Exhibit EX-99.3

Form of Proxy — Annual and Special General Meeting to be held on Thursday, June 13, 2013

Every holder has the right to appoint some other person or company of their choice, who need not be a holder, to attend and act on their behalf at the meeting or any adjournment or postponement thereof. If you wish to appoint a person or company other than the persons whose names are printed herein, please insert the name of your chosen proxyholder in the space provided (see reverse).

If the securities are registered in the name of more than one owner (for example, joint ownership, trustees, executors, etc.), then all those registered should sign this proxy. If you are voting on behalf of a corporation or another individual you must sign this proxy with signing capacity stated, and you may be required to provide documentation evidencing your power to sign this proxy.

This proxy should be signed in the exact manner as the name(s) appear(s) on the proxy.

If this proxy is not dated, it will be deemed to bear the date on which it is mailed by Management to the holder.

The securities represented by this proxy will be voted as directed by the holder, however, if such a direction is not made in respect of any matter, this proxy will be voted as recommended by Management.

The securities represented by this proxy will be voted in favour or withheld from voting or voted against each of the matters described herein, as applicable, in accordance with the instructions of the holder, on any ballot that may be called for and, if the holder has specified a choice with respect to any matter to be acted on, the securities will be voted accordingly.

This proxy confers discretionary authority in respect of amendments or variations to matters identified in the Notice of Meeting or other matters that may properly come before the meeting or any adjournment or postponement thereof.

This proxy should be read in conjunction with the accompanying documentation provided by Management.

Proxies submitted must be received by 10:00 AM (Pacific Time) on June 11, 2013.

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Voting by mail may be the only method for securities held in the name of a corporation or securities being voted on behalf of another individual.

Voting by mail or by Internet are the only methods by which a holder may appoint a person as proxyholder other than the Management nominees named on the reverse of this proxy. Instead of mailing this proxy, you may choose one of the two voting methods outlined above to vote this proxy.

To vote by telephone or the Internet, you will need to provide your CONTROL NUMBER listed below.

as my/our proxyholder with full power of substitution and to attend, act and to vote for and on behalf of the shareholder in accordance with the following direction (or if no directions have been
given, as the proxyholder sees fit) and all other matters that may properly come before the Annual and Special General Meeting of shareholders of North American Nickel Inc. to be held at
Suite 1750, 1185 West Georgia Street, Vancouver, British Columbia, on Thursday, June 13, 2013 at 10:00 AM (Pacific Time) and at any adjournment or postponement thereof.

For

Against

1. Number of Directors

To set the number of Directors at seven (7).

2. Election of Directors

For

Withhold

For

Withhold

For

Withhold

01. Richard J. Mark

02. Mark Fedikow

03. Edward D. Ford

04. John Roozendaal

05. James Clucas

06. Douglas E. Ford

07. Gilbert Percy Clark

For

Withhold

3. Appointment of Auditors

Appointment of Dale Matheson Carr-Hilton LaBonte LLP as Auditors of the Company for the ensuing year and authorizing the

Directors to fix their remuneration.

For

Against

4. Stock Option Plan

Approve the Company’s Stock Option Plan, which makes a total of 10% of the issued and outstanding shares of the Company

available for issuance thereunder.

For

Against

5. Second Tranche of Private Placement

To consider and if thought fit pass, with or without amendment, a resolution of the majority of the minority shareholders

approving the Second Tranche of the up to $7,500,000 non-brokered private placement that includes participation of certain

insiders of the Company, being a related party transaction as more particularly described in the Information Circular.

For

Against

6. Other Business

To grant the proxyholder authority to vote at his/her discretion on any amendment to the previous resolutions, or any other

matters which may properly come before the Meeting.

Authorized Signature(s) — This section must be completed for your

Signature(s)

Date

instructions to be executed.

I/We authorize you to act in accordance with my/our instructions set out

above. I/We hereby revoke any proxy previously given with respect to the

Meeting. If no voting instructions are indicated above, this Proxy will be

voted as recommended by Management.

Interim Financial Statements - Mark this box

Annual Financial Statements - Mark this

if you would like to receive Interim Financial

box if you would like to receive the Annual

Statements and accompanying Management’s

Financial Statements and accompanying

Discussion and Analysis by mail.

Management’s Discussion and Analysis by mail.

If you are not mailing back your proxy, you may register online to receive the above financial report(s) by mail at www.computershare.com/mailinglist.

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Appointment of Proxyholder
I/We, being holder(s) of North American Nickel Inc. hereby appoint: Richard J. Mark, or failing him, Douglas E. Ford,	OR	Print the name of the person you are appointing if this person is someone other than the Chairman of the Meeting.


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