IRESS LIMITED — Director's Dealing 2012

May 31, 2012

1 June 2012

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The Manager Company Announcements Office Australian Stock Exchange Exchange Centre, 20 Bridge Street SYDNEY NSW 2000

ELECTRONIC LODGEMENT

Dear Sir or Madam,

Appendix 3X - Initial Director’s Interest Notice - Mr Tony D’Aloisio

Please find attached an Appendix 3X - Initial Director’s Interest Notice, relating to Mr Tony D’Aloisio who, as previously announced, has been appointed as a non-executive director of the company from 1 June 2012.

Yours sincerely,

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PETER FERGUSON Company Secretary

IRESS Market Technology Ltd A.B.N. 47 060 313 359

Corporate Office: Level 18, 385 Bourke Street Melbourne Vic Australia Tel: (03) 9018 5800 Fax (03) 9018 5844

Sydney Office: Suite 4, 14 Martin Place Sydney NSW Australia Tel: (02) 8273 7000 Fax: (02) 8273 7003

www.iress.com.au

Appendix 3X Initial Director’s Interest Notice

Rule 3.19A.1

Appendix 3X

Initial Director’s Interest Notice

Information or documents not available now must be given to ASX as soon as available. Information and documents given to ASX become ASX’s property and may be made public. Introduced 30/9/2001.

Name of entity	IRESS Limited
ABN	47 060 313 359

We (the entity) give ASX the following information under listing rule 3.19A.1 and as agent for the director for the purposes of section 205G of the Corporations Act.

Name of Director	Anthony D’Aloisio
Date of appointment	1 June 2012

Part 1 - Director’s relevant interests in securities of which the director is the registered holder

In the case of a trust, this includes interests in the trust made available by the responsible entity of the trust

Note: In the case of a company, interests which come within paragraph (i) of the definition of “notifiable interest of a director” should be disclosed in this part.

Number & class of securities

Nil

• See chapter 19 for defined terms.

Appendix 3X Page 1

11/3/2002

Appendix 3X Initial Director’s Interest Notice

Part 2 – Director’s relevant interests in securities of which the director is not the registered holder

In the case of a trust, this includes interests in the trust made available by the responsible entity of the trust

Name of holder & nature of Number & class of Securities interest Note: Provide details of the circumstances giving rise to Nil the relevant interest.

Part 3 – Director’s interests in contracts

Note: In the case of a company, interests which come within paragraph (ii) of the definition of “notifiable interest of a director” should be disclosed in this part.

Detail of contract	Nil
Nature of interest	Nil
Name of registered holder (if issued securities)	Nil
No. and class of securities to which interest relates	Nil

• See chapter 19 for defined terms.

Appendix 3X Page 2

11/3/2002