BLACK ROCK MINING LIMITED — Director's Dealing 2007

Aug 23, 2007

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: GREEN ROCK ENERGY LIMITED ABN: 59 094 551 336

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	ALAN KNIGHTS
Date of last notice	22 February 2007

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 relevant interest.	N/A
Date of change	24 August 2007
No. of securities held prior to change	Ordinary shares: 2,118,232Options exercisable at 10 cents expiring 18April 2008: 771,993Unlisted Options exercisable at 25 centsexpiring21November 2009:2,000,000
Class	Ordinary fully paid
Number acquired	200,000
Number disposed	Nil
Value/ConsiderationNote: If consideration is non-cash, provide details and estimated valuation	$17,000
No. of securities held after change	Ordinary shares: 2,318,232Options: 10 cents expiring 18/4/2007 771,993Unlisted Options: exercisable at 25 centsexpiring 21 November 2009 2,000,000

• See chapter 19 for defined terms.

Appendix 3Y Page 1

11/3/2002

Appendix 3Y Change of Director’s Interest Notice

Nature of change On-market acquisition of 200,000 ordinary Example: on-market trade, off-market trade, exercise of options, issue of fully paid shares. securities under dividend reinvestment plan, participation in buy-back

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.

Detail of contract	N/A
Nature of interest	N/A
Name of registered holder(if issued securities)	N/A
Date of change	N/A
No. and class of securities to whichinterest related prior to changeNote: Details are only required for a contract in relation towhich the interest has changed	N/A
Interest acquired	N/A
Interest disposed	N/A
Value/ConsiderationNote: If consideration is non-cash, provide details and anestimated valuation	N/A
Interest after change	N/A

• See chapter 19 for defined terms.

Appendix 3Y Page 2

11/3/2002