Additional Listing

26 January 2007

Lidco Group Plc announces that 239,130 new Ordinary Shares of 0.5p each ('New Ordinary Shares') have been issued and allotted to Hugh McGarel-Groves at 11.5p upon his resignation from the Company as announced on 22 January 2007.

Application has been made to the London Stock Exchange for the New Ordinary Shares, which will rank pari passu with the existing shares in issue, to be admitted to trading on AIM, and admission is expected to become effective on 31 January 2007.

Notes for Editors

About LiDCO Group Plc
LiDCO is a UK-based AIM-traded developer, manufacturer and leading supplier of minimally invasive, computer-based hemodynamic monitoring equipment and disposables used primarily for the management of critical care and cardiovascular risk hospital patients. Use of LiDCO's technology has been shown to significantly reduce the complications (particularly infections) and costs associated with major surgery. The technology was invented in the Department of Applied Physiology based at St Thomas' Hospital, London.

The Company's manufacturing facility is in Hoxton, London, UK and its current products are:
• LiDCOplus and PulseCO monitors: computer-based platforms for displaying a range of real-time, continuous hemodynamic parameters including cardiac output, oxygen delivery and fluid volume;
• LiDCO disposables: used in conjunction with the LiDCOplus Monitor to accurately determine cardiac output in a minimally-invasive manner.

Distribution Network:
The Company has now achieved registration of its products in 14 markets in Europe, the USA, Brazil and Japan. It sells direct in the UK and USA, and elsewhere through a worldwide network of specialty critical care distributors.