PTR MINERALS LTD — Investor Presentation 2007

Aug 2, 2007

ASX Announcement

2 August 2007

PETRATHERM LTD AUDIO STREAM

PETRATHERM LTD (PTR) provides the opportunity to listen to an audio broadcast with Mr Terry Kallis, MD and Boardroomradio in a presentation titled "Hot Rocks Presentation" .

To listen , simply click on the link below:

http://www.brr.com.au/event/PTR/1080/26352/wmp/hx9w489fb0

The presentation details are as follows:

• Hot Rocks Presentation

• Presented by Mr Terry Kallis, MD

• Thursday 2 August 2007, 17:00 AEST

Boardroomradio offers many free services, such as:

• Boardroomradio Alerts

• Easy access to archived presentations on demand

• Podcast subscription with daily updates

Visit http://www.brr.com.au for more