IMDEX LIMITED — Major Shareholding Notification 2012

Aug 28, 2012

604 page 1/2 15 July 2001

Form 604

Corporations Act 2001 Section 671B

Notice of change of interests of substantial holder

To Company Name/Scheme IMDEX LIMITED ACN/ARSN 008 947 813

1. Details of substantial holder(1)

Name BlackRock Group

ACN/ARSN (if applicable)

There was a change in the interests of the substantial holder on The previous notice was given to the company on The previous notice was dated	/ / / / / / 17 08 12 12 06 12 31 05 12

2. Previous and present voting power

The total number of votes attached to all the voting shares in the company or voting interests in the scheme that the substantial holder or an associate (2) had a relevant interest (3) in when last required, and when now required, to give a substantial holding notice to the company or scheme, are as follows:

Class of securities (4)	Previous notice	Previous notice	Present notice	Present notice
	Person's votes	Voting power (5)	Person's votes	Voting power (5)
ord	10,585,437	5.08	12,670,679	6.08

3. Changes in relevant interests

Particulars of each change in, or change in the nature of, a relevant interest of the substantial holder or an associate in voting securities of the company or scheme, since the substantial holder was last required to give a substantial holding notice to the company or scheme are as follows:

Date of change	Person whose relevant interest changed	Nature of change (6)	Consideration given in relation to change (7)	Class and number of securities affected	Person's votes affected
	see Annexure A

4. Present relevant interests

Particulars of each relevant interest of the substantial holder in voting securities after the change are as follows:

Holder of relevant interest	Registered holder of securities	Person entitled to be registered as holder (8)	Nature of relevant interest (6)	Class and number of securities	Person's votes
	see Annexure B

604 page 2/2 15 July 2001

5. Changes in association

The persons who have become associates (2) of, ceased to be associates of, or have changed the nature of their association (9) with, the substantial holder in relation to voting interests in the company or scheme are as follows:

Name and ACN/ARSN (if applicable) Nature of association see Annexure B

6. Addresses

The addresses of persons named in this form are as follows:

Name Address see Annexure B

Signature

print name Belinda Plotkin capacity Company Secretary sign here date 29 / 08 / 12

DIRECTIONS

• (1) If there are a number of substantial holders with similar or related relevant interests (eg. a corporation and its related corporations, or the manager and trustee of an equity trust), the names could be included in an annexure to the form. If the relevant interests of a group of persons are essentially similar, they may be referred to throughout the form as a specifically named group if the membership of each group, with the names and addresses of members is clearly set out in paragraph 6 of the form.

• (2) See the definition of "associate" in section 9 of the Corporations Act 2001.

• (3) See the definition of "relevant interest" in sections 608 and 671B(7) of the Corporations Act 2001.

• (4) The voting shares of a company constitute one class unless divided into separate classes.

• (5) The person's votes divided by the total votes in the body corporate or scheme multiplied by 100.

• (6) Include details of:

• (a) any relevant agreement or other circumstances because of which the change in relevant interest occurred. If subsection 671B(4) applies, a copy of any document setting out the terms of any relevant agreement, and a statement by the person giving full and accurate details of any contract, scheme or arrangement, must accompany this form, together with a written statement certifying this contract, scheme or arrangement; and

• (b) any qualification of the power of a person to exercise, control the exercise of, or influence the exercise of, the voting powers or disposal of the securities to which the relevant interest relates (indicating clearly the particular securities to which the qualification applies).

• See the definition of "relevant agreement" in section 9 of the Corporations Act 2001.

• (7) Details of the consideration must include any and all benefits, money and other, that any person from whom a relevant interest was acquired has, or may, becom`e entitled to receive in relation to that acquisition. Details must be included even if the benefit is conditional on the happening or not of a contingency. Details must be included of any benefit paid on behalf of the substantial holder or its associate in relation to the acquisitions, even if they are not paid directly to the person from whom the relevant interest was acquired.

• (8) If the substantial holder is unable to determine the identity of the person (eg. if the relevant interest arises because of an option) write "unknown".

• (9) Give details, if appropriate, of the present association and any change in that association since the last substantial holding notice.

Annexure A

This is Annexure A of (1) pages referred to in form 604 Notice of change of interests of substantial shareholder

29-Aug-12 Belinda Plotkin, Company Secretary Date

3. Changes in relevant interests

	Imdex Limited (IMD)
Date of Change	Person whose relevant interest changed Nature of change (6) Consideration given in relation to change (7) (AUD) Person's votes affected Class and number of securities affected
1 Jun 2012 to 17 Aug 2012	BlackRock Group Purchases 4,017,592 ord 2,340,560 2,340,560
	BlackRock Group Sales 462,442 ord 255,318 255,318

IMD

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Annexure B

This is Annexure B of 1 page referred to in form 604 Notice of change of interests of substantial shareholder

	29-Aug-12
Belinda Plotkin,	Date
Company Secretary

4. Present Relevant Interests 6. Addresses

Holder of Relevant Interests / Name	Class and number of Securities	Class and number of Securities	Persons Votes	Nature of Association	Address
BlackRock Capital	ORD	8,032	8,032	same ultimate	100 Bellevue Parkway
Management, Inc.				holding company	Wilmington, DE 19809
BlackRock Advisors (UK)	ORD	38,530	38,530	same ultimate	Murray House
Ltd.				holding company	1Royal Mint Court
					London, EC3N 4HH, UK
BlackRock Fund Advisors	ORD	203,630	203,630	same ultimate	400 Howard Street
				holding company	San Francisco, CA, 94105
BlackRock Investment	ORD	370,985	370,985	same ultimate	Level 19, 120 Collins St
Management (Aust) Ltd				holding company	Melbourne Australia
(ACN 006 165 975)
BlackRock Institutional	ORD	631,415	631,415	same ultimate	400 Howard Street
Trust Company, N.A.				holding company	San Francisco, CA, 94105
BlackRock Asset	ORD	11,418,087	11,418,087	same ultimate	Level 43, Grosvenor Place
Management Australia				holding company	225 George Street
Limited (ACN 001 804 566)					Sydney NSW 2000 Australia

IMD

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