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 |      (SEDOL 0241854)          |
|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      |   X    |
|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                                   |  Cazenove Capital Management Limited  |
|notification obligation: iii          |                                       |
+--------------------------------------+---------------------------------------+
|4. Full name of shareholder(s)        |                  N/A                  |
|(if different from 3.):iv             |                                       |
+--------------------------------------+---------------------------------------+
|5. Date of the transaction and date on|                                       |
|which the threshold is crossed or     |               19/07/10                |
|reached: v                            |                                       |
+--------------------------------------+---------------------------------------+
|6. Date on which issuer notified:     |               20/07/10                |
+--------------------------------------+---------------------------------------+
|7. Threshold(s) that is/are crossed or|                  5%                   |
|reached: vi, vii                      |                                       |
+--------------------------------------+---------------------------------------+

+---------------------------------------------------------------------------------+
|8. Notified details:                                                             |
+---------------------------------------------------------------------------------+
|A: Voting rights attached to shares viii, ix                                     |
+-------------+----------------------+--------------------------------------------+
|Class/type of|Situation previous    |Resulting situation after the triggering    |
|shares       |to the triggering     |transaction                                 |
|             |transaction           |                                            |
|if possible  +----------+-----------+----------+-----------------+---------------+
|using        |Number    |Number     |Number    |Number of voting |% of  voting   |
|the ISIN CODE|of        |of         |of shares |rights           |rights x       |
|             |  ares    |V ting     +----------+------+----------+------+--------+
|             |          |Rights     |Direct    |Direct|Indirect  |Direct|Indirect|
|             |          |           |          |xi    |xii       |      |        |
+-------------+----------+-----------+----------+------+----------+------+--------+
|Ord GBP0.05  |          |           |          |      |          |      |        |
|(ISIN        |          |           |          |      |          |      |        |
|GB0002418548)|10,610,637|10,610,637 |10,610,637|      |10,610,637|      |2.37%   |
|             |          |           |          |      |          |      |        |
|             |          |           |          |      |          |      |        |
+-------------+----------+-----------+----------+------+----------+------+--------+

+---------------------------------------------------------------------------------+
|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.        |             |
+---------------+----------+---------------------+------------------+-------------+
|N/A            |N/A       |N/A                  |N/A               |N/A          |
+---------------+----------+---------------------+------------------+-------------+

+---------------------------------------------------------------------------------+
|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 |
|CFD           |N/A      |N/A       |N/A        |11,560,526        +-------+------+
|              |         |          |           |                  |2.58   |N/A   |
+--------------+---------+----------+-----------+------------------+-------+------+

+---------------------------------------------------------------------------------+
|Total (A+B+C)                                                                    |
+-------------------------------------+-------------------------------------------+
|Number of voting rights              |Percentage of voting rights                |
+-------------------------------------+-------------------------------------------+
|22,171,163                           |4.95%                                      |
+-------------------------------------+-------------------------------------------+

+--------------------------------------------------------------------------+
|9. Chain of controlled undertakings through which the voting rights and/or|
|the                                                                       |
|financial instruments are effectively held, if applicable: xxi            |
+--------------------------------------------------------------------------+
|N/A                                                                       |
+--------------------------------------------------------------------------+
|Proxy Voting:                                                             |
+-------------------------------------------------+------------------------+
|10. Name of the proxy holder:                    |          N/A           |
+-------------------------------------------------+------------------------+
|11. Number of voting rights proxy holder will    |                        |
|cease                                            |          N/A           |
|to hold:                                         |                        |
+-------------------------------------------------+------------------------+
|12. Date on which proxy holder will cease to hold|          N/A           |
|voting rights:                                   |                        |
+-------------------------------------------------+------------------------+

+-----------------------------+--------------------------------------------+
|                             |                                            |
|13. Additional information:  |                    N/A                     |
+-----------------------------+--------------------------------------------+
|14. Contact name:            |                    N/A                     |
+-----------------------------+--------------------------------------------+
|15. Contact telephone number:|                    N/A                     |
+-----------------------------+--------------------------------------------+

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



[HUG#1432777]








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Source: Elementis PLC via Thomson Reuters ONE