Director/PDMR Shareholding

Elementis plc - Director/PDMR shareholding

The Company announces that, under the rules of the Elementis U.S.
Sharesave Plan (2008), the following grants of savings-related
options (for nil consideration) were made on 27 August 2008 at an
exercise price of 72.25 pence per Ordinary Share:

+-------------------------------------------------------------------+
| Director (1) or PDMR (2) | Number of options granted over         |
|                          | Ordinary Shares of 5 pence each        |
|--------------------------+----------------------------------------|
| David Dutro (1)          | 1,850                                  |
|--------------------------+----------------------------------------|
| Eric Haaijer (2)         | 1,850                                  |
|--------------------------+----------------------------------------|
| Greg McClatchy (2)       | 1,850                                  |
+-------------------------------------------------------------------+


The options can be exercised between 27 August 2010 and 26 November
2010.

Including the above grants, the total number of executive and
savings-based options held over shares by these individuals are as
follows:


+-------------------------------------------------------------------+
| Director or PDMR | Number of options held over Ordinary Shares of |
|                  | 5 pence each after this notification           |
|------------------+------------------------------------------------|
| David Dutro      | 1,110,438                                      |
|------------------+------------------------------------------------|
| Eric Haaijer     | 91,810                                         |
|------------------+------------------------------------------------|
| Greg McClatchy   | 865,730                                        |
+-------------------------------------------------------------------+


In addition to the above holdings of options, these individuals also
hold options over shares under the Elementis Long Term Incentive Plan
as follows:


+-------------------------------------------------------------------+
| Director or PDMR | Number of options held over Ordinary Shares of |
|                  | 5 pence each                                   |
|------------------+------------------------------------------------|
| David Dutro      | 25% share of the LTIP pool [1]                 |
|------------------+------------------------------------------------|
| Eric Haaijer     | 12% share of the LTIP pool [1]                 |
|------------------+------------------------------------------------|
| Greg McClatchy   | 20% share of the LTIP pool [1]                 |
+-------------------------------------------------------------------+


[1] The LTIP pool is calculated as 2.15% of the net increase in value
of the Company (defined as market capitalisation plus dividends paid
or declared) during the three year performance period, after
deduction of 31% (representing the cost of equity over the three year
period).

These notifications are made in accordance with Disclosure and
Transparency Rule 3.1.4R(1)(a) of the Disclosure and Transparency
Rules sourcebook and concern the beneficial interests of the
individuals named above and not any of their connected persons.

Wai Wong
Company Secretary
020 7408 9303

29 August 2008

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