PTR MINERALS LTD — Major Shareholding Notification 2009

Mar 31, 2009

Form 604

Corporations Act 2001 Section 671B

Notice of change of interests of substantial holder

To Company Name/Scheme	PETRATHERM LTD
ACN/ARSN	106 806 884
1. Details of substantial holder(1)	MINOTAUR RESOURCES INVESTMENTS PTY LTD
NameACN/ARSN (if applicable)	108 483 683
There was a change in the interests of thesubstantial holder on	13200924
The previous notice was given to the company on	105120074
The previous notice was dated	05 / 20074
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:

Class of securities (4)	Previous notice		Present notice
	Person's votes	Voting power [5]	Person's votes	Voting power (5)
ORDINARY SHARES	18,437,501	31.91%	20.437.501	32.36%

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:

Date ofchange	Person whoserelevant interestchanged	Nature ofchange (6)	Considerationgiven in relationto change $(7)$	Class andnumber ofsecuritiesaffected	Person's votesaffected
	REFER TO ANNEXURE "A"

4. Present relevant interests

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

Holder ofrelevantinterest	Registeredholder ofsecurities	Person entitledto be registeredas holder (8)	Nature ofrelevantinterest (6)	Class andnumber ofsecurities	Person's votes
	REFER TO ANNEXURE "B"

5. Changes in association

The persons who have become associates (2) of, ceased to be associates of, or have changed the nature of their association (9) with, the substantial holder in relation to voting interests in the company or scheme are as follows:

Name and ACN/ARSN (if applicable)	Nature of association
NOT APPLICABLE

6. Addresses

The addresses of persons named in this form are as follows:

Name	Address
REFER TO ANNEXURE "C"

Signature

print name	DONALD STEPHENS	COMPANY SECRETARYcapacity
sign here	Denald Hoghers	2009date

DIRECTIONS

$\left( 1\right)$ If there are a number of substantial holders with similar or related relevant interests (eg. a corporation and its related corporations, or the manager and trustee of an equity trust), the names could be included in an annexure to the form. If the relevant interests of a group of persons are essentially similar, they may be referred to

"A" THIS IS ANNEXURE MARKED "A" REFERRED TO IN NOTICE OF CHANGE OF INTERESTS OF SUBSTANTIAL HOLDER OF PETRATHERM LTD A.C.N. 106 806 884

3. Changes in relevant interests

Date ofchange	Person whoserelevant interestchanged	Nature ofchange (6)	Considerationgiven in relationto change	Class andnumber ofsecuritiesaffected	Person'svotesaffected
24/03/09	MinotaurResourcesInvestments Pty Ltd	Exercise ofunlistedoptions	$1,000,000paid	5,000,000OrdinaryFully PaidShares	5,000,000
26/03/09	MinotaurExploration Ltd	Off markettransfer	$630,000received	3,000,000OrdinaryFully PaidShares	3,000,000

Signature

Print Name: DONALD STEPHENS Capacity: COMPANY SECRETARY

Sign Here …………………………………… Date ……………………………….. 1 April 2009

"B" THIS IS ANNEXURE MARKED "B" REFERRED TO IN NOTICE OF CHANGE OF INTERESTS OF SUBSTANTIAL HOLDER OF PETRATHERM LTD A.C.N. 106 806 884

4. Present relevant interests holders

Holder ofrelevantinterest	Registeredholder ofsecurities	Person entitledto be registeredas holder (8)	Nature ofrelevantinterest	Class andnumber ofsecurities	Person'svotes
MinotaurResourcesInvestmentsPty Ltd	MinotaurResourcesInvestmentsPty Ltd	MinotaurResourcesInvestmentsPty Ltd	See (a)below	20,437,501OrdinaryFully PaidShares	20,437,501
MinotaurExplorationLtd	MinotaurResourcesInvestmentsPty Ltd	MinotaurResourcesInvestmentsPty Ltd	See (b)below	20,437,501OrdinaryFully PaidShares	20,437,501

Nature of Relevant Interest

• a. Registered holder of all securities in Petratherm Ltd held by the Minotaur Group.
• b. Taken under Section 608(3)(b) of the Corporations Act to have a relevant interest by reason of having control of Minotaur Resources Investments Pty Ltd.

Signature

Print Name: DONALD STEPHENS Capacity: COMPANY SECRETARY

Sign Here …………………………………… Date ……………………………….. 1 April 2009

"C" THIS IS ANNEXURE MARKED "C" REFERRED TO IN NOTICE OF CHANGE OF INTERESTS OF SUBSTANTIAL HOLDER OF PETRATHERM LTD A.C.N. 106 806 884

5. Addresses

Name	Address (Registered Office)
Minotaur Resources Investments Pty	C/- HLB Mann Judd (SA) Pty Ltd, 82
Ltd (A.C.N: 108 483 683)	Fullarton Road, NORWOOD SA 5067.
Minotaur Exploration Ltd	C/- HLB Mann Judd (SA) Pty Ltd, 82
(A.C.N.: 108 483 601)	Fullarton Road, NORWOOD SA 5067.

Signature

Print Name: DONALD STEPHENS Capacity: COMPANY SECRETARY

			1 April 2009
Sign Here	……………………………………	Date	………………………………