IMDEX LIMITED — Director's Dealing 2007

Aug 22, 2007

23 August 2007

Company Announcements Office Australian Stock Exchange Limited Exchange Centre 20 Bridge Street SYDNEY NSW 2001

Dear Sir/Madam

Appendix 3Y - Change of Directors Interest

Please find attached the Appendix 3Y notice in respect of Mr Ian Burston, Chairman of Imdex Limited.

Yours faithfully

Imdex Limited

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Paul Evans Company Secretary

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Imdex Limited ACN 008 947 813 ABN 78 008 947 813 Level 1 15 Rheola Street, West Perth Western Australia 6005 PO Box 1325 West Perth WA 6872 Phone +61 8 9481 5777 Fax +61 8 9481 5377 E-mail imdex@imdex.com.au Page 1 of 1

Quality Endorsed Company ISO 9002 LIC: QEC 2807 Standards Australia

Appendix 3Y Change of Director’s Interest Notice

Rule 3.19A.2

Appendix 3Y

Change of 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	IMDEX LIMITED
ABN	78 008 947 813

We (the entity) give ASX the following information under listing rule 3.19A.2 and as agent for the director for the purposes of section 205G of the Corporations Act.

Name of Director	Ian Burston
Date of last notice	12 March 2007

Part 1 - Change of director’s relevant interests in securities

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.

Direct or indirect interest	Indirect
Nature of indirect interest(including registered holder)Note: Provide details of the circumstances giving rise to the relevantinterest.	Held by Mr IF Burston and Ms RV Burston,as trustees for the Burston Super Fund. MrIF Burston is a member of this fund.
Date of change	20 August 2007
No. of securities held prior to change	260,000
Class	Ordinary
Number acquired	83,796
Number disposed	Nil

• See chapter 19 for defined terms.

Appendix 3Y Page 1

11/3/2002

Appendix 3Y Change of Director’s Interest Notice

	Value/Co	nsideration		$100496	$100496
	Note: If consid	eration is non-cash, provide de	tails and estimated valuation	,
	No. of sec	urities held after ch		100,000Burston, t243,786Burston athe Burstomember o1,000,000	ordinary shhe Director’ordinary shand Ms RVn Super Fuf this fund.Options - h	ares held bs spouse.res – heldBurston, asnd. Mr IF Beld by Ms R	y Ms RV
			ange
							by Mr IFtrustees forurston is aV Burston,
				the Director’s spouse.
	Nature of changeExample: on-market trade, off-market trade, exercise of options, issue ofsecurities under dividend reinvestment plan, participation in buy-back			On market trade

Part 2 – Change of 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 Nature of interest Name of registered holder (if issued securities) Date of change No. and class of securities to which interest related prior to change Note: Details are only required for a contract in relation to which the interest has changed Interest acquired Interest disposed Value/Consideration Note: If consideration is non-cash, provide details and an estimated valuation Interest after change

• See chapter 19 for defined terms.

Appendix 3Y Page 2

11/3/2002