Empresa de Energia de Bogota ESP : EEB INCLUDED IN THE DOW JONES SUSTAINABILITY INDEX FOR THE FOURTH CONSECUTIVE YEAR

• Empresa de Energía de Bogotá, parent company of Grupo Energía de Bogotá is ranked among the best companies in the world in its sector, given its performance on sustainability.
• Dow Jones is a renowned sustainability index at international level and analyzes the performance of leading companies in social, environmental and economic related issues.

Bogotá D.C., 25 September 2015. Empresa de Energía de Bogotá (EEB), parent company of Grupo Energía de Bogotá is pleased to inform that for the fourth consecutive year it has been included in the Dow Jones Sustainability Index (DJSI) in the emerging markets category.

Dow Jones Sustainability Index (DJSI) is a world-renowned index and constitutes a benchmark for those investors engaged in sustainability management within their own investment portfolios. Furthermore, it provides an effective engagement platform for companies that would like to adhere to the best sustainability practices.

EEB has been included as part of this index since 2012 and to keep this status, companies need to continuously intensify their efforts and initiatives in sustainability related issues to benefit all of the Company's stakeholders.

In that regard, Mr. Ricardo Roa Barragán CEO of Grupo Energía de Bogotá remarked, 'to continue being part of Dow Jones is acknowledging the company's undertakings as among those using world class practices. Our permanence in DJSI reflects the comprehensiveness of our policies together with the success of our management tasks. Among the variables assessed, we address significant subjects such as corporate governance, anticorruption codes, biodiversity protection initiatives, environmental management systems and the tax strategy applied in the Group, among others'.

Mr. Roa Barragán further remarked that 'being included in DJSI, in addition to the acknowledgement received by Transparencia por Colombia, where EEB was awarded a rating of 93 over 100 and TGI 90 over 100, we consider them significant drivers to continue our endeavors as a Corporation applying the best management practices, in addition to a challenge to improve issues related to antitrust policies and the attraction and retention of human talent.

Other than EEB, Colombian companies that are part of DJSI in the emerging markets category are: Bancolombia, Cementos Argos, Ecopetrol, Grupo de Inversiones Suramericana, Grupo Nutresa, Interconexión Eléctrica S.A., Isagen, Almacenes Éxito and Banco Davivienda.

About Grupo Energía de Bogotá

Grupo Energia de Bogota is the leading corporation in the Colombian power sector. Through EEB it transports electricity to the most significant markets in terms of demand and size in the country and participates in the distribution of electricity. It controls nine affiliate companies and directly performs the activity of electricity transportation in Colombia, in a market with the highest demand in the country. In the electricity chain in Colombia, it participates in the distribution of electricity via Empresa de Energía de Cundinamarca - EEC. In addition, it controls the largest natural gas carrier in Colombia, TGI S.A with a stake of 47.6% within the market, including an extension of 2957 Kms in gas pipelines services highly populated areas in Colombia such as Bogota, Medellin, Bucaramanga, the Coffee Region and the Llanos Foothills. In Peru, its company CONTUGAS has a 30-year concession for the transportation and distribution of natural gas in the Ica Department, likewise with its company CALIDDA, it distributes natural gas in the regions of Lima and Callao. In that same country, together with ISA, it holds stocks in REP S.A. and TRANSMANTARO S.A., which operate 63% of the electricity transmission system in Peru. In 2010, it established TRECSA - Transportadora de Centroamérica S.A.- in charge of building the most important infrastructure Project in Guatemala and will render electricity transmission services as of 2014. Furthermore, GEB holds an investment portfolio in important companies in the electric power sector, in which the following stand out, CODENSA S.A., EMGESA S.A., GAS NATURAL S.A., PROMIGAS S.A. and Electrificadora del Meta - EMSA and to a lesser extent ISA and ISAGEN. As of 2013, the Group renders advisory and engineering services in Guatemala and Peru through its affiliate EEB Ingeniería y Servicios. Also, in 2014 it created the company Empresa de Movilidad de Bogotá SAS E.S.P., affiliate company dedicated exclusively to developing electric power mobility projects.