Holding in Company

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:

Grafton Group plc

2

Reason for the notification (please place an X inside the appropriate box):

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:

Invesco Limited

4

Full name of shareholders(s) (if different from 3):

N/A

5

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

10 September 2008

6

Date on which issuer notified:

11 September 2008. (Notification received by issuer 15 September 2008).

7

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

3%

8

Notified Details:

A: Voting Rights attached to shares

Class/type of shares (if possible using 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 

% of Voting Rights

Direct

Direct

Indirect

Direct

Indirect

Grafton Grp plc

IE00B00MZ48

6,694,420

6,694,420

6,924,420

6,924,420

3.00%

SUBTOTAL

A (based on aggregate voting rights)

6,694,420

6,694,420

6,924,420

6,924,420

3.00%

B: Financial Instruments

Resulting situation after the triggering transaction

Type of financial instrument

Expiration date

Exercise/Conversion period

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

% of voting rights

N/A

TOTAL (A + B)

Number of voting rights

% of voting rights

6,924,420

3.00%

9

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

Invesco AIM Funds Management Inc  6,218,532

Invesco AIM Advisors & Invesco AIM Funds Management Inc  693,200

Invesco PowerShares Capital Management Ireland  7,414

Invesco PowerShares Capital Management LLC  5,274

Proxy Voting

10

Name of proxy holder

N/A

11

No 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

Done at London, 10 September 2008

14

Contact name

Noel Moynihan, Head of Compliance, Invesco Limited

15

Contact telephone number

0035314398000