BLACK ROCK MINING LIMITED — Director's Dealing 2008

Apr 13, 2008

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 ACN: 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	Adrian Neil Larking
Date of last notice	27 August 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	Indirect
Nature of indirect interest	Adrian Larking has a relevant interest in the
(including registered holder)	securities held by his superannuation fund. His
Note: Provide details of the circumstances	relevant interest in the securities arises by
giving rise to the relevant interest.	virtue of his power to control the voting rights
	attached to the securities held in the name of
	PKA Investments Pty Ltd as trustees for the
	Larks Superannuation Fund.
Date of change	14 April 2008
No. of securities held prior to change	9,500,000 ordinary shares and 984,375 listed
	options held in the name of PKA Investments
	Pty Ltd as trustees for the Larks Superannuation
	Fund.
	1,000,000 unlisted options exercisable at 15
	cents expiring 26 November 2011 held in the
	name Adrian Larking
Class	Ordinary shares
Number acquired	984,375

• See chapter 19 for defined terms.

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Appendix 3Y Page 1

Appendix 3Y Change of Director’s Interest Notice

Number disposed	NIL
Value/ConsiderationNote: If consideration is non-cash, providedetails and estimated valuation	$0.10 per share (aggregate of $98,437.50)
No. of securities held after change	10,484,375 shares held by PKA InvestmentsPty Ltd.1,000,000 unlisted options exercisable at 15cents expiring 26 November 2011 held in thename Adrian Larking
Nature of changeExample: on-market trade, off-market trade, exercise of options, issue ofsecurities under dividend reinvestment plan, participation in buy-back	Exercise of 984,375 options ( GRKOA 18 April2008 options) to acquire ordinary shares.

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 towhich interest related prior tochangeNote: Details are only required for a contract in relationto which 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