Webuild — Earnings Release 2021

Jun 28, 2021

PRESS RELEASE

WEBUILD GROUP: €8BLN IN NEW ORDERS ACQUIRED, TO BE FINALISED YEAR-TO-DATE TOTAL EXCEEDS €21 BLN WITH TEXAS HIGH-SPEED RAILWAY MEGA CONTRACT

BIG OPPORTUNITY FOR SUPPLY CHAIN, ECONOMIC RECOVERY IN ITALY,

CONSTRUCTION ORDER BACKLOG SURPASSES €50 BLN

MILAN, June 28, 2021 – Webuild has a combined €8 billion worth of new orders that it has acquired, is in the process of finalising and for which it has become the preferred bidder since the beginning of 20211. The orders highlight the Group's focus on Italy, Australia and Switzerland. Their combined value excludes the recent signing of a final contract worth \$16 billion (€13.1 billion) for the construction of a high-speed railway in Texas.

The orders, which total 28 and whose total value reaches €13.8 billion excluding the one in Texas, foresee the construction of sustainable infrastructure, especially in sustainable mobility and clean water. Five of the projects are each worth more than €1 billion. The result will bring Webuild's potential backlog of construction orders to more than €50 billion by the end of the first half of 2021, representing a big opportunity for Italy's supply chain, which is made of 7,000 businesses that work alongside the Group on approximately 20 projects. The result will also lend support to the country's economic recovery.

Webuild's commercial activity in the first months of 2021 highlights its stronger position in Italy and abroad. Its competitiveness has improved as it has increased in scale with the acquisition of Astaldi, part of the Progetto Italia industrial operation. Italy has come to represent 33% of Webuild's potential backlog as the Group is today focusing its activities on its home market, seizing opportunities created by an increase in infrastructure investment underthe Piano Nazionale di Ripresa e Resilienza (National Recovery and Resilience Plan) as the government pushes forward with strategic public works that can create jobs. Italy is accelerating the pace of investments in infrastructure such as sustainable mobility, an area where the Group is a global leader. In northern Italy, it is working on the Brenner Base Tunnel, while in the south it has recently been awarded contracts to develop the Orsara-Hirpinia and Orsara-Bovino sections of the high-speed/high-capacity railway between Naples and Bari. In Sicily, it has won contracts for the Giampilieri-Fiumefreddo section of the Messina-Catania high-capacity railway.

Outside its home market, Webuild is pursuing a diversification strategywith an expansion in the United States, Europe and Australia, markets with low-risk profiles where governments are also planning to investment in infrastructure to help their respective economies recover from the COVID-19 pandemic. In the United States - in addition to the signing of the final contract for a high-speed railway between Dallas and Houston - the Group, through its U.S. subsidiary, Lane Construction, was recently awarded the Kansas Citys Levees Flood Risk Management Project environmental sustainabilityproject. In Switzerland, Webuild is to build a section of the Gotthard road tunnel and a Safe Host data centre in Gland. In Australia, Webuild and its consortium have been selected as preferred bidder for the tunnelling package of the North East Link in Melbourne, the biggest road project in the state of Victoria.

In Italy, Webuild is investing in innovation, health and safety to contain the COVID-19 virus. As Webuild develops projects that are sustainable and technologically advanced, it guarantees workers' safety and

¹ Includes projects worth a combined €3.9 billion for which Webuild is best bidder

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Webuild, the new group born in 2020 from Salini Impregilo, is a leading global player in the construction of large, complex projects for sustainable mobility, clean hydro energy, clean water, green buildings, supporting clients in achieving sustainable development goals (SDGs). The Group is the expression of 115 years of engineering experience applied in 50 countries on five continents with 70,000 direct and indirect employees from more than 100 nationalities. Recognised for five years by Engineering News-Record (ENR) as the world leader in water infrastructure (such as dams, hydraulic tunnels, water and wastewater management, and water treatment and desalination plants), it ranks since 2018 among the top 10 in the environment sector and it is also leader in sustainable mobility (especially metro and rail lines, in addition to roads and bridges). A signatory of the United Nations Global Compact, the Group's expertise is displayed in projects such as the M4 metro line in Milan, Grand Paris Express, Cityringen in Copenhagen, Sydney Metro Northwest, Red Line North Underground in Doha, Line 3 of the Riyadh Metro and the high-speed railways in Italy. Other projects include the new Genoa Bridge and the Gerald Desmond replacement bridge in Long Beach, California, the expansion of the Panama Canal, the Snowy 2.0 hydroelectric power station in Australia, the Rogun hydroelectric dam in Tajikistan, the Anacostia River and Northeast Boundary tunnels in Washington, D.C. and the Al Bayt 2022 World Cup stadium in Qatar. In 2020, the Group's total order backlog reached €41.7 billion, with 89% of the backlog of construction orders involving projects that support the SDGs set by the United Nations. Webuild, subject to direction and coordination by Salini Costruttori SpA, is headquartered in Italy and is listed on the Milan Stock Exchange (Borsa Italiana: WBD; Reuters: WBD.MI; Bloomberg: WBD:IM).

More information at www.webuildgroup.com

Contacts: Media Relations Investor Relations Gilles Castonguay Amarilda Karaj Tel. +39 342 682 6321 Tel +39 02 444 22476 email: gr.castonguay@webuildgroup.com email: a.karaj@webuildgroup.com