Oncimmune : Notice of General Meeting

Oncimmune Holdings plc

('Oncimmune' or the 'Company')

Notice of General Meeting

Nottingham, UK - 4 January 2018:Oncimmune Holdings plc (AIM: ONC.L), a leading early cancer detection company developing and commercialising its proprietary EarlyCDT®platform technology, announces that a General Meeting ('GM')will be held on Monday 22 January 2018 at the offices of Peachey & Co LLP, 95 Aldwych, London, WC2B 4JF, commencing at 10.00am.

The GM will consider resolutions to grant authorities from shareholders to allot the ordinary shares pursuant to the subscription for6,410,256 new ordinary shares by Genostics Company Limitedas announced by the Company on 2 January 2018.

A notice convening the GM has been sent to shareholders and will be available to download from the Company's website shortlyhttp://oncimmune.com/investors

For further information:

Oncimmune Holdings plc

Geoffrey Hamilton-Fairley, Chief Executive Officer

[e-mail]

Zeus Capital Limited (Nominated Adviser and Joint Broker)

Giles Balleny, Hugh Kingsmill Moore

[phone]

Bryan, Garnier & Co Limited (Joint Broker)

Phil Walker, Dominic Wilson

[phone]

Berenberg (Joint Broker)

Toby Flaux, Charlotte Sutcliffe

[phone]

Media enquiries:

Consilium Strategic Communications

Chris Gardner, Matthew Neal, Lindsey Neville

[e-mail]

[phone]

About Oncimmune

Oncimmune is a leading early cancer detection company developing and commercialising its proprietary EarlyCDT® platform technology. Oncimmune has pioneered the development of autoantibody tests that can detect cancer up to four years earlier than other methods and can be applied to a very wide range of solid tumour types. The Company's first product, EarlyCDT®-Lung, was launched in 2012, as a CLIA test in the USA and since then over 150,000 commercial tests have been sold. EarlyCDT®-Lungis available through physicians in the US and also privately in the UK and other regions. EarlyCDT®-Lungis being used in the largest ever randomised trial for the early detection of lung cancer using biomarkers, the National Health Service (NHS) Scotland ECLS study of 12,210 high-risk smokers. EarlyCDT®tests for liver and ovarian cancer are in development.

Oncimmune, headquartered in Nottingham, United Kingdom with testing facilities in the US, joined AIM in May 2016 under the ticker ONC.L. For more information, visitwww.oncimmune.com