ORBMINCO LIMITED — Capital/Financing Update 2013

Apr 9, 2013

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ASX Release

10th April 2013

AusAmerican to raise $1.6 million in placement

United States-focused diversified explorer Australian-American Mining Corporation Limited (ASX: AIW) (“AusAmerican” or “the company”) is pleased to announce that it has agreed to raise $1.6 million by way of a placement to clients of joint lead managers Peloton Capital Pty Ltd and DJ Carmichael Pty Ltd.

The placement will be done in two tranches at 2.8 cents per share with one free option for every two shares subscribed for. The options will be exercisable on or before 1 March 2015 and will be exercisable at 9 cents. These options will be unlisted however the company intends applying to the ASX to have them quoted.

Under listing rules 7.1 and 7.1A, the company can issue 45,698,167 shares without shareholder approval to raise $1,279,549 before costs. These shares will be issued in the next few days. The remaining shares to be issued and the attaching free option will be subject to shareholder approval which will be voted on at a General Meeting of the company to be held in May 2013.

The company is pleased with the strong commitment of the joint lead managers Peloton Capital and DJ Carmichael and thank them for their support. The company will re-commence trading on Wednesday 10 April.

The company has had extremely encouraging results from its drilling program at its flagship Blue Bell project in Arizona. Mineralisation has occurred in 11 of the 12 holes reported to date. The company is awaiting results from the remaining holes completed in the initial drilling program and will receive these in the next 4- 6 weeks.

Funds raised in this placement will be used for further drilling, exploration, mapping and sampling of De Soto and the Gap, a geophysical program over the entire project and to pay the first option payment.

Sincerely,

Richard Holmes Managing Director

Australian American Mining Corporation Ltd ABN 99 073 155 781 572 Hay Street, Perth, WA, Australia, 6000 PO Box 1788, West Perth, WA, Australia, 6872 Telephone: (08) 9481 0799 Facsimile: (08) 9481 1927

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About Australian American Mining Corporation

AusAmerican Mining is a multi-commodity international exploration company. All of its projects are currently located in the United States of America (“USA”).

The company’s copper/gold projects are:

• Bluebell (option to purchase 100%) - Arizona

• De Soto (option to purchase 100%) - Arizona

• San Marcos (100%, Pelican Resources earning up to 100%) - Arizona

• Bernard (90%) - Arizona

The company’s uranium projects are:

• Rio Puerco (100%) - New Mexico

• Grants Ridge JV (earning 65%) - New Mexico

• Kit Carson (100%) - New Mexico

• Northern project (100%) - New Mexico

• Apex/Lowboy (100%) – Nevada

• Lone Star JV (90%) – Texas

• Apache Basin (100%) – Arizona

The company’s REE/speciality metals projects:

• La Paz - Arizona.

• White Picacho – Arizona

ENDS

For further information, please contact: Richard Holmes Managing Director +61 8 9481 0799

rholmes@ausamerican.com

Australian American Mining Corporation Ltd ABN 99 073 155 781 572 Hay Street, Perth, WA, Australia, 6000 PO Box 1788, West Perth, WA, Australia, 6872

Telephone: (08) 9481 0799 Facsimile: (08) 9481 1927