Director/PDMR Shareholding

1.

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

a)

Name

1. Nicholas Vetch

2. James Gibson

b)

Position / status

1. Executive Chairman

2. Chief Executive Officer

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 21 March 2017, Mr Vetch sold 1,172 shares in the Company at an average price of 721.7636 pence. On the same day, Mr Vetch's wife, Catherine Vetch, sold 1,610 shares in the Company at an average price of 721.7636 pence. Following these transactions, Mr Vetch's holding has reduced to 9,059,881, representing 5.74% of the issued share capital of the Company.

2. On 21 March 2017, Mr Gibson sold 16,210 shares in the Company at an average price of 721.7636 pence. These shares were part of the 2012 Long Term Bonus Performance Plan that had become unrestricted at the end of the minimum holding period. Following this transaction, Mr Gibson's holding has reduced to 2,463,490, representing 1.56% of the issued share capital of the Company.

c)

Price(s) and volume(s)

d)

Aggregated information

Aggregated volume Price

18,992 shares

721.7636 pence

e)

Date of the transaction

21 March 2017

f)

Place of the transaction

London Stock Exchange, Main Market (XLON)