ASUR 2Q11 Passenger Traffic Up 2.89% YOY

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

the first privatized airport group in Mexico and operator of Cancun Airport and eight other airports in southeast Mexico, today announced results for the three and six-month periods ended June 30, 2011. 2Q11 Highlights(1): EBITDA(2) increased by 10.00% to Ps.621.29 million Total passenger traffic was up 2.89% Total revenues increased by 7.07% due to increases of 5.38% in aeronautical revenues, 9.34% in non-aeronautical revenues and 9.39% in construction services revenues Commercial revenues per passenger increased by 8.26% to Ps.66.22 Operating profit rose by 10.69% EBITDA margin increased to 56.76% from 55.25% in 2Q10