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:

Severfield-Rowen plc

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

An acquisition or disposal of voting rights

Yes

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):

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:

11 April 2011

6. Date on which issuer notified:

13 April 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

Ordinary Shares

GB00B27YGJ97

N/A

N/A

63,500

63,500

4,449,330

0.071%

4.997%

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

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

Nominal

Delta

Total (A+B+C)

Number of voting rights

Percentage of voting rights

4,512,830

5.068%

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

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:

Registered Owner

State Street Nominees Limited A/c XC7N 109,193

Littledown Nominees Ltd A/c ZLA01 500,000

Littledown Nominees Ltd A/c ZLA05 132,000

Littledown Nominees Ltd A/c ZLA07 1,385,000

Littledown Nominees Ltd A/c 07197 63,500

Littledown Nominees Ltd A/c 10479 2,800

Littledown Nominees Ltd A/c ZLA12 47,500

Littledown Nominees Ltd A/c ZLA14 12,800

Littledown Nominees Ltd A/c 34789 125,000

Littledown Nominees Ltd A/c 10496 341,659

Littledown Nominees Ltd A/c 10488 315,000

Littledown Nominees Ltd A/c 10495 1,000,000

Littledown Nominees Ltd A/c 10490 478,378

14 Contact name:

Stacey Dryburgh, Threadneedle Group

15. Contact telephone name:

+44(0)1793 363751