Idox plc

Transaction in Own Shares and Total Voting Rights

Idox plc (AIM: IDOX) (the "Company"), a leading supplier of specialist information management solutions through its two major divisions, Public Sector Software and Engineering Information Management, announces that, further to the general authority given to the Company by its shareholders at the Company's last annual general meeting to make market purchases of its own ordinary shares of 1 pence each ("Ordinary Shares"), the Company yesterday purchased 200,000 of its own Ordinary Shares at a price of 41.0 pence per Ordinary Share. These shares will be held as treasury shares.

Following the above purchase, the Company's issued share capital consists of 358,733,615 Ordinary Shares of which a total of 3,055,219 Ordinary Shares are held in treasury. Therefore, the total number of Ordinary Shares with voting rights in the Company is 355,678,396 Ordinary Shares.

The above figure of 355,678,396 Ordinary Shares may be used by shareholders as the denominator for the calculations by which they will determine if they are required to notify their interest in, or a change to their interest in, the share capital of the Company under the FCA's Disclosure and Transparency Rules.

Enquiries:

Idox plc                                                                                               +44 (0) 870 333 7101

Martin Brooks, Chairman

Richard Kellett-Clarke, Chief Executive

Jane Mackie, Chief Financial Officer

N+1 Singer (NOMAD and Broker)                                                   +44 (0) 20 7496 3000

Shaun Dobson

Alex Wright

Leander (Financial PR)                                                                     +44 (0) 7795 168 157

Christian Taylor-Wilkinson

About Idox plc

Idox plc is a supplier of specialist document management collaboration solutions and services to the public sector and increasingly to highly regulated asset intensive industries around the world in the wider corporate sector.

Its Public Sector Software Division is the leading applications provider to UK local government for core functions relating to land, people and property, such as its market leading planning systems and election management software. Over 90% of UK local authorities are now customers. The Division provides public sector organisations with tools to manage information and knowledge, documents, content, business processes and workflow as well as connecting directly with the citizen via the web, and providing elections management solutions. It also supplies in the UK and internationally, decision support content such as grants and planning policy information and corporates compliance services.

The Engineering Information Management Division delivers engineering document control, project collaboration and facility management applications to many leading companies in industries such as oil & gas, architecture and construction, mining, utilities, pharmaceuticals and transportation in North America and around the world.

The Group employs over 560 staff located in the UK, the USA, Canada, Europe, India and Australia.

For more information see www.idoxplc.com.