Directorate Change

Diagonal PLC
18 June 2003


DIAGONAL plc

Board Appointment

18 June 2003

Diagonal is delighted to announce the appointment of Malcolm Gloak (aged 52) as
a non-executive director with immediate effect.

Malcolm recently left 3i, the leading private equity and venture capital
company, after a very successful 28 year career.  A director of 3i plc since
1987, he was a member of the Senior UK Management team throughout the '90's and
has considerable experience assisting many developing companies, including
Diagonal in its early days.  In the last three years, he has acted as a
non-executive director on a number of 3i and institutionally backed companies.

Mark Samuels, Chairman of Diagonal, commented:

'On behalf of the Board I am delighted to welcome Malcolm to Diagonal. His
experience and involvement with developing technology companies will be of great
benefit to the Group. The Board looks forward to working with Malcolm in the
future.'

Malcolm Gloak said:

'I hope that my understanding of Board and Shareholder issues will be of great
value to Diagonal, and look forward to taking up my new role with great
enthusiasm'.

Diagonal confirms that there is no additional regulatory information requiring
notification under the Listing Rules in connection with the appointment of
Malcolm Gloak.

Diagonal is to announce its 2003 Interim Results on Thursday 24 July 2003.


Notes to Editors:

Diagonal PLC provides a broad range of IT consulting services. The Consulting
Division is one of the UK's leading implementers of SAP systems and has been
awarded SAP Partner of Excellence on each occasion it has been presented. It
also specialises in Enterprise Application Integration and e-commerce skills.
The Secure Networks Division provides network and remote access security and
consultancy.


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