Graña y Montero Announces the Formation of an External Advisory Board

This initiative is one of the advances in the new stage of the
company included in the six commitments disclosed in the Board of
Directors Manifesto

LIMA, Peru–(BUSINESS WIRE)–Graña y Montero S.A.A. (NYSE:GRAM) (BVL:GRAMONC1) (“the Company” or
“Graña y Montero”) a leading Engineering and Construction company,
announced today the formation of its new External Advisory Board, which
will have the task of contributing to the Board's management on
corporate governance and strategic business issues, and also adding
efforts in the tasks of the Committee of Risks and Compliance.

Following the search for expert profiles on the best practices of
Corporate Governance, Ethics and Compliance, the Chairman of the Board
of Directors Augusto Baertl presented to the members of the External
Advisory Board: Dr. Javier Tovar, lawyer specializing in legal
strategies for regulatory and corporate affairs; Mrs. Barbara Bruce, a
recognized professional in the business environment as well as in
business in Peru, and Ms. Gemma Aiolfi, Director of Compliance and
Corporate Governance at the Basel Institute on Governance of
Switzerland, who will provide the international vision.

"The External Advisory Council will have key functions for the new
stage of Grupo Graña y Montero, by providing an external and independent
vision on issues related to Corporate Governance, Ethics and Compliance.
As part of the strengthening process that the company is going through,
we seek to advance towards international standards of the mentioned
areas to become an international reference. Today we will move towards
this objective hand in hand with the contributions of the External
Advisory Council," said Augusto Baertl, Chairman of the Graña y
Montero Group.

As a result, the Group consolidates one more step in its "Committed to
the Future" program, with expertise in the legal, business and
international front, through the three outstanding professionals who
from now on join externally as a consultant body of the Board in matters
of Corporate Governance, Ethics and Compliance.

Council members:
– Dr. Javier
Tovar (President)
– Mrs. Gemma Aiolfi
– Mrs. Bárbara Bruce

Contacts

Graña y Montero S.A.A.
Samantha Ratcliffe, 511-213-6573
Head
of Investor Relations
samantha.ratcliffe@gym.com.pe
relacion.inversionistas@gym.com.pe
http://investorrelations.granaymontero.com.pe/