Holding(s) in Company

TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARESi

1. Identity of the issuer or the underlying issuerof existing shares to which voting rights areattached: ii

Big Yellow Group PLC

2 Reason for the notification (please tick the appropriate box or boxes):

An acquisition or disposal of voting rights

X

An acquisition or disposal of qualifying financial instruments which may result in the acquisition of shares already issued to which voting rights are attached

An acquisition or disposal of instruments with similar economic effect to qualifying financial instruments

An event changing the breakdown of voting rights

Other (please specify):

3. Full name of person(s) subject to thenotification obligation: iii

Cohen & Steers, Inc. ("CSI")

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

Cohen & Steers Capital Management, Inc. ("CSCM")

Cohen & Steers UK Limited ("CSUK")

5. Date of the transaction and date onwhich the threshold is crossed orreached: v

January 11, 2017

6. Date on which issuer notified:

January 12, 2017

7. Threshold(s) that is/are crossed orreached: vi, vii

Below 5%

8. Notified details:

A: Voting rights attached to shares viii, ix

Class/type ofshares

if possible usingthe ISIN CODE

Situation previousto the triggeringtransaction

Resulting situation after the triggering transaction

NumberofShares

NumberofVotingRights

Numberof shares

Number of votingrights

% of voting rights x

Direct

Direct xi

Indirect xii

Direct

Indirect

GB0002869419

8,107,977

8,107,977

7,830,414

4.961%

B: Qualifying Financial Instruments

Resulting situation after the triggering transaction

Type of financialinstrument

Expirationdate xiii

Exercise/Conversion Period xiv

Number of votingrights that may beacquired if theinstrument isexercised/ converted.

% of votingrights

Nil

C: Financial Instruments with similar economic effect to Qualifying Financial Instruments xv, xvi

Resulting situation after the triggering transaction

Type of financialinstrument

Exercise price

Expiration date xvii

Exercise/Conversion period xviii

Number of voting rights instrument refers to

% of voting rights xix, xx

Nil

Nominal

Delta

Total (A+B+C)

Number of voting rights

Percentage of voting rights

7,830,414

4.961%

9. Chain of controlled undertakings through which the voting rights and/or thefinancial instruments are effectively held, if applicable: xxi

CSUK is the controlled undertaking of CSI and holds 501,030 voting rights. This is an indirect holding of less than 3%, and less than the 5% reportable threshold for investment managers.

CSCM is the controlled undertaking of CSI and holds 7,329,384 voting rights. This is an indirect holding of more than 3%, but less than the 5% reportable threshold for investment managers.

Proxy Voting:

10. Name of the proxy holder:

N/A

11. Number of voting rights proxy holder will ceaseto hold:

N/A

12. Date on which proxy holder will cease to holdvoting rights:

N/A

13. Additional information:

14. Contact name:

Stephen Lavine

15. Contact telephone number:

001 212-822-1687