The purchase, sale, brokerage, construction, promotion, marketing, development, appraisal, consulting, acquisition of participations, administration, rental, management and operation of all real estate for its own account or for the account of third parties; the company may also participate in other companies, carry out all financial, real estate, movable, commercial transactions and conclude all contracts to achieve its purpose, grant loans or make other financial contributions to its direct or indirect shareholders as well as to its direct or indirect subsidiaries and provide securities of any kind on its assets, including by way of pledges or fiduciary transfers or by way of guarantees of any kind, to secure the obligations of its direct or indirect shareholders or subsidiaries, regardless of whether it is free of charge or for consideration.