ASUR Announces Total Passenger Traffic for March 2010 Up Year Over Year

April 6, 2010

MEXICO CITY, April 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 March 2010 increased by 0.2% when compared to March 2009.

This announcement reflects comparisons between March 1 through March 31, 2010 and March 1 through March 31, 2009. Transit and general aviation passengers are excluded.

Domestic -------- Airport March March % Change 2009 2010 Cancun 223,396 262,278 17.4 Cozumel 6,427 3,956 (38.4) Huatulco 27,819 26,887 (3.4) Merida 84,235 92,388 9.7 Minatitlan 13,318 11,366 (14.7) Oaxaca 45,906 38,657 (15.8) Tapachula 19,387 16,254 (16.2) Veracruz 70,705 69,287 (2.0) Villahermosa 64,601 59,797 (7.4) ------------ ------ ------ ---- Total Domestic 555,794 580,870 4.5 -------------- ------- ------- --- International ------------- Airport March March % Change 2009 2010 Cancun 1,080,176 1,055,812 (2.3) Cozumel 53,346 55,437 3.9 Huatulco 12,526 12,010 (4.1) Merida 9,273 10,324 11.3 Minatitlan 357 515 44.3 Oaxaca 5,730 4,654 (18.8) Tapachula 321 352 9.7 Veracruz 5,393 6,138 13.8 Villahermosa 3,856 4,515 17.1 ------------ ----- ----- ---- Total International 1,170,978 1,149,757 (1.8) ------------------- --------- --------- ---- Total ----- Airport March March % Change 2009 2010 Cancun 1,303,572 1,318,090 1.1 Cozumel 59,773 59,393 (0.6) Huatulco 40,345 38,897 (3.6) Merida 93,508 102,712 9.8 Minatitlan 13,675 11,881 (13.1) Oaxaca 51,636 43,311 (16.1) Tapachula 19,708 16,606 (15.7) Veracruz 76,098 75,425 (0.9) Villahermosa 68,457 64,312 (6.1) ------------ ------ ------ ---- ASUR Total 1,726,772 1,730,627 0.2 ---------- --------- --------- ---

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.