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

a) Names

Timo Lehne

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

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

1. Vesting of a conditional award granted on 05 February 2020 and dividend equivalents under the SThree plc Long Term Incentive Plan.
2. Sale of shares to cover tax/other liabilities, with the remaining balance of 12,558 retained.

c) Price(s) and volume(s)

Item

1. Vesting

2. Sale

Price(s)

£NIL

£4.273793

Volume(s)

21,708

9,150

d) Aggregated information

- Aggregated volume

- Price

1. 21,708  £NIL

2. 9,150 £4.273793

e) Date of the transactions

09/02/2023

f) Place of the transaction

1. Off market
2. London Stock Exchange (XLON)