IMI PLC — AGM Information 2013

Apr 8, 2013

IMI plc Lakeside Solihull Parkway Birmingham Business Park Birmingham B37 7XZ

Registered in England and Wales No. 714275

8 April 2013

Dear Shareholder

Electronic shareholder documentation

I am writing to advise that the following documents are now available to view and download on the IMI plc website www.imiplc.com/investors.aspx (click on Annual Reports):

• • Annual report 2012
• • Notice of annual general meeting

The annual general meeting of IMI plc will be held at the Hilton Birmingham Metropole Hotel, National Exhibition Centre, Birmingham on Thursday 9 May 2013 commencing at 11am.

Proxy voting

If you are not able to attend the meeting and vote in person, you can appoint a proxy to attend and vote on your behalf. The resolutions to be proposed at the annual general meeting are as described on the proxy card enclosed with this letter. A proxy may be appointed by completing and posting back the enclosed prepaid proxy card or electronically through the Sharevote website by visiting www.sharevote.co.uk. To use the Sharevote service you will need your voting ID, task ID and shareholder reference number (all of which are printed on the enclosed proxy card). Full details of the procedure are given on the website. To be valid, proxy appointments must be received by delivery to Equiniti, the Company's Registrar, or made electronically through the Sharevote website, by 11am on Tuesday 7 May 2013.

If you have any questions or require support in using the Sharevote website, please call Equiniti on 0871 384 2916 (from overseas +44 121 415 7047)*. You should also contact Equiniti if you wish to change your decision on how you wish to receive shareholder documents. When contacting Equiniti you will need your shareholder reference number, which is printed on the enclosed proxy card.

Yours faithfully

Roberto Quarta Chairman IMI plc