Big Yellow Regulatory News (BYG)

NOTIFICATION OF MAJOR HOLDINGS (to be sent to the relevant issuer and to the FCA in Microsoft Word format if possible)i

1a. Identity of the issuer or the underlying issuer of existing shares to which voting rights are attachedii:

Big Yellow Group PLC (GB0002869419)

1b. Please indicate if the issuer is a non-UK issuer (please mark with an "X" if appropriate)

Non-UK issuer

2. Reason for the notification (please mark the appropriate box or boxes with an "X")

An acquisition or disposal of voting rights

X

An acquisition or disposal of financial instruments

An event changing the breakdown of voting rights

Other (please specify)iii:

3. Details of person subject to the notification obligationiv

Name

Stichting PGGM Depositary as title holder of:

- PGGM Listed Real Estate PF Fund (2.64%)

Stichting Bedrijfstakpensioenfonds voor het Schilders-, Afwerkings- en Glaszetbedrijf (0,01%)

City and country of registered office (if applicable)

Zeist, the Netherlands

4. Full name of shareholder(s) (if different from 3.)v

Name

City and country of registered office (if applicable)

5. Date on which the threshold was crossed or reachedvi:

26 September 2018

6. Date on which issuer notified (DD/MM/YYYY):

27 September 2018

7. Total positions of person(s) subject to the notification obligation

% of voting rights attached to shares (total of 8. A)

% of voting rights through financial instruments(total of 8.B 1 + 8.B 2)

Total of both in % (8.A + 8.B)

Total number of voting rights of issuervii

Resulting situation on the date on which threshold was crossed or reached

2.65%

-

2.65%

4.422.021

Position of previous notification (if

applicable)

3.4%

3.4%

8. Notified details of the resulting situation on the date on which the threshold was crossed or reachedviii

A: Voting rights attached to shares

Class/type ofshares

ISIN code (if possible)

Number of voting rightsix

% of voting rights

Direct

(Art 9 of Directive 2004/109/EC) (DTR5.1)

Indirect

(Art 10 of Directive 2004/109/EC) (DTR5.2.1)

Direct

(Art 9 of Directive 2004/109/EC) (DTR5.1)

Indirect

(Art 10 of Directive 2004/109/EC) (DTR5.2.1)

GB0002869419

4.404.075

2.64%

GB0002869419

17.946

0.01%

SUBTOTAL 8. A

4.422.021

2.65%

B 1: Financial Instruments according to Art. 13(1)(a) of Directive 2004/109/EC (DTR5.3.1.1 (a))

Type of financial instrument

Expirationdatex

Exercise/Conversion Periodxi

Number of voting rights that may be acquired if the instrument is

exercised/converted.

% of voting rights

SUBTOTAL 8. B 1

B 2: Financial Instruments with similar economic effect according to Art. 13(1)(b) of Directive 2004/109/EC (DTR5.3.1.1 (b))

Type of financial instrument

Expirationdatex

Exercise/Conversion Period xi

Physical or cash

settlementxii

Number of voting rights

% of voting rights

SUBTOTAL 8.B.2

9. Information in relation to the person subject to the notification obligation (please mark the

applicable box with an "X")

Person subject to the notification obligation is not controlled by any natural person or legal entity and does not control any other undertaking(s) holding directly or indirectly an interest in the (underlying) issuerxiii

X

Full chain of controlled undertakings through which the voting rights and/or thefinancial instruments are effectively held starting with the ultimate controlling natural person or legal entityxiv (please add additional rows as necessary)

Namexv

% of voting rights if it equals or is higher than the notifiable threshold

% of voting rights through financial instruments if it equals or is higher than the notifiable threshold

Total of both if it equals or is higher than the notifiable threshold

10. In case of proxy voting, please identify:

Name of the proxy holder

n/a

The number and % of voting rights held

The date until which the voting rights will be held

11. Additional informationxvi

PGGM Vermogensbeheer B.V. is the fundmanager of PGGM Listed Real Estate PF Fund which is a Dutch funds for joint account. All assets of the funds are held by Stichting PGGM Depositary (as title holder). Therefor the shareholder is Stichting PGGM Depositary.

PGGM Vermogensbeheer B.V. is also the Asset Manager for Stichting Bedrijfstakpensioenfonds voor het Schilders-, Afwerkings- en Glaszetbedrijf which is a pensionfund.

Place of completion

Zeist

Date of completion

27 September 2018