Grupo Aeroportuario del Centro Norte, S.A.B. de C.V., known as OMA, announced that after twenty years of an invaluable career in the Company, Mr. Porfirio Gonzalez has decided to step down from his position as Chief Executive Officer. The Board has initiated a selection process of the person who will replace Mr. Gonzalez and once such process is completed, will inform of the formal retirement of Mr. Gonzalez and the appointment of his successor.