Rimrock Gold Corp. Announces Closing of Merger Agreement and Financing

Rimrock Gold Corp. Announces Closing of Merger Agreement and Financing

LAS VEGAS, Feb. 12, 2013 (GLOBE NEWSWIRE) -- Rimrock Gold Corp., formerly
known as Tucana Lithium Corp. (OTCQB:TUCAD) (the "Company"), is pleased to
announce that it has closed the definitive merger agreement (the "Merger
Agreement") to acquire a 100% interest in three prospective gold exploration
properties located in the heart of one of the main gold belts of northeast
Nevada. In addition, the Company has closed a private placement offering at a
purchase price of $0.20 per share with a warrant to purchase shares at a price
of $0.30 per share, for gross proceeds to the Company of $500,000.

The Company's common shares will continue to trade under the symbol TUCAD for
20 business days and after the 20^th business day the common shares will trade
as RMRK.

"We are very excited to have completed the acquisition of the gold properties
and to have secured financing. The newly acquired properties provide Rimrock
with a real opportunity in a commodity with huge growth potential, and we are
looking forward to a successful spring/summer work program," stated President
and CEO, Jordan Starkman.

The Company's main exploration assets consists of 177 map-designated cells
totaling 9,400 hectares named Abigail located in the James Bay, Quebec region
of Canada, along with 12 map-designated cells just north of the Abigail
property named Lac Kame and 25 map-designated cells named EM-1 totaling
approximately 1,960 hectares. The Company also now holds a 100% interest in
three Nevada Gold properties named Rimrock, Silver Cloud, and Pony Spur.

The Rimrock Gold Corp. logo is available at

Certain statements in this document that are not historical facts are
"forward-looking statements" within the meaning of the Private Securities
Litigation Reform Act of 1995. Such statements may be identified by the use of
words such as "anticipate, "believe," "expect," "future," "may," "will,"
"would," "should," "plan," "projected," "intend," and similar
expressions.Such forward-looking statements, involve known and unknown risks,
uncertainties and other factors that may cause the actual results, performance
or achievements of Rimrock Gold Corp. to be materially different from those
expressed or implied by such forward-looking statements.The Company's future
operating results are dependent upon many factors, including but not limited
to: (i) the Company's ability to obtain sufficient capital or a strategic
business arrangement to fund its current operational or expansion plans; (ii)
the Company's ability to build and maintain the management and human resources
and infrastructure necessary to support the anticipated growth of its
business; (iii) competitive factors and developments beyond the Company's
control;and (iv) other risk factors discussed in the Company's periodic
filings with the Securities and Exchange Commission, which are available for
review at www.sec.gov under "Search for Company Filings."

CONTACT: Rimrock Gold Corp.
         Jordan Starkman, CEO

Rimrock Gold Corp. logo
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