Mears Group PLC 16 October 2007 TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARES 1. Identity of the issuer or the underlying issuer of existing shares to which voting rights are attached MEARS 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 the acquisition 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: Standard Life Investments Ltd 4. Full name of shareholder(s) (if different from 3.) Vidacos Nominees 5. Date of the transaction (and date on which the threshold is crossed or reached if different): 19 July 2007 6. Date on which issuer notified: 15 October 2007 7. Threshold(s) that is/are crossed or reached: 6% 8. Notified details: A. Voting rights attached to shares Class/type of shares (if possible using the Ordinary (GB000563420) ISIN code) Situation previous to Resulting situation after the triggering transaction the triggering transaction Number of Number of Number of Number of voting % of voting rights Shares Voting shares rights Rights Direct Indirect Direct Indirect 4,659,338 4,659,338 4,093,533 3,140,237 953,296 4.314% 1.310% B. Financial Instruments Resulting situation after the triggering transaction Type of Expiration Exercise/ Number of voting % of voting financial date Conversion Period/ rights that may rights instrument Date be acquired if the instrument is exercised/ converted Total (A+B) Number of voting rights % of voting rights 4,093,533 5.624% 9. Chain of controlled undertakings through which the voting rights and/ or the financial instruments are effectively held, if applicable: Standard Life Investments Limited 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: Alison Kennedy Corporate Governance Manager - Engagement Standard Life Investments Ltd 15. Contact telephone number: (0131) 225 2289 This information is provided by RN