DOTZ NANO LIMITED — Major Shareholding Notification 2012

Feb 7, 2012

Form 604 Corporations Act 2001 Section 671B Notice of change of interests of substantial holder

To: Northern Iron Limited ACN: 125 264 575 ASX Code: NFE

1. Details of substantial holder

Name: IOOF Holdings Limited ACN: ACN 100 103 722

This notice is given by IOOF Holdings Limited on behalf of itself and its subsidiaries.

There was a change in the interest of the substantial holder on: 03/02/2012 The previous notice was given to the company on: 30/01/2012 The previous notice was dated: 25/01/2012

2. Previous and present 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 when last required and when now required to give a substantial holding notice to the company or scheme, are as follows:

Class of securities	Previous notice		Present notice
	Person's votes	Voting Power	Person's votes	Voting Power
Ordinary	23,747,770	6.419%	18,931,870	5.117%

3. Changes in relevant interests

Particulars of each change in, or change in the nature of, a relevant interest of the substantial holder or an associate in voting securities of the company or scheme, since the substantial holder was last required to give a substantial holding notice to the company or scheme are as follows:

Person	Nature	Consideration	Class & number (ord)	Person's votes
Perennial Investment Partners Limited (ACN 087 901620)	Sold on market	-$ 470,828.39	- 619,867	- 619,867
Perennial Investment Partners Limited (ACN 087 901620)	Sold on market	-$ 836.59	- 1,102	- 1,102

2

1/02/2012	Perennial Investment Partners Limited (ACN 087 901620)	Sold on market	-$ 211,937.33	- 279,172	- 279,172
2/02/2012	Perennial Investment Partners Limited (ACN 087 901620)	Sold on market	-$ 546,339.94	- 719,667	- 719,667
3/02/2012	Perennial Investment Partners Limited (ACN 087 901620)	Sold on market	-$ 2,488,005.40	- 3,196,092	- 3,196,092

4. Present Relevant Interests

Particulars of each relevant interest of the substantial holder in voting securities after the change are as follows:

Holder	Registered holder of securities	Person Entitled to be holder	Nature of relevant interest	Class & Number (Ord)	Person's votes
Perennial Investment Partners Limited (ACN 087 901620)	Northern Trust		InvestmentManager	4,907,814	4,907,814
Perennial Investment Partners Limited (ACN 087 901 620)	NAB Asset Servicing		Investment Manager	5,690,498	5,690,498
Perennial Investment Partners Limited (ACN 087 901620)	JP Morgan		InvestmentManager	209,081	209,081
Perennial Investment Partners Limited (ACN 087 901620)	Citigroup		Investment Manager	3,637,358	3,637,358
Perennial Investment Partners Limited (ACN 087 901 620)	BNP		Investment Manager	4,375,744	4,375,744
IOOF Investment Management Limited (ACN 006 695 021)	IOOF Investment Management Limited (ACN 006 695 021)		InvestmentManager	111,375	111,375

5. Changes in association

The persons who have become associates of, ceased to be associates of, or have changed the nature of their association with, the substantial holder in relation to voting interests in the company or scheme are as follows:

Name & ACN	Nature of association
Not applicable

3

6. Addresses

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

Name	Address
Northern Iron Limited	Level 3, 3 Ord St West Perth, WA 6005
IOOF Holdings Limited	Level 6, 161 Collins Street Melbourne VIC 3000
IOOF Investment Management Limitied	Level 6, 161 Collins Street MelbourneVIC 3000
Perennial Investment Partners Limited	Level 24, 303 Collins Street MelbourneVIC 3000