Graña y Montero S.A.A. (NYSE: GRAM) (BVL: GRAMONC1) (the “Company” or “Graña y Montero”) the largest engineering and construction company in Peru, announced it was awarded with the Buena Pro for the project “1814 - PAD 1 Phase III - Cerro Verde”, of the client Sociedad Minera Cerro Verde S.A.A. The project has a period of execution of 12 months and consists on earth movement and geosynthetic placement of PAD 1 Phase III, in Cerro Verde Mine located in the province of Arequipa. The amount of this contract is of S/. 110,245,189.60. About Graña y Montero Founded in 1933, Graña y Montero is the only Peruvian engineering and construction company listed on the Lima Stock Exchange since 1997 and now also the NYSE. The Company has participated in the development of major engineering and construction projects in Peru, including large-scale, complex projects in the energy, mining, construction and real estate sectors. With 80 years of operations, the Company has leveraged its engineering and construction expertise into complementary lines of business, such as the development, ownership, operation and maintenance of infrastructure assets, real estate developments, and the provision of technical services. The Company has significant investments in infrastructure concessions, such as three toll roads and Line 1 of the Lima Metro. The Company has also executed several projects outside Perú, and has acquired three companies in Chile: DSD Construcciones y Montajes, an engineering and construction company specialized in providing services to the energy, oil and gas, cellulose and mining sector in Chile and Latin America; Vial y Vives, a construction company specialized in the mining sector, and CAM, which is specialized in electric services, with operations in Chile, Peru and Colombia.