Big Yellow Regulatory News (BYG)

1.

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

a)

Name

1. James Gibson

2. Michael O'Donnell

b)

Position / status

1. Chief Executive Officer

2. Non Executive Director

c)

Initial notification / amendment

Initial Notification

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

1. On 28 September 2022, Michelle Gibson, Mr Gibson's spouse, purchased 25,627 Ordinary Shares in the Company at an average price of 975.532 pence per share. This increases Mr Gibson and his family's beneficial holding to 1,815,320 ordinary shares, representing 0.99% of the issued share capital of the Company.

2. On 28 September 2022, Mr O'Donnell purchased 2,000 Ordinary Shares in the Company at an average price of 990.7 pence per share. This increases Mr O'Donnell's beneficial holding to 6,000 shares, representing 0.003% of the issued share capital of the Company.

c)

Price(s) and volume(s)

d)

Aggregated information

Aggregated volume Price

25,627 shares

976.630 pence

e)

Date of the transaction

28 September 2022

f)

Place of the transaction

London Stock Exchange, Main Market (XLON)