Notice: Minutes of Shareholders’ Meeting and Payment of dividend balance for 2021

Snam S.p.A.

Head Office: Piazza Santa Barbara, No. 7, San Donato Milanese (MI)

Company share capital euro 2,735,670,475.56 fully paid up Tax Identification Number and Company Register of Milan, Monza Brianza and Lodi Chamber of Commerce No. 13271390158 R.E.A. Milan No. 1633443

MINUTES OF SHAREHOLDERS' MEETING

The minutes of Snam's Ordinary Shareholders' Meeting held on 27 April 2022 will be made available by 27 May 2022 at Snam's Head Office in San Donato Milanese (MI), Piazza Santa Barbara 7, on the Company's website (www.snam.it- "Governance and Conduct - Shareholders Meeting" Section) and at the authorised storage mechanism "eMarket STORAGE" (www.emarketstorage.com). The aforementioned minutes may also be requested by [e-mail]

PAYMENT OF DIVIDEND BALANCE FOR 2021

The dividend balance for the year 2021 can be requested by those who are entitled to it by detaching coupon no. 37 starting from 22 June 2022, 20 June 2022 being the ex-dividend date and 21 June 2022 the record date. Treasury shares held by the Company as at the record date will be excluded from the distribution of the dividend balance. The dividend balance is subject to taxation in Italy based on the tax regime in force, which varies depending on the receivers and which is that generally applicable for dividends distributed by Italian listed companies. Shareholders may cash the dividend balance with the respective intermediaries.