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Herambiente acquires the company Recycla The Hera Group, through its subsidiary Herambiente has acquired 70% of Recycla, a Friuli-based company that manages three platforms for solid and liquid industrial waste, whose central offices are in Maniago (PN). This transaction will confirm Herambiente’s position as a key operator in the sector and allow it to offer its across-the-board waste treatment solutions to new customers. Through its company Hasi (Herambiente Servizi Industriali), Herambiente has thus consolidated and expanded its facilities serving businesses, with 15 multifunctional sites dedicated to the treatment of waste produced by companies and 1.2 million tonnes of industrial waste treated each year. More specifically, the Maniago platform for solid and liquid industrial waste handles over 40,000 tonnes per year of waste produced by companies. In line with the principles of the circular economy, this waste is pre-treated to optimise its characteristics and is mainly destined for energy recovery or chemical-physical treatment. Therefore, only 3% of the waste entering the platform is disposed of in landfills. This transaction, which follows the acquisitions completed in recent years (from Waste Recycling, Teseco and Pistoia Ambiente in Tuscany and Geo Nova and Aliplast in Treviso), is a new step in Herambiente’s continuous growth in the industrial waste treatment sector. This development will be further strengthened by two agreements already signed with companies operating in the Marche and Veneto regions in the same industrial sector, which will be finalised within the summer. When fully operational, thanks to these three transactions, an additional 350,000 tonnes of industrial waste produced by 3,300 new customers will be treated each year. Herambiente acquires the company Recycla 2019-07-18 Herambiente acquires the company Recycla The Hera Group has consolidated its leadership in industrial waste treatment and extended its scope of operations in northern Italy thanks to the acquisition of this Friuli-based company /-/herambiente-acquires-the-company-recycla http://ha.gruppohera.it/?lang=2 Press release Visit Herambiente's website Herambiente acquires the company Recycla

Top10 2021 We rank first among Italian companies for its full and conscious integration of sustainability policies within its business strategies. This has been confirmed by the 2021 Integrated Governance Index, presented today at the ESG Business Conference, an authoritative model for analysing ESG factors, i.e. the social, environmental and governance aspects of business activities. In addition to leading the overall ranking, we also stand out in two other dedicated rankings. For the fourth year in a row, the Group is at the top of the sustainable finance category, which analyses the links between a company and responsible investors. It also ranked second in the special 2021 ESG Identity survey, which focuses on a company’s ability to enhance its sustainable identity, through means including stakeholder involvement, first and foremost customers and suppliers. Sustainability at the heart of the Group’s strategies For us, uninterrupted growth in operating results goes hand in hand with increasing attention to sustainability. In 2016, we introduced shared value reporting, referring to those business activities which, in addition to generating margins, respond to the drivers for sustainable growth defined by the UN 2030 Agenda and, more generally, various national and international policies. We gave further evidence of the central role played by creating shared value when it introduced the concept of Purpose in our Articles of Association, among the first companies in Italy to do so. Last April, the Shareholders Meeting approved a paragraph explaining the Group’s corporate purpose, i.e. the objectives it aims to achieve in carrying out its business activities, thus reaffirming its commitment to sustainability. The Integrated Governance Index The Integrated Governance Index is the only model for quantitatively analysing degree to which ESG factors are integrated into corporate strategies. Developed by ETicaNews, with the academic and legal support of specialised associations and advisors, it is now in its sixth edition. This index is increasingly used as an indicator of a company’s ESG identity. Top3 Area Finanza 2019-07-18 Top3 Area Finanza We lead the overall ranking in this index, which measures the extent to which sustainability is integrated within corporate strategies /-/hera-at-the-top-of-the-2021-integrated-governance-index /group_eng/sustainability/sustainability-report/sr /group_eng/corporate-governance/corporate-governance-system/articles-of-associations /group_eng/investor-relations/debit-and-rates/bond-issuances Press release Sustainability Report 2020 Our Articles of associations Green Bonds Top10 2021

