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 in repect of the annual general -------- meeting to be held on 12 October 2007 ------------------------------------------ 3. Full name of person(s) subject to David Roberts McMurtry 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 83% reached: ------------------------ -------------------------- 8: Notified Details A: Voting rights attached to shares Class/ Situation previous to the Resulting situation after the triggering transaction type of triggering transaction shares If possible Number of Number of Number of Number of voting rights Percentage of use ISIN shares voting shares voting rights code rights Direct Indirect Direct Indirect Ordinary 26,376,469 26,376,469 60,531,114 60,531,114 60,531,114 83.16 83.16 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 60,531,114 83.16 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: David Roberts McMurtry 11. Number of voting rights proxy holder will cease to hold: 34,154,645 12. Date on which proxy holder will 12 October 2007 cease to hold voting rights: 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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