Supermarket Income REIT plc (LSE: SUPR), the real estate investment trust providing secure, inflation-linked, long income from grocery property in the UK, announces that the sale of its interest in the Sainsbury's Reversion Portfolio (the "SRP Portfolio") completed on 17 March 2023, as expected.

The Company has therefore received £279.3 million in respect of the first tranche of the total £430.9 million gross consideration (excluding costs), as announced by the Company on 14 March 2023.

The Company has used part of these proceeds to repay in full the £202.8 million debt facility provided by JP Morgan Chase Bank secured on the Company's investment in the SRP Portfolio.

FOR FURTHER INFORMATION     Atrato Capital Limited   +44 (0)20 3790 8087  Steve Noble / Rob Abraham / Chris McMahon ir@atratocapital.com

Stifel Nicolaus Europe Limited

+44 (0)20 7710 7600  Mark Young / Matt Blawat / Rajpal Padam        Goldman Sachs International

Jimmy Bastock / Tom Hartley +44 (0)20 7774 1000

FTI Consulting   +44 (0)20 3727 1000  Dido Laurimore / Eve Kirmatzis / Andrew Davis   SupermarketIncomeREIT@fticonsulting.com   NOTES TO EDITORS:

Supermarket Income REIT plc (LSE: SUPR) is a real estate investment trust dedicated to investing in grocery properties which are an essential part of the UK's feed the nation infrastructure. The Company focuses on grocery stores which are omnichannel, fulfilling online and in-person sales. All of the Company's supermarkets are let to leading UK supermarket operators, diversified by both tenant and geography.

The Company provides investors with attractive, long-dated, secure, inflation-linked, growing income with the potential for capital appreciation over the longer term and targets a 7% to 10% p.a. total shareholder return over the medium term (1) . The Company has increased its dividend every year since IPO.

The Company is listed on the premium segment of the Official List of the UK Financial Conduct Authority and its Ordinary Shares are traded on the Main Market of the London Stock Exchange, having listed initially on the Specialist Fund Segment of the Main Market on 21 July 2017.

Atrato Capital Limited is the Company's Investment Adviser.

Further information is available on the Company's website www.supermarketincomereit.com

1. There is no certainty that these illustrative projections will be achieved

Stifel Nicolaus Europe Limited, which is authorised and regulated in the United Kingdom by the Financial Conduct Authority, is acting exclusively for Supermarket Income REIT plc and no one else in connection with this announcement and will not be responsible to anyone other than the Company for providing the protections afforded to clients of Stifel Nicolaus Europe Limited nor for providing advice in connection with the matters referred to in this announcement.

Goldman Sachs International, which is authorised by the Prudential Regulation Authority and regulated by the Financial Conduct Authority and the Prudential Regulation Authority in the United Kingdom, is acting exclusively for Supermarket Income REIT plc and no one else in connection with this announcement and will not be responsible to anyone other than the Company for providing the protections afforded to clients of Goldman Sachs International nor for providing advice in connection with the matters referred to in this announcement.

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