Medicsight PLC

("Medicsight" or "the Group")

Block Admission Applications

Medicsight PLC (AIM: MDST), an industry leader in the development of Computer-Aided Detection (CAD) and image analysis software, announces that an application has been made to the London Stock Exchange for the block admission of a total of 11,731,667 Ordinary Shares of 5 pence each to be admitted to trading on AIM. These shares may be issued pursuant to the Company's share option schemes detailed below which were granted between 2002 and 2008:

All shares expected to be admitted pursuant to the above applications shall rank pari passu with the existing issued shares of the Company.  It is expected that admission will become effective on 5 September 2008.

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