Holding(s) in Company

Elementis PLC
19 December 2007



TR-1: notification of major interests in shares

+---------------------------------------------+-------------------------------+
|1. Identity of the issuer or the underlying  |         Elementis PLC         |
|issuer of existing shares to which voting    |                               |
|rights are attached:                         |                               |
+---------------------------------------------+-------------------------------+
|2. Reason for notification (yes/no)                                          |
+-----------------------------------------------------------------+-----------+
|An acquisition or disposal of voting rights                      |Yes        |
+-----------------------------------------------------------------+-----------+
|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     |   Legal & General Group Plc   |
|notification obligation:                     |            (Group)            |
|                                             |                               |
|                                             |  Legal & General Investment   |
|                                             |   Management Limited (LGIM)   |
|                                             |                               |
|                                             |Legal & General Group Plc (L&G)|
+---------------------------------------------+-------------------------------+
|4. Full name of shareholder(s) (if different |   Legal & General Assurance   |
|from 3.):                                    | (Pensions Management) Limited |
|                                             |             (PMC)             |
+---------------------------------------------+-------------------------------+
|5. Date of the transaction (and date on which|           12/12/07            |
|the threshold is crossed or reached if       |                               |
|different):                                  |                               |
+---------------------------------------------+-------------------------------+
|6. Date on which issuer notified:            |           18/12/07            |
+---------------------------------------------+-------------------------------+
|7. Threshold(s) that is/are crossed or       |       Above 5% (Group)        |
|reached:                                     |                               |
|                                             |        Above 5% (LGIM)        |
|                                             |                               |
|                                             |      From 4% - 5% (L&G)       |
+---------------------------------------------+-------------------+-----------+
+---------------------------------------------+-------------------+-----------+

+-----------------------------------------------------------------------------+
|8. Notified details:                                                         |
+-----------------------------------------------------------------------------+

+-----------------------------------------------------------------------------------+
|A: Voting rights attached to shares                                                |
+--------+---------------------+----------------------------------------------------+
|Class/  |Situation previous to|Resulting situation after the triggering 
                                transaction|
|type of |the Triggering       |                                                    |
|shares  |transaction          |                                                    |
|        |                     |                                                    |
|if      +----------+----------+----------+--------------------+--------------------+
|possible|Number of |Number of |Number of |Number of voting    |% of voting 
                                                                rights  |
|using   |Shares    |Voting    |shares    |rights              |                    |
|the ISIN|          |Rights    |          |                    |                    |
|CODE    |          |          +----------+----------+---------+---------+----------+
|        |          |          |Direct    |Direct    |Indirect |Direct   |Indirect  |
|        |          |          |          |          |         |         |          |
+--------+----------+----------+----------+----------+---------+---------+----------+
|Ord 5p  |      BELOW 5 %      |22,560,314|22,560,314|1,297,110|5.05     |0.29      |
|        |                     |          |          |         |         |          |
|        |       (LGIM)        |          |          |         |         |          |
|        +----------+----------+          |          |         |         |          |
|        |18,208,164|18,208,164|          |          |         |         |          |
|        |(L&G)     |(L&G)     |          |          |         |         |          |
+--------+----------+----------+----------+----------+---------+---------+----------+

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

+-----------------------------------------------------------------------------+
|Total (A+B)                                                                  |
+-------------------------------------+---------------------------------------+
|Number of voting rights              |% of voting rights                     |
+-------------------------------------+---------------------------------------+
|             23,857,424              |                 5.34                  |
+-------------------------------------+---------------------------------------+





+-----------------------------------------------------------------------------+
|9. Chain of controlled undertakings through which the voting rights and/or   |
|the financial instruments are effectively held, if applicable:               |
+-----------------------------------------------------------------------------+
|Legal & General Group Plc (Direct and Indirect)                              |
|(Group) (23,857,424 - 5.34% = Total Position)                                |
|Legal & General Investment Management (Holdings)                             |
|Limited (LGIMH) (Direct and Indirect) (23,857,424                            |
|- 5.34% = Total Position)                                                    |
|Legal & General Investment Management Limited                                |
|(Indirect) (LGIM) (23,857,424 - 5.34% = Total                                |
|Position)                                                                    |
| Legal & General Group Plc (Direct) (L&G) (22,560,314 - 5.05% = LGAS, LGPL & |
|                                    PMC)                                     |
|Legal & General Investment Management   Legal & General Insurance Holdings   |
|(Holdings) Limited (Direct) (LGIMHD)    Limited (Direct) (LGIH)              |
|(20,409,471-4.57%=PMC)                                                       |
|Legal & General Assurance (Pensions     Legal & General Assurance Society    |
|Management) Limited (PMC)               Limited (LGAS & LGPL)                |
|(20,409,471-4.57%=PMC)                                                       |
|                                        Legal & General Pensions Limited     |
|                                        (Direct) (LGPL)                      |
+-----------------------------------------------------------------------------+

+-----------------------------------------------------------------------------+
|Proxy Voting:                                                                |
+------------------------------------------------+----------------------------+
|10. Name of the proxy holder:                   |            N/A             |
+------------------------------------------------+----------------------------+
|11. Number of voting rights proxy holder will   |            N/A             |
|cease to hold:                                  |                            |
+------------------------------------------------+----------------------------+
|12. Date on which proxy holder will cease to    |            N/A             |
|hold voting rights:                             |                            |
+------------------------------------------------+----------------------------+

+--------------------------------+--------------------------------------------+
|  13. Additional information:   | Notification using the total voting rights |
|                                |           figure of 446,409,414            |
|                                |                                            |
|                                |   Please note this notification has been   |
|                                |     delayed due to the large number of     |
|                                |disclosures required following a substantial|
|                                |amount of new business which has come to us |
|                                |   in the form of an in-specie transfer.    |
+--------------------------------+--------------------------------------------+
|14. Contact name:               |             Helen Lewis (LGIM)             |
+--------------------------------+--------------------------------------------+
|15. Contact telephone number:   |               020 3124 3851                |
+--------------------------------+--------------------------------------------+

Wai Wong
Company Secretary
Elementis plc
020 7408 9303


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