09/04/2008ASUR Announces Total Passenger Traffic for March 2008 Up 18.7% Year Over Year

MEXICO CITY, April , 2008 /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 2008 increased by 18.7% in total of all their airports,when compared to March 2007.
All figures in this announcement reflect comparisons between March 1
through March 31, 2007 and 2008. Transit and general aviation passengers are excluded.

Cancun Airport 2007 : 225,055
Cancun Airport 2008 : 308,252
% Change: 37.0

Cancun Airport 2007 : 934,777
Cancun Airport 2008 : 1,082,077
% Change : 15.8

Total March
Cancun Airport 2007 : 1,159,832
Cancun Airport 2008: 1,390,329
% Change: 19.9

It is important to note that during 2008 the Easter and Holy week holidays both fell in March while in 2007 both holiday weeks fell in April.
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.