ABOUT US COMPANY POLICY R + D + i PLAYS NEWS CONTACT Spanish PRESENT RETURN News of Interest Partial filling of the Pacific locks Date: 06/23/2015 Yesterday it began at around 11:00 am (local time) by means of a pumping network, with a flow of 40,000 m3 / h, whose contribution comes from Gatun Lake, which will flood the Pacific locks, until reaching the level +3.77. Multimedia Gallery Contact About us Company policy R + D + i Plays News Introduction History Group companies Human team Turnover Work with us Legal warning Privacy Policy Web map NEWSLETTER SHARE © 2021 Tecozam. Business group. All rights reserved Business Group. All rights reserved Web design

ABOUT US COMPANY POLICY R + D + i PLAYS NEWS CONTACT Spanish COMPANY POLICY ETHICAL CODE Tecozam "Innovating to unite roads" RETURN The commitment of Grupo TecoZam's management committee to ethics and good business practices is a fact that can be seen throughout the company's life history. In this way we have been able to generate the necessary trust and which is currently a great asset of our internal and external stakeholders in that the development of our work is carried out in a responsible manner and strictly complying with the applicable regulations in our activity and in society as a whole. This code of ethics represents that commitment and has the will to comply with it by all members of the company. This document should be our daily guide in our daily work and consolidate the foundations of ethical behavior and good compliance that define us in our corporate values. ETHICAL CODE Contact About us Company policy R + D + i Plays News Introduction History Group companies Human team Turnover Work with us Legal warning Privacy Policy Web map NEWSLETTER SHARE © 2021 Tecozam. Business group. All rights reserved Business Group. All rights reserved Web design

ABOUT US COMPANY POLICY R + D + i PLAYS NEWS CONTACT Spanish PRESENT RETURN News of Interest One of the carriageways of the Os Portos Viaduct has been completed within the LAV Mad construction project Date: 05/17/2018 One of the carriageways of the Os Portos Viaduct has been completed within the Madrid-Galicia HSL construction project The project has been executed with an arcaded formwork system on high load towers designed by SecoZam. Work on the next span will begin in a week, estimating the completion of the viaduct in 4 months. Congratulations to our colleagues at SecoZam for this efficient design and to our colleagues at TecoZam for their work and for upholding TecoZam's values: Efficiency, Innovation, Commitment, Safety, Excellence and Respect. Contact About us Company policy R + D + i Plays News Introduction History Group companies Human team Turnover Work with us Legal warning Privacy Policy Web map NEWSLETTER SHARE © 2021 Tecozam. Business group. All rights reserved Business Group. All rights reserved Web design