ASUR Announces Total Passenger Traffic for June 2010 Up 25.5% Year over Year

July 6, 2010

MEXICO CITY, July 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 June 2010 increased by 25.5% when compared to June 2009.

This announcement reflects comparisons between June 1 through June 30, 2010 and 2009. Transit and general aviation passengers are excluded.

Domestic Airport June June % Change 2009 2010 Cancun 266,709 289,149 8.4 Cozumel 1,836 2,249 22.5 Huatulco 26,602 27,332 2.7 Merida 75,830 83,426 10.0 Minatitlan 11,842 11,821 (0.2) Oaxaca 32,377 33,190 2.5 Tapachula 15,178 14,463 (4.7) Veracruz 63,986 69,800 9.1 Villahermosa 58,350 54,252 (7.0) ------------ ------ ------ ---- Total Domestic 552,710 585,682 6.0 -------------- ------- ------- --- International Airport June June % Change 2009 2010 Cancun 494,263 735,308 48.8 Cozumel 34,109 37,698 10.5 Huatulco 1,053 1,837 74.5 Merida 5,731 7,790 35.9 Minatitlan 213 425 99.5 Oaxaca 4,532 3,745 (17.4) Tapachula 295 376 27.5 Veracruz 5,227 6,238 19.3 Villahermosa 3,833 4,020 4.9 ------------ ----- ----- --- Total International 549,256 797,437 45.2 ------------------- ------- ------- ---- Total Airport June June % Change 2009 2010 Cancun 760,972 1,024,457 34.6 Cozumel 35,945 39,947 11.1 Huatulco 27,655 29,169 5.5 Merida 81,561 91,216 11.8 Minatitlan 12,055 12,246 1.6 Oaxaca 36,909 36,935 0.1 Tapachula 15,473 14,839 (4.1) Veracruz 69,213 76,038 9.9 Villahermosa 62,183 58,272 (6.3) ------------ ------ ------ ---- ASUR Total 1,101,966 1,383,119 25.5 ---------- --------- --------- ----

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.