Holding(s) in Company

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

IDOX 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

Highclere International Investors LLP

4. Full name of shareholder(s)

(if different from 3.): iv

The Highclere International Investors International Smaller Companies Fund

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

May 29, 2013

6. Date on which issuer notified:

May 31, 2013

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

reached: vi, vii

Above 5%

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

ORDINARYGB0002998192

15,388,017

15,388,017

18,369,450

18,369,450

0

5.278%

0

B: Qualifying Financial Instruments

Resulting situation after the triggering transaction

Type of financialinstrument

Expirationdate xiii

Exercise/ConversionPeriod xiv

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

% of votingrights

N/A

N/A

N/A

N/A

N/A

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

Resulting situation after the triggering transaction

Type of financialinstrument

Exerciseprice

Expirationdate xvii

Exercise/Conversionperiod xviii

Number of votingrights instrumentrefers to

% of voting rights xix, xx

N/A

N/A

N/A

N/A

N/A

Nominal

Delta

N/A

N/A

Total (A+B+C)

Number of voting rights

Percentage of voting rights

18,369,450

5.278%

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

N/A

Proxy Voting:

10. Name of the proxy holder:

Highclere International Investors LLP

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

Not Applicable

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

Not Applicable

13. Additional information:

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

14. Contact name:

Fergus Gilmour, Compliance Officer

15. Contact telephone number:

0207-258-9845