PTR MINERALS LTD — Major Shareholding Notification 2006

Dec 6, 2006

Form 604

Comorations Act 2001 Section 6718.

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 LTD108 483 683
ACN/ARSN (if applicable)
There was a change in the interests of thesubstantial holder onThe previous notice was given to the company onThe previous notice was dated	$6$ $/12$ $/2006$/2 / 20068/2 / 20068

2. Prayfous 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) and a relevant interest (3) $\vert$ in

Class of securities (4)	Previous notice		Present redice
	Person's votes:	Voting power [5]	Person's votes!	Veting power (5)
ORDINARY SHARES	17,500,001	40.90 %	17,500,001	35.09 %

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 retice to the company or scheme are as follows:

Date ofchange	Person whoserelevant interest.changed	Nature ofchange (6)	Considerationciven in relationto change (7)	Class andnumber ofsecurities -affected	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 ofrelevant.interest	Registeredholder ofsecurities	Person entitledto be registered.as holder (8).	Nature ofrelevant.interest (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 votinginterests in the company or scheme are as fo

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	Vendo Hegans	200612.date

DIRECTIONS

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 $(1)$ 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

$``{\mathbf A}"$ 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
06/12/06	MinotaurResourcesInvestments Pty Ltd	Dilution ofholding duetoplacement	Not applicable	17,500,001OrdinaryFully PaidShares	17,500,001
06/12/06	MinotaurExploration Ltd	Dilution ofholding duetoplacement	Not applicable	17,500,001OrdinaryFully PaidShares	17,500,001

Signature

Print Name: DONALD STEPHENS

Capacity: COMPANY SECRETARY

Sign Here

Denalo Aughens

7 December 2006 Date

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

	г гезені тегеуані півгезіз поветз
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	17,500,001OrdinaryFully PaidShares	17,500,001
MinotaurExplorationLtd	MinotaurResourcesInvestmentsPty Ltd	MinotaurResourcesInvestmentsPty Ltd	See $(b)$below	17,500,001OrdinaryFully PaidShares	17,500,001

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

Denald Auguens

7 December 2006 Date ....................................

${}^{\alpha}B^{\alpha}$

$"C"$ 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

Sign Here

Donald Asythers

7 December 2006 Date ....................................