ANZON AUSTRALIA: Robert Leon, who was appointed as a director on December 13, has a direct interest in 325,000 ordinary shares and 200,000 options. These options will be released from escrow on December 15, 2006, and are exercisable at $0.45 on December 15, 2011.

BHP BILLITON: On December 7, MJ Kloppers acquired 225,000 performance shares under the long term incentive plan (LTIP) and 37,300 deferred shares under the group incentive scheme (GIS). Following these transaction, the total number of securities over which options or other rights held by Kloppers is 765,071 GIS and LTIP. Kloppers also has a direct interest in 440,183 ordinary shares and, as an executive director, also has a notifiable interest under the United Kingdom legislation in 220,857 shares in BHP Billiton Plc.

CARNARVON PETROLEUM: Edward Jacobson acquired 300,000 Ordinary shares for $22,800 in on market trade on December 8, taking his total holding, held directly, to 11,817,903 ordinary shares. Indirectly, he now holds a total of 2,895,890 ordinary shares, 4,000,000 7 cent unlisted options expiring March 31, 2008; 4,000,000 10 cent unlisted options expiring March 31, 2009 and 600,000 ordinary shares. Neil Fearis acquired 7,800 ordinary shares for $600.60 in On-market trade on December 12, taking his total holding, directly held, to 339,893 ordinary shares. Indirectly he now holds 5,668,493 ordinary shares, 2,000,000 7 cent unlisted options expiring March 31, 2008 and 2,000,000 10 cent unlisted options expiring March 31, 2009

ENTEK ENERGY: Russell Brimage was issued with 2,500,000 options expiring December 31, 2009 pursuant to approval at the AGM held on -November-28.. Following this issue, he now holds, indirectly, 226,493 ordinary shares, 4,000,000 options expiring –December 31, 2008 and 2,500,000 options expiring December 31, 2009.

EUROPEAN GAS: Morgan Stanley & Co International Ltd became a substantial shareholder on November 29, with a voting power of 5.06%, but ceased to be a substantial shareholder on December 6,

GREEN ROCK ENERGY: Perilya Limited increased its substantial shareholding to 24.5% on November 11.

HARDMAN RESOURCES: On December 8, Peter Raven acquired 250,000 ordinary shares via exercise of options, for a total consideration of $275,000. Following this conversion, he now holds, directly, a total of 350,000 ordinary shares.

IMDEX: Souls Private Equity Limited ceased to be a substantial shareholder on December 8.

IMPRESS ENERGY: Eddie Smith acquired 400,000 fully paid ordinary shares at 8.2-8.3 cents per share in on market trade between December 12 – 13. Following this transaction, he now holds, indirectly, 24,405,895 fully paid ordinary shares and 5 unlisted convertible notes –September 11, 2007

JACKGREEN: Babcock & Brown has committed to increase its holding in Jackgreen from 11.1% to 19.9% (subject to and following Foreign Investment Review Board (‘FIRB’) approval). The investment is by way of a private placement over two tranches. The first tranche taking Babcock & Brown’s holding to 14.9% occurred on December 13, and the second tranche is subject to, and will take place following FIRB approval. The shares were placed at 20 cents and will raise up to $2.9 million.

KAROON GAS AUSTRALIA: Robert Hosking acquired 500,000 ordinary fully paid shares on November 30, via conversion of 500,000 25 cent options. Following this conversion, he now holds, directly, 12,111,087 ordinary fully paid shares, 750,000 175 cent options expiring September 30, 2008, 750,000 200 cent options expiring September 30, 2008 and 750,000 235 cent options expiring September 30, 2008. Mark Smith acquired 500,000 ordinary shares on December 13, via conversion of 500,000 25 cent options. Following this conversion, he now holds, directly, 2,030,000 ordinary fully paid shares, 750,000 175 cent options expiring September 30/09, 2008, 750,000 200 cent options expiring September 30, 2008 and 750,000 235 cent options expiring September 30, 2008.

LION ENERGY: Paul Garner was granted 3,000,000 and Russell Brimage was granted 4,000,000 options expiring August 31, 2001 pursuant to issue approved by shareholders on November 20. Following this issue, Garner now holds, directly, a total of 3,000,000 options expiring August 31, 2011. Brimage now holds, directly and indirectly, a total of 5,440,000 ordinary shares and 4,000,000 options expiring August 31, 2011

NEXUS ENERGY: On November 30, Alastair Haydock, Michael Fowler, Robert Boyson and Neil Philip acquired 742,500 director options exercisable at 87 cents and expiring on October 31, 2007. Following this issue, Haydock holds directly 803,557 ordinary shares. Indirectly he now holds 91,334 ordinary shares and 742,500 87 cent options expiring October 31, 2007. Fowler now holds, indirectly, 2,337,199 ordinary shares and 742,500 87 cent options expiring October 31. 2007. Boyson now holds directly, 2,276,500 ordinary shares and 742,500 87 cent options expiring October 31, 2007. Philip now holds, directly, 742,500 87 cent options expiring October 31, 2007. Indirectly he now holds 3,513,796 ordinary shares, and 1,944,204 ordinary shares. Also on November 30, Ian Tchacos acquired 1,800,000 87 cent options expiring October 31, 2007. Following this issued, he now holds, indirectly, 4,731,518 ordinary shares and 1,800,000 87 cent options expiring October 31, 20007. In an on market transaction on December 7, Michael Fowler acquired 39,062 ordinary shares at 128 cents per share. Following this transaction, he now holds, indirectly, a total of 2,376,261 ordinary shares and 742,500 87 cent options expiring October 31, 2007.

OILEX: JPMorgan Chase & Co. and its affiliates increased its substantial shareholding to 8.36% on December 7.

ORCHARD PETROLEUM: UBS Nominees Pty Ltd and its related bodies corporate increased its substantial shareholding to 13.44% on December 8.

ORIGIN ENERGY: Commonwealth Bank of Australia and its subsidiaries increased their substantial shareholding to 6.89% on December 8.

QUEENSLAND GAS COMPANY: Dale Elphinstone acquired 2,000,000 ordinary shares for $2,873,354.86 in on market purchase on December 5, taking his total holding to 78,396,387 shares, 471,708 shares and 58,400 shares, held indirectly.

ROC OIL COMPANY: Commonwealth Bank of Australia and its subsidiaries became a substantial shareholder on December 5 with a voting power of 4.7%,

SANTOS: Michael O’Leary, who resigned as a director, effective December 15, retains a direct interest in 5,077 fully paid ordinary shares.

TAP OIL: UBS Nominees Pty Ltd and its related bodies corporate increased its substantial shareholding to 7.98% on December 12.