Holding(s) in Company

TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARES

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

Headlam Group plc

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

An acquisition or disposal of voting rights

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

An acquisition or disposal of instruments with similar economic effect to qualifying financial instruments

An event changing the breakdown of voting rights

Other (please specify):

Take on of a new client

X

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

Ameriprise Financial, Inc and its group

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

See additional information under 13.

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

01/11/2011

6. Date on which issuer notified:

02/11/2011

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

Above the threshold of 5%

8. Notified details:

A: Voting rights attached to shares

Class/type ofshares

if possible usingthe ISIN CODE

Situation previousto the triggeringtransaction

Resulting situation after the triggering transaction

NumberofShares

NumberofVotingRights

Numberof shares

Number of votingrights

% of voting rights

Direct

Direct

Indirect

Direct

Indirect

Ord 5p Shares

n/a

n/a

106,643 106,643 6,944,672 0.128% 8.355%

GB0004170089

B: Qualifying Financial Instruments

Resulting situation after the triggering transaction

Type of financialinstrument

Expirationdate

Exercise/ConversionPeriod

Number of votingrights that may beacquired if theinstrument isexercised/ converted.

% of votingrights

n/a

n/a

n/a

n/a

n/a

C: Financial Instruments with similar economic effect to Qualifying Financial Instruments

Resulting situation after the triggering transaction

Type of financialinstrument

Exerciseprice

Expirationdate

Exercise/Conversionperiod

Number of votingrights instrumentrefers to

% of voting rights

 n/a

 n/a

 n/a

 n/a

 n/a

Nominal

Delta

 n/a

 n/a

Total (A+B+C)

Number of voting rights

Percentage of voting rights

7,031,315 8.483%

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

Ameriprise Financial, Inc., which through intermediate holding companies controls the voting rights of Columbia Management Investment Advisers, Columbia Wanger Asset Management, Threadneedle Management Luxembourg S.A. and Threadneedle Asset Management Holdings Ltd, which itself controls the voting rights of Threadneedle Asset Management Ltd, Threadneedle International Ltd and Threadneedle Pensions Ltd.

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:

Registered Owner

HSBC Global Custody Nominee (UK)

Limited a/c 683182 570,870

HSBC Global Custody Nominee (UK)

Limited a/c 740190 376,657

HSBC Global Custody Nominee (UK)

Limited a/c 739874 1,973,816

HSBC Global Custody Nominee (UK)

Limited a/c 740311 256,204

Littledown Nominees Ltd A/c ZLA05 52,500

Littledown Nominees Ltd A/c ZLA07 600,000

Littledown Nominees Ltd A/c 27642 74,643

Littledown Nominees Ltd A/c 07197 32,000

Littledown Nominees Ltd A/c 10479 3,300

Littledown Nominees Ltd A/c 34789 46,000

Littledown Nominees Ltd A/c 10491 2,865,325

Littledown Nominees Ltd A/c 10488 200,000

14. Contact name:

15. Contact telephone number: