RNS Number : 1430H

Synthomer PLC

12 November 2025

LEI: 213800EHT3TI1KPQQJ56

1

Details of the person discharging managerial responsibilities / person closely associated

a)

Name

Michael Willome

2

Reason for the notification

a)

Position/status

Chief Executive Officer

b)

Initial notification /Amendment

Initial notification

3

Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor

a)

Name

Synthomer plc

b)

LEI

213800EHT3TI1KPQQJ56

4

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, type of instrument

Identification code

Ordinary shares of 1 pence each in Synthomer plc

GB00BNTVWJ75

b)

Nature of the transaction

Purchase of ordinary shares of 1 pence each in Synthomer plc

c)

Price(s) and volume(s)

Price(s)	Volume(s)
£0.4918	63,000

d)

Aggregated information

- Aggregated volume

- Price

63,000

£30,983.40 (excluding transaction fees)

e)

Date of the transaction

11 November 2025

f)

Place of the transaction

London Stock Exchange (LON)

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