Holding(s) in Company

Elementis PLC
24 April 2008



Elementis PLC


TR-1:               NOTIFICATION OF MAJOR INTERESTS IN SHARES

1. Identity of the issuer or the underlying issuer of existing
shares to which voting rights are attached:

Elementis plc

2. Reason for the notification

An acquisition or disposal of voting rights

3. Full name of person(s) subject to the notification obligation:

Prudential plc group of companies

4. Full name of shareholder(s) (if different from 3):

See attached schedule below

5. Date of the transaction (and date on which the threshold is
crossed or reached if different):

22 April 2008

6. Date on which issuer notified:

24 April 2008

7. Threshold(s) that is/are crossed or reached:

See item 13

8. Notified details:

A: Voting rights attached to shares

Class/type of shares if possible using the ISIN CODE

GB0002418548

Situation previous to the Resulting situation after the triggering transaction

Number of shares                                         24,086,326

Number of Voting Rights                                  24,086,326

Resulting situation after the triggering transaction

Number of shares                                         25,886,326

Number of voting rights   Direct                         25,886,326

Number of voting rights   Indirect

% of voting rights     Direct                      5.79%
% of voting rights     Indirect

B: Financial Instruments

Resulting situation after the triggering transaction

Type of financial instrument - N/A

Expiration date - N/A

Exercise/ Conversion Period/ Date - N/A

Number of voting rights that may be acquired if the instrument is
exercised/ converted.

N/A

% of voting rights - N/A

Total (A+B)

Number of voting rights           25,886,326

% of voting rights                     5.79%

9. Chain of controlled undertakings through which the voting rights
and/or the financial instruments are effectively held, if applicable:

Prudential plc (parent Company)
M&G Group Limited (wholly owned subsidiary of Prudential plc)
M&G Limited (wholly owned subsidiary of M&G Group Limited)
M&G Investment Management Limited (wholly owned subsidiary of M&G Limited)
M&G Securities Limited (wholly owned subsidiary of M&G Limited)
The Prudential Assurance Company Limited (wholly owned subsidiary of 
Prudential plc)

Proxy Voting:

10. Name of the proxy holder:   N/A

11. Number of voting rights proxy holder will cease to hold: N/A

12. Date on which proxy holder will cease to hold voting rights: N/A

13. Additional information: M&G Group Limited (wholly owned subsidiary of 
Prudential plc), M&G Limited (wholly owned subsidiary of M&G Group Limited)
and M&G Investment Management Limited (wholly owned subsidiary of M&G Limited)
have moved to a 5% notifiable interest triggering this notification.

14. Contact name:                       Dipesh Varsani
                                        M&G Investment Management Limited
15. Contact telephone number:           020 7548 3261


Schedule:

Notifiable position for Elementis plc as at 22 April 2008.

Percentage holdings are calculated using an issued share capital 
of 446,546,769 ORD GBP0.05 shares

Prudential plc                                    25,886,326      5.79% total
                                                                  notifiable 
                                                                  interest
               Registered Holder
               JP MORGAN NOMINEES                                  2,830,205
               NORTRUST NOMINEE LTD A/C MHA01                      1,500,000
               NORTRUST NOMINEE LTD A/C MHF01                        102,217
               NORTRUST NOMINEE LTD A/C MKD01                      5,000,000
               NORTRUST NOMINEE LTD A/C MKM01                      2,000,000
               NORTRUST NOMS LTD                                      80,000
               NORTRUST NOMS LTD A/C CRI01                         3,000,000
               NORTRUST NOMS LTD A/C PUQ01                         2,200,000
               PRUCLT HSBC GIS NOM(UK) PAC AC                      7,870,000
               PRUCLT HSBC GIS NOM(UK) PPL AC                      1,303,904

M&G Group Limited                                 23,056,121       5.16%

               Registered Holder
               NORTRUST NOMINEE LTD A/C MHA01                      1,500,000
               NORTRUST NOMINEE LTD A/C MHF01                        102,217
               NORTRUST NOMINEE LTD A/C MKD01                      5,000,000
               NORTRUST NOMINEE LTD A/C MKM01                      2,000,000
               NORTRUST NOMS LTD                                      80,000
               NORTRUST NOMS LTD A/C CRI01                         3,000,000
               NORTRUST NOMS LTD A/C PUQ01                         2,200,000
               PRUCLT HSBC GIS NOM(UK) PAC AC                      7,870,000
               PRUCLT HSBC GIS NOM(UK) PPL AC                      1,303,904

M&G Investment Management Limited                 22,953,904       5.14%

               Registered Holder
               NORTRUST NOMINEE LTD A/C MHA01                      1,500,000
               NORTRUST NOMINEE LTD A/C MKD01                      5,000,000
               NORTRUST NOMINEE LTD A/C MKM01                      2,000,000
               NORTRUST NOMS LTD                                      80,000
               NORTRUST NOMS LTD A/C CRI01                         3,000,000
               NORTRUST NOMS LTD A/C PUQ01                         2,200,000
               PRUCLT HSBC GIS NOM(UK) PAC AC                      7,870,000
               PRUCLT HSBC GIS NOM(UK) PPL AC                      1,303,904

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



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