Holding(s) in Company

Renishaw PLC 12 October 2007 Form TR-1 with annex. FSA Version 2.1 updated April 2007 For filings with the FSA include the annex For filings with issuer exclude the annex TR-1: Notifications of Major Interests in Shares 1. Identity of the issuer or the underlying Renishaw plc issuer of existing shares to which voting rights -------------------- are attached: ------------------------------ 2. Reason for notification (yes/no) ------------------------------------------------ -------- 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):_Acquisition of voting rights as a result of X proxy votes given to the Chairman at the EGM on 12 October 2007 -------- ------------------------------------------ 3. Full name of person(s) subject to Allen Christopher George Roberts notification obligation: ------------------------ -------------------------- 4. Full name of shareholder(s) (if different from 3): ------------------------ -------------------------- 5. Date of transaction (and date on 11 October 2007 which the threshold is crossed or ------------------------ reached if different): -------------------------- 6. Date on which issuer notified: 11 October 2007 -------------------------- ------------------------ 7. Threshold(s) that is/are crossed or reached: 45% -------------------------- ------------------------ 8: Notified Details A: Voting rights attached to shares Class/ Situation Resulting situation after the triggering transaction type of previous to the shares triggering transaction If possible Number Number Number of Number of voting rights Percentage of use ISIN of of shares voting rights code shares voting rights Direct Indirect Direct Indirect Ordinary 5,165 5,165 33,195,802 33,195,802 33,195,802 45.6 45.6 20p B: Financial Instruments Resulting situation after the triggering transaction Type of Expiration Exercise/ No. of voting Percentage of financial date conversion rights that may voting rights instrument period/date be acquired (if the instrument exercised/ converted) Total (A+B) Number of voting rights Percentage of voting rights 33,195,802 45.6 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: Allen Christopher George Roberts 11. Number of voting rights proxy holder will cease to hold: 33,190,637 12. Date on which proxy holder will After the EGM convened on 12 October cease to hold voting rights: 2007 13. Additional information: 14 Contact name: Norma Tang 15. Contact telephone number: 01453 524482 For notes on how to complete form TR-1 please see the FSA website. This information is provided by RNS The company news service from the London Stock Exchange

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Renishaw (RSW)
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