Director/PDMR Shareholding

1.

Details of PDMR / person closely associated with them ('PCA')

a)

Name

1. Nicholas Vetch

2. John Hunter

3. John Trotman

b)

Position / status

1. Executive Chairman

2. Chief Executive Officer

3. Chief Financial Officer

c)

Initial notification / amendment

Initial Notification in each case

2.

Details of the transaction(s): section to be repeated for (i) each type of instrument;
(ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted

a)

Description of the financial instrument

Ordinary Shares of Big Yellow Group PLC (the "Company").

b)

Nature of the transaction

In each case, on 21 July 2026 the Executive Directors/PDMRs were granted nil paid options over ordinary shares of 10 pence (the "Options") granted under the Company's Long Term Investment Plan. 

The Options are exercisable from 21 July 2029 to 20 July 2036, subject to performance criteria being met.

Each of the messrs Vetch, Hunter and Trotman were granted the following Options:

1. Mr Vetch:                103,292

2. Mr Hunter:              108,016

3. Mr Trotman:            67,142

The performance conditions attributable to these Options are set out in the Remuneration Report in the Group's 31 March 2026 Annual Report.

c)

Price(s) and volume(s)

d)

Aggregated information

Aggregated volume Price

278,450 shares

£nil

e)

Date of the transaction

21 July 2026

f)

Place of the transaction

Outside a trading venue