2nd Aug 2007 16:53
Opsec Security Group PLC02 August 2007 TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARES 1. Identity of the issuer or the underlying issuer of existing shares to whichvoting rights are attached Opsec Security Group plc 2. Reason for the notification (please tick the appropriate box or boxes) An acquisition or disposal of voting rights (x) An acquisition or disposal of financial instruments which may result in theacquisition of shares already issued to which voting rights are attached ( ) An event changing the breakdown of voting rights ( ) Other (specify): 3. Full name of person(s) subject to the notification obligation: Royal Bank of Scotland Plc as Trustee of the Merrill Lynch UK Smaller CompaniesFund 4. Full name of shareholder(s) (if different from 3.) 5. Date of the transaction (and date on which the threshold is crossed orreached if different): 27/07/2007 6. Date on which issuer notified: 31/07/2007 7. Threshold(s) that is/are crossed or reached: Gone above 3% 8. Notified details: A. Voting rights attached to shares Class/type of shares (if possible using the ISIN code) GB000462191 Situation previous to the Resulting situation after the triggering transactiontriggering transactionNumber of Number of Number of Number of voting rights % of voting rights Voting Rights sharesShares Direct Direct Indirect Direct Indirect N/A N/A 1,692,489 1,692,489 N/A 3.17% N/A B. Financial Instruments Resulting situation after the triggering transaction Type of financial Expiration date Exercise/ Conversion Number of voting % of voting rightsinstrument Period/Date rights that may be acquired if the instrument is exercised/ converted Total (A+B) Number of voting rights % of voting rights1,692,489 3.17% 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 the proxy holder: 11. Number of voting rights proxy holder will cease to hold: 12. Date on which proxy holder will cease to hold voting rights: 13. Additional information: 14: Contact name: 15. Contact telephone number: This information is provided by RNS The company news service from the London Stock ExchangeRelated Shares:
OSG.L