HYTERRA LTD — Director's Dealing 2010

Feb 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 Brainz Instruments Limited

ARBN 116 829 675

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	Mathew Donald Walker
Date of last notice	12/10/2009

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	19/02/2010
No. of securities held prior to change	11,750,000
Class	Fully Paid Ordinary
Number acquired	2,000,000
Number disposed	Nil
Value/ConsiderationNote: If consideration is non-cash, provide details and estimated valuation	$80,000
No. of securities held after change	13,750,000
Nature of changeExample: on-market trade, off-market trade, exercise of options, issue ofsecurities under dividend reinvestment plan, participation in buy-back	Participation in a placement as announced tothe ASX on 24/11/2009 and approved byshareholders on 8/02/2010.

• See chapter 19 for defined terms.

Appendix 3Y Page 1

11/3/2002

Appendix 3Y Change of Director’s Interest Notice

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 328] 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----- End of picture text -----

• See chapter 19 for defined terms.

Appendix 3Y Page 2

11/3/2002

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 Brainz Instruments Limited

ARBN 116 829 675

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.

y g gdirector for the purposes of section 205G o	g .. gf the Corporations Act.
Name of Director	Keith Norman Goodall
Date of last notice	04/11/2009

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.

Note: In the case of a company, interests which come within paragraph (i) of thin this part.	e definition of “notifiable interest of a director” should be disclosed
Direct or indirect interest	Indirect
Nature of indirect interest	Trustee
(including registered holder)Note: Provide details of the circumstances giving rise to the relevantinterest.	(Mr Keith Norman Goodall + Mrs PamelaJoan Goodall <The Waratah Trust A/C>)
Date of change	19/02/2010
No. of securities held prior to change	Nil
Class	Fully Paid Ordinary
Number acquired	4,000,000
Number disposed	Nil
Value/ConsiderationNote: If consideration is non-cash, provide details and estimated valuation	$160,000
No. of securities held after change	4,000,000
Nature of changeExample: on-market trade, off-market trade, exercise of options, issue ofsecurities under dividend reinvestment plan, participation in buy-back	Participation in a placement as announced tothe ASX on 24/11/2009 and approved byshareholders on 8/02/2010.

• See chapter 19 for defined terms.

Appendix 3Y Page 1

11/3/2002

Appendix 3Y Change of Director’s Interest Notice

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 328] 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----- End of picture text -----

• See chapter 19 for defined terms.

Appendix 3Y Page 2

11/3/2002