Legal advisors to Cerro Matoso in a very high-profile administrative proceeding which seeks to annul enacted regulations that establish the retroactivity of nickel royalty payments for their mines in Colombia.

Legal advisors to Cerro Matoso in the real estate due diligence of the properties licensed by them.

Legal advisors to a Cerro Matoso in wasteland issues and in the development of a mining project.

Legal advisors to Cerro Matoso in a constitutional claim before the Council of State that sought compensation payments for settlers in nearby areas to their mine.

Legal advisors to Cerro Matoso in a risk assessment regarding the reversal of assets to the Colombian Government as a consequence of a the possible termination of a concession agreement.

Legal advisors to Cerro Matoso in tax litigation matters related to fiscal years 2007 and 2008 which involve OECD standards and Colombian regulations specifically applicable to mining companies.

Legal advisors to Cencosud in the discussion of the 2010 income tax EASY Colombia in relation to the special deduction for investment in real productive fixed assets and amortization of investments.

Legal advisors to Cerro Matoso in a constitutional lawsuit seeking compensation payements for the groups settled near the operations of the mines.

Legal advisors to Cencosud in the preparation of an anti-money laundering management system and manual.

Legal advisors to Cerro Matoso in the declaration of illegality of the strike started by one of the unions.

Legal advisors to Centennial Towers and others in the financing granted by Banco Colpatria Multibanca Colpatria SA.

Legal advisors to Cerro Matoso in a process of declaration of ownership.

Legal advisors to Central Parking in the sale of its subsidiary Central Parking System Colombia Ltda. to the Real Estate Gundemara (Chile).

Legal advisors to the International Center for Tropical Agriculture in training on labor issues.

Legal advisors to Century Energy Corporation in the sale of the new Espírito Santo power generation project.

Legal advisors to Cencosud and Cencosud Col Shopping in a process of contractual civil liability initiated by INVERDESA for alleged breaches in the lease of a commercial premises.

Legal advisors to Century Energy Corporation in the financing of a 22.5 MW power plant.

Legal advisors to Cepsa in an arbitration tribunal against Seringpet for a breach of a construction contract as the contractors were claiming surcharges that had not been previously allowed.

Legal advisors to Cencosud in a tax reorganization process, determining the most efficient alternative to separate the real estate business from the retail business in Latin America.

Legal advisors to Cepsa in a domestic arbitration field by Termotécnica Coindustrial regarding a breach of contract for the construction of oil and gas facilities.

Legal advisors to Cencosud in the discussion with the UGPP in relation to contributions to the social protection system for the periods 2009 to 2011.

Legal advisors to Cepsa in the sale of a minority interest in Oleoducto Central (Ocensa) to Advent International.

Legal advisors to Cencosud in income tax discussions related to goodwill and other special deductions.

Legal advisors to Cepsa in the proposed acquisition of Gran Tierra Energy's subsidiaries in Colombia and Brazil.

Legal advisors to Cencosud in the application for tariff classification and permits to obtain the qualification as Permanent Customs User (UAP).

Legal advisors to Cencosud the negotiation and process of possible acquisition of shares in a retail company in Colombia.

Legal advisors to Cencosud in the strategic alliance contract with Banco Colpatria for co-branded credit cards.

Legal advisors to Cencosud on labor issues including immigration issues, compensation schemes, hiring, termination and social security.

Legal advisors to Cencosud in a lawsuit against the UGPP (Pension and Parafiscal Management Unit).

Legal advisors to Cencosud in constitutional actions.