| 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) |
| £3.493644 | 43 Partnership Shares |
| Nil | 22 Matching Shares |
| d) Aggregated information - Aggregated volume - Price | 65 £150.23 |
| e) Date of the transaction | 12/10/2022 |
| f) Place of the transaction | London Stock Exchange (XLON) |