Nyrstar NV

Major Shareholding Notification • Aug 31, 2011

FORM TR-1 BE PART I

1) Status of the notification
	Final
2) Issuer
Identification number 0888-728-945	Name NYRSTAR
3) Reason for the notification
	Acquisition or disposal of voting securities or voting rights
	Downward crossing of the lowest threshold
4) Notification by
	A parent undertaking or a controlling person		÷
5) Persons subject to the notification requirement
	Name (& legal form for legal persons)	Address (for legal persons)
	UBS AG	Bahnhofstrasse 45, 8001 Zurich	$\bullet$
	6) Persons that dispose of, voting rights (Only to be filled in if art. 7 of the Law applies)
	Name (& legal form for legal persons)	Address (for legal persons)
			S.
	Please continue entering the information in part II concerning the	Click persons referred to in points 5 and 6
7) Date on which the threshold is crossed
	23.08.2011	(DD/MM/YYYY)
8) Threshold that is crossed (in %)
	3
	If the holding has fallen below the lowest threshold, you have the option of not filling in point 10
9) Denominator
	170'022'544
	Please enter the denominator before filling in the data

ł.

10) Notified details

A) Voting rights	Previous notification		After the transaction
	# of voting rights		# of voting rights		% of voting rights
Holders of voting rights		Linked to securities	Not linked to the securities	Linked to securities	Not linked to the securities
UBS AG	2'156'339		35'949		0.02%
CCR Asset Management	1'712'087		1'692'592		1.00%
UBS Fund Management (Switzerland) AG	706'743		733'274		0.43%
UBS Fund Services (Luxembourg) SA	647'059		466'331		0.27%
UBS Global Asset Management (Americas) Inc.	66'109		33'469		0.02%
UBS Global Asset Management (Deutschland) GmbH	139'971		220'006		0.13%
UBS Global Asset Management (Japan) Ltd.	32'220		56'330		0.03%
UBS Global Asset Management (UK) Limited	1'160'876		1'293'662		0.76%
UBS O'Connor Limited	146'215		0		0.00%
subtotal	6'767'619		4'531'613		2.67%
TOTAL		$\Omega$	4'531'613	0.00%	2.67%

Start with "groups" of holders. Calculate subtotals and then finish with the
persons who are "alone".
The totals, subtotals and % will be updated once you have clicked on

B) Equivalent financial instruments	After the transaction
Holders of equivalent financial instruments	Type of financial instrument	Expiration date	Exercise period or date	# of voting rights that may be acquired if the instrument is exercised	% of voting rights
	TOTAL		(in relation to all expiration dates)	$\circ$	0.00%

The totals will be updated once you have clicked on

TOTAL (Voting rights & Equivalent financial (instruments)		# of voting rights	% of voting rights
	CALCULATE	4'531'613	2.67%

11) Chain of controlled undertakings through which the holding is effectively held, if applicable

Please describe, or join a diagram in attachment

Please see attachment

12) In case of proxy voting for only one GM

Holder

will cease to hold /
will hold again

$\circ$

voting rights as of

13) Additional information

	A) Convertible bonds and rights to subscribe to voting securities not yet issued
Holder	Type of financial instrument	Expiration date (DD/MM/YYYY)	Exercise/Conversion period or date	Number	# of voting rights that may be acquired if the instrument is exercised/converted
B) Shares without voting rights
Holder	Number
	All legal entities under item 10.A are acting as custodians and they can exercise the related voting rights at their own discretion in the absence of specific instructions from the securities holders (within the
	Opfikon, Switzerland
		29.08.2011 (DD/MM/YYYY)
C) Remarks meaning of Article 7, para 1, 4° Law 2/05/2007). Done at On Name & capacity

Hendrik Marenbach / Authorized Officer

Signature

$\overline{\phantom{a}}$

$\frac{1}{2}$ $\overline{\mathcal{M}}$ .

Chain of Controlled Undertakings through which the shares are effectively held:

Please note that the chain of control below indicates the ultimate/effective holders in bold font, whereas the legal entities indicated in normal font hold the shares indirectly via their subsidiaries.

UBS AG (directly)

UBS AG indirectly through

• UBS Global Asset Management Holding (No. 2) Ltd, 21 Lombard Street, London EC3V 9AH, United Kingdom indirectly through
• UBS Global Asset Management Holding Ltd, 21 Lombard Street, London EC3V 9AH, United $\Omega$ Kingdom indirectly through
  • UBS Global Asset Management (UK) Ltd, 21 Lombard Street, London EC3V $\blacksquare$ 9AH, United Kingdom
• UBS Fund Management (Switzerland) AG, Brunngässlein 12, 4052 Basel, Switzerland $\bullet$
• UBS Fund Services (Luxembourg) S.A., 33A avenue J.F. Kennedy, 1855 Luxembourg
• UBS International Holdings BV, Herengracht 600, 1017 CJ Amsterdam, Netherlands indirectly through
• UBS Holding (France) SA, 65 Rue de Courcelles, 75008 Paris, France indirectly through
  • CCR Asset Management, 44 rue de Washington, 75008 Paris, France)
• UBS Beteiligungs-GmbH & Co. KG Stephanstrasse 14 16, 60313 Frankfurt am Main Germany $\bullet$ indirectly through
• UBS Global Asset Management (Deutschland) GmbH, Stephanstrasse 14 16, 60313 $\Omega$ Frankfurt am Main Germany
• UBS Global Asset Management (Japan) Ltd, Otemachi First Square, 5-1 Otemachi 1-chome $\bullet$ Chiyoda-ku, Tokyo 100-0004 Japan
• UBS Americas Inc., Corporation Service Company, 2711 Centerville Road, Suite 400, Wilmington $\bullet$ 19808, Delaware, USA indirectly through
• $\circ$ UBS Global Asset Management (Americas) Inc., The Corporation Trust Company. Corporation Trust Center, 1209 Orange Street, Wilmington DE 19801, Delaware, USA