Coiled Therapeutics PlcLSE: COIL

Change of Registered Office

· Issued by Coiled Therapeutics Plc

10 August 2026

Coiled Therapeutics plc

("Coiled Therapeutics" or the "Company")

Change of Registered Office

Coiled Therapeutics (AIM: COIL) (OTCQB: COTXF), the clinical-stage precision oncology company developing differentiated small molecule therapies for genetically defined cancers, announces that, with immediate effect, the registered office of the Company has changed to 167-169 Great Portland Street, 5th Floor, London W1W 5PF, United Kingdom.

-Ends-

Enquiries:

Coiled Therapeutics plc

Sotirios Stergiopoulos (Chairman)

Sridhar Vempati (CEO)

      Via Burson Buchanan

SP Angel Corporate Finance LLP (Nominated Adviser & Joint Broker)

David Hignell / Adam Cowl / Devik Mehta (Corporate Finance)

Vadim Alexandre / Rob Rees (Corporate Broking)

+44 (0)20 3470 0470

Shard Capital Partners LLP (Joint Broker)

Damon Heath

CPS Capital Group Pty Ltd (Joint Broker)

Jason Peterson / David Valentino

+44 (0)20 4530 6926

+61 (0)8 9223 2222

Burson Buchanan (Public Relations)

Henry Harrison Topham / Jamie Hooper / Toto Berger

+44 (0)20 7466 5000

Harbor Access (US Investor Relations)

Matt Kelly / Jonathan Paterson

+1 475 477 9404

About Coiled Therapeutics plc

Coiled Therapeutics (AIM: COIL) (OTCQB: COTXF) is an AIM-listed, clinical-stage precision oncology company advancing first-in-class small molecule therapies targeting validated cancer dependencies. Its lead programme, AO-252, is a novel TACC3 inhibitor currently being evaluated in a Phase I clinical trial in the U.S. (ClinicalTrials.gov ID: NCT06136884).  The Company's clinical development strategy is designed to generate the clinical evidence sought by potential pharmaceutical partners in selected tumour types, including ovarian and prostate cancer, while advancing a broader pipeline that includes a STAT6 siRNA programme for immunology indications.

About AO-252

AO-252 is a first-in-class, orally administered, brain-penetrant small molecule designed to selectively inhibit Transforming Acidic Coiled-Coil containing protein 3 (TACC3). TACC3 has emerged as a validated cancer dependency across multiple aggressive solid tumours and is largely dispensable in normal adult cells, supporting the potential for a broad therapeutic window.

By disrupting TACC3-driven protein interactions, AO-252 induces mitotic and replication stress, impairs DNA damage repair and promotes cancer cell death. Its ability to cross the blood-brain barrier is a key differentiator, supporting its potential to treat both primary brain tumours and brain metastases.

AO-252 is currently being evaluated in an ongoing Phase I open-label dose-escalation study. The Company plans to initiate Phase I/II dose-expansion cohorts in ovarian and prostate cancer in H2 2026.

For more information, please visit: www.coiledplc.com and follow us on LinkedIn.

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