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Once again among Italy’s highest ranked employers, this year second place overall among companies nationwide for outstanding human resource management, Hera has reached its first milestone of the new year, which marks its twentieth anniversary. Training, welfare and digitalisation among the Group’s strong points. The start of a new year is always an occasion to look back in time, but even more so to look forward, taking a look at results and focusing on new objectives. In 2022, this is all the more true for the Hera Group, since this year marks the twentieth anniversary of its establishment. This is why receiving Top Employer certification for the 13th consecutive year, a sign of excellence in human resource management, is even more significant. Hera, after gaining recognition as the best company in 2020 and 2021, has found its place on the podium this year as well, ranking second overall in Italy among the 1,600 companies analysed by the Dutch Top Employer Institute. How? Over the years, Hera has provided itself with the best technologies, projects and initiatives to invest in the skills and well-being of its workers and select the most interesting talent on the market. One aspect which is increasingly crucial on the workplace as well, especially considering the changes in external contexts, is the care given to relations, which must be seen as real capital. Hera has decided to invest in this area, through means including training and corporate culture. HerAcademy, the Hera Group’s corporate university, plays a leading role in this field, and at the end of last year it organised a conference entitled “The evolution of social and relational dynamics for the ‘rebirth’ of work”, an event which called on leading figures from the world of business, academics and professionals. The goal was to compare experiences and practices, demonstrating that only by being part of a solid and motivated team is it possible to meet the challenges awaiting us outside and inside organisations. Moreover, the Hera Group has always stood out for its organisational methods, promoting agility in work, safety and the value given to the uniqueness of people, all within a context highly exposed to change. Alongside the increasing importance of training and welfare, along with a corporate culture dedicated to the inclusion of diversity, Hera has proven able to meet the challenge of digitalising services and therefore professional activities. Within this process, which is now in full swing and covers all company activities, even the most operational, employees have been accompanied but above all listened to, trying to understand and share their needs. Overall, this commitment has been recognised by the workers themselves, as shown by the latest employee climate survey, in which 82% of the company’s workforce took part and in which the company achieved excellent results. 16 years after the first survey, the overall satisfaction index has risen by more than 20 points, reaching 71 on a scale of 1 to 100. All of this testifies to the effectiveness of the steps towards improvement introduced following numerous communication initiatives. “For us, 2022 promises to be a very important year, encouraging us to look to the future with confidence, feeling proud of what we have done so far”, states Hera Group Executive Chairman Tomaso Tommasi di Vignano. “Ours is a twenty-year journey that began from local communities, from the people who live in them and to whom we provide essential services, but which has even more distant roots in the many companies out of which the Hera Group was born in 2002. It was very clear to us that our workers deserved to be at centre stage, because their skills and motivation are crucial to ensuring the continuity and constantly increasing quality of our services. This is why recognition as a Top Employer is so important: we have achieved this goal for 13 years, but we want to continue to take pride in it and invest in it, without ever taking it for granted. We will continue to promote the development of the idea of our organisation as a community and as a social environment, by constantly investing in the growth of our people.” Press release Hera Top Employer.pdf 2022-01-20 11:29:00 Sede Hera Sede Hera 2020-07-02

(drafted pursuant to article 85-bis, paragraph 4-bis, of Consob Regulation 11971 / 14 May 1999) Bologna, 4 January 2022 - The following table contains the data concerning the shares outstanding and the number of voting rights representing the share capital as at 31 December 2021. Updated situation Previous situation Number of shares constituting the Share capital Number of voting rights Number of shares constituting the Share capital Number of voting rights Total of which: 1,489,538,745 2,229,681,921 1,489,538,745 2,230,666,054 Ordinary shares (regular dividend rights: 01.01.2021) - cod. ISIN IT0001250932 Current coupon: n. 20 749,395,569 749,395,569 748,411,436 748,411,436 Ordinary shares with increased voting rights (regular dividend rights: 01.01.2021) - cod. ISIN IT0005159972 Current coupon: n. 20 740,143,176 1,480,286,352 741,127,309 1,482,254,618 Press release Communication of the overall amount of voting rights art. 85bis.pdf 2022-01-04 14:02:00 Communication of the overall amount of voting rights Communication of the overall amount of voting rights 2019-07-03

Hera’s smart gas meter 4.0, the first of its kind internationally in terms of safety functions, is already prepared for its first experimentation in the network with hydrogen, and its construction in recycled plastic further confirms the commitment to the energy transition and circularity. Not only equipped with outstanding technology and functions, including reducing gas dispersion into the atmosphere, the device is at the centre of the first experimentation in Italy with the use of hydrogen in domestic gas distribution With the Hera Group, also gas distribution is going green. NexMeter, Hera’s smart gas meter 4.0, the first of its kind worldwide in terms of cutting-edge technology and safety functions, including reducing gas dispersion into the atmosphere, will be made from recycled plastic and can already be used for distributing hydrogen in the network up to a maximum of 20% compatibility, with a trial planned in the coming months. This advanced meter is therefore a concrete example of the Hera Group’s commitment to the energy transition and carbon neutrality, focusing on green gases, such as biomethane, hydrogen and green syngas, and contributing to the fight against climate change. Furthermore, it results from Hera’s experience and know-how in management of the gas distribution service, combined with continuous investments in innovation, research and development, and confirms the Group’s collaboration with outstanding partners: Panasonic, the Japanese multinational