SeSa S p A : awarded EcoVadis Platinum Certification

Environmental protection, ethics, labor, human rights, sustainability place Sesa among the top 1% of the best companies, out of about 150,000 certified by EcoVadis at the global level

Sesa ("SESA" - SES.MI), leading operator in the Digital Technology, Consulting, and Vertical Application sectors for businesses and organizations, listed on the Euronext STAR segment of the Italian Stock Exchange, announces that it has received the EcoVadis Platinum Certification, further improving its last year's ESG rating (Gold level). This certification represents the highest level assigned by EcoVadis and places Sesa among the top 1% of the most sustainable companies certified globally.

This independent certification confirms the Sesa's ongoing commitment to sustainability aligned with the Group's purpose focusing on creating long-term value for all stakeholders by promoting innovation, including digital innovation, for businesses and organizations, as well as the well-being of people.

This award confirms the path undertaken and announced in the Group's 2026-27 Industrial Strategic Plan

- disclosed in July 2025 - which, with a strong focus on organic growth and the adoption of digital enablers such as IA, Automation and Digital Platform, defines investments, targets, and concrete actions to further improve the ESG performances.

"Achieving the EcoVadis Platinum Certification represents a new milestone and confirms the strength of the sustainability journey we are pursuing for years with determination. It is the result of a collective effort involving all the people and the stakeholders, focused on promoting a development model based on innovation, responsibility, and a concrete commitment to social and environmental impact", stated Jacopo Laschetti, Head of Sustainability of Sesa.

Sesa S.p.A., with Headquarters in Empoli (Florence), is the operating holding company of a Group with presence on the whole Italian territory and foreign countries as Germany, Switzerland, Austria, France, Spain and Romania that represents the leading player in Digital Technology, Consulting and Vertical Application for companies and organizations, with consolidated revenues of Eu 3,356.8 million (+4.6% Y/Y) and 6,532 employees as of April 30, 2025 (+14.8% Y/Y).

Sesa Group has the mission of offering Digital Technology, Consulting and Vertical Applications to promote innovation and sustainable growth for Enterprise and Organizations by enabling value creation and digital evolution, through the following business Sectors:

• SSI (Software and System Integration) with revenues of Eu 875.7 million and 4,243 Human Resources as of April 30, 2025.

• BS (Business Services) with revenues of Eu 153.5 million and 962 Human Resources as of April 30, 2025.

• ICT VAS (Value Added Solutions) with revenues of Eu 2,075.5 million and 711 Human Resources as of April 30, 2025.

• Digital Green VAS with revenues of Eu 343.8 million and 95 Human Resources as of April 30, 2025.

• Corporate with revenues of Eu 62 million and 521 Human Resources as of April 30, 2025.

Sesa Group pursues a sustainable development strategy for the benefit of its Stakeholders, with a track record in the period 2012- 2025 of continuous growth in revenues (CAGR revenues 2012-2025 +11.5%), profitability (CAGR Ebitda 2012-2025 +14.53%) and employment (CAGR Human Resources 2012-2025 +16.8%). The long-term value generation strategy is based on skills development, environmental sustainability and social responsibility, with continuous improvement of ESG performance.

As of April 30, 2025, the Group generated a net economic value of about Eu 450 million (+15% Y/Y), distributed for over 70% to the remuneration of Human Resources, with 6,532 employees (+14.8% Y/Y), with improved hiring programs, education and Welfare programs to support diversity, work-life balance and well-being of Human Resources. Sesa introduced in its corporate bylaw the sustainable growth as Board of Directors priority and starting from FY 2022 Sesa has published the Integrated Annual Report, which

represents both financial and ESG performance in a single complete and transparent document, in application of international reporting standards. In terms of sustainability governance, the Group's main companies achieved the ISO 14001 certification and the UN Global Compact membership. Sesa has confirmed the Ecovadis rating at Gold level, the sustainability rating issued by MSCI at BBB level and the ESG rating issued by CDP at B level. Sesa is listed on the Euronext STAR Milan market (ISIN Code: IT0004729759) and is part of FTSE Italia Mid Cap index. Sesa is also part of Euronext Tech Leaders, Euronext's initiative dedicated to high-growth Tech companies.