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

a) Names

Andrew Beach

2. Reason for the notification

a) Position/status

Director and Chief Financial 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

Purchase of partnership shares and award of matching shares under the SThree plc Share Incentive Plan

c) Price(s) and volume(s)

Price(s)

Volume(s)

£4.285

35 Partnership Shares

Nil

12 Matching Shares

d) Aggregated information

- Aggregated volume

- Price

47

£149.975

e) Date of the transaction

13/02/2023

f) Place of the transaction

London Stock Exchange (XLON)