Rockcliff Resources Inc.
TSX VENTURE : RCR

Rockcliff Resources Inc.

July 10, 2007 09:40 ET

Rockcliff Adds Ground Adjoining the Rail Lake VMS Deposit Snow Lake, Manitoba

SUDBURY, ONTARIO--(Marketwire - July 10, 2007) - Rockcliff Resources Inc. (TSX VENTURE:RCR) is pleased to announce that it has acquired, through staking, additional ground adjacent to its Rail Lake VMS Property, located west of Snow Lake, Manitoba. Rockcliff now controls a total strike length of 5.0km along the favourable Rail Lake VMS horizon which includes the historical Rail Lake VMS Deposit. The additional ground includes numerous untested airborne geophysical targets along the favourable horizon. The horizon is located within the Flin Flon greenstone belt; one of the most prolific and the largest Paleoproterozoic VMS district in the world. Rockcliff is currently exploring the property and plans to advance the property with geological mapping, ground and airborne geophysics and diamond drilling in 2007 and 2008.

The additional staked ground falls within an area of influence with HudBay Minerals Inc. (TSX:HBM) as defined in the March 22, 2007 Rail Lake option agreement completed by Rockcliff and Hudson Bay Exploration and Development Company Limited (HBED), a wholly owned subsidiary of HudBay Minerals Inc.

Rockcliff's Rail Lake VMS property now strategically covers a 5.0km long series of conductors associated with the historical Rail Lake VMS Deposit and the Rail Lake VMS horizon. The underlying geology of the property contains "juvenile arc assemblage rocks", the same assemblage of rocks that hosts all of the mined VMS deposits in other areas of the Flin Flon greenstone belt.

The Rail Lake VMS Deposit (referenced in Rockcliff's news release dated March 23, 2007) is interpreted as a stratabound, massive sulphide deposit rich in copper, zinc, silver and gold. Excellent potential remains to increase the resource of the deposit along strike, at depth and along the favourable horizon.

The information in this news release has been reviewed and approved by Peter Wood P.Eng., P.Geo., Vice-President Exploration and Ken Lapierre P.Geo., President and CEO of Rockcliff Resources Inc., both Qualified Persons in accordance with Canadian regulatory requirements as set out in NI 43-101.

Rockcliff Resources Inc.

Rockcliff Resources Inc. is a Canadian resource exploration company focused on the acquisition and development of high-quality mineral assets associated with world class geology and in world class mining camps. Rockcliff presently controls the Snow Lake VMS project totalling 1,100 km2 and located within the Flin Flon greenstone belt. The project includes four (4) historical VMS deposits and numerous areas with potential for additional VMS mineralization. The company also controls the Shihan VMS Project located in Northern Ontario.

Forward Looking Statement:

Some of the statements contained herein may be forward-looking statements which involve known and unknown risks and uncertainties. Without limitation, statements regarding potential mineralization and resources, exploration results, and future plans and objectives of the Company are forward looking statements that involve various risks. The following are important factors that could cause the Company's actual results to differ materially from those expressed or implied by such forward looking statements: changes in the world wide price of mineral commodities, general market conditions, risks inherent in mineral exploration, risks associated with development, construction and mining operations, the uncertainty of future profitability and the uncertainty of access to additional capital. There can be no assurance that forward-looking statements will prove to be accurate as actual results and future events may differ materially from those anticipated in such statements. Rockcliff undertakes no obligation to update such forward-looking statements if circumstances or management's estimates or opinions should change. The reader is cautioned not to place undue reliance on such forward-looking statements.

The TSX Venture Exchange does not accept responsibility for the adequacy or accuracy of this release.

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