Euromoney - Holding(s) in Company

For filings with the FSA include the annex

For filings with issuer exclude the annex

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:

EUROMONEY INSTITUTIONAL INVESTOR 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):

NO

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

DAILY MAIL AND GENERAL TRUST PLC

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

N/A

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

18 NOVEMBER 2011

6. Date on which issuer notified:

22 NOVEMBER 2011

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

67%

8: Notified Details

A: Voting rights attached to shares

Class/type of shares

If possible use ISIN code

ORDINARY

Situation previous to the triggering transaction

Resulting situation after the triggering transaction

Number of shares

66%

Number of voting rights

66%

Number of shares

81,818,668

Number of voting rights

81,818,668

Percentage of voting rights

67.48%

Direct

YES

Indirect

NO

Direct

YES

Indirect

NO

B: Financial Instruments N/A

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

Total (A+B)

Number of voting rights

Percentage of voting rights

81,818,668

67.48%

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:

DMG CHARLES LIMITED

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:

N/A

14 Contact name:

CHRIS BENN

15. Contact telephone name:

020 7779 8784