ASUR Announces Total Passenger Traffic for January 2010 Down 4.6% Year over Year

MEXICO CITY, Feb. 5 /PRNewswire-FirstCall/ -- Grupo Aeroportuario del Sureste, S.A.B. de C.V. (NYSE: ASR; BMV: ASUR) (ASUR), today announced that total passenger traffic for January 2010 decreased by 4.6% when compared to January 2009.

All figures in this announcement reflect comparisons between January 1 through January 31, 2010 and 2009. Transit and general aviation passengers are excluded.

Domestic -------- January January Airport 2009 2010 % Change Cancun 237,047 245,306 3.5 Cozumel 4,975 3,802 (23.6) Huatulco 28,553 27,607 (3.3) Merida 77,381 82,913 7.1 Minatitlan 10,822 9,733 (10.1) Oaxaca 46,912 33,749 (28.1) Tapachula 19,265 15,905 (17.4) Veracruz 68,466 55,277 (19.3) Villahermosa 62,820 53,243 (15.2) ------------ ------ ------ ---- Total Domestic 556,241 527,535 (5.2) -------------- ------- ------- --- International ------------- January January Airport 2009 2010 % Change Cancun 952,314 908,644 (4.6) Cozumel 35,643 35,444 (0.6) Huatulco 15,612 15,691 0.5 Merida 8,749 8,302 (5.1) Minatitlan 322 422 31.1 Oaxaca 7,309 6,425 (12.1) Tapachula 421 398 (5.5) Veracruz 5,321 5,612 5.5 Villahermosa 4,169 4,140 (0.7) ------------ ----- ----- --- Total International 1,029,860 985,078 (4.3) ------------------- --------- ------- --- Total ----- January January Airport 2009 2010 % Change Cancun 1,189,361 1,153,950 (3.0) Cozumel 40,618 39,246 (3.4) Huatulco 44,165 43,298 (2.0) Merida 86,130 91,215 5.9 Minatitlan 11,144 10,155 (8.9) Oaxaca 54,221 40,174 (25.9) Tapachula 19,686 16,303 (17.2) Veracruz 73,787 60,889 (17.5) Villahermosa 66,989 57,383 (14.3) ------------ ------ ------ ---- ASUR Total 1,586,101 1,512,613 (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.

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

CONTACT: Lic. Adolfo Castro, ASUR, (52) 55-5284-0408,
[e-mail]; Susan Borinelli, Breakstone Group, [phone],
[e-mail]; Maura Gedid, Breakstone Group,
[phone], [e-mail]