JOINT FILING AGREEMENTJoint Filing Agreement • February 13th, 2009 • Helu Carlos Slim • Oil & gas field services, nec
THIS JOINT FILING AGREEMENT (this “Agreement”) is made and entered into as of this 10th day of February 2009, by and among Carlos Slim Helú, Carlos Slim Domit, Marco Antonio Slim Domit, Patrick Slim Domit, María Soumaya Slim Domit, Vanessa Paola Slim Domit, Johanna Monique Slim Domit, Grupo Carso, S.A.B. de C.V., Carso Infraestructura y Construcción, S.A.B. de C.V. and Inmobiliaria Carso, S.A. de C.V.
