SThree Regulatory News (STEM)

1. Details of the person discharging managerial responsibilities / person closely associated

a) Name

Timo Lehne

2. Reason for the notification

a) Position/status

Director and 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

SThree plc

b) LEI

2138003NEBX5VRP3EX50

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 1p

GB00B0KM9T71

b) Nature of the transaction

Issue of shares as consideration for the purchase of Minority Interests held by Timo Lehne.

c) Price(s) and volume(s)

Price

£1.39

Volume(s)

7,404

d) Aggregated information

- Aggregated volume

- Price

7,404

£10,292

e) Date of the transactions

16/09/2025

f) Place of the transaction

Off market