Holding(s) in Company

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

Hiscox Limited 

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

Invesco Limited

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

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

11 January 2010

6. Date on which issuer notified:

12 January 2010

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

11%, 12%

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

Ordinary 5p Shares

41,802,153

41,802,153

45,074,753

12.01%

BMG4593F1041

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

Nominal

Delta

Total (A+B+C)

Number of voting rights

Percentage of voting rights

45,074,753

12.01%

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

Brown Brothers Harriman (New Jersey) - 126,554

Bank of Ireland (Dublin) - 307,198

Bank of New York - 36,671,182

JP Morgan Chase - 98,695

HSBC Bank plc (London) - 851,576

Mellon Bank Pittsburgh - 244,841

State Street Trust & Banking (Boston) - 100,508

State Street Trust & Banking (London) - 6,141,853

Northern Trust Company (London) - 523,402

Invesco PowerShares Capital Management Ltd  - 8,944

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:

14. Contact name:

Sam Edwards

15. Contact telephone number:

01491 416381

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)

Contact address 

(registered office for legal entities)

Phone number & email

Other useful information 

(at least legal representative for legal persons)

B: Identity of the notifier, if applicable

Full name

Invesco Limited

Contact address

Registered address:

30 Finsbury Square

London

EC2A 1AG

Phone number & email

020 7638 0731

Other useful information

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

C: Additional information