HYTERRA LTD — AGM Information 2007

Jul 30, 2007

BRAINZ INSTRUMENTS LIMITED

NOTICE OF ANNUAL MEETING

NOTICE is hereby given that the Annual Meeting of BrainZ Instruments Limited (Company) will be held at the offices of Minter Ellison Lawyers, Level 23, 525 Collins Street, Melbourne, Australia on Friday, 31 August 2007, commencing at 11:30am (AEST). In accordance with the Company's Constitution, the Board has fixed 24 July 2007 as the date of shareholder entitlement to notice of the Annual Meeting.

BUSINESS

• A. Chairman’s Introduction

• B. Chief Executive’s Review

• C. Annual Report: To receive and consider the Annual Report, the Financial Statements and the Auditor’s Report for the financial period ended 31 March 2007.

• D. Resolutions: To consider, and if thought fit, to pass the following resolutions as ordinary resolutions:

  1. Re-election of Mr K J Aitchison: That Mr K J Aitchison who retires by rotation, and is eligible for re-election, be re-elected as a Director of the Company.

  2. Re-election of Dr J Brown: That Dr J Brown, who retires by rotation, and is eligible for reelection, be re-elected as a Director of the Company.

  3. Re-appointment of Auditor: That Deloitte be re-appointed as auditor to:

     • (a) hold office from the conclusion of this meeting to the conclusion of the next annual meeting;

     • (b) audit the financial statements for the period ending 31 March 2008,

       • and to authorise the Board of Directors to fix the auditor’s remuneration.

Each of these resolutions is described in the attached explanatory notes which form part of this Notice of Annual Meeting.

DATED 30 July 2007

BY ORDER OF THE BOARD

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Ian Hadwin Company Secretary BrainZ Instruments Limited

EXPLANATORY NOTES

The purpose of the Explanatory Notes (which form part of the Notice of Annual Meeting dated 30 July 2007 (Notice) is to provide shareholders with an explanation of the resolutions to be proposed and considered at the Annual Meeting of BrainZ Instruments Limited, ARBN 116 829 675 (Company) on 31 August 2007 and to allow shareholders to determine how they wish to vote on these resolutions.

ANNUAL REPORT

The Company’s Annual Report containing the financial statements for the period ended 31 March 2007 is enclosed with this Notice. Shareholders should note that they will be able to ask questions or discuss matters arising from the financial statements at the Meeting however it is not the purpose of the Meeting that the Annual Report be accepted, rejected or modified in any way.

RE-ELECTION OF DIRECTORS (RESOLUTIONS 1 and 2)

The ASX Listing Rules provide that an entity which has directors must hold an election of directors each year. Accordingly Mr K J Aitchison and Dr J Brown, being the longest serving directors since their last election, offer themselves for re-election.

APPOINTMENT OF AUDITOR (RESOLUTION 3)

The New Zealand Companies Act 1993 provides that at each Annual Meeting the Company must appoint an auditor and fix the auditor’s remuneration or determine how it is to be fixed. Deloitte has consented to it continuing as auditor.

HOW TO VOTE

To vote on the resolutions to be put to the Meeting follow these steps:

1. Complete the Proxy Form and return it by facsimile or mail (to be received no later than 48 hours before the commencement of the Meeting) as directed on the Proxy Form; or

2.   Attend the Meeting. 
   

Persons Entitled to Vote

The persons who will be entitled to vote at the Meeting are those persons (or their proxies or representatives) registered as holding Ordinary Shares on the Company's share register at 11:30am (AEST) on 29 August 2007.

Proxies and Corporate Representatives

Shareholders entitled to attend and vote at the Meeting may appoint a proxy or representative (in the case of a corporate shareholder) to attend and vote on their behalf. A proxy need not be a shareholder of the Company. Proxy Forms must be received at the Company's offices, 25 Carbine Road, Mt Wellington, Auckland or PO Box 51078, Pakuranga, Manukau 2140, New Zealand (or facsimile +64 9 978 8889) no later than 48 hours before commencement of the Meeting. The Proxy Form is enclosed with this Notice.

FORM OF PROXY

BRAINZ INSTRUMENTS LIMITED (incorporated in New Zealand) ARBN 116 829 675

25 Carbine Rd Mt Wellington, Auckland New Zealand Telephone: +64 9 978 8896 FACSIMILE: +64 9 978 8889

I/We

(Full name in block letters)

of

(Address)

being a shareholder of BrainZ Instruments Limited hereby appoint:

Name

Address

or failing that person:

Name

Address

or failing that person, the Chairman of the Meeting as my/our proxy/proxies to vote for me/us and on my/our behalf at the Annual Meeting of this company to be held at the offices of Minter Ellison Lawyers, 525 Collins Street, Melbourne on Friday, 31 August 2007 commencing at 11:30am (AEST) and at any adjournment thereof.

If the Chairman of the Meeting is voting as your proxy, he intends to vote any undirected proxies held on the item of business in favour of the resolution on that item of business.

Signature of shareholder (companies to execute under seal or director’s signature if applicable)

Dated this day of 2007

If you desire to direct your proxy/proxies how to vote, please insert X in the appropriate box. If you do not direct your proxy/proxies they may vote as they think fit or may abstain from voting.

BUSINESS	For	Against	Abstain
Resolution 1 – To re-elect a Director – Mr K J Aitchison	�	�	�
Resolution 2 – To re-elect a Director – Dr J Brown	�	�	�
Resolution 3 – Reappointment of Deloitte as Auditor	�	�	�

PROXIES

To be effective, proxy forms must be received by the company at its office at least 48 hours before the time for holding the meeting.

Hand Delivery:	By Mail:
25 Carbine Rd	PO Box 51-078
Mt Wellington, Auckland	Pakuranga,
New Zealand	Manukau 2140
	New Zealand

By Facsimile: +64 9 978 8889

A shareholder entitled to attend and vote is entitled to appoint not more than two persons as his/her proxy to attend and vote instead of the shareholder. A proxy need not be a shareholder of the Company. If more than one proxy is appointed, each proxy must be appointed to represent a specified proportion of the shareholder’s voting rights.

A proxy form executed by a corporation should be executed under its common seal or in accordance with the Companies Act 1993. If the proxy form is executed under a power of attorney or other authority then the original document or a certified copy must be forwarded to the Company with the proxy form.