Blocklisting Interim Review

SCHEDULE 5BLOCKLISTING SIX MONTHLY RETURN

1. Name of companyDERWENT LONDON PLC2. Name of schemeGROUP SHARE OPTION SCHEME3. Period of return:

From 20/11/2010 to 20/05/20114. Number and class of shares(s) (amount of stock/debt security) not issued under scheme 385,837 5p ORDINARY SHARES

5. Number of shares issued/allotted under scheme during periodNil 5p SHARES

6. Balance under scheme not yet issued/allotted at end of period385,837 5p SHARES

7. Number and class of share(s) (amount of stock/debt securities) originally listed and the date of admission

625,000 5p ORDINARY SHARES

DATE: MAY 20, 2009

Please confirm total number of shares in issue at the end of the periodin order for us to update our records

101,200,297

Contact for queries:

Name: Mr T.J. KITE

Address:

25 SAVILE ROW, LONDON W1S 2ER

Telephone: 020 7659 3000