WRAP Retail Offer for up to £500,000

Renalytix Plc, (RENX) is pleased to announce a retail offer via the Winterflood Retail Access Platform ("WRAP") to raise up to £500,000 (the "WRAP Retail Offer") through the issue of new ordinary shares of £0.0025 each in the capital of the Company ("Ordinary Shares"). Under the WRAP Retail Offer up to 5,263,157 new Ordinary Shares (the "WRAP Retail Offer Shares") will be made available at a price of 9.5 pence per share.

In addition to the WRAP Retail Offer and as announced at 7:00am on 22 September 2025, the Company is also proposing a placing of new Ordinary Shares (the "Placing Shares" and together with the WRAP Retail Offer Shares, the "New Ordinary Shares") to raise a minimum of £4 million (before expenses) through a bookbuild process (the "Placing") at a price of 9.5 pence per Placing Share (the "Placing Price"). The Placing Price represents a discount of approximately 11.6 per cent. to the mid-market closing price of an Ordinary Share on 19 September 2025 (being the latest practicable date prior to this announcement) of 10.75 pence and a premium of 39 per cent. to the Company's 90 day closing average share price, as of the last business day prior to this Announcement. The issue price of the WRAP Retail Offer Shares is equal to the Placing Price.

The WRAP Retail Offer and the Placing are conditional on the New Ordinary Shares being admitted to trading on the AIM Market of the London Stock Exchange plc ("AIM") ("Admission"). It is anticipated that Admission will become effective and that dealings in the New Ordinary Shares will commence on AIM, at 8.00 am. on 29 September 2025.

WRAP Retail Offer

Therefore, the Company is making the WRAP Retail Offer open to eligible investors in the United Kingdom following release of this announcement, being existing shareholders of Renalytix Plc and through certain financial intermediaries.

The WRAP Retail Offer is expected to close at 4:30pm on Thursday 25 September 2025. Eligible shareholders should note that financial intermediaries may have earlier closing times.

There is a minimum subscription of £500 per investor under the WRAP Retail Offer. The terms and conditions on which investors subscribe will be provided by the relevant financial intermediaries including relevant commission or fee charges.

It is a term of the WRAP Retail Offer that the total value of the WRAP Retail Offer Shares available for subscription at the Placing Price does not exceed £500,000, or such size as agreed by the Company.