Fission Energy Corp. to Cease Trading Upon Close of Business April 29, 2013

Fission Energy Corp. to Cease Trading Upon Close of Business April 29, 2013 
KELOWNA, BRITISH COLUMBIA -- (Marketwired) -- 04/29/13 -- FISSION
ENERGY CORP. ("Fission" or the "Company") (TSX
common shares ("Fission Shares") will cease trading on the TSX-V upon
close of business on Monday, April 29, 2013 and are expected to be
de-listed shortly after that. 
Pursuant to the Arrangement between Fission and Denison Mines Corp.
("Denison"), each Fission Share held at the close of business on
April 29, 2013 will entitle the holder to 0.355 of a common share of
Denison ("Denison Shares"), a nominal cash amount of CDN$0.0001 and a
common share of a newly incorporated exploration company, Fission
Uranium Corp. ("Fission Uranium"). Fission Uranium's common shares
are expected to commence trading on the TSX-V on Wednesday, May 1,
2013 under the symbol "FCU". 
If you hold your Fission Shares through a broker or other person,
please contact that broker or other person for instructions and
assistance in receiving Denison Shares and Fission Uranium Shares in
respect of your Fission Shares. 
If you are a registered Fission shareholder, please complete and
return the Letter of Transmittal together with the certificate(s)
representing your Fission Shares and any other required documents and
instruments, to the depositary, Computershare Investor Services Inc.,
in accordance with the instructions set out in the Letter of
Transmittal. The Letter of Transmittal contains other procedural
information related to the Arrangement and should be reviewed
carefully. The Letter of Transmittal and Notice of Meeting and
Management Information Circular contain detailed information to
assist you in obtaining your Denison Shares and Fission Uranium
Shares and are available on Fission's SEDAR profile at
If you require assistance, you should consult your financial, legal,
or other professional advisors. In addition, you can contact
Computershare Investor Services Inc. at Toll Free: 1-800-564-6253
(North America); Phone: 1-514-982-7555 (Overseas); or Email: 
About Fission Energy Corp. & Denison Mines Corp. 
Fission Energy Corp. is a wholly owned subsidiary of Deniso
n Mines
Denison Mines Corp. is a uranium exploration and development company
with interests in exploration and development projects in Canada,
Zambia and Mongolia. Including the high grade Phoenix deposits,
located on its 60% owned Wheeler River project, Denison's exploration
project portfolio includes 51 projects and totals over 700,000
hectares in the Eastern Athabasca Basin region of Saskatchewan.
Denison's interests in Saskatchewan also include a 22.5% ownership
interest in the McClean Lake Joint Venture, which includes several
uranium deposits and the McClean Lake uranium mill, one of the
world's largest uranium processing facilities, plus a 25.17% interest
in the Midwest deposit and a 60% interest in the J-Zone deposit on
the Waterbury property. Both the Midwest and J-Zone deposits are
located within 20 kilometres of the McClean Lake mill.
Internationally, Denison owns 100% of the conventional heap leach
Mutanga project, in Zambia, and an 85% interest in the in-situ
recovery projects held by the Gurvan Saihan Joint Venture, in
Denison is engaged in mine decommissioning and environmental services
through its Denison Environmental Services (DES) division and is the
manager of Uranium Participation Corporation (TSX-U), a publicly
traded company which invests in uranium oxide in concentrates and
uranium hexafluoride 
Cautionary Statements 
Certain information contained in this press release constitutes
"forward-looking information", within the meaning of the United
States Private Securities Litigation Reform Act of 1995 and similar
Canadian legislation concerning the business, operations and
financial performance and condition of Denison. 
Generally, these forward-looking statements can be identified by the
use of forward-looking terminology such as "plans", "expects" or
"does not expect", "is expected", "budget", "scheduled", "estimates",
"forecasts", "intends", "anticipates" or "does not anticipate", or
"believes", or variations of such words and phrases or state that
certain actions, events or results "may", "could", "would", "might"
or "will be taken", "occur", "be achieved" or "has the potential to". 
Forward looking statements are based on the opinions and estimates of
management as of the date such statements are made, and they are
subject to known and unknown risks, uncertainties and other factors
that may cause the actual results, level of activity, performance or
achievements of Denison to be materially different from those
expressed or implied by such forward looking statements. Denison
believes that the expectations reflected in this forward looking
information are reasonable but no assurance can be given that these
expectations will prove to be correct and such forward looking
information included in this press release should not be unduly
relied upon. This information speaks only as of the date of this
press release. In particular, this press release may contain forward
looking information pertaining to the following: the estimates of
Denison's mineral reserves and resources; capital expenditure
programs; expectations regarding the toll milling of Cigar Lake ores;
exploration and development expenditures and reclamation costs;
expectations of market prices and costs; supply and demand for
uranium; possible impacts of litigation and regulatory actions on
Denison; exploration, development and expansion plans and objectives;
future royalty and tax payments and rates; Denison's expectations
regarding raising capital and adding to its mineral reserves and
resources through acquisitions and exploration; and receipt of
regulatory approvals, permits and licences under governmental
regulatory regimes. 
There can be no assurance that such statements will prove to be
accurate, as Denison's actual results and future events could differ
materially from those anticipated in this forward-looking information
as a result of those factors discussed in or referred to under the
heading "Risk Factors" in Denison's Annual Information Form dated
March 13, 2013, available at, and in its Form
40-F available at, as well as the following:
global financial conditions; the ability of Denison to meet its
obligations to its creditors and the uncertainty of funding;
volatility in the market price of the Company's shares and the risk
of dilution from future equity financings; the impact of volatility
in uranium prices on the valuation of Denison's mineral reserves and
resources and the market price of its shares; public acceptance of
nuclear energy and competition from other energy sources; failure to
realize benefits from transactions; competition for properties; the
imprecision of mineral reserves and resources estimation; Denison's
ability to expand and replace its mineral reserves and resources;
uncertainty as to reclamation and decommissioning liabilities;
reliance on other operators; technical innovation rendering Denison's
products and services obsolete; property title risk; liabilities
inherent in mining operations and the adequacy of insurance coverage;
delays in obtaining permits and licences for development properties;
the speculative nature of exploration and development projects;
difficulty complying with changing government
 regulations and policy,
including without limitation, compliance with environment, health and
safety regulations; uncertainty surrounding Denison's operations in
foreign jurisdictions; potential claims of Canada's first nations
people; dependence on key personnel; the potential influence of
Denison's largest Shareholder, Korea Electric Power Corporation;
potential conflicts of interest for the Company's directors who are
engaged in similar businesses; and limitations of disclosure and
internal controls. 
Accordingly, readers should not place undue reliance on
forward-looking statements. These factors are not, and should not be
construed as being, exhaustive. Statements relating to "mineral
reserves" or "mineral resources" are deemed to be forward-looking
information, as they involve the implied assessment, based on certain
estimates and assumptions that the mineral reserves and mineral
resources described can be profitably produced in the future. The
forward-looking information contained in this press release is
expressly qualified by this cautionary statement. Denison does not
undertake any obligation to publicly update or revise any
forward-looking information after the date of this press release to
conform such information to actual results or to changes in Denison's
expectations except as otherwise required by applicable legislation. 
The TSX Venture Exchange has not reviewed and does not accept
responsibility for the adequacy or accuracy of this news release. 
Fission Energy Corp.
Ron Hochstein
President and Chief Executive Officer
(416) 979-1991 ext 232 
Fission Energy Corp.
Sophia Shane
Investor Relations
(604) 689-7842
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