ORBMINCO LIMITED — Major Shareholding Notification 2011

Nov 17, 2011

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To:	ASX Company Announcements Platform	Fax:	1300 135 638
	&
	Ms Nerida Schmidt	Fax:	08 9325 5574
	AUSTRALIAN-AMERICAN MINING CORPORATION LIMITED ("AIW", Ordinary Fully Paid)
From:	Scott Martin	Fax:	$(02)$ 8225 5114
	Citigroup Global Markets Australia Pty Limited
Date:	18 November 2011	Pages:	3 (including cover sheet)
Subject:	Submission of Form 603 re: AUSTRALIAN-AMERICAN MINING CORPORATION LIMITED ("AIW", Ordinary Fully Paid)

If you do not receive all pages, please telephone on 61 2 8225 1472 This fax is confidential and may be privileged. If you are not the intended recipient, please notify the sender immediately by telephone.

TELEPHONE: 61 2 8225 1472 FACSIMILE: 61 2 8225 5114

	Form 603
Notice of initial substantial shareholder	Corporations Law Section 671B

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AUSTRALIAN-AMERICAN MINING CORPORATION LIMITED ("AIW", $To:$ Ordinary Fully Paid)

$1.$ Details of substantial shareholder

Citigroup Global Markets Australia Pty Limited (ACN 003 114 832) and each of the related bodies corporate in the Citigroup group of companies worldwide (for more details please visit www.citigroup.com).

The holder became a substantial holder on 16 November 2011.

$2.$ Details of voting power

The total number of votes attached to all the voting shares in the company or voting interests in the scheme that the substantial holder or an associate had a relevant interest in on the date the substantial holder became a substantial holder are as follows:

Class of securities	Number of securities	Person's vote	Voting Power
AIW, Ordinary Fully Paid	5.711.088	5.711.088	8.481%

3. Details of relevant interests

Holder of relevant interest	Nature of relevant interest	Class and number of securities
Citigroup Global Markets Australia Pty Limited	Citigroup Global Markets Australia Pty Limited holds a relevant interest in these shares pursuant to contracts entered into in the ordinary course of business on a stock market of a stock exchange, containing no terms and conditions other than standard terms and conditions.	5,711.088 AIW Ordinary Fully Paid

$\mathbf{4}$ Details of present registered holders

The persons registered as holders of the securities referred to in paragraph 3 above are as follows:

Holder of relevant interest	Registered holder of securities	Class and number of securities
Citigroup Global Markets Australia Pty Limited	Citigroup Global Markets Australia Pty Limited	5,711,088 AIW Ordinary Fully Paid Ordinary Fully Paid

5. Consideration

The consideration paid for each relevant interest referred to in paragraph 3 above, and acquired in the four months prior to the day that the substantial holder became a substantial holder is as follows:

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Holder of relevant	Date of	Consideration	Class and number
interest	acquisition		of securities
Citigroup Global Markets Australia Pty Limited	Various	Various	5,711,088 AIW Ordinary Fully Paid Ordinary Fully Paid

6. Associates

The reasons the persons named in paragraph 3 above are associates of the substantial holder are as follows:

Name and ACN/ARSN (if applicable)	Nature of association
Citigroup Global Markets Limited	Each of the related bodies corporate in the
	Citigroup group of companies worldwide (for more
	details please visit www.citigroup.com ).
Citigroup Global Markets Australia Pty	Each of the related bodies corporate in the
Limited, ACN 003 114 832	Citigroup group of companies worldwide (for more
	details please visit www.citigroup.com ).

7. Addresses

The addresses of persons named in this form are as follows:

Name	Address
Citigroup Global Markets Australia Pty	Level 22, Citigroup Centre
Limited	2 Park St Sydney NSW 2000

Dated this day, 18 November 2011.

Scott Martin Markets Compliance Citigroup Global Markets Australia Pty Limited