Holding(s) in Company

 
TIDMVP. 
 
For filings with the FSA include the   | 
 annex                                  | 
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 For filings with issuer exclude the    | 
 annex                                  | 
=---------------------------------------+--------------------------------------- 
 
+------------------------------------------------------------------------------+ 
|TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARES(i)                             | 
+---------------------------------------------+--------------------------------+ 
                                              | 
+---------------------------------------------+--------------------------------+ 
|1. Identity of the issuer or the underlying  |                                | 
|issuer                                       |                          Vp plc| 
|of existing shares to which voting rights are|                                | 
|attached:(ii)                                |                                | 
+---------------------------------------------+--------------------------------+ 
|2 Reason for the notification (please tick the appropriate box or boxes):     | 
+----------------------------------------------------------------------+-------+ 
|An acquisition or disposal of voting rights                           |  Yes  | 
+----------------------------------------------------------------------+-------+ 
|An acquisition or disposal of qualifying financial instruments which  |       | 
|may result in the acquisition of shares already issued to which voting|       | 
|rights are attached                                                   |       | 
+----------------------------------------------------------------------+-------+ 
|An acquisition or disposal of instruments with similar economic effect|       | 
|to qualifying financial instruments                                   |       | 
+----------------------------------------------------------------------+-------+ 
|An event changing the breakdown of voting rights                      |       | 
+-----------------------+----------------------------------------------+-------+ 
|Other (please specify):|                                              |       | 
+-----------------------+--------------+-------------------------------+-------+ 
|3. Full name of person(s) subject to  |                                       | 
|the                                   |                      Vp Employee Trust| 
|notification obligation:(iii)         |                                       | 
+--------------------------------------+---------------------------------------+ 
|4. Full name of shareholder(s)        |            Vibroplant Trustees Limited| 
| (if different from 3.):(iv)          |                                       | 
+--------------------------------------+---------------------------------------+ 
|5. Date of the transaction and date on|                                       | 
|which the threshold is crossed or     |                           8 April 2010| 
|reached: v                            |                                       | 
+--------------------------------------+---------------------------------------+ 
|6. Date on which issuer notified:     |                           9 April 2010| 
+--------------------------------------+---------------------------------------+ 
|7. Threshold(s) that is/are crossed or|                                     7%| 
|reached:(vi, vii)                     |                                       | 
+--------------------------------------+---------------------------------------+ 
 
 
+------------------------------------------------------------------------------+ 
|8. Notified details:                                                          | 
+------------------------------------------------------------------------------+ 
|A: Voting rights attached to shares (viii, ix)                                | 
+----------+---------------------+---------------------------------------------+ 
|Class/type|Situation previous   |Resulting situation after the triggering     | 
|of        |to the triggering    |transaction                                  | 
|shares    |transaction          |                                             | 
|          +---------+-----------+------------+----------------+---------------+ 
|if        |Number   |Number     |Number      |Number of voting|% of  voting   | 
|possible  |of       |of         |of shares   |rights          |rights (x)     | 
|using     |  ares   |Vo ing     +------------+------+---------+------+--------+ 
|the ISIN  |         |Rights     |Direct      |Direct|Indirect |Direct|Indirect| 
|CODE      |         |           |            |(xi)  |(xii)    |      |        | 
+----------+---------+-----------+------------+------+---------+------+--------+ 
|Ordinary  |         |           |            |      |         |      |        | 
|Shares    |3,072,782|3,072,782  |3,172,782   |0     |3,172,782|0     |7.055   | 
+----------+         |           |            |      |         |      |        | 
|          |         |           |            |      |         |      |        | 
+----------+---------+-----------+------------+------+---------+------+--------+ 
 
+------------------------------------------------------------------------------+ 
|B: Qualifying Financial Instruments                                           | 
+------------------------------------------------------------------------------+ 
|Resulting situation after the triggering transaction                          | 
+------------+----------+----------------------+-----------------+-------------+ 
|Type of     |Expiration|Exercise/             |Number of voting |% of voting  | 
|financial   |date(xiii)|Conversion Period(xiv)|rights that may  |rights       | 
|instrument  |          |                      |be               |             | 
|            |          |                      |acquired if the  |             | 
|            |          |                      |instrument is    |             | 
|            |          |                      |exercised/       |             | 
|            |          |                      |converted.       |             | 
+------------+----------+----------------------+-----------------+-------------+ 
|            |          |                      |                 |             | 
+------------+----------+----------------------+-----------------+-------------+ 
 
+------------------------------------------------------------------------------+ 
|C: Financial Instruments with similar economic effect to Qualifying Financial | 
|Instruments (xv, xvi)                                                         | 
+------------------------------------------------------------------------------+ 
|Resulting situation after the triggering transaction                          | 
+-----------+--------+----------+-------------+-----------------+--------------+ 
|Type of    |Exercise|Expiration|Exercise/    |Number of voting |% of voting   | 
|financial  |price   |date      |Conversion   |rights instrument|rights (xix,  | 
|instrument |        |(xvii)    |period(xviii)|refers to        |xx)           | 
|           |        |          |             |                 |              | 
+-----------+--------+----------+-------------+-----------------+-------+------+ 
|           |        |          |             |                 |Nominal|Delta | 
|           |        |          |             |                 +-------+------+ 
|           |        |          |             |                 |       |      | 
+-----------+--------+----------+-------------+-----------------+-------+------+ 
 
+------------------------------------------------------------------------------+ 
|Total (A+B+C)                                                                 | 
+---------------------------------+--------------------------------------------+ 
|Number of voting rights          |Percentage of voting rights                 | 
+---------------------------------+--------------------------------------------+ 
|3,172,782                        |7.055%                                      | 
+---------------------------------+--------------------------------------------+ 
 
 
+------------------------------------------------------------------------------+ 
|9. Chain of controlled undertakings through which the voting rights and/or the| 
|financial instruments are effectively held, if applicable:(xxi)               | 
+------------------------------------------------------------------------------+ 
|                                                                              | 
|The Shares are registered in the name of Vibroplant Trustees Limited on behalf| 
|of the Vp Employee Trust.                                                     | 
+------------------------------------------------------------------------------+ 
 
+------------------------------------------------------------------------------+ 
|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:            |                                     N J Rabbage| 
+-----------------------------+------------------------------------------------+ 
|15. Contact telephone number:|                                    01423 533400| 
+-----------------------------+------------------------------------------------+ 
 
 
[HUG#1402713]