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 (GB0009645481)

2. Reason for notification (yes/no)

An acquisition or disposal of voting rights

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Yes

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 event changing the breakdown of voting rights

No

Other (please specify):______________

No

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

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UBS Investment Bank

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

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

6th January 2009

6. Date on which issuer notified:

8th January 2009

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

5.15%

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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

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Indirect

Direct

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Indirect

GB0009645481

Non notifiable threshold

Non notifiable threshold

7,856,963

7,856,963

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5.15%

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B: 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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Total (A+B)

Number of voting rights

Percentage of voting rights

7,856,963

5.15%

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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:

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14 Contact name:

Charles Rendell

15. Contact telephone name:

+ 441727891430