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


To Company Name/Scheme Mirabela Nickel Limited

ACN/ARSN ACN 108 161 593

1. Details of substantial holder (1)

Name Wellington Management Group LLP ("Wellington Management"), and its related bodies corporate

ACN/ARSN (if applicable)

There was a change in the interests of the substantial holder on

04/08/15

The previous notice was given to the company on

22/07/15

The previous notice was dated

21/07/15

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 (2) had a relevant interest (3) 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 (4)

Previous Notice

Present Notice

Person's votes

Voting power (5)

Person's votes

Voting power (5)

Ordinary Shares

76,846,474

8.26%

86,461,040

9.29%

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:

Date of change

Person whose relevant interest changed

Nature of change (6)

Consideration given in relation to change (7)

Class and number of securities affected

Person's votes affected

See Exhibit B

4. Present relevant interests

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

Holder of relevant interest

Registered holder of securities

Person entitled to be registered as holder (8)

Nature of relevant interest (6)

Class and number of securities

Person's votes

Wellington

Management

Unknown

Unknown

investment/voting authority (see example agreement attached as Exhibit A) in respect of the ordinary shares issued and allotted pursuant to the Scheme

of Arrangement approved by the supreme court of South Australia on 21 June

2002

86,461,040

Ordinary Shares

9.29%

5. Changes in association

The persons who have become associates (2) of, ceased to be associates of, or have changed the nature of their association (9) with, the substantial holder in relation to voting interests in the company or scheme are as follows:

Name and ACN/ARSN (if applicable)

Nature of association

N/A

6. Addresses

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

Name

Address

Wellington Management

c/o Wellington Management Company LLP, 280 Congress Street, Boston MA

02210, USA

Signature

print name John D. Norberg capacity Authorized Person

sign here date 05/08/15

Exhibit A

Appointment of Wellington Management as Manager/ Acceptance of Appointment

Discretionary Authority - Investments

Wellington Management Group LLP ("Wellington Management") Investment Management Agreement

The Clients hereby appoint Wellington Management as investment manager to manage, supervise and direct the Clients' investment account or accounts (collectively, the "Account") under the terms and conditions set forth in the agreement. By execution of the Agreement, Wellington Management accepts appointment as investment manager and agrees to manage, supervise and direct the investments of the Account pursuant to the provisions of the Agreement.

Wellington Management shall have full and complete discretion to manage, supervise and direct the investment and reinvestment of assets in the Account and any additions thereto, subject to the investment objectives and guidelines attached to the Agreement. Wellington Management shall have full power

and authority to act on behalf of the Account with respect to the purchase, sale, exchange, conversion or other transactions in any and all stocks, bonds, cash held for investment, and other assets, including shares of a registered investment company for which Wellington Management may act as investment adviser and, upon proper authorization by the Clients, interests in a collective trust maintained by a bank or trust company, including one maintained by an affiliate of Wellington Management. No cash or securities due to or held for

the Account shall be paid or delivered to Wellington Management, except in payment of the management fee payable to Wellington Management under the Agreements pursuant to procedures approved by the Clients.

Exhibit B

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:

Date of change

Person whose relevant interest changed

Nature of change (6)

Consideration given in relation to change (7)

Class and number of securities affected

Person's votes affected

22/07/15

Wellington

Management

Purchase

51,730 AUD

450,606 Ordinary

Shares

450,606

23/07/15

Wellington

Management

Purchase

67,797 AUD

589,538 Ordinary

Shares

589,538

24/07/15

Wellington

Management

Purchase

108,766 AUD

992,389 Ordinary

Shares

992,389

27/07/15

Wellington

Management

Purchase

37,123 AUD

340,263 Ordinary

Shares

340,263

28/07/15

Wellington

Management

Purchase

207,825 AUD

2,002,227 Ordinary

Shares

2,002,227

29/07/15

Wellington

Management

Purchase

40,247 AUD

395,128 Ordinary

Shares

395,128

30/07/15

Wellington

Management

Purchase

241,692 AUD

2,443,865 Ordinary

Shares

2,443,865

31/07/15

Wellington

Management

Purchase

46,385 AUD

472,350 Ordinary

Shares

472,350

03/08/15

Wellington

Management

Purchase

117,318 AUD

1,286,437 Ordinary

Shares

1,286,437

04/08/15

Wellington

Management

Purchase

57,502 AUD

641,763 Ordinary

Shares

641,763

distributed by