Defence Holdings PLC

Defence Holdings PLC were today delighted and honoured to have been invited to No10 by Jade Leung, Special Adviser on AI to the Prime Minister, where our CTO Andy McCartney discussed the future of AI in Defence and the importance of building sovereign UK capability. #ALRT

[5/5] The model aligns directly with the Strategic Defence Review’s call for: • Faster capability translation • Greater SME engagement • Software-defined defence • Sovereign digital control The Accelerator strengthens Defence Holdings’ role as a conduit between sovereign innovation and operational deployment, at pace.

[4/4] As a London-listed vehicle with hyperscale partnerships and senior Defence engagement, Defence Holdings can: > Provide governance & compliance SMEs cannot achieve alone > Connect capability directly to end users > Retain UK-sovereign control of data & IP >Align capital with operational pull, not speculation

Defence Holdings PLC (LSE: ALRT) has today launched its Sovereign Software Capability Accelerator. A structured programme designed to identify, harden and deploy early-stage sovereign software, AI and data capabilities into UK & allied Defence environments. #ALRT 🧵

[5/5] The model aligns directly with the Strategic Defence Review’s call for: • Faster capability translation • Greater SME engagement • Software-defined defence • Sovereign digital control The Accelerator strengthens Defence Holdings’ role as a conduit between sovereign innovation and operational deployment, at pace.

[4/4] As a London-listed vehicle with hyperscale partnerships and senior Defence engagement, Defence Holdings can: > Provide governance & compliance SMEs cannot achieve alone > Connect capability directly to end users > Retain UK-sovereign control of data & IP >Align capital with operational pull, not speculation

Defence Holdings PLC are pleased to announce the appointment of Andrew Roughan as Chief Executive Officer, effective 30 March 2026. Andrew brings deep experience across defence, national security and critical national infrastructure, with a strong track record delivering and scaling government-aligned technology organisations. #ALRT

5/5 As software, data and decision advantage increasingly shape modern Defence, board-level experience rooted in real operational environments matters. Jim’s insight will be invaluable to Defence Holdings as capability moves from development into deployment.

4/5 The appointment follows the launch of our new National Security pillar, focused on applying sovereign software and AI capability to Defence-led national security challenges.

Defence Holdings appoints Jim Clover OBE to Advisory Board. A former senior UK national security and cyber operations leader, Jim brings over 25 years’ experience operating at the heart of Defence and government. #ALRT

[6/6] Full details at defenceplc.com/investors #ALRT

[5/5] The Company maintains a strong cash position following disciplined capital deployment, supporting delivery-led growth rather than speculative expansion.

Defence Holdings PLC has released an operational update alongside its unaudited interim results to 30 Sept 2025. 🧵 #ALRT