Exercise of Options

4 Feb 2005 16:30

Immunodiagnostic Systems Hldgs PLC04 February 2005 Immunodiagnostic Systems Holdings plc ("IDS") or the "Company") 4 February 2005 IMMUNODIAGNOSTIC SYSTEMS HOLDINGS PLC IDS, a leading producer of diagnostic testing kits for the clinical and researchmarkets, has made an application for trading of 44,464 ordinary shares to beissued pursuant to the exercising of an option by Teather and Greenwood underthe Option Deed (entered in to at the time of admission) at 2p per ordinaryshare. The new ordinary shares will rank pari passu with the existing ordinary sharesof the Company. Trading is expected to commence on AIM on 11 February 2005. Contacts: Paul McManus, Binns & Co PR Ltd Tel: 020 7153 1485 Mob: 07980 541 893 This information is provided by RNS The company news service from the London Stock Exchange