- ------- ----- Total Airport July July % Change 2008 2009 Cancun 1,226,536 1,012,091 (17.5) Cozumel 57,500 49,071 (14.7) Huatulco 36,823 36,096 (2.0) Merida 116,753 98,471 (15.7) Minatitlan 13,263 13,561 2.2 Oaxaca 52,669 46,472 (11.8) Tapachula 22,248 12,411 (44.2) Veracruz 89,096 77,116 (13.4) Villahermosa 85,376 71,377 (16.4) ------------ ------ ------ ----- ASUR Total 1,700,264 1,416,666 (16.7) ---------- --------- --------- -----

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.

SOURCE Grupo Aeroportuario del Sureste, S.A.B. de C.V.