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     |               24.09.10                |
|reached: v                            |                                       |
+--------------------------------------+---------------------------------------+
|6. Date on which issuer notified:     |               27.09.10                |
+--------------------------------------+---------------------------------------+
|7. Threshold(s) that is/are crossed or|               Above 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  |          |           |          |      |          |      |        |
|            |61,386,936|43,536,853 |62,924,551| N/A  |45,074,468| N/A  |10.057% |
|GB0002418548|          |           |          |      |          |      |        |
+------------+----------+-----------+----------+------+----------+------+--------+

+--------------------------------------------------------------------------------+
|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                |
+------------------------------------+-------------------------------------------+
|             45,074,468             |                  10.057%                  |
+------------------------------------+-------------------------------------------+

+------------------------------------------------------------------------------+
|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                                     |
| 41,111,302    9.172%                                                         |
|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:            |                                                |
|                             |                 Chris Melrose                  |
+-----------------------------+------------------------------------------------+
|15. Contact telephone number:|                                                |
|                             |                 020 7658 6000                  |
+-----------------------------+------------------------------------------------+



[HUG#1447317]








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Source: Elementis PLC via Thomson Reuters ONE