Rockcliff Resources Inc.
TSX VENTURE : RCR

Rockcliff Resources Inc.

May 13, 2008 12:10 ET

Rockcliff Identifies High Priority VTEM Targets at the Lon Property Ground Proofing Followed by Diamond Drilling Recommended

SUDBURY, ONTARIO--(Marketwire - May 13, 2008) - Rockcliff Resources Inc. (TSX VENTURE:RCR) (Tier 1) is pleased to announce that geophysical interpretation of airborne data has identified a minimum of sixteen high priority VTEM targets located at Rockcliff's 100% owned Lon VMS Property. The Lon VMS Property is located 35 km west of Snow Lake and forms part of Rockcliff's Snow Lake VMS Project which totals in excess of 1,800 km2 and is located in central Manitoba. The 651 line kilometre survey completed on the property was part of a 10,000 line kilometre airborne, high resolution electromagnetic and magnetic survey completed at the Snow Lake Project in early 2008 by Geotech Ltd. (please refer to the news release dated March 19, 2008 for further details). The high priority VTEM targets are associated with juvenile arc assemblage rocks, the same type of rocks that host all of the VMS (copper, zinc, gold and silver) mines in the Flin Flon and Snow Lake camps. Rockcliff's Snow Lake VMS Project is located within the Flin Flon greenstone belt, one of the most prolific and the largest Paleoproterozoic VMS district in the world. The Company has initiated a program of ground proofing the high priority targets to determine their VMS potential after which diamond drilling will commence on any target not explained in the ground proofing program.

One of the sixteen high priority airborne targets covers the historical Lon Cu-Zn Deposit located on the Lon VMS Property. The following historical mineral resource estimate for the Lon Deposit is tabulated below and was documented by Granges Inc. in 1993.



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DEPOSIT TONNES COPPER % ZINC % SILVER g/t GOLD g/t
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Lon 250,000 3.20 5.20 18.8 0.34
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Although the resource is viewed as reliable and relevant based on the information and methods used at the time they do not satisfy the requirements set out by NI 43-101. Neither Rockcliff nor its Qualified Persons have done sufficient work to classify the historical estimate as a current mineral resource and are not treating the historical estimate as a current mineral resource. The historical resource should not be relied upon.

Ken Lapierre, President and CEO of Rockcliff commented, "Of importance is the fact that the airborne survey identified the historical Lon VMS Deposit as one of the sixteen high priority targets on the property. The VMS potential with the remaining fifteen targets is considered excellent as they are all under-explored and have similar geophysical characteristics as the characteristics that define the Lon VMS Deposit."

The remaining fifteen airborne targets have strike lengths ranging from 100m to 900m, are strategically located adjacent to long continuous stratigraphic horizons consisting of juvenile arc assemblage rocks, are near surface and are underexplored.

QA-QC STATEMENT

Peter Wood, P.Eng., P.Geo., VP Exploration of Rockcliff, a Qualified Person under the definition of National Instrument 43-101, is responsible for the technical information in this press release and is responsible for verification and quality assurance of Rockcliff's exploration data and analytical results.

Rockcliff Resources Inc.

Rockcliff Resources Inc. is a Canadian resource exploration company focused on becoming mine finders through the acquisition and advancement 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 in excess of 1,800 km2 and located within the Flin Flon greenstone belt. The project presently includes five historical VMS deposits (Lon, Rail, Reed, Kof, Sylvia) and numerous additional areas with potential for VMS and nickel-copper-platinum group metal mineralization. Rockcliff 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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