Arnhold and S. Bleichroeder Advisers, LLC



FORM 8.3

    DEALINGS BY PERSONS WITH INTERESTS IN SECURITIES REPRESENTING 1% OR MORE

                         (Rule 8.3 of the Takeover Code)

1. KEY INFORMATION

Name of person dealing (Note 1)                     Arnhold and S. Bleichroeder Advisers, LLC
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Company dealt in                                    Gyrus Group Plc
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Class of relevant security to which the dealings    1p ordinary shares
 being disclosed relate (Note 2)
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Date of dealing                                     January 8, 2008
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2. INTERESTS, SHORT POSITIONS AND RIGHTS TO SUBSCRIBE

(a) Interests and short positions (following dealing) in the class of relevant
security dealt in (Note 3)

                                                         Long                           Short
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                                            Number (%)                     Number (%)
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(1) Relevant securities
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(2) Derivatives (other than options)        1,650,000 (1.11%)
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(3) Options and agreements to purchase/sell
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Total                                       1,650,000 (1.11%)
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(b) Interests and short positions in relevant securities of the company, other
than the class dealt in (Note 3)

        Class of relevant security:                      Long                           Short
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                                            Number (%)                     Number (%)
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(1) Relevant securities
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(2) Derivatives (other than options)
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(3) Options and agreements to purchase/sell
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Total
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(c) Rights to subscribe (Note 3)

Class of relevant security:                Details
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3. DEALINGS (Note 4)

(a) Purchases and sales

Purchase/sale                       Number of securities               Price per unit (Note 5)
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(b) Derivatives transactions (other than options)

Product name,        Long/short (Note 6)     Number of securities (Note 7)    Price per unit (Note 5)
e.g. CFD
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CFD                  Long                    200,000                          �6.24
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(c) Options transactions in respect of existing securities

(i) Writing, selling, purchasing or varying

Product name,       Writing,         Number of           Exercise   Type, e.g.    Expiry     Option money
e.g. call option     selling,         securities to      price       American,     date      paid/received per
                     purchasing,      which the option               European                 unit (Note 5)
                     varying etc.     relates (Note 7)               etc.
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(ii) Exercising

Product name, e.g. call option      Number of securities               Exercise price per unit (Note 5)
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(d) Other dealings (including new securities) (Note 4)

Nature of transaction (Note 8)      Details                            Price per unit (if applicable) (Note 5)
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4. OTHER INFORMATION

Agreements, arrangements or understandings relating to options or derivatives

Full details of any agreement, arrangement or understanding between the person disclosing and any other person relating
 to the voting rights of any relevant securities under any option referred to on this form or relating to the voting
 rights or future acquisition or disposal of any relevant securities to which any derivative referred to on this form is
 referenced. If none, this should be stated.
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None.
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Is a Supplemental Form 8 attached? (Note 9) YES/NO

Date of disclosure                                               January 9, 2008
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Contact name                                                     Hayley Nelson
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Telephone number                                                 (212) 698-3363
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If a connected EFM, name of offeree/offeror with which connected
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If a connected EFM, state nature of connection (Note 10)
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Notes

The Notes on Form 8.3 can be viewed on the Takeover Panel's website at
www.thetakeoverpanel.org.uk
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