Fernando Ramírez Mazarredo

Part of BearingPoint GmbH, Arthur Andersen Y Compania is a Spanish company that provides accounting services. The private company is based in Madrid, Spain. Arthur Andersen Y Compania was acquired by BearingPoint, Inc. from Arthur Andersen LLP on September 05, 2002.

Vanti SA ESP engages in the marketing and distribution of natural gas. It supplies residential, industrial, commercial, natural gas vehicle,distributors, and sub-distributors. The company was founded in 1997 and is headquartered in Bogotá, Colombia.

Part of SIX Group AG, BME Clearing SA is a central counterparty entity that manages counterparty risk for a wide range of financial and non-financial products. Based in Madrid, Spain, BME Clearing has over 30 years of experience in ensuring the success of operations by acting as a buyer for the seller and as a seller for the buyer, thus eliminating or reducing credit or counterparty risk. BME Clearing is authorized by the National Stock Market Commission to operate as a central counterparty entity and is included in the register of central counterparties authorized in the European Securities and Markets Authority. BME Clearing is the central counterparty entity for financial derivatives, equities, energy swaps, fixed income, and xrolling® futures.

Comisión Nacional del Mercado de Valores is a business financial consultant, planned and independent, advisory and personal. It provides advisory consultant services, It is located in Madrid, Spain.