P R E S S R E L E A S E

Implenia wins contract for project at CERN - Technical tunnelling competences decisive | Contract worth almost EUR 60 million (CHF 70 million) | Diversification of Implenia's activities in France

Dietlikon, 19 April 2018 - The European Laboratory of Particle Physics (CERN) has awarded Implenia the contract for a construction project involving several underground structures as well as various surface buildings. This new infrastructure is required for CERN's flagship upgrade project, the High Luminosity LHC. Implenia is executing the contract as part of a consortium, for which it is also acting as technical lead and lead manager. It has a 60% stake in the consortium, while its partner Baresel GmbH has 40%. The contract is worth EUR 58 million.

In the French town of Cessy, around 15 kilometres from Meyrin (GE), Implenia is building an underground network of galleries connected to the existing tunnels at CERN's Large Hadron Collider (LHC). Access to the galleries is provided by a new 60-metre deep shaft, at the foot of which a cavern is being created for technical infrastructure installations. Implenia is also building an underground power converter gallery, service galleries and personnel safety exits. On the surface, the Group is constructing various buildings, including one for the electrical equipment, cooling equipment, ventilation and compressors. This sophisticated tunnel and foundation engineering project is made challenging by the geology and by the proximity of ongoing CERN operations. In order to avoid disturbing the client's technical equipment, vibrations generated by both the underground and surface work, has to be kept to a minimum. Hence, Implenia will use electric-powered excavation machinery. As well as reducing vibrations, this machinery produces no exhaust fumes.

Winning the CERN order marks an important step for Implenia in the effort to diversify its project portfolio in France. Following the two sections of the "Grand Paris Express" in the country's capital, this is another project that fits the Group's strategy for its Infrastructure unit.

Implenia and its partner are building various underground and surface structures (image: Implenia).

Contact for media:

Reto Aregger

Head of Communications Group

Tel.: +41 58 474 74 77

communication@implenia.com

Implenia is Switzerland's leading construction and construction services company. It also has strong positions in the German, Austrian and Scandinavian infrastructure markets. Established in 2006, Implenia can look back on around 150 years of construction tradition. It brings the expertise of its highly skilled construction units together under the roof of a company active throughout Europe. With its integrated business model and specialists operating in all areas of construction, the Group can manage a building project through its entire lifecycle and deliver work that is economical, integrated and customer-centric. The focus is on striking a sustainable balance between financial success and social and environmental responsibility. Implenia, with its headquarters in Dietlikon near Zurich, employs around 10,000 people throughout Europe and posted revenue of around CHF 3.9 billion in 2017. The company is listed on the SIX Swiss Exchange (IMPN, CH0023868554). More information can be found at www.implenia.com.


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