INC.L Regulatory News (INC)

TR-1: Notifications of Major Interests in Shares

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

Insetco Plc

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

An acquisition or disposal of voting rights

An acquisition or disposal of qualifying financial instruments which may result in the acquisition of shares already issued to which voting rights are attached

Y

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 thenotification obligation: iii

ADM ISI Nominees

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

n/a

5. Date of the transaction and date onwhich the threshold is crossed orreached: v

17/12/10

6. Date on which issuer notified:

17/12/10

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

Above 34%

8. Notified details:

A: Voting rights attached to shares viii, ix

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 x

Direct

Direct xi

Indirect xii

Direct

Indirect

GB00B5KNBL14

37,284,500

39,634,500

34.37%

B: Qualifying Financial Instruments

Resulting situation after the triggering transaction

Type of financialinstrument

Expirationdate xiii

Exercise/Conversion Period xiv

Number of votingrights that may beacquired if theinstrument isexercised/ converted.

% of votingrights

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

Resulting situation after the triggering transaction

Type of financialinstrument

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

34.37%

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

The current holdings held by clients under ADM ISI nominees are as follows:

UW01C 0.99%

UW03C 6.95%

UW04C 0.37%

UW13A 0.35%

UW32A 8.93%

UW33C 0.04%

UW35B 0.13%

UW36A 1.73%

UW37A 0.35%

UW43C 0.35%

UW46A 0.69%

UW47C 1.73%

UW48C 0.98%

UW49C 0.09%

UW50C 1.13%

UW51C 1.66%

UW90A 1.71%

UW91A 5.12%

UW92C 1.08%

Proxy Voting:

10. Name of the proxy holder:

n/a

11. Number of voting rights proxy holder will ceaseto hold:

n/a

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

n/a

13. Additional information:

14. Contact name:

Tracy Hetherington

15. Contact telephone number:

020 7716 8044