LiDCO Group Plc 13 April 2005 For immediate release 13 April 2005 LiDCO GROUP PLC (LiDCO or "the Company") DIRECTOR SHARE OPTIONS AWARD LiDCO Group plc (AIM: LID), the UK-based cardiovascular monitoring company, announces the following arrangements with respect to share options awarded to a director of the Company. On 12th April 2005, the Company granted John Barry, Sales & Marketing Director, new unapproved options over 1,313,923 shares, exerciseable at 22 pence, which represents the mid closing price on the 12th April 2005. These options will vest as follows: Options over 328,481 shares, vesting on or after 31 December 2005 Options over 328,481 shares, vesting on or after 31 April 2006 Options over 656,961 shares, vesting on or after 30 September 2006 Simultaneously with the above, on 12th April 2005, John Barry has unconditionally surrendered the following options previously granted: Date of grant Number Price Performance Conditions Value Type Jul 01 637,500 140p At share price 213p 892,500 Unapproved Jan 02 25,800 116p At share price 176p 29,928 Approved Jan 02 74,200 116p At share price 176p 86,072 Unapproved For more information please contact: LiDCO Group Plc 020 7749 1500 Terry O'Brien (CEO) terry@lidco.com Theresa Wallis (Chairman) theresa.wallis@lidco.com Buchanan Communications Tim Anderson tima@buchanan.uk.com 020 7466 5000 Mary-Jane Johnson mary-janej@buchanan.uk.com James Strong jamess@buchanan.uk.com Durlacher Ltd Grant Harrison (Head of Corporate Broking) 020 7459 3600 This information is provided by RNS The company news service from the London Stock Exchange