Fi r s t Ur a n i u m Corpor a t ion NEWS RELEASE - February 21, 2013 First Uranium announces Second Distribution to Shareholders

Toronto and Johannesburg - First Uranium Corporation (NEX:FIU.H), (JSE:FUU) (ISIN:CA33744R5087) ("First Uranium" or "the Corporation") announces that it will make a second distribution (the "Distribution") on March 18, 2013 of Cdn$0.102 per unit to shareholders of the Corporation in the form of a redemption of the Class A Special Shares. Holders of the units (the "Units") of record as of the close of business on March
15, 2013 (the "Record Date") will be entitled to receive the Distribution. For details of the initial distribution to shareholders, please see the Corporation's news release dated September 11, 2012, a copy of which is available on SEDAR.
Each Unit is currently comprised of 87.5 Class A Special Shares and 1 Class B Common Share. The Corporation will redeem pro rata 10.2 Class A Special Shares (the "Redemption") for every 87.5 of the Class A Special Shares of First Uranium held by each shareholder on the Record Date at a price per Class A Special Share of Cdn$0.01 for a total of Cdn$0.102 per Unit. Following the Redemption, each Unit will be comprised of
77.3 Class A Special Shares and 1 Class B Common Share. There will be no reduction in the number of Units held by a shareholder as a result of the Redemption.
Holders of Units recorded on the register maintained by Computershare Investor Services Proprietary Limited and traded on the JSE Limited will receive the Distribution in South African rand at a price per Class A Special Share of ZAR0.087156 for a total of ZAR0.88899 per Unit.
No share certificates may be transferred between the Canadian share register and the South African share register between March 11, 2013 and March 15, 2013, both days inclusive. In addition, no share certificates registered on the South African share register may be dematerialized/rematerialized during this period.
Shareholders will receive the Distribution as a return of stated capital on the Class A Special Shares. See the Corporation's Management Information Circular dated May 4,
2012 for additional information concerning certain Canadian federal income tax consequences of the Distribution, a copy of which is available on SEDAR.
Shareholders will not be required to surrender share certificates representing the Units in order to receive the Distribution. The Corporation, through its transfer agent, will record the Redemption of Class A Special Shares on the Corporation's share register.

For further information:

Mary Batoff: (416) 306