AUREKA LIMITED — Capital/Financing Update 2012

Feb 19, 2012

ASX Release – 20 February 2012

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Navarre Minerals and Castlemaine Goldfields

finalise Farm-In Agreements

Castlemaine Goldfields Limited (ASX Code: CGT) announces today that formal Farm-In Agreements have been signed by the Company and Stawell-based gold exploration company Navarre Minerals Limited (ASX Code: NML) in respect of Castlemaine’s prospective Raydarra and Sebastian Gold Projects (“Projects”) near Bendigo in Victoria. The Projects are along strike from the 22 million ounce Bendigo Goldfield and south of Navarre’s exciting Tandarra prospect, part of Navarre’s Bendigo North Project (Figure 1).

As announced in November 2011, the Farm-In Agreement for the Raydarra Project (EL 5266) provides for Navarre to earn a 51% interest by the expenditure of $300,000 over two years. Navarre may elect to earn an additional 24% interest by the expenditure of a further $600,000 over three subsequent years, for a total interest of 75%.

The Farm-In Agreement for the Sebastian Project (ELs 4974, 4536, 3105 & 5335) provides for Navarre to earn a 51% interest by the expenditure of $100,000 over two years. Navarre may elect to earn an additional 24% interest by the expenditure of a further $300,000 over three subsequent years, for a total interest of 75%.

Navarre’s Managing Director, Mr Geoff McDermott, and Castlemaine Goldfields’ Managing Director and CEO, Matthew Gill, commented: “We are delighted to have finalised these Farm-In Agreements that will allow us to partner in a mutually beneficial arrangement.”

Navarre announced a $4.2m exploration program at Tandarra in September 2011, a program of approximately 50,000 metres of air-core, reverse circulation and diamond drilling. There are currently two RC rigs at Tandarra and a further diamond drill rig is expected to commence operation later this month. The Company is using advanced geophysical techniques to target near surface quartz reef structures at Tandarra, immediately north from the Farm-In projects.

For further information contact:

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COMPANY DETAILS

Principal and Registered Office Castlemaine Goldfields Ltd 10 Woolshed Gully Drive Mount Clear, VIC, 3350

Postal Address PO Box 98 Mount Clear, VIC, 3350

Website www.cgt.net.au

Email info@cgt.net.au

Phone (03) 5327 2555

Facsimile (03) 5327 2556

ABN 45 073 531 325

ASX CODE: CGT

Corporate Information Shareholders ~2,000 Shares on Issue 264.6 million Options (unlisted) 290,000

Directors: Non-Executive Chairman : Gary Scanlan Managing Director : Matthew Gill Non-Executive Directors : Drew Henry Peter McCarthy Peter Lester

Matthew Gill Managing Director & CEO, Castlemaine Goldfields Limited

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FIGURE 1: Location map of Navarre’s Tandarra prospect (part of the 100% owned Bendigo North Project), showing the proximity of Castlemaine’s Raydarra and Sebastian Projects (marked in green).

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ABOUT CASTLEMAINE GOLDFIELDS LIMITED

Castlemaine Goldfields Limited (CGT) holds significant exploration titles encompassing five substantial goldfields in Central Victoria. This land holding gives the Company access to two of the three largest historical gold producing areas in Victoria (totaling some 17 million ounces of gold). CGT has 100% of the Ballarat, Castlemaine, Tarnagulla, Berringa and Sebastian Goldfields (the later subject to a JV), with approved Mining and Exploration Licences over the key areas.

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CGT’s five gold projects within the Central Victorian Goldfields shown in blue with past production for the 3 prominent goldfields.

The primary focus is to return the Ballarat Gold project to production at a targeted annualised rate of approximately 50,000 ounces per year during the second half of 2012. Resumption of mine development commenced in March 2011 with first ore accessed mid-year and initial gold production occurring in September 2011.

The first JORC Code Inferred Resource estimate for the Mako Lode in the Ballarat mine was updated in January 2012 to 121,000 tonnes at 10.0g/t Au for 38,300 ounces of gold, and will underpin production for the mine in 2012 (ASX:CGT release 30[th] January 2012).

An Independent Technical Review in late 2011 by Snowden Mining Consultants quantified Exploration Targets beyond the Mako Lode Resource at Ballarat in the range of 400,000t to 750,000t at a grade of between 4 g/t and 8 g/t, for between 70,000 and 165,000 ounces of gold. Note that Exploration Targets are conceptual in nature and there is insufficient information to establish whether further exploration, either by drilling or mine access into the mineralisation will result in the determination of a Mineral Resource or Ore Reserve (ASX:CGT release 18[th] November 2011).

It is anticipated that with further exploration success a similar rate of gold production could also be sourced from the Castlemaine goldfield. Substantial value will be added to the Ballarat project from resource discoveries and development of CGT’s other existing Central Victorian projects.

The inaugural JORC Code Inferred Resource estimate for the Chewton Deposit, and remnants at the Wattle Gully Mine at Castlemaine, totaling 686,000 ounces of gold was announced in 2008 (ASX:CGT release 2[nd] June 2008).