Posse Herrera Ruiz acted as Colombian legal counsel to the Financiera de Desarrollo Nacional and the Colombian Ministry of Finance, in the sale of its 51.41% stake in Interconexión Eléctrica S.A. E.S.P. (ISA) to Ecopetrol S.A. in a COP$14.2 trillion deal (US$ 3.67 billion approx.). The sale of ISA, one of the largest transactions in the history of Colombia in terms of value, constitutes a major step in the Colombian Government’s strategy of improvement of its shareholding portfolio, and will help the Government to finance its public investment programs in line with the Government’s Plan of Economic Reactivation.