National Storage Mechanism | Additional information

12 August 2025

Big Yellow Group PLC

("Big Yellow", "the Group" or "the Company")

Planning Update

Big Yellow announces that it has obtained planning consent for a 55,000 sq ft storage centre on its site in Leamington Spa.

We expect that this new store will deliver an approximately 8.5% net operating income return at stabilisation on the total capital deployed of £13.3 million.

Jim Gibson CEO, commented:

"We are pleased to have secured planning at Leamington Spa and anticipate that the store will open in summer 2027. We now have planning consent on 10 of our 13 pipeline stores."

Enquiries:

Nicholas Vetch CBE, Executive Chairman 01276 477811

Jim Gibson, Chief Executive Officer 01276 477811

John Trotman, Chief Financial Officer 01276 477811

Sodali & Co 0207 100 6451

Ben Foster

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