Financial results as at 31 March 2021 Financial highlights Revenues at 2,271.8 million euro (+10.5%) Ebitda at 362.0 million euro (+3.7%) Net profit for Shareholders at 132.2 million euro (+6.3%) Net financial debt shows strong improvement, now at 3,077.6 million euro, and net debt/Ebitda ratio falls to 2.71x Operating highlights Good contribution to growth coming from the Group’s main businesses, the energy sectors and waste management in particular Solid energy customer base, now reaching almost 3.4 million Further development in initiatives for the circular economy, with aspects including state of the art plants and increasingly green services for companies and citizens The Hera Group’s Board of Directors, chaired by Tomaso Tommasi di Vignano, unanimously approved the consolidated results for the first quarter of 2021, with all main operating and financial indicators improving, compared to the same period in the previous year, thanks to the Group’s solid, efficient and sustainable multi-business strategy and a good operating, financial and fiscal management. The energy sectors and the waste management area made a particularly important contribution. Also note the additional improvement in financial solidity, with a strong reduction in net financial debt. At 31 March 2021, the number of energy customers reached almost 3.4 million, thanks to factors including marketing initiatives and reinforced value-added services, from “green” offers to the sale and installation of LED devices, smart boilers and thermostats, as well as energy diagnoses, contracts for energy services, systems and targeted upgrading projects. The acquisition in September 2020 of the company Wölmann, which operates in the photovoltaic panel installation sector, is also part of this context and represents the main change in scope of operations compared to the first quarter of the previous year. Revenues reach approximately 2.3 billion (+10.5%) In the first quarter of 2021, revenues amounted to 2,271.8 million, up 10.5% compared to the 2,055.8 million seen in the same period of 2020. This result was sustained in particular by the energy sectors, with higher revenues from trading, higher volumes of gas sold and an increase in the price of electricity, in addition to the heat management business and activities involving value-added services for customers. Revenues from district heating and regulated network services also increased, as did those from the waste management area, thanks to energy production and a higher amount of waste treated. Ebitda rises to 362.0 million (+3.7%) Ebitda rose from 349.2 million in the first quarter of 2020 to 362.0 million at 31 March 2021, showing a 12.8 million (+3.7%) increase. This growth is due in particular to the performance achieved in the energy areas, which grew by 12.3 million overall, mainly due to higher sales margins and trading. Positive contributions also came from the waste management area and other services, while the water cycle saw a slight fall. Operating result and pre-tax profit increase Ebit rose, amounting to 223.1 million at 31 March 2021, up from 211.7 million in the same period of 2020 (+5.4%). Financial operations were largely unchanged, at 28.8 million, with an increase in charges for tax credit sales as part of ecobonus-related activities, offset by higher income for late payment indemnities on credits in the “last resort” markets. Pre-tax profit rose to 194.3 million (+6.2%). Net profit for shareholders grows to 132.2 million (+6.3%) Thanks to an improved tax rate, coming to 27.8% compared to 28.8% in the first quarter of 2020, driven by the Group’s commitment to making investments in technological, digital and environmental transformation with an eye to Utility 4.0, net profit at 31 March 2021 reached 140.3 million, up 7.7% compared to the 130.3 million seen in the same period of 2020. Profit pertaining to Group shareholders also rose to 132.2 million, up 6.3% compared to the 124.4 million seen in the same period of 2020. Operating investments rise and net financial debt improves significantly Net operating investments were up significantly, from 91.5 million at 31 March 2020 to 112.6 million (+23.1%) in the first quarter of 2021, and were mainly related to work on plants, networks and infrastructures, with investments in gas distribution concerning the large-scale meter replacement, and in the purification and sewerage area. Thanks in particular to the positive contribution coming from operational management during the quarter, a strong improvement was also seen in net financial debt, which stood at 3,077.6 million, compared to 3,227.0 million at 31 December 2020, down by approximately 150 million. Thanks to the double leverage provided by increased Ebitda and decreased net financial debt, the net debt/Ebitda ratio further improved to 2.71x, both compared to the same quarter last year (2.93x) and to the figure seen at the end of 2020 (2.87x). This data once again confirms the Group’s financial solidity, which also appears in the opinions released by major rating agencies, in particular the recent upgrade by Standard & Poor’s to BBB+ with a stable outlook. Profit & Loss (m€) 31/03/2021 Inc. % 31/03/2020 Inc. % Ch. Ch. % Sales 2,271.8 2,055.8 +216.0 +10.5% Other operating revenues 100.7 4.4% 109.0 5.3% (8.3) (7.6%) Raw material (1,209.7) (53.2%) (1,035.4) (50.4%) +174.3 +16.8% Services costs (646.9) (28.5%) (627.2) (30.5%) +19.7 +3.1% Other operating expenses (17.1) (0.8%) (12.5) (0.6%) +4.6 +36.8% Personnel costs (150.1) (6.6%) (147.3) (7.2%) +2.8 +1.9% Capitalisations 13.3 0.6% 6.8 0.3% +6.5 +94.9% Ebitda 362.0 15.9% 349.2 17.0% +12.8 +3.7% Depreciation and provisions (138.9) (6.1%) (137.5) (6.7%) +1.4 +1.0% Ebit 223.1 9.8% 211.7 10.3% +11.4 +5.4% Financial inc./(exp.) (28.8) (1.3%) (28.7) (1.4%) +0.1 +0.3% Pre tax profit 194.3 8.6% 183.0 8.9% +11.3 +6.2% Taxes (54.0) (2.4%) (52.7) (2.6%) +1.3 +2.5% Net profit 140.3 6.2% 130.3 6.3% +10.0 +7.7% Attributable to: Shareholders of the Parent Company 132.2 5.8% 124.4 6.0% +7.8 +6.3% Minority shareholders 8.1 0.4% 5.9 0.3% +2.2 +37.2% Balance Sheet (m€) 31/03/2021 Inc.