Holding(s) in Company

Software Radio Technology PLC
08 May 2008


TR-1: Notifications of Major Interests in Shares


                                                              SOFTWARE RADIO TECHNOLOGY

1. Identity of the issuer or the underlying issuer of
existing shares to which voting rights are attached:


2. Reason for notification (yes/no)
                                                                                        Yes

An acquisition or disposal of voting rights


An acquisition or disposal of financial instruments which may result in the acquisition
of shares already issued to which voting rights are attached


An event changing the breakdown of voting rights


Other (please specify):______________
                                                     Polar Capital LLP

3. Full name of person(s) subject to notification
obligation:


4. Full name of shareholder(s) (if different from
3):
                                                     7th May 2008

5. Date of transaction (and date on which the
threshold is crossed or reached if different):
                                                     8th May 2008

6. Date on which issuer notified:
                                                     3%

7. Threshold(s) that is/are crossed or reached:


8: Notified Details
A: Voting rights attached to shares


Class/type of Situation previous to the Resulting situation after the triggering transaction
shares        triggering transaction
              Number of    Number of    Number of    Number of voting rights  Percentage of voting
If possible   shares       voting       shares                                rights
use ISIN code              rights

                                                     Direct      Indirect     Direct       Indirect


B0M8KM3     3,771,811               2,921,811                                         2.987%



B: Financial Instruments


Resulting situation after the triggering transaction


Type of financial    Expiration date      Exercise/ conversion No. of voting rights  Percentage of voting
instrument                                period/date          that may be acquired  rights
                                                               (if the instrument
                                                               exercised/converted)





Total (A+B)


Number of voting rights                              Percentage of voting rights
2,921,811                                            2.987%


9. Chain of controlled undertakings through which the voting rights and /or the financial instruments are effectively
held, if applicable:



Proxy Voting:


10. Name of proxy holder:


11. Number of voting rights proxy holder will cease
to hold:


12. Date on which proxy holder will cease to hold
voting rights:




13. Additional information:


14 Contact name:                                      Polar Capital LLP - Operations Department


15. Contact telephone name:                           [phone]




Annex: Notification of major interests in shares


A: Identity of the persons or legal entity subject to the notification obligation
Full name                                            Polar Capital LLP

(including legal form of legal entities)


Contact address                                      Polar Capital LLP

(registered office for legal entities)               4 Mathew Parker Street

                                                     London

                                                     SW1H 9NP
Phone number & email                                 [phone]

                                                     [e-mail]
Other useful information

(at least legal representative for legal persons)




B: Identity of the notifier, if applicable
Full name                                            Gopal Bharj


Contact address                                      Polar Capital LLP

                                                     4 Matthew Parker street

                                                     London SW1H 9NP
Phone number & email                                 [phone]


Other useful information



(e.g. functional relationship with the person or
legal entity subject to the notification obligation)


C: Additional information



Enquiries:

Software Radio Technology                                                         01761 409 500
Matthew Rogers


Numis Securities Limited                                                              0207 260 1000
David Poutney
Lee Aston



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