Notifiable Interest

Walker Greenbank PLC
10 August 2007


For Immediate Release                                             10 August 2007


                      WALKER GREENBANK PLC ('the Company')

                              Notifiable Interest


A form TR-1 containing the following information has been received by the
Company.

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:

WALKER GREENBANK PLC

2. Reason for the notification

GONE OVER 4% THRESHOLD

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

MERRILL LYNCH BRITISH SMALLER COMPANIES TRUST PLC

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

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

6TH JULY 2007

6. Date on which issuer notified:

7TH JULY 2007

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

4%


8. Notified details:

A: Voting rights attached to shares
+------------+-------------------+-----------------------------------------------+
|Class/type  |Situation previous |Resulting situation after the triggering       |
|of shares   |to Triggering      |transaction                                    |
|            |transaction        |                                               |
|if possible |                   |Notification required under DTR transitional   |
|using ISIN  |                   |provision 7                                    |
|CODE        +---------+---------+---------+-------------------+-----------------+
|            |Number of|Number of|Number of|Number of voting   |% of voting      |
|            |Shares   |Voting   |shares   |rights             |rights           |
|            |         |Rights   |         |                   |                 |
|            |         |         |         |                   |                 |
|            |         |         +---------+---------+---------+-------+---------+
|            |         |         |Direct   |Direct   |Indirect |Direct |Indirect |
|            |         |         |         |         |         |       |         |
|            |         |         |         |         |         |       |         |
+------------+---------+---------+---------+---------+---------+-------+---------+
|GB0003061511|1,800,000|1,800,000|2,379,000|2,379,000|N/A      |4.03%  |N/A      |
+------------+---------+---------+---------+---------+---------+-------+---------+

B: Financial Instruments
+-------------------------------------------------------------------------+
|Resulting situation after the triggering transaction                     |
|                                                                         |
|                                                                         |
+------------+-------------+-------------+-----------------+--------------+
|Type of     |Expiration   |Exercise/    |Number of voting |% of voting   |
|financial   |date         |Conversion   |rights that may  |rights        |
|instrument  |             |Period/ Date |be acquired if   |              |
|            |             |             |the instrument is|              |
|            |             |             |exercised/       |              |
|            |             |             |converted        |              |
|            |             |             |                 |              |
|            |             |             |                 |              |
+------------+-------------+-------------+-----------------+--------------+
|            |             |             |                 |              |
+------------+-------------+-------------+-----------------+--------------+

Total (A+B)
+-----------------------------------+-----------------------------------+
|Number of voting rights            |% of voting rights                 |
|                                   |                                   |
|                                   |                                   |
+-----------------------------------+-----------------------------------+
|2,379,000                          |4.03%                              |
|                                   |                                   |
|                                   |                                   |
+-----------------------------------+-----------------------------------+

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


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:

JULIAN WILSON - COMPANY SECRETARY

15. Contact telephone number:

08708 300077






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