Notification of Major Interests

For filings with the FSA include the annex

For filings with issuer exclude the annex

TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARESi

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

Micro Focus International PLC

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

An acquisition or disposal of voting rights

 X

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: iii

Ameriprise Financial, Inc. and its group

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

See additional information under 13

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

5th May 2010

6. Date on which issuer notified:

6th May 2010

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

Above the threshold of 5%

8. Notified details:

A: Voting rights attached to shares viii, ix

Class/type of shares

if possible using the 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 x

Direct

Direct xi

Indirect xii

Direct

Indirect

GB00B079W581

N/A

N/A

65,000

65,000

10,185,221

0.032%

4.965%

B: Qualifying Financial Instruments

Resulting situation after the triggering transaction

Type of financial instrument

Expiration date xiii

Exercise/ Conversion Period xiv

Number of voting rights that may be acquired if the instrument is exercised/ converted.

% of voting rights

C: Financial Instruments with similar economic effect to Qualifying Financial Instruments xv, xvi

Resulting situation after the triggering transaction

Type of financial instrument

Exercise price

Expiration date xvii

Exercise/ Conversion period xviii

Number of voting rights instrument refers to

% of voting rights xix, xx

CFD

38,436

Nominal

Delta

0.019%

Total (A+B+C)

Number of voting rights

Percentage of voting rights

10,288,657

5.016%

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

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:

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

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

13. Additional information:

Registered Owner

Littledown Nominees Ltd A/c 39364 1,019,206

The Bank of New York (Nominees) A/c 5240181 69,841

Limited

Ameriprise Financial Inc A/c 1,765,236

HSBC Global Custody Nominees 5000212310 626,770

(UK) Ltd

The Bank of New York (Nominees) A/c PTG 10972 7,863

Ltd

Merrill Lynch Nominees Limited A/c XTHRF21 38,436

Columbia Wanger Asset A/c 4,303,105

Management

Littledown Nominees Ltd A/c 05577 112,000

Littledown Nominees Ltd A/c 05576 1,215,000

Littledown Nominees Ltd A/c 07197 65,000

Littledown Nominees Ltd A/c 10479 4,900

Littledown Nominees Ltd A/c 07203 46,700

Littledown Nominees Ltd A/c 21667 13,700

Littledown Nominees Ltd A/c 34789 102,400

The Bank of New York (nominees) A/c PTG 1476 23,500

Limited

Littledown Nominees Ltd A/c 10488 225,000

Littledown Nominees Ltd A/c 10490 620,000

14. Contact name:

Stacey Dryburgh, Threadneedle group

15. Contact telephone number:

01793 363 751

Note: Annex should only be submitted to the FSA not the issuer

Annex: Notification of major interests in share

A: Identity of the persons or legal entity subject to the notification obligation

Full name

(including legal form of legal entities)

Ameriprise Financial, Inc. (a company incorporated in the State of Delaware, USA) and its group

Contact address

(registered office for legal entities)

c/o Data Management, Threadneedle Asset Management Holdings Ltd, 60 St Mary Axe, London EC3A 8JQ, UK

Phone number & email

01793 363 751

Other useful information

(at least legal representative for legal persons)

B: Identity of the notifier, if applicable

Full name

Jane Smithard (Micro Focus International plc)

Contact address

The Lawn, 22-30 Old Bath Road, Newbury, RG14 1QN

Phone number & email

+44 1635 565492

Other useful information

(e.g. functional relationship with the person or legal entity subject to the notification obligation)

Company Secretary

C: Additional information

Micro Focus International plc received this notification from Ameriprise Financial, Inc and its group and is disclosing this information in accordance with DTR 5.8.12.