Tristel Regulatory News (TSTL)

TRISTEL plc

("Tristel" or "the Company")

Chairmanship change and grant of options

Tristel plc (AIM: TSTL), the manufacturer of infection prevention, contamination control and hygiene products, announces the appointment of Christopher Samler as Non-Executive Chairman. Francisco Soler, who has been the Non-Executive Chairman since the Company's flotation in June 2005, will continue as a Non-Executive Director.

Mr Samler was appointed to the Company's Board of Directors on 24 October 2011 and has been the Senior Independent Non-Executive Director since then. He will be granted options over 200,000 ordinary shares of 1 pence each under the Tristel plc Enterprise Management Incentive Scheme 2005. The share options are exercisable for a period of ten years, at 57 pence per share. He currently has no beneficial interest in the Company.

Francisco Soler commented: "I am delighted to hand over the Chair to Christopher. He will be able to make a greater time commitment to the Company and, with his past experience in healthcare, we can look forward to him providing great support to our management team. I shall continue as Non-Executive Director to support this enterprise that I founded in 1993."

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