Holding(s) in Company

ARC International plc
                  

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TR-1: Notifications of Major Interests in Shares
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1. Identity of the issuer or the underlying issuer of existing       ARC INTERNATIONAL PLC
 shares to which voting rights are attached:
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2. Reason for notification (yes/no)
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An acquisition or disposal of voting rights                                                    YES
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An acquisition or disposal of financial instruments which may result in the acquisition of     NO
 shares already issued to which voting rights are attached
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An event changing the breakdown of voting rights                                               NO
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Other (please specify):______________
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3. Full name of person(s) subject to notification         Gartmore Investment Limited
 obligation:
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4. Full name of shareholder(s) (if different from 3):     See attached schedule
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5. Date of transaction (and date on which the threshold   23rd April 2008
 is crossed or reached if different):
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6. Date on which issuer notified:                         29th April 2008
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7. Threshold(s) that is/are crossed or reached:           18%
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8: Notified Details
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A: Voting rights attached to shares
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Class/type of  Situation previous to the    Resulting situation after the triggering transaction
 shares         triggering transaction
If possible    ---------------------------- ---------------------------------------------------------------
 use ISIN code Number of    Number of       Number of   Number of voting rights    Percentage of voting
                shares       voting rights   shares                                 rights
                                                        -------------------------- ------------------------
                                                        Direct         Indirect    Direct        Indirect
-------------- ------------ --------------- ----------- -------------- ----------- ------------- ----------
GB000964548    23,452,801   23,452,801      27,610,125                 27,610,125                18.081%
-------------- ------------ --------------- ----------- -------------- ----------- ------------- ----------

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B: Financial Instruments
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Resulting situation after the triggering transaction
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Type of financial     Expiration date     Exercise/ conversion  No. of voting rights     Percentage of
 instrument                                period/date           that may be acquired     voting rights
                                                                 (if the instrument
                                                                 exercised/converted)
--------------------- ------------------- --------------------- ------------------------ ------------------

--------------------- ------------------- --------------------- ------------------------ ------------------

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Total (A+B)
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Number of voting rights                                 Percentage of voting rights
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27,610,125                                              18.081%
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9. Chain of controlled undertakings through which the voting rights and /or the financial instruments are
 effectively held, if applicable:
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Proxy Voting:
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10. Name of proxy holder:
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11. Number of voting rights proxy holder will cease to
 hold:
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12. Date on which proxy holder will cease to hold
 voting rights:
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13. Additional information:                             All shares are held indirectly

                                                        All figures are based on the Companies issued share
                                                         capital of 152,703,048 as provided by Exshare
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14 Contact name:                                        Charles Rendell
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15. Contact telephone name:                             01727 891430
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