Holding(s) in Company

RNS Number:0258N
Derwent London PLC
31 January 2008

TR-1: NOTIFICATION OF MAJOR INTERESTS IN SHARES

1. Identity of the issuer or the underlying issuer of existing shares to which
voting rights are attached:

DERWENT LONDON PLC

2. Reason for the notification (please place an X inside the appropriate bracket
/s):

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 (please specify) : ( )

3. Full name of person(s) subject to the notification obligation:

COHEN & STEERS INC

4. Full name of shareholder(s) (if different from 3.) :

COHEN & STEERS INC ("CSI")

COHEN & STEERS CAPITAL MANAGEMENT INC ("CSCM")

COHEN & STEERS EUROPE SA ("CSE")

5. Date of the transaction (and date on which the threshold is crossed or
reached if different):

29TH JANUARY 2008

6. Date on which issuer notified:

30TH JANUARY 2008

7. Threshold(s) that is/are crossed or reached:

8. Notified details:

A: Voting rights attached to shares

Class/type of shares if possible Situation previous to the Triggering transaction
using the ISIN CODE
Number of shares Number of voting Rights

ORD GBP0.05 10,219,925 10,219,925

Resulting situation after the triggering transaction

Class/type of shares if Number of shares Number of voting rights % of voting rights
possible using the ISIN CODE
Direct Direct Indirect Direct Indirect

5p ordinary shares 10,019,925 9.950%

ISIN: GB0002652740

B: Financial Instruments

Resulting situation after the triggering transaction

Type of Expiration Date Exercise/Conversion Number of voting rights % of voting rights
financial Period/ Date that may be acquired if the
instrument instrument is exercised/
converted.

Total (A+B)
Number of voting rights % of voting rights

10,019,925 9.950%

9. Chain of controlled undertakings through which the voting rights and/or the
financial instruments are effectively held, if applicable :

CSE is the controlled undertaking of CSI and holds
473,866 voting rights. This is an indirect holding of
less than 3%

CSCM is the controlled undertaking of CSI and holds
9,546,059 voting rights. This is an indirect holding
of more than 5%

Proxy Voting:

10. Name of the proxy holder: N/A

11. Number of voting rights proxy holder will cease to hold: N/A

12. Date on which proxy holder will cease to hold voting rights: N/A

13. Additional information

14. Contact name:

T.J. KITE