Holding(s) in Company

+------------------------------------------------------------------------------+
|TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARESi                               |
+------------------------------------------------------------------------------+

+----------------------------------------------+-------------------------------+
|1. Identity of the issuer or the underlying   |                               |
|issuer                                        |         Elementis 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                          |       |
+---------------------------------------------------------------------+--------+
|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                                   |             Schroders plc             |
|notification obligation: iii          |                                       |
+--------------------------------------+---------------------------------------+
|4. Full name of shareholder(s)        |                                       |
|(if different from 3.):iv             |                                       |
+--------------------------------------+---------------------------------------+
|5. Date of the transaction and date on|                                       |
|which the threshold is crossed or     |               06.12.10                |
|reached: v                            |                                       |
+--------------------------------------+---------------------------------------+
|6. Date on which issuer notified:     |               07.12.10                |
+--------------------------------------+---------------------------------------+
|7. Threshold(s) that is/are crossed or|               Below 10%               |
|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 possible |Number    |Number     |Number    |Number of voting |% of  voting   |
|using       |of        |of         |of shares |rights           |rights x       |
|the ISIN    |  ares    |V ting     +----------+------+----------+------+--------+
|CODE        |          |Rights     |Direct    |Direct|Indirect  |Direct|Indirect|
|            |          |           |          |xi    |xii       |      |        |
+------------+----------+-----------+----------+------+----------+------+--------+
|  Ordinary  |          |           |          |      |          |      |        |
|            |          |           |          |      |          |      |        |
|GB0002418548|64,963,261| 45,113,178|64,463,261|   N/A|44,613,178|   N/A|  9.948%|
+------------+----------+-----------+----------+------+----------+------+--------+

+--------------------------------------------------------------------------------+
|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 be|rights       |
|instrument    |          |                     |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 xvii |Conversion |rights instrument |rights xix, xx|
|instrument   |         |          |period     |refers to         |              |
|             |         |          |xviii      |                  |              |
+-------------+---------+----------+-----------+------------------+-------+------+
|             |         |          |           |                  |Nominal|Delta |
|             |         |          |           |                  +-------+------+
|             |         |          |           |                  |       |      |
+-------------+---------+----------+-----------+------------------+-------+------+

+--------------------------------------------------------------------------------+
|Total (A+B+C)                                                                   |
+------------------------------------+-------------------------------------------+
|Number of voting rights             |Percentage of voting rights                |
+------------------------------------+-------------------------------------------+
|             44,613,178             |                  9.948%                   |
|                                    |                                           |
+------------------------------------+-------------------------------------------+

+------------------------------------------------------------------------------+
|9. Chain of controlled undertakings through which the voting rights and/or the|
|financial instruments are effectively held, if applicable: xxi                |
+------------------------------------------------------------------------------+
|Schroder  Investment  Management  Limited                                     |
| 40,650,012    9.064%                                                         |
|Schroder  Investment Management  North America  Limited            3,963,166  |
| 0.884%                                                                       |
|                                                                              |
+------------------------------------------------------------------------------+
|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:                                  |                             |
+------------------------------------------------+-----------------------------+

+-----------------------------+------------------------------------------------+
|                             |The shares referred to in section 9 are held in |
|13. Additional information:  |portfolios managed by those firms on a          |
|                             |discretionary basis for clients under investment|
|                             |management agreements.                          |
+-----------------------------+------------------------------------------------+
|14. Contact name:            |                                                |
|                             |                Taryn O'Donoghue                |
+-----------------------------+------------------------------------------------+
|15. Contact telephone number:|                                                |
|                             |                 020 7658 6000                  |
+-----------------------------+------------------------------------------------+

This notification is made in accordance with Rule 5.8.12 R(1) of the Disclosure
and Transparency Rules sourcebook.

Wai Wong
Company Secretary
020 7408 9303








This announcement is distributed by Thomson Reuters on behalf of 
Thomson Reuters clients. The owner of this announcement warrants that: 
(i) the releases contained herein are protected by copyright and 
    other applicable laws; and 
(ii) they are solely responsible for the content, accuracy and 
     originality of the information contained therein. 
    
Source: Elementis PLC via Thomson Reuters ONE

[HUG#1469930]