SThree : Appointment and retirement of Non-Executive Directors

For release at 7am on 2 October2017

SThree plc

('SThree' or the 'Group')

Appointment and retirement of Non-Executive Directors

SThree, the international specialist STEM staffing business, announces that it has appointed James Bilefield as a Non-Executive Directorand member of the Remuneration, Auditand Nomination Committees, with effect from 1 October 2017.

Current Non-Executive Directors Fiona MacLeod and Nadhim Zahawiwill retire on 31 October 2017and James will succeed Fiona as Senior Independent Director, in addition to becoming ChairmanDesignate. Jameswill succeed Clay Brendishas Chairman on conclusion of the Company's AGMin April 2018.

Biographical details for James Bilefield are as follows:

James Bilefield - joined the Board of Stagecoach Group plc on 1 February 2016, where he currently serves on the Remuneration and Nomination Committees. Other appointments include Cruise.co (Chairman), McKinsey & Company (Senior Advisor), Advent International (Industry Advisor) and Teach First (Trustee). James has an international track record of successfully leading growing digital businesses. He managed the digital transformation of media group, Condé Nast, across 27 countries, scaled Skype's global operations as part of its founding management team and held senior management roles at Yahoo! during its major growth phase. Formerly CEO of global advertising technology company, OpenX, he also co-founded the UK local information business, UpMyStreet, following an investment banking career at JP Morgan Chase.

This latest Board appointment follows the appointment ofBarrie Brien as a Non-Executive Director and member of the Remuneration, Audit and Nomination Committees, with effect from 11 September 2017.

Clay Brendish, Chairman commented: 'Having chairedthe Group through a period of significant transition, Ifeel that now is the right time to confirm our Board succession plans. James will bringcomplementary skillsand experience gained in a number of leading digital businesses to the Board, as well as the ability and energy to steerSThree through its next phase of growth.We are delighted to welcome him to the Group.'

'I would also like to thank both Nadhim and Fiona for their significant contribution to the Board and Committees during their tenureand we wish themwell for the future'.

There are no additional details relating to theappointmentsthat are required to be disclosed pursuant to paragraph 9.6.13 (1-6) of the Listing Rules.

- Ends -

Notes to editors

SThree is a leading international specialist staffing business, providing permanent and contract specialist staff to a diverse client base of over 7,000 clients. From its well-established position as a major player in the Information and Communication Technology ('ICT') sector the Group has broadened the base of its operations to include businesses serving the Banking & Finance, Energy, Engineering and Life Sciences sectors.

Since launching its original business, Computer Futures, in 1986, the Group has adopted a multi-brand strategy, establishing new operations to address growth opportunities. SThree brands include Computer Futures, Huxley Associates, Progressive and The Real Staffing Group. The Group has circa 2,600 employees in sixteen countries.

SThree plc is quoted on the Official List of the UK Listing Authority under the ticker symbol STHR and also has a US level one ADR facility, symbol SERTY.

Important notice

Certain statements in this announcement are forward looking statements. By their nature, forward looking statements involve a number of risks, uncertainties or assumptions that could cause actual results or events to differ materially from those expressed or implied by those statements. Forward looking statements regarding past trends or activities should not be taken as representation that such trends or activities will continue in the future. Certain data from the announcement is sourced from unaudited internal management information. Accordingly, undue reliance should not be placed on forward looking statements.