PTR MINERALS LTD — Major Shareholding Notification 2006

Feb 8, 2006

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)
Name	MINOTAUR RESOURCES INVESTMENTS PTY LTD

ACN/ARSN (if applicable)	-------------------------------CONTANTACTO108 483 683	---------------	______________________________________
	______________________________________	------------------------------------------------------	.	would be a function of the constitution of the product of the constitution of the constitution of the constitu

There was a change in the interests of thesubstantial holder on	8/2/2006
The previous notice was given to the company on	$27 \div 7 \div 2004$
The previous notice was dated	27 / 7 / 2004

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- - - - - - - - - - - - - - - - -		$-0.00000000000000000000000000000000000$Present notice
.	______________________________________Person's votes	ECANNAL ISI.	Porson's votasi
---------ORDINARY SHARES	15,000,001	42.9%	17.500.001	40.9%
..________________________		---------------------------------------.	A MARCH PEAR PRESS AND A REPORT	.

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 iBI	Nature ofrelevantinterest (6)	Class andnumber ofsecurities	Person's votes
	REFER TO ANNEXURE "B"
					.

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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/ARSNm.CONTRACTOR COMMUNICATION1.	---------------------------------------Nature of association
ANNEXURE "C"BEEER I______________________________________	.
*************

6. Addresses

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

__________________Name 3 - 1 - 1 - 1 - 1 - 1 - 1 - 1 - 1 - 1 -	________________________..ddress.
REFER TO ANNEXURE "D".	__________________**************************************
______________________________________

Signature

print name	DONALD STEPHENS-----------------------------------------------------		COMPANY SECRETARY.
sign here	$-1111 -$	dato.	2006
	throda At grant	14

DIRECTIONS

$\left[ \vec{1}\right]$ 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 ennexure 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 whoserelevantinterestchanged	Nature ofchange $(6)$	Considerationgiven in relationto change (7)	Class andnumber ofsecuritiesaffected	Person'svotesaffected
25/01/06	Minotaur Group	Dilution ofholdingpost shareplacement	N/A	N/A	N/A
08/02/06	Minotaur Group	Exercise ofescrowedOptions	$500,000	2,500,000	2,500,000

Details of the Minotaur Group of Companies and its beneficial shareholding in Petratherm Ltd

Company Name andACN.	Nature of Relevant Interest	Address (Registered Office)
Minotaur ResourcesInvestments Pty Ltd(A.C.N: 108 483 683)	See below (a)	C/- HLB Mann Judd StephensPty Ltd, 82 Fullarton Road,NORWOOD SA 5067.
Minotaur Exploration Ltd(A.C.N.: 108 483 601)	See below (b)	C/- HLB Mann Judd StephensPty Ltd, 82 Fullarton Road,NORWOOD SA 5067.
Minotaur Operation PtyLtd(A.C.N. 108925284)	See below (c)	C/- HLB Mann Judd StephensPty Ltd, 82 Fullarton Road,NORWOOD SA 5067.
Minotaur Ventures PtyLtd(A.C.N.: 108 925 382)	See below (c)	C/- HLB Mann Judd StephensPty Ltd, 82 Fullarton Road,NORWOOD SA 5067.
Minotaur Uranium Pty Ltd(A.C.N.: 117 674 576)	See below (c)	C/- HLB Mann Judd StephensPty Ltd, 82 Fullarton Road,NORWOOD SA 5067.

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, Minotaur Operations Pty Ltd, Minotaur Ventures Pty Ltd and Minotaur Uranium Pty Ltd.
• c. Taken under 608(3)(a) of the Corporations Act to have a relevant interest by reason of an associate, Minotaur Exploration Ltd having voting power above 20% in Minotaur Resources Investments Pty Ltd, Minotaur Operations Pty Ltd, Minotaur Ventures Pty Ltd and Minotaur Uranium Pty Ltd.

