Holding(s) in Company

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

Synthomer Plc

GB0009887422

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

An acquisition or disposal of voting rights

Yes

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

n/a

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

n/a

An event changing the breakdown of voting rights

n/a

Other (please specify):

n/a

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

UBS Asset Management (Traditional Entities)

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

UBS Asset Management (Australia) Limited

UBS Asset Management (UK) Limited

UBS Asset Management Life Limited

UBS Asset Management Trust Company

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

3 February 2016

6. Date on which issuer notified:

5 February 2016

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

Direct xi

Indirect xii

Direct

Indirect

GB0009887422

Below Notifiable Threshold

Below Notifiable Threshold

-

-

17,064,259

-

5.02%

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

17,064,259

5.02%

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

UBS Asset Management (Australia) Limited - 12,383 - 0.00%

UBS Asset Management (UK) Limited - 16,806,003 - 4.95%

UBS Asset Management Life Limited - 236,304 - 0.07%

UBS Asset Management Trust Company - 9,569 - 0.00%

Proxy Voting:

10. Name of the proxy holder:

UBS Asset Management on behalf of a number of clients

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

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

13. Additional information:

14. Contact name:

Richard Atkinson

15. Contact telephone number:

01279 775 210