FOR IMMEDIATE RELEASE

18 September 2025

London, UK

Defence Holdings PLC

("Defence Holdings" or the "Company")

Defence Holdings to Host Broadcast with Senior Leadership Team

Defence Holdings PLC (LSE: ALRT), the UK's first listed software-led defence company, today confirms that it will host a broadcast on Monday, 22 September 2025 at 10:00am (UK time). The session will bring together senior members of the leadership team for a wide-ranging conversation on recent announcements and the Company's forward trajectory.

The panel will include:

●    Andrew McCartney (Chief Technology Officer)

●    Richard "Bertie" Bassett (Vice President, Defence Programmes)

●    James Norwood (Non-Executive Vice Chairman)

Agenda

The discussion will cover:

●    ⁠The appointment of Lord Houghton as Non-Executive Chairman and what his leadership signals for Defence Holdings and the wider defence ecosystem.

●    Project Ixian, the Company's first sovereign AI product build, and how it establishes Defence Holdings in the contested domain of information operations.

●    ⁠The evolving macro climate, including recent announcements by global technology companies investing in AI in the UK, new government funding commitments in defence and national security, and the wider geopolitical context highlighted by President Trump's recent visit to the UK.

⁠The live broadcast will provide investors and stakeholders with a rare opportunity to hear directly from the leadership team as it reflects on recent milestones and considers the wider strategic landscape.

⁠Access details for the broadcast will be published on the Company's website and investor channels later this week.

About Defence Holdings PLC (ALRT)
Defence Holdings PLC (LSE: ALRT) is the UK's first listed software-led defence company. Its five-year strategic plan focuses on delivering sovereign digital capabilities across national security, resilience, and defence readiness.

Enquiries:
Defence Holdings PLC
info@defenceplc.com
www.defenceplc.com