MATSA RESOURCES LIMITED — Board/Management Information 2007

Apr 19, 2007

KALGOORLIE-BOULDER RESOURCES LTD ABN 48 106 732 487

ASX Code: KAL, KALO

20 April 2007

RESIGNATION OF DIRECTOR

Kalgoorlie-Boulder Resources Ltd wishes to advise that Mr Kenneth Allen has tendered his resignation as a director of the Company effective 20 April 2007. We wish to thank him for his contribution to the Company while he has held this role.

ASX Appendix 3Z - Final Director's Interest Notice is attached.

Michael Atkins Chairman

For further information:

Michael Atkins Chairman Phone: +61 8 9229 9742 Fax: +61 8 9228 8686

John Coles Company Secretary Phone: +61 8 9229 9742 Fax: +61 8 9228 8686

Appendix 3Z

Rule 3.19A.3

Final 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 KALGOORLIE-BOULDER RESOURCES LTD

ABN 48 106 732 487

We (the entity) give ASX the following information under listing rule 3.19A.3 and as agent for the director for the purposes of section 205G of the Corporations Act.

Name of director	Kenneth Allen
Date of last notice	20 April 2007
Date that director ceased to be director	20 April 2007

Part 1 - Director's relevant interests in securities of which the director is the registered holder 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.

Number & class of securities

250,000 Fully Paid Ordinary Shares 500,000 30 cent Options expiring 31 July 2008 500,000 40 cent Options expiring 31 July 2008

⁺ See chapter 19 for defined terms.

Part 2 - Director's relevant interests in securities of which the director is not the registered holder

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.

In the case of a trust, this includes interests in the trust made available by the responsible entity of the trust

Name of holder & nature of interest Note: Provide details of the circumstances giving rise to the relevant interest	Number & class of securities
N/A

Part 3 – Director's interests in contracts

Detail of contract	N/A
Nature of interest
Name of registered holder (if issued securities)
No. and class of securities to which interest relates

$+$ See chapter 19 for defined terms.