Mr Jim Rosenberg Securities and Exchange Commission 100 First Street, N.E. Washington DC 20549 September 11, 2007 Dear Mr. Rosenberg In relation to your letter dated August 24, 2007 please be advised that Trinity Biotech plc will respond no later than Friday, September 28, 2007. The delay in response is due to the temporary lack of availability of key internal resources arising from vacation. Yours sincerely /s/Rory Nealon Rory Nealon Chief Financial Officer Trinity Biotech plc.