Signature

Print Name: DONALD STEPHENS

Capacity: COMPANY SECRETARY

Sign Here

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Danvier Atephen

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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

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Holder of relevantinterest	Registered holderof securities	Nature ofrelevantinterest (6)	Class andnumber ofsecurities	Person'svotes
MinotaurResourcesInvestments Pty Ltd	MinotaurResourcesInvestments Pty Ltd	See below(a)	22,500,001OrdinaryShares	40.9%
MinotaurExploration Ltd	MinotaurResourcesInvestments Pty Ltd	See below(b)	22,500,001OrdinaryShares	40.9%
Minotaur OperationPty Ltd	MinotaurResourcesInvestments Pty Ltd	See below(c)	22,500,001OrdinaryShares	40.9%
Minotaur VenturesPty Ltd	MinotaurResourcesInvestments Pty Ltd	See below(c)	22,500,001OrdinaryShares	40.9%
Minotaur UraniumPty Ltd	MinotaurResourcesInvestments Pty Ltd	See below$\left( c\right)$	22,500,001OrdinarvShares	40.9%

4. Present relevant interests

Nature of Relevant Interest (6)

• 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, Minotaur Operations Pty Ltd, Minotaur Ventures Pty Ltd and Minotaur Uranium Pty Ltd.
• c. Taken under 608(3)(a) of the Corporations Act to have a relevant interest by reason of an associate, Minotaur Exploration Ltd having voting power above 20% in Minotaur Resources Investments Pty Ltd, Minotaur Operations Pty Ltd, Minotaur Ventures Pty Ltd and Minotaur Uranium Pty Ltd.

Signature

Print Name: DONALD STEPHENS

Capacity: COMPANY SECRETARY

Sign Here

$\mathcal{L}$

Dandor Holm

Date $\frac{\partial}{\partial x}$ of $\frac{\partial}{\partial y}$

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$^{\mu}$ C $^{\mu}$

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

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5. Changes in association

Company Name	A.C.N	Nature ofassociation	Details of change
MinotaurResources Ltd	091 504 497	N/A	No longer having control ofMinotaur ResourcesInvestments Pty Ltd after in-specie distribution of MinotaurExploration Ltd sharespursuant to scheme ofarrangement.
MinotaurResourcesHoldings Pty Ltd	091 525 343	N/A	No longer an associate ofMinotaur ResourcesInvestments Pty Ltd after in-specie distribution of MinotaurExploration Ltd sharespursuant to scheme ofarrangement.
Minex (SA) Pty Ltd	091 546 691	N/A	No longer an associate ofMinotaur ResourcesInvestments Pty Ltd after in-specie distribution of MinotaurExploration Ltd sharespursuant to scheme ofarrangement.
Minotaur UraniumPty Ltd	117 674 576	See below(a)	Incorporation of proprietarycompany.

a. Taken under 608(3)(a) of the Corporations Act to have a relevant interest by reason of an associate, Minotaur Exploration Ltd having voting power above 20% in Minotaur Resources Investments Pty Ltd, Minotaur Operations Pty Ltd, Minotaur Ventures Pty Ltd and Minotaur Uranium Pty Ltd.

Signature

Print Name: DONALD STEPHENS

Capacity: COMPANY SECRETARY

Sign Here

Denere Arthur Date 2/01/06

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

6. Addresses

Company Name and ACN	Address (Registered Office)
Minotaur Resources Investments PtyLtd (A.C.N: 108 483 683)	C/- HLB Mann Judd Stephens Pty Ltd,82 Fullarton Road, NORWOOD SA5067.
Minotaur Exploration Ltd(A.C.N.: 108 483 601)	C/- HLB Mann Judd Stephens Pty Ltd,82 Fullarton Road, NORWOOD SA5067.
Minotaur Operation Pty Ltd(A.C.N. 108 925 284)	C/- HLB Mann Judd Stephens Pty Ltd,82 Fullarton Road, NORWOOD SA5067.
Minotaur Ventures Pty Ltd(A.C.N.: 108 925 382)	C/- HLB Mann Judd Stephens Pty Ltd,82 Fullarton Road, NORWOOD SA5067.
Minotaur Uranium Pty Ltd(A.C.N.: 117 674 576)	C/- HLB Mann Judd Stephens Pty Ltd,82 Fullarton Road, NORWOOD SA5067.

Signature

Print Name: DONALD STEPHENS

Capacity: COMPANY SECRETARY

Sign Here

Denver Jeffer Date 9/04/06

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