Graña Y Montero Receives Letter of Intent for Shahuindo Project

Graña y Montero S.A.A. (NYSE:GRAM) (BVL:GRAMONC1) (“the Company” or “Graña y Montero”) a leading Engineering and Construction company, announced it has received a Letter of Intent from Rio Alto confirming they have reached a commercial agreement in order for its subsidiary Stracon GyM S.A. to perform as a contractor in Shahuindo Project, located in Cajabamba, province of Cajamarca.

The estimated value of the agreement is US$ 240 million for the next 5 years.

About Graña y Montero S.A.A.

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 81 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.