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:

Filtronic plc

2. Reason for notification (yes/no)

An acquisition or disposal of voting rights

Yes

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

No

An event changing the breakdown of voting rights

No

Other (please specify): ______________

N/A

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

HSBC Holdings plc

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

HSBC Bank plc

HSBC Investment Management

Sinopia Asset Management (UK) Ltd

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

23 May 2008

6. Date on which issuer notified:

27 May 2008

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

6%

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

Number of voting rights

Percentage of voting rights

Direct

Indirect

Direct

Indirect

Ordinary

0003362992

4,338,399

4,338,399

4,585,579

4,585,579

613,805

6.16%

0.83%

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

N/A

N/A

N/A

N/A

N/A

Total (A+B)

Number of voting rights

Percentage of voting rights

5,199,384

6.99%

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

HSBC Bank plc

Proxy Voting:

10. Name of 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:

14. Contact name:

Frances Davies

15. Contact telephone name:

020 7991 6661