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:

ICAP 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:

 Silchester International Investors LLP

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

Silchester International Investors International Value Equity Taxable Trust

Silchester International Investors International Value Equity Trust

Silchester International Investors International Value Equity Group trust

Silchester International Investors Tobacco Free International Value Equity Trust

The Calleva Trust

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

 5th December 2012

6. Date on which issuer notified:

6th December 2012

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

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

Indirect

Direct

Indirect

GB0033872168

33,313,941

5.16%

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

33,313,941

5.16%

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

Proxy Voting:

10. Name of the proxy holder:

 Silchester International Investors LLP

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:

Silchester International LLP ("Silchester") acts as investment manager for the clients detailed in Question 4 above (the "Clients"). In acting for the Clients, Silchester are given full discretion over their investments and are empowered to vote on their behalf. However, Silchester do not act as the Clients' custodian and therefore shares are not held in its name but in the name of each Client's custodian bank.

The increase in Silchester's holdings was due to a series of transactions over a series of different trading days. Details of the number of shares held before the change (shown in Section A 'Situation previous to the Triggering transaction' above), represent the shares held by Silchester's Clients as of the date of the last Notice of Substantial Shareholder's Interest and not as of the last trading day before which this disclosure level was triggered.

Notification is provided based on the total voting rights figure of 646,136,215.

14. Contact name:

Deborah Abrehart

Group Company Secretary

15. Contact telephone number:

020 7000 5000