Holding(s) in Company

For filings with the FSA include the   |
 annex                                  |
----------------------------------------+---------------------------------------
 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]