BLACK ROCK MINING LIMITED — Major Shareholding Notification 2009

Sep 6, 2009

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4 September 2009

GREEN ROCK ENERGY LIMITED

FORM 604 CHANGE OF INTERESTS OF SUBSTANTIAL SHAREHOLDER

Attached is a form 604 in relation to the change of Perilya Limited’s substantial shareholding in Green Rock Energy Limited.

For further information please contact:

Paul Marinko Company Secretary Phone: +61 8 6330 1000

604 Page 1 of 2 15 July 2001

Form 604

Corporations Act 2001

Section 671B

Notice of change of interests of substantial holder

To Company Name/Scheme GREEN ROCK ENERGY LIMITED

ACN/ARSN 094 551 336

1. Details of substantial holder (1)

Name PERILYA LIMITED

ACN/ARSN (if applicable)

009 193 695

There was a change in the interests of the substantial holder on

25/08/2009

The previous notice was given to the company on 28 / 04 / 2008 The previous notice was dated 28 / 04 / 2008

2. Previous and present voting power

The total number of votes attached to all the voting shares in the company or voting interests in the scheme that the substantial holder or an associate (2) had a relevant interest (3) in when last required, and when now required, to give a substantial holding notice to the company or scheme, are as follows:

ompany or scheme, are as follows:
Class of securities (4)	Previous notice		Present notice
	Person’s votes	Voting power(5)	Person’s votes	Voting power(5)
ORDINARY	16,428,571	9.1%	14,873,571	7.2%

3. Changes in relevant interests

Particulars of each change in, or change in the nature of, a relevant interest of the substantial holder or an associate in voting securities of the company or scheme, since the substantial holder was last required to give a substantial holding notice to the company or scheme are as follows:

s follows:
Date of change	Person whoserelevant interestchanged	Nature of change (6)	Consideration givenin relation to change(7)	Class and numberof securitiesaffected	Person's votesaffected
03/07/2009-15/07/2009	PERILYALIMITED	DISPOSAL ONMARKET	AVERAGE OF$0.0616	1,555,000	0.9%
25/08/2009	PERILYALIMITED	*	N/A	14,873,571	*

*Dilution following private placement by Green Rock Energy Limited

4. Present relevant interests

Particulars of each relevant interest of the substantial holder in voting securities after the change are as follows:

Holder ofrelevantinterest	Registered holderof securities	Person entitled to beregistered as holder(8)	Nature of relevantinterest (6)	Class and numberof securities	Person's votes
PERILYALIMITED	PERILYALIMITED	PERILYALIMITED		14,873,571	7.2%