PERCHERON THERAPEUTICS LIMITED — Director's Dealing 2012

May 6, 2012

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: Antisense Therapeutics Limited (ASX:ANP) ACN: 095 060 745

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: Mr Mark Diamond Date of Last Notice: 3[rd] May 2012

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		Direct	Direct
Nature of indirect interest (including registered holder) Note: Provide details of the circumstances giving rise to the relevant interest.		-
Date of change		7thMay 2012
No. of securities held prior to change					Options 5,812,460 - 5,812,460
			Shares		Options
		Direct	3,162,041		5,812,460
		Indirect	-		-
		**Total **	3,162,041		5,812,460
Class		Ordinary Shares
Number acquired					Options - - -
			Shares		Options
		Direct	277,777		-
		Indirect	-		-
		Total	277,777		-

• See chapter 19 for defined terms.

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Appendix 3Y Change of Director’s Interest Notice

Number disposed				Options - - -
			Shares	Options
		Direct	-	-
		Indirect	-	-
		Total	-	-
Value/Consideration Note: If consideration is non-cash, provide details and estimated valuation		$0.018 per share
No. of securities held after change				Options 5,812,460 - 5,812,460
			Shares	Options
		Direct	3,439,818	5,812,460
		Indirect	-	-
		**Total **	3,439,818	5,812,460
Nature of change Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestmentplan,participation in buy-back		Acquisition via Share Purchase Plan

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.

disclosed in this part.
Detail of contract	N/A
Nature of interest	N/A
Name of registered holder (if issued securities)	N/A
Date of change	N/A
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	N/A
Interest acquired	N/A
Interest disposed	N/A
Value/Consideration Note: If consideration is non-cash, provide details and an estimated valuation	N/A
Interest after change	N/A

Part 3 - +Closed Period

Were the interests in the securities or contracts detailed above traded No during a +closed period where prior written clearance was required? If so, was prior written clearance provided to allow the trade to N/A proceed during this period? If prior written clearance was provided on what date was this N/A provided?

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The CFO Solution

07.05.2012

• See chapter 19 for defined terms.

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