DOTZ NANO LIMITED — Director's Dealing 2010

May 18, 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	16 February 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 or indirect interest	Direct	Direct
	Nature of indirect interest(including registered holder)Note: Provide details of the circumstances giving rise to the relevant		N/A
	interest.
	Date of change		18 May 2010
	No. of securities held prior to change		Nil
	Class		Otions vestin on 24 Auust 2012	and
			p g gexpiring on 24 August 2013.
Number acquiredNumber disposedValue/ConsiderationNote: If consideration is non-cash, provide details and estimated v	Number acquired		Nil
	Number disposed		Nil
	Value/ConsiderationNote: If consideration is non-cash, provide details and estimated v	aluation	Grant of options for no consideration.

• See chapter 19 for defined terms.

Appendix 3Y Page 1

11/3/2002

Appendix 3Y Change of Director’s Interest Notice

No. of securities held after change 1,500,000 options vesting on 24 August 2012 and expiring on 24 August 2013. Exercise prices are as follows: a) 500,000 @$2.15 b) 500,000 @ $2.50 c) 500,000 @ $3.00 Nature of change Grant of options to managing director as

Example: on-market trade, off-market trade, exercise of options, issue of approved by shareholders at a general securities under dividend reinvestment plan, participation in buy-back meeting held on 14 May 2010.

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.

==> picture [434 x 331] intentionally omitted <==

----- Start of picture text ----- Detail of contractNature of interestName of registered holder(if issued securities)Date of changeNo. and class of securities towhich interest related prior tochangeNote: Details are only required for a contract in relationto which the interest has changedInterest acquiredInterest disposedValue/ConsiderationNote: If consideration is non-cash, provide details and anestimated valuationInterest after change Nil----- End of picture text -----

• See chapter 19 for defined terms.

Appendix 3Y Page 2

11/3/2002