24 January 2017

    Elementis - Directorate Changes

    Elementis plc (ELM.L) (the "Company"), the FTSE 250 Global Specialty Chemicals
    Company, today announces the appointment of Sandra Boss as a Non-Executive
    Director of the Company. The appointment is effective from 1 February 2017 and
    she will be a member of the Nomination, Audit and Remuneration Committees.

    Sandra (Sandy) Boss was a Senior Partner at McKinsey & Company from 2005 to
    2014 and a Partner from 2000. She specialised in Investment Banking and Risk
    and held several senior management positions both in the UK and the US since
    joining in 1994. At McKinsey, Sandra was an adviser to global financial
    institutions, corporates and public sector bodies on a wide range of strategic,
    operational and policy issues. Sandy has also held non-executive and advisory
    appointments with the Institute of International Finance, the McKinsey Master
    Retirement Trust and the Edith Wharton Restoration.

    Sandy was appointed an external member of the Bank of England's Prudential
    Regulation Authority Board in September 2014 and became an independent director
    of Enstar Group Limited, a NASDAQ-listed insurance group, and a member of its
    Compensation and Nominating and Governance Committees in November 2015. Sandy
    has a BA degree in American Studies and Economics from Stanford University and
    an MBA degree from Harvard Business School.

    Andrew Duff, Chairman of Elementis, said: "Sandy has an excellent strategic
    background and she brings a wealth of experience to the Board both from her
    advisory roles in corporate and investment banking and from having extensive
    leadership experience bringing teams together and advising on complex
    transformational change on a global level. She will be a welcome addition to
    the Board, and I am delighted that she has accepted the position and look
    forward to working with her."

    The Company confirms that there are no other matters requiring disclosure in
    relation to listing rule 9.6.13.

    Wai Wong
    Company Secretary
    020 7067 2999