CHAIR SUCCESSION UPDATE

7 October 2026, The Board of Tritax Big Box REIT plc (ticker: BBOX) (the "Company") today announces the appointment of Nick Prettejohn as Chair Designate. Following a rigorous selection process, the Board has identified Nick as Aubrey Adams OBE FCA FRICS’s successor as Chair of the Company. Consistent with the timeline communicated to the market in March 2026, Aubrey has informed the Board of his intention to retire with effect from 31 December 2026.

Appointment of Nick Prettejohn as Chair Designate and Non-Executive Director

Nick will join the Board as an Independent Non-Executive Director and Chair Designate with effect from 7 October 2026. To ensure an orderly transition, Aubrey will continue to serve as Chair until 31 December 2026, after which Nick will assume the role of Chair with effect from 1 January 2027.

Nick is currently Chair of Reach plc, a position he has held since 2018, and has previously served as Chair of TSB Banking Group plc, Scottish Widows and Brit Insurance. He was also Senior Independent Director of YouGov plc and a Non-Executive Director and Chair of the Risk Committee at both Lloyds Banking Group plc and Legal & General Group plc. Earlier in his career, he served as Chief Executive of Prudential UK & Europe and Chief Executive of Lloyd's of London. He has also held a number of public and regulatory appointments, including roles with the Prudential Regulation Authority and the BBC Trust.

Retirement of Aubrey Adams

The Board would like to extend its sincere thanks to Aubrey for his leadership, service and significant contribution to the Company during his tenure as Chair.

Over the past five and a half years, Aubrey has overseen a period of substantial growth and strategic progress, during which the Company has strengthened its position as the UK's leading listed industrial and logistics pure-play platform. Key milestones during his tenure have included the transformational combination with UK Commercial Property REIT, the acquisition of the Blackstone logistics portfolio, the launch of the Company's data centre strategy and the Company's admission into the FTSE 100 Index.

Under Aubrey's leadership, the Company has significantly expanded its scale, capabilities and strategic opportunity set, while maintaining a disciplined approach to governance, capital allocation and long-term value creation for shareholders.

Karen Whitworth FCA, Senior Independent Director, commented:

“On behalf of the Board, I would like to thank Aubrey for his outstanding leadership, dedication and contribution to the Company. He has guided Tritax Big Box through a period of significant strategic progress with clarity, sound judgement and unwavering commitment. We are deeply grateful for his service and wish him every success for the future.”

“Following a comprehensive search process, the Board concluded that Nick's combination of chairing experience, executive leadership and governance expertise makes him exceptionally well qualified to lead the Board and support the Company's next phase of growth. His extensive experience across listed companies, regulated organisations and major public institutions, together with his deep understanding of capital markets and stakeholder engagement, will be invaluable as the Company continues to execute its strategy.”

Aubrey Adams OBE FCA FRICS, Chair of Tritax Big Box REIT plc, commented:

“It has been a privilege to chair the Company over the past five and a half years. During that time, Tritax Big Box has made significant strategic progress through transformative acquisitions and the establishment of a compelling long-term growth platform in data centres. With its high-quality portfolio, robust balance sheet and strong market position, the Company is exceptionally well placed to capture the opportunities ahead. I would like to thank my fellow Board members, the Manager and our shareholders for their support, and I look forward to following the Company’s continued success.”

Nick Prettejohn, Chair Designate, commented:

“I am delighted to be joining the Board of Tritax Big Box and honoured to have been appointed Chair Designate. The Company has made impressive strategic progress and is well positioned for its next phase of growth. I look forward to working with the Board and the Manager during the transition and to supporting the Company’s continued success.”

There is no other information required to be disclosed under UKLR 6.4.8R.

For further information, please contact:

The Company's LEI is: 213800L6X88MIYPVR714.

Notes: 

Tritax Big Box REIT plc (ticker: BBOX) is the largest listed investor in high-quality logistics warehouse assets and controls the largest logistics-focused land platform in the UK. Tritax Big Box targets attractive and sustainable returns for shareholders by investing in and actively managing existing built investments and land suitable for logistics development. The Company focuses on well-located, modern logistics assets, typically let to institutional-grade clients on long-term leases with upward-only rent reviews and geographic and client diversification throughout the UK. Additionally, having adopted a “power first” approach, the Company has secured 507MW of power to support multiple data centre development schemes, and has a total current pipeline of approximately 1GW of data centre opportunities, offering the potential to deliver exceptional returns on an accelerated basis.

The Company is a real estate investment trust to which Part 12 of the UK Corporation Tax Act 2010 applies, is listed on the Official List of the UK Financial Conduct Authority and is a constituent of the FTSE 100, FTSE EPRA/NAREIT and MSCI indices.

Further information on Tritax Big Box REIT is available at www.tritaxbigbox.co.uk