Rimrock Gold Corp. Announces Appointment to Advisory Board

Rimrock Gold Corp. Announces Appointment to Advisory Board

LAS VEGAS, March 4, 2013 (GLOBE NEWSWIRE) -- Rimrock Gold Corp., formerly
known as Tucana Lithium Corp. (OTCQB:TUCAD) (the "Company"), is pleased to
announce the appointment of Dr. Eric Nelson to the Company's Advisory Board.

Dr. Nelson, as a member of the Consultant Technical Advisory Board of the
Corporation, may advise the CEO, V.P. of Exploration, and Board of Directors
with regard to the geology and potential worth of mineral properties, as well
as toward new corporate acquisitions and ventures. Dr. Nelson is having an
exceptional career in international mineral exploration. He is an Emeritus
Associate professor of structural and economic geology with the Colorado
School of Mines, and he has consulted for such prominent firms as Newmont,
Hochschild, AngloGold, Vale, and Evolving Gold Corp.

Dr. Nelson is a Certified Professional Geologist with AIPG, and a Qualified
Person under NI 43-101. Eric has more than 20 years of exploration and mining
industry experience as a top-level consultant. Eric has expertise in
mineralized systems including epithermal Au-Ag and polymetallic vein deposits,
porphyry systems, skarn and manto deposits, VHMS deposits, IOCG systems,
Carlin-type systems, and MVT deposits. Project field sites include Australia,
New Zealand, Russia, Botswana, Mexico, Guatemala, Honduras, Chile, Argentina,
Perú, Brazil, and USA (Colorado, New Mexico, Nevada, Alaska). Dr. Nelson
specializes in providing expert geological analysis in ore deposits
exploration at mine, district, and regional scales. He has developed methods
for structural analysis of prospects, deposits, and regions, methods for
design of drill hole targets. Working with colleagues, post-doctoral research
associates, and graduate students, Dr. Nelson has an extensive record of
publications, emphasizing research in mineral deposit and resource geology.

"We are so pleased to have Dr. Nelson join our team," said Jordan Starkman,
President and CEO. "Dr. Nelson's extensive experience and knowledge in our
industry will no doubt provide Rimrock with significant benefits as we seek to
capitalize on future opportunities," stated Mr. 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

CONTACT: Rimrock Gold Corp.
         Jordan Starkman, CEO

Rimrock Gold Corp. logo
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