Prysmian Secures Over €150 Million Offshore Wind Grid Connection Project in France by RTE

The Group deploys all needed capabilities and resourcesto enable the energy transition

Submarine cable technologies are key to support the growth of renewable energy

MILAN,March 5,2020 -- Prysmian Group,world leader in the energy and telecom cable systems industry,has been awarded a contract worth over €150 million by Réseau de Transport d'Électricité (RTE) for the development of two submarine and land export power cable systems to connect the offshore wind farm located in between the islandsof Yeu and Noirmoutier to the French mainland power grid.

Cable Enterprise vessel

The offshore wind farm is being developed by the company Les Eoliennes en Mer d'Ile d'Yeu et Noirmoutier which was awarded around 500 MW capacity production by the French government.RTE,the French transmission system operator appointed by the French government,will design,build,maintain and operate the two 225 kV links (submarine and land) to connect the offshore wind farm to the grid.The offshore wind grid connection project will be able to export 500 MW of green and renewable energy,covering a submarine cableroute of around 27 km and an underground cableroute of around 30 km.

Prysmian will provide its comprehensive turn-key approach for the design,supply,installation,and commissioning of two HVAC 225 kV three-core extruded export submarine cables with single-wire armouring which will reach the landfall area at La Barre-de-Monts beach. Prysmian will be also responsible for the supply and jointing of two HVAC 225 kV extruded land cables circuits that will link the landfall area to the substation at Soullans. Submarine cables will be produced at Prysmian's centres of excellence in Pikkala (Finland) and Arco Felice (Italy),while land cables will be manufactured in Gron (France). Installation operations will be performed bytheCable Enterprise,one of the three Group's state-of-the-art cable laying vessels.Delivery and commissioning are scheduled for 2023,conditional upon the receiving of the notice to proceed expected by March 2020 as regardthe preliminarystudies,and by June 2020 for the overall project.

"We are proud to be contributing tothe development of infrastructures of such great strategic importance," stated Hakan Ozmen,EVP,Projects Business Unit,Prysmian Group. "This contract not only consolidates our relationship with RTE,but also confirmsPrysmian's worldwideleadership in addressingthe increasing need for upgradedpower grids to support the energy transition,"concluded Ozmen.

Prysmian is already playing an important role in providing RTE or other customers with efficient and sustainable power transmission solutions,having recently been involved in key projects in France like Fécamp,Courseulles-sur-Mer and St. Nazaire offshore wind farms and the Provence Grand Large floating offshore wind farm (awarded by EDF Renewables),in addition tothe IFA2 interconnection linking the UKand France,the Piedmont-Savoy interconnection betweenItaly and France,and the INELFE interconnection linking Spain (Santa Llogaia) and France (Baixas).

Prysmian Group

Prysmian Group is world leader in the energy and telecom cable systems industry. With almost 140 years of experience,sales exceeding €11 billion,about 29,000 employees in over 50 countries and 112 plants,the Group is strongly positioned in high-tech markets and offers the widest possible range of products,services,technologies and know-how. It operates in the businesses of underground and submarine cables and systems for power transmission and distribution,of special cables for applications in many different industries and of medium and low voltage cables for the construction and infrastructure sectors. For the telecommunications industry,the Group manufactures cables and accessories for voice,video and data transmission,offering a comprehensive range of optical fibres,optical and copper cables and connectivity systems. Prysmian is a public company,listed on the Italian Stock Exchange in the FTSE MIB index.

Media Relations

Lorenzo Caruso

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lorenzo.caruso@prysmiangroup.com

Investor Relations

Cristina Bifulco

Investor Relations Director

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mariacristina.bifulco@prysmiangroup.com