LiDCO Group Plc

("LiDCO" or the "Company")

Notice of preliminary results and Annual General Meeting

LiDCO Group Plc (AIM: LID), the cardiovascular monitoring company, today advises that it will announce its preliminary results for the year ended 31 January 2009 on 21 April 2009.  

An analyst briefing given by the Company's management will be held at 9:30am that morning at the offices of Abchurch Communications, 100 Cannon Street, London EC4N 6EU.  

In addition the Company confirms that its Annual General Meeting will be held at 11.00am on 24 June 2009 at the offices of Abchurch Communications.

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About LiDCO Group Plc

LiDCO is a leading supplier of minimally invasive hemodynamic monitoring equipment and disposables. These are used primarily for the management of hospital patients requiring critical care or at major cardiovascular risk. LiDCO's computer-based technology significantly reduces 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. LiDCO is based in the UK and its shares are traded on AIM. For more information please see www.lidco.com.

The Company's manufacturing facility is in Hoxton, London and its current products are:

* LiDCOplus and PulseCO monitors: these computer-based platforms are used in the Intensive Care Unit for real-time continuous display of hemodynamic parameters including cardiac output, oxygen delivery and fluid volume (PPV% and SVV%)

* LiDCO disposables: used in conjunction with the LiDCOplus Monitor for accurate measurement of cardiac output in a minimally invasive manner

* LiDCOview: an easy-to-use graphical display of historical LiDCOplus hemodynamic data. Both clinical researchers and routine users can view beat-to-beat hemodynamic data collected with the LiDCOplus. LiDCOviewSE is the standard version of this tool and is available for free, allowing anyone to download and access data from the LiDCOplus. LiDCOviewPRO is the Professional version, allowing users to analyse, export and report the LiDCOplus data. A free trial of LiDCOviewPRO is available for evaluation purposes prior to purchase

* LiDCOlive: a software product in development for the remote display of hemodynamic monitoring parameters derived through use of the LiDCOplus or LiDCOrapid monitors

* LiDCOrapid : our new cardiac output monitor designed specifically for use in the Operating Theatre for fluid and drug management at the point of care

Distribution Network:

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