1. Wärtsilä Colombia S.A.
Nit. 800.200.493-8
Bogotá, March 11,2009
TESTIMONIAL
TO WHOM IT MAY CONCERN
This is to certify that Mr. Marcelo Cotroneo has worked in the business area of Colombia-
Venezuela since 2000 to January,2007 supporting Wartsila Colombia S.A. from his
positions as Electronic Superintendent Engineer, Information Technology(IT) Manager,
Services Sales Manager , General Ship Power Sales Manager and Sales support for the
Power Plant Sales.
Mr. Marcelo Cotroneo has shown his good technical and commercial background and
made numerous accomplishments as advisor and professional for achieving of company
targets. He has made an outstanding contribution to the technical and sales fields in the
Colombia and Venezuela area.
I has known Marcelo technically and professionally for ten years. He is a person oriented
to serve to customers and his colleagues and with a good analytical thinking and
capabilities. He has all skills needed to work in different countries environments and
cultures.
Urbano Ardila Plata
Contract Manager
Contract Management
Wärtsilä Colombia S.A.
Principal Office Caracolito Power Plant
Calle 98 No. 69-64 Km. 3 vía Buenos Aires – Payandé, Planta Caracolito
Bogotá D.C., Colombia Ibagué, Colombia
Phone: (57-1) 6 43 2150 / 6 24 4448 PBX: (57-8) 2 70 9170
Fax: (57-1) 2 53 6006 Fax: (57-8) 270 9176
www.wartsila.com www.wartsila.comcolombia