Iren — AGM Information 2022

May 31, 2022

PRESS RELEASE

Filing of candidate lists for the appointment of the Board of Directors of IREN S.p.A. for the three-year period 2022-2023-2024

Reggio Emilia, 31 May 2022 – In relation to the next Ordinary Shareholders' Meeting, which will be held on 21 June 2022 in single call, Iren S.p.A. announces that the following lists of candidates for the position of member of the Board of Directors for the three-year period 2022-2023-2024 have been duly filed, within the terms provided for in the notice calling the Shareholders' Meeting at the Company's Headquarters:

LIST NO. 1 CANDIDATE DIRECTORS

Shareholders: Finanziaria Sviluppo Utilities S.r.l., Finanziaria Città di Torino Holding S.p.A., Municipality of Reggio Emilia on their own and as representative of the Emilian Parties, Municipality of La Spezia, owners of a total of no. 663,486,392 shares equal to 51.00% of the share capital and no. 1,294,472,776 voting rights equal to 65.58% of the total voting rights with reference to the shareholders' meeting resolutions with increased vote of Iren S.p.A. presented the following list of candidates for the election of the Board of Directors for the years 2022-2023-2024:

• 1. Pietro Paolo Giampellegrini born in Massa on November 14, 1968
• 1. Tiziana Merlino born in Finale Ligure (SV) on June 8, 1974
• 1. Cristina Repetto born in Genova on October 27, 1973
• 1. Giuliana Mattiazzo born in Torino on December 21, 1966
• 1. Patrizia Paglia born in Torino on August 26, 1971
• 1. Francesca Culasso born in Moncalieri (TO) on August 12, 1973
• 1. Francesca Grasselli born in Reggio Emilia on June 13, 1979
• 1. Giacomo Malmesi born in Parma on October 29, 1971
• 1. Gianluca Micconi born in Ponte dell'Olio (PC) on March 19, 1956
• 1. Cristiano Lavaggi born in Carrara (MS) on August 8, 1975

Iren Group	Images	Investor Relations Area	Iren Overview
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Investor Relations Giulio Domma Tel. + 39 0521.248410 investor.relations@gruppoiren.it Media Relations Roberto Bergandi Tel. + 39011 5549911 Mob. + 39 335.6327398 roberto.bergandi@gruppoiren.it

Barabino & Partners Giovanni Vantaggi Tel. +39 02.72023535 Mob. + 39 328.8317379 g.vantaggi@barabino.it

• 1. Luca Dal Fabbro (President) born in Milano on February 8, 1966
• 1. Moris Ferretti born in Reggio Emilia on May 28, 1972
• 1. Gianni Vittorio Armani born in Tradate (VA) on July 24, 1966
• 1. Paola Girdinio born in Genova on April 11, 1956
• 1. Paolo Rizzello born in Torino on January 30, 1969

LIST NO. 2 CANDIDATE DIRECTORS

Shareholders: Amundi Asset Management SGR S.p.A. fund manager: Amundi Sviluppo Italia, Amundi Risparmio Italia, Amundi Accumulazione Italia Pir 2023, Amundi Valore Italia Pir and Amundi Dividendo Italia; Anima Sgr S.p.A. fund manager: Anima Crescita Italia and Anima Initiative Italia; Stichting Depositary Apg Developed Markets Equity Pool - 6613 Apg Dme Lazard and Stichting Depositary Apg Developed Markets Equity Pool - Dme Systematic Global Equity; Arca Fondi Sgr S.p.A. fund manager: Fondo Arca Economia Reale Bilanciato Italia 30 and Fondo Arca Artisti Italia; BancoPosta Fondi S.p.A. SGR manager of the Bancoposta Rinascimento fund; Eurizon Capital S.A. manager of the fund Eurizon Fund sub-funds: Italian Equity Opportunities - Equity Italy Smart Volatility as well as Eurizon Am Sicav - Italian Equity; Eurizon Capital Sgr S.p.A. fund manager: Eurizon Progetto Italia 20 - Eurizon PIR Italia 30 - Eurizon AM MITO 50 (Multiasset Italian Opportunities 50) - Eurizon AM MITO 95 (Multiasset Italian Opportunities 95) - Eurizon AM MITO 25 (Multiasset Italian Opportunities 25) - Eurizon AM TR Megatrend - Eurizon Progetto Italia 70 - Eurizion Italian Shares - Eurizon PIR Italy Shares - Eurizon Italian SME Shares - Eurizon Progetto Italia 40; Fideuram Asset Management Ireland manager of the Fonditalia Equity Italy fund; Fideuram Intesa Sanpaolo Private Banking Asset Management Sgr S.p.A. fund manager: Fideuram Italia, Italy Stock Plan, Italy Balanced Plan 50, Italy Balanced Plan 30; Interfund Sicav - Interfund Equity Italy; Generali Investments Luxembourg SA manager of Generali Investments SICAV Euro Future Leaders, as well as of the Generali Smart Fund PIR Evoluzione Italia and Generali Smart Funds PIR Valore Italia; Kairos Partners Sgr S.p.A. as Management Company of Kairos International Sicav - Key Section; Mediobanca SGR S.p.A. manager of Mediobanca Mid & Small Cap Italy and Mediobanca ESG European Equity funds; Mediobanca SICAV; Mediolanum Gestioni Fondi Sgr S.p.A. fund manager: Mediolanum Flexible Futuro Italia and Mediolanum Flexible Sviluppo Italia, holders of a total of no. 55,855,061 shares equal to 4.29% of the share capital and no. 55,855,061 voting rights equal to 2.83% of the total voting rights with reference to the shareholders' meeting resolutions with increased vote of Iren S.p.A. presented the following list of candidates for the election of the Board of Directors for the years 2022-2023-2024:

Investor Relations Giulio Domma Tel. + 39 0521.248410 investor.relations@gruppoiren.it Media Relations Roberto Bergandi Tel. + 39011 5549911 Mob. + 39 335.6327398 roberto.bergandi@gruppoiren.it Barabino & Partners Giovanni Vantaggi Tel. +39 02 72023535 Mob. +39328 8317379 g.vantaggi@barabino.it

• 1. Licia Soncini born in Roma on April 24, 1961
• 1. Enrica Maria Ghia born in Roma on November 26, 1969

It should be noted that, since list no. 1 presented by Shareholders who collectively represent more than 40% of the voting rights, if the same list obtains the highest number of votes at the Shareholders' Meeting, art. 19 of the Articles of Association. Consequently, from list no. 1 will be drawn no. 13 members of the Board of Directors. The remaining 2 members will be taken from list no. 2.

The curricula vitae and the declarations of the individual candidates with which they accept their candidacy and certify the possession of the legal requirements and the absence of causes of incompatibility, ineligibility, and forfeiture, as well as the certification showing the ownership of the shareholding held by the presenting Shareholders are available to the public within the terms of the law at the registered office and at Borsa Italiana S.p.A.

The documents are also available on the website www.gruppoiren.it/assemblee, Investors section, Corporate Governance, Shareholders' Meetings, as well as on the authorized storage mechanism Sdir / Storage (/PORTALE).

Investor Relations Giulio Domma Tel. + 39 0521.248410 investor.relations@gruppoiren.it Media Relations Roberto Bergandi Tel. + 39011 5549911 Mob. + 39 335.6327398 roberto.bergandi@gruppoiren.it Barabino & Partners Giovanni Vantaggi Tel. +39 02 72023535 Mob. +39328 8317379 g.vantaggi@barabino.it 3