Holding(s) in Company

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:

Hampson Industries PLC

2. Reason for notification (please tick the appropriate box or boxes)

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): Change to shares in issue

x

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

BT Pension Scheme Trustees Limited as trustee of the BT Pension Scheme. See Section 9 for further details

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

N/A

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

26.02.2010

6. Date on which issuer notified:

01.03.2010

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

2%

8: Notified Details

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

Direct

Number of voting rights

Percentage of voting rights

Direct

Indirect

Direct

Indirect

GB00B0P8RT68

8,380,276

8,380,276

N/A

N/A

8,230,276

N/A

2.963%

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

8,230,276

2.963%

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

BT Pension Scheme Trustees Limited, as trustee of the BT Pension Scheme ("BTPS") is the parent undertaking of Britel Fund Nominees Limited and Britel Fund Trustees Limited, which is the parent undertaking of Hermes Fund Managers Limited ("HFML"). HFML is the parent undertaking of:

1. Hermes Equity Ownership Services Limited ("HEOS") (voting rights: 0.225%)*

2. Hermes Investment Management Limited ("HIML") (voting rights: 2.739%)

* This notification is also being made in respect of HEOS, which is an indirect holder of shares for the purpose of DTR 5.2.1(h). The voting rights include the following: (i) all of the voting rights of the underlying clients of HEOS for whom it provides voting services; (ii) all of the voting rights attaching to the direct shareholdings of BTPS; (iii) all of the voting rights attaching to shares managed by HIML; and (iv) the voting rights attaching to the direct shareholding of BTPS that are managed by HSL

Please see Section 13 for further information

Proxy Voting:

10. Name of proxy holder:

See comment in Section 13

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

See comment in Section 13

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

See comment in Section 13

13. Additional information:

14 Contact name:

Malcolm Dolan

15. Contact telephone number:

01384 485345