Marstons Regulatory News (MARS)

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

Marston's PLC

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

An acquisition or disposal of voting rights

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):

Increase of share capital of issuer

X

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

Dimensional Fund Advisors LP

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

The shares are held by one or more nominees/custodians

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

Monday 22 May 2017

6. Date on which issuer notified:

Wednesday 24 May 2017

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

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

Indirect

Direct xi

Indirect xii

Direct

Indirect

Ordinary GPX

Above 5%

Above 5%

29,565,208

8,721,736

4.666%

GB00B1JQDM80

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

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

Nominal

Delta

Total (A+B+C)

Number of voting rights

Percentage of voting rights

8,721,736

4.666%

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

The ordinary shares are held in segregated accounts and funds (together, the "Accounts") managed on a discretionary basis by Dimensional Fund Advisors LP and its subsidiary undertakings (i) Dimensional Fund Advisors Ltd., (ii) Dimensional Fund Advisors Canada ULC and (iii) DFA Australia Limited.

Dimensional Fund Advisors LP is controlled by its general partner, Dimensional Holdings Inc.

Dimensional Fund Advisors LP, on behalf of itself and its subsidiary undertakings, expressly disclaims beneficial ownership of the shares held in the Accounts.

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:

This disclosure has been calculated using a denominator of 186,915,234 voting rights - as each share holds only 0.295 voting rights.

14. Contact name:

Anne-Marie Brennan

15. Contact telephone number:

01902 329506