Celadon Pharmaceuticals Plc

("Celadon", the "Company" or the "Group")

Update on CFO Appointment

London, 13 January 2023 - Celadon Pharmaceuticals Plc (AIM: CEL), a UK-based pharmaceutical company focused on the research, cultivation, manufacturing and sale of breakthrough cannabis-based medicines, is pleased to announce that further to the RNS of 1 November 2022 Jonathan Turner will formally join the Company and be appointed to the Board as Chief Financial Officer on 17 January 2023.

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About Celadon Pharmaceuticals Plc

Celadon Pharmaceuticals Plc is a UK based pharmaceutical company focused on the research, cultivation, manufacturing, and sale of breakthrough cannabis-based medicines. Its primary focus is on improving quality of life for chronic pain sufferers, as well as exploring the potential of cannabis-based medicines for other conditions such as autism. Its 100,000 sq. ft UK facility comprises a laboratory designed to meet GMP standards, and capacity for a large indoor hydroponic growing facility that has received a Home Office Licence to legally grow high-THC medicinal cannabis for the purpose of producing test batches of cannabis oil to support its application to the MHRA. The Company's subsidiary, LVL, owns a MHRA conditionally-approved cannabis trial using cannabis based medicinal products to treat chronic pain in the UK. Celadon also has a minority interest in early-stage biopharma Kingdom Therapeutics which is developing a licenced cannabinoid medicine to treat children with Autism Spectrum Disorder.

For further information please visit our website www.celadonpharma.co.uk

This announcement contains inside information for the purposes of article 7 of the Market Abuse Regulation (EU) 596/2014 as amended by regulation 11 of the Market Abuse (Amendment) (EU Exit) Regulations 2019/310. With the publication of this announcement, this information is now considered to be in the public domain.