Holding(s) in Company

Holding(s) in Company

ARC International plc

TR-1: Notifications of Major Interests in Shares

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

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ARC International PLC

2. Reason for notification (yes/no)

An acquisition or disposal of voting rights

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No

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

No

An acquisition or disposal of instrument with similar economic effect to qualifying financial instruments

No

An event changing the breakdown of voting rights

No

Other (please specify): Changes to disclosure requirements

Yes

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

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Gartmore Investment Limited

4. Full name of shareholder(s) (if different from 3):

See attached schedule

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

1st June 2009

6. Date on which issuer notified:

2nd June 2009

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

22%

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8: Notified Details

A: Voting rights attached to shares

Class/type of shares If possible use ISIN code

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Situation previous to the triggering transaction

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Resulting situation after the triggering transaction

Number of shares

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Number of voting rights

Number of shares

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Number of voting rights

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Percentage of voting rights

Direct

Direct

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Indirect

Direct

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Indirect

GB000964548

26,902,498

26,902,498

26,902,498

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26,902,498

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17.462%

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B: Qualifying Financial Instruments

Resulting situation after the triggering transaction

Type of financial instrument

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Expiration date

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Exercise/ conversion period/date

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No. of voting rights that may be acquired (if the instrument exercised/converted)

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Percentage of voting rights

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C: Financial Instruments with similar effect to Qualifying Financial Instruments

Resulting situation after the triggering transaction

Type of financial instrument

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Exercise price

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Expiration date

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Exercise/ Conversion period

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Number of voting rights instrument refers to

% of voting rights

CFD

N/A

N/A

N/A

8,090,803

Nominal

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Delta

5.251%

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Total (A+B+C)

Number of voting rights

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Percentage of voting rights

34,993,301

22.713%

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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:

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 figures are based on the Company’s issued share capital of 154,067,493 as provided by the Company.   Company email: [e-mail]   E mail contact: [e-mail]

14 Contact name:

Charles Rendell

15. Contact telephone name:

01727 891430