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

a) Names

Gary Elden

Alex Smith

Justin Hughes

2. Reason for the notification

a) Position/status

CEO

CFO

COO

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

Vesting of  2016 Long Term Incentive Plan ("LTIP"), sold enough shares to cover tax liabilities and retained remaining shares. 

c) Price(s) and volume(s)

Names

Gary Elden

Alex Smith

Justin Hughes

Price(s)

274.02p

274.02p

274.02p

Volume(s)

21,055

15,876

4,238

Gary Elden retained 23,629 shares

Alex Smth retained 17,818 shares

Justin Hughes retained 14,976 shares

d) Aggregated information

- Aggregated volume

- Price

N/A

e) Date of the transaction

28/01/19

f) Place of the transaction

London Stock Exchange