SUMMARY OF PROFESSIONAL CAREERMr. Perez has over 25 years of professional experience as a certified public accountant and auditor. Since November 1999 until October 2006 he fills the position of principal accountant for Montgomery Watson and after the merger on October 2002 with Harza Engineering Company, he assumed the accounting and financial responsibilities for MWH Peru. His expertise in all accounting and financial aspects of a large multinational company operations are supported by his solid background and expertise acquired as an auditor with local auditing companies associate with recognized international auditing firms such as Panez Chacaliza & Barreda, members of Robson Salustro Macglaren & Pullen, and Alonso & Associados, member of Ernst & Young. This background provides Mr. Perez with a proven experience in accounting, finance, asset and liability balance assessments, financial auditing according to recognized international principles and other related activities.• The diversified nature of MWH business activities serving important clients such as Minera Yanacocha (Newmont), Antamina (international consortium), Cerro Verde (Phelps Dodge), Tintaya (BHP Billinton), Electro-Peru, (power generation), SEDAPAL (water & sewer system for Lima) to name a few places a responsibility on the accounting and finance department that is being met with the highest professional standards. The average yearly business exceeds US$ 5 million in a wide variety of projects for which he has the accounting and financial responsibilities that includes payrolls, taxes and other related aspects of company accounting and financial activities.• MWH, being an international company doing work in different countries, requires that company experts perform services in another country or business unit; services that have to be billed or paid through inter-company agreements. This implies a more complex accounting process factoring the tax laws of Peru and those of other count