MEXICO CITY, May 23, 2011 /PRNewswire/ -- 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 that on May 20, 2011 the company was notified by the Ministry of Communications and Transportation ("SCT"), through the Mexican Civil Aviation Authority, that the international public bidding process for the construction, operation and management of an international airport in the town of Tulum in the Mayan Riviera region was declared void. The SCT notified ASUR that the bidding process was declared void because none of the technical bids presented by the participants complied with the requirements established in the bidding documents. As a result, the economic proposals will not be opened and will be returned to the bidding participants. 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.