Ownership, purchase, sale and rental of all or part of the co-ownership shares by floor, and the rights depending thereon, of the buildings located on Avenue de Budé; management, administration and operation of said buildings and rights depending thereon; rental to its own shareholders, or according to their instructions, of premises and dependencies in compliance with the administration and use regulations as deposited with the Land Registry, and subject to compliance with the obligations arising from a rental agreement; granting of easements or benefiting from easements within the framework of the organization of the PPE.