Dividend Pay Date Amendment

Tristel PLC 14 March 2007 14 March 2007 TRISTEL PLC Dividend Pay Date Amendment Tristel plc ('Tristel'), the AIM listed provider of infection and contamination control products, today announces the following amendment to the announcement released on 19 February 2007 07:01 RNS No: 4494R. The Pay Date should read 10 April 2007 and not 6 April 2007 as was previously stated. The amended text appears below. Dividend We are declaring an interim dividend of 0.35p per share, an increase of 27% over the interim dividend declared last year, and in line with our progressive dividend policy. The dividend will be paid on 10 April 2007 to shareholders on the register at the close of business on 2 March 2007. This information is provided by RNS The company news service from the London Stock Exchange