DOTZ NANO LIMITED — Director's Dealing 2010

May 19, 2010

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: NORTHERN IRON LIMITED

ABN: 71 125 264 575

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	JOHN SANDERSON
Date of last notice	18 May 2010

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
Nature of indirect interest(including registered holder)Note: Provide details of the circumstances giving rise to the relevantinterest.	N/A
Date of change	19 May 2010
No. of securities held prior to change	1,500,000 options vesting on 24 August 2012and expiring on 24 August 2013.Exercise prices are as follows:a)500,000 @ $2.15b)500,000 @ $2.50c)500,000 @ $3.00
Class	Ordinary shares

• See chapter 19 for defined terms.

Appendix 3Y Page 1

11/3/2002

Appendix 3Y Change of Director’s Interest Notice

Appendix 3YChange of Director’s Interest Notice	Appendix 3YChange of Director’s Interest Notice	Appendix 3YChange of Director’s Interest Notice
	Number acquired	40,000 ordinary shares
	Number disposed	Nil
	Value/ConsiderationNote: If consideration is non-cash, provide details and estimated valuation	$1.38 per share
	No. of securities held after change	40,000 ordinary shares
		1500000 options vesting on 24	August 2012
		,,and expiring on 24 August 2013	.
		Exercise prices are as follows:a)500,000 @ $2.15b)500,000 @ $2.50c)500,000 @ $3.00
	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.

Part	Part	2 – Change of director’s in	terests in contracts	terests in contracts	terests in contracts	terests in contracts
Note: Inpart.		the case of a company, interests which come wit	hin paragraph (ii) of the definition of “notif			iable interest of a dire	ctor” should be disclosed in this
	Deta	il of contract
	Natu	re of interest
	Nam(if is
		e of registered holderued securities)
	Dt	f h
	ae	o cange
	No. arelatNote: Dinterest
		nd class of securities to which ied prior to changeetails are only required for a contract in relationh hd	nterestto which the
		as cange
	Inter	t id
		es acqure
	Inter	est disposed
	ValuNote: I	e/Considerationf consideration is non-cash provide details and a	n estimated
	,valuation
	Interest after change			Nil

• See chapter 19 for defined terms.

Appendix 3Y Page 2

11/3/2002