ORBMINCO LIMITED — Capital/Financing Update 2013

Apr 4, 2013

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ASX Release

5th April 2013

Extension of voluntary suspension

On the 4[th] April 2013, United States-focused diversified explorer Australian-American Mining Corporation Limited (ASX: AIW) (“AusAmerican” or “the company”) requested a voluntary suspension in the company’s securities until 7.00am on Monday 8[th] April 2013. The company today requests an extension in the voluntary suspension until 7am Tuesday 9[th] April in order to complete its capital raising.

Sincerely,

Richard Holmes Managing Director

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

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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• 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