MEXICO CITY, April 29 /PRNewswire-FirstCall/ -- Grupo Aeroportuario del Sureste, S.A.B. de C.V. (NYSE: ASR; BMV: ASUR) (ASUR) the first privatized airport group in Mexico and operator of Cancun Airport and eight others in the southeast of Mexico, announced today that on April 26, 2009 the Mexican Secretary of Health confirmed the presence of Swine Influenza H1N1 ("Swine Flu") in Mexico. On April 28, 2009 the World Health Organization (the "WHO") acknowledged the outbreak of Swine Flu in Mexico and as a result, raised its pandemic alert to level 4, indicating verified human-to-human transmission of a virus able to cause "community-level outbreaks." In addition, various countries have advised against non-essential travel to Mexico. Cuba and Argentina have cancelled flights to Mexico and the Mexican government has declared a state of emergency. Between April 26 and April 28, 2009, there has been a decline in the passenger traffic levels from those observed before the Mexican Secretary of Health confirmed the presence of Swine Flu.

At the present time, ASUR cannot determine the impact that this will have on the Company's operations and its financial results, nor can ASUR predict the amount of time it will take to return back to normal conditions.

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.