global leader in electronic products and components, and Pietro Fiorentini, an Italian company and market leader in creating products and services for the entire natural gas chain. The advanced version of NexMeter will be previewed today in Milan at Enlit, the most important event in the sector. NexMeter gets the “stamp” for hydrogen operation The new NexMeter is now ready to be used with hydrogen distributed through the network, having obtained the “stamp of approval” certifying its compatibility with green gas mixtures. This is thanks to the metrological certification carried out by Tifernogas, a notified body pursuant to the relevant Directives (2014/32/EU MI-002 and MI-008), and the construction analysis concerning the compatibility of its materials with blending hydrogen and methane, carried out by RINA, an international engineering, consulting, inspection, quality assurance and quality control company in the energy sector. An immediate debut: initial experiments with hydrogen in the domestic gas network soon to be underway NexMeter’s first field test involving hydrogen will be carried out during the next few months, as part of a wider set of activities aimed at certifying the entire Hera Group’s supply chain as qualified to use green gases. More specifically, it involves introducing a mixture of natural gas and hydrogen into a portion of the distribution network managed by the Group, involving around thirty households in Castelfranco Emilia in Modena province. This is the first experiment of this kind in Italy as regards domestic gas distribution, and it aims at studying innovative solutions to contribute to the local area’s needs as regards decarbonisation, with benefits for the environment as well. The trial is also part of the Group’s broader strategy for developing hydrogen in a two-fold perspective: on the one hand, upgrading its assets, starting with the gas distribution networks, and on the other, creating new business opportunities, which Hera can make the most of by leveraging its multi-business expertise, including partnerships with other major industrial operators. A green device with environmental benefits with over 68% of its elements made in recycled plastic NexMeter’s advanced functions have numerous environmental and economic benefits: eliminating leaks reduces methane dispersion, which in turn is highly polluting, while the entire process of optimising gas network management has a positive impact on the performance and emissions of user appliances, first and foremost boilers. Its ability to detect and signal to users even the smallest gas leaks also helps contain costs in their bills. But that’s not all: the new NexMeter model will be the first meter on the market with most of its components made of recycled plastic, reaching over 68%. To achieve this result, the Hera Group, which has always been committed to the circular economy and regenerating resources, can count on the expertise of its subsidiary Aliplast, a leader in plastic recycling and regeneration, with plants in Italy and abroad, and an annual production of around 100,000 tonnes of recycled plastic. The metre’s manuals are also green and smart, with a QR code included on the meter instead of a classic instruction manual, to avoid paper consumption, and packaging in recycled cardboard. 300,000 NexMeter meters installed by 2023 in earthquake-prone areas The previous model of NexMeter, we should recall, was already equipped with advanced functions, including a cutting-edge "mini-computer" offering absolute precision and safety, since it is capable of intercepting in real time even minimal leaks or tremors in the event of earthquakes. Launched in 2019, these devices are still being installed, with 70,000 devices already in operation. Thanks to approximately 45 million in investments, the Group’s goal is to reach 300,000 NexMeters installed by 2023, 200,000 of which will be made of recycled plastic. The areas concerned are those served by the Hera Group’s distribution companies, starting with areas classified as at risk of earthquakes or where the latter have recently occurred, such as Emilia-Romagna and Friuli-Venezia Giulia. “With NexMeter, two years ago, we gave concrete proof of our ability to invest and innovate in a sector that remains quite traditional, such as gas distribution, paying particular attention to safety and reducing gas dispersion into the atmosphere, a factor that was also at the centre of debates during the recent Cop26 – states Stefano Venier, CEO of the Hera Group – Today, with this new version of the device, ready for hydrogen and made of recycled plastic, we are taking a further step forward, continuing to exploit our in-depth experience in this field with the skills offered by the most qualified partners, nationally and internationally. Actions and investments for the circular economy and innovation guide, indeed, the strategies set out in our Business Plan, in line with European guidelines and the goals on the UN 2030 Agenda. As a local multi-utility, we also have the task of growing while promoting sustainable development in the communities we serve, with advanced solutions that respect the environment and meet the safety and quality needs of citizens. NexMeter is a tangible example of our commitment to carrying out this mission in the best possible way.” “We are honoured to have contributed to the development of NexMeter which today added the use of green gas, especially hydrogen, to the safety functions, meeting the needs that the ecological transition imposes – states Motokazu Nishii, Head of Meter Device Business, Smart Energy System Business Division, Electric Works Company, Panasonic Corporation – This was possible thanks to Panasonic technology in ultrasonic measurement and safety functions with experience on the market for over 35 years, and, more importantly, to the collaboration with the Hera Group. The result is NexMeter which is a unique reference in the smart gas metering market. Panasonic will continue to work with the Hera Group to create a company where people can live better and more comfortably thanks to the use of clean energy and increasingly innovative solutions”. “The NexMeter, whose first version was already extremely innovative due to its advanced sensors and safety functions, has in this new phase achieved greater component sustainability and hydrogen compatibility” – states Cristiano Nardi, Executive Chairman of the Pietro Fiorentini Group – The project’s success confirms Pietro Fiorentini’s commitment towards establishing a continuous and constructive dialogue with our partners Hera and Panasonic, in order to work together in creating technologically advanced, competitive and fully environmentally friendly solutions, all of which are very important issues for our Group.” Press Release Green Nexmeter.pdf 2021-11-30 12:15:00 Nexmeter Nexmeter 2020-07-02