% 31/12/2020 Inc.% Ch. Ch. % Net fixed assets 6,993.3 109.6% 6,983.6 109.4% +9.7 +0.1% Working capital 44.6 0.7% 53.6 0.8% (9.0) (16.8%) (Provisions) (657.5) (10.3%) (654.9) (10.2%) (2.6) +0.4% Net invested capital 6,380.4 100.0% 6,382.3 100.0% (1.9) (0.0%) Net equity 3,302.8 51.8% 3,155.3 49.4% +147.5 +4.7% Long term net financial debt 3,576.5 56.0% 3,617.1 56.7% (40.6) (1.1%) Short term net financial debt (498.9) (7.8%) (390.1) (6.1%) (108.8) +27.9% Net financial debts 3,077.6 48.2% 3,227.0 50.6% (149.4) (4.6%) Net invested capital 6,380.4 100.0% 6,382.3 100.0% (1.9) (0.0%) Financial results as at 31 March 2021 2019-07-18 Financial results as at 31 March 2021 The consolidated quarterly report at 31 March shows further improvement in all main operating and financial indicators, with financial solidity confirmed as a strong point, as has also been recently highlighted by the upgraded rating given by S&P’s, now BBB+ with a stable outlook /-/hera-bod-approves-1q-2021-results-1 Press release Financial results as at 31 March 2021

Sustainability report 2021 Figures allow us to better analyse processes and impacts, to activate improvement actions and to transparently report the results achieved. These are the objectives of our Sustainability Report, published online and focused on the year 2020 just ended. A document that represents the value horizon we operate in and that aims to combine industrial growth and sustainable development while striking a balance between three dimensions represented by as many keywords: planet, people and prosperity. Creating value together with the communities served: over two billion EUR distributed locally Sustainable growth also involves the economic and social fabric of the territories served. Here are some figures: the economic value distributed to workers, shareholders, suppliers, public administration and local community in 2020 was 2,118 million, of which 740 million to local suppliers (+6% compared to the previous year, 65% of the total value of supplies), generating an employment impact of over 8,800 workers and allowing the inclusion of 864 disadvantaged people through social cooperatives; 584 people were hired during the year and 96.6% of employees have permanent contracts. The gross operating margin (EBITDA) from our activities that address the priorities of the Global Agenda, in particular the sustainable development objectives of the United Nations, rose to 420 million EUR in 2020, 37% of the total (it will be 50% in 2024), divided into three areas: energy, environment, territory (and business). Energy: pursuing carbon neutrality Working on energy for us means first and foremost pursuing carbon neutrality, with actions that involve both the company and all social players, in the interest of a planet that is increasingly exposed to climate change and whose natural resources are compromised. An example is the goal of reducing greenhouse gas emissions that we set ourselves, among the most ambitious for a company in Italy: 37% less by 2030 compared to 2019, validated according to the strictest scientific criteria by the prestigious international network Science Based Target initiative (SBTi). Overall, the actions we have taken range from promoting energy efficiency to energy transition and renewables. Internally, in 2020 energy consumption fell by 6.2% over 2013 (equal to 13,800 tons of oil equivalent) and 83% of the electricity used is derived from renewable sources. In addition, 7.8 million cubic metres of biomethane were produced through the transformation of organic waste in the plant in S. Agata Bolognese (Bo), 20% more than the previous year. Through the construction of new plants, the goal is to produce up to over 30 million cubic meters in 2030. As far as customer involvement is concerned, also in 2020 we purchased electricity from renewable sources in such a quantity as to fully cover the consumption of all household customers in the free market, and in 2030 we aim to reach 45% of subscriptions to offers that include energy efficiency services, thus supporting them in adopting virtuous behaviours with 100% green offers and consumption containment tools. Sustainability report 2021 2019-07-18 Sustainability report 2021 The creation of shared value and the benefits for the territories served are at the heart of our 2020 Sustainability Report: results achieved and future commitments to respond specifically to environmental and climate change challenges /group_eng/sustainability/sustainability-report/sr View the 2020 Sustainability report bs2020 eng.png