Holding(s) in Company

For filings with the FSA include the annex

For filings with issuer exclude the annex 

TR-1: Notifications of Major Interests in Shares

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

UMECO PLC

2. Reason for notification (yes/no)

An acquisition or disposal of voting rights

X

An acquisition or disposal of financial instruments which may result in the acquisition of shares already issued to which voting rights are attached 

An event changing the breakdown of voting rights

Other (please specify):______________

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

AXA S.A., 25 Avenue Matignon, 75008 Paris and its group of companies

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

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

19/05/2008

6. Date on which issuer notified:

20/05/2008

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

12%

8: Notified Details INDIRECT

A: Voting rights attached to shares

Class/type of shares

If possible use ISIN code

Situation previous to the triggering transaction

Resulting situation after the triggering transaction

Number of shares

Number of voting rights

Number of shares

Number of voting rights

Percentage of voting rights

Direct

Indirect

Direct

Indirect

0911607

6,091,200

6,091,200

309,133

309,133

5,740,748

0.64

11.94

B: Financial Instruments

Resulting situation after the triggering transaction

Type of financial instrument

Expiration date

Exercise/ conversion period/date 

No. of voting rights that may be acquired (if the instrument exercised/converted)

Percentage of voting rights

Total (A+B)

Number of voting rights

Percentage of voting rights

6,049,881

12.58%

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

Name of the Company I Fund Number of Shares % of issued share capital

AXA Rosenberg 87,985 0.18297 Direct

AXA Rosenberg 812,427 1.68945 Indirect

Sun Life Unit Assurance Ltd 8,512 0.01770 FTSE All Share Tracker Direct

Sun Life Pensions Management 45,829 0.09530 ETSE All Share Tracker Direct

AXA Framlington 187,545 0.39000 SEI UK Equity Indirect

AXA Framlington 1,763,636 3.66749 Throgmorton Trust Indirect

Axa Sun Life With Profits Passive 31,316 0.06512

Direct

Axa Sun Life With Profits Passive 19,476 0.04050

Direct

AXA Framlington

EDF Energy Group 199,158 0.41415

Indirect

Total Direct 309,133 0.64284

Total Indirect 5,740,748 11.93792

TOTAL 6,049,881 12.58077

Proxy Voting:

10. Name of 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:

13. Additional information:

14 Contact name:

STEVEN BOWERS

15. Contact telephone name:

01926 331800