2007

Mantle Resources Inc. Closes Private Placements

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Vancouver, B.C. –December 4, 2007 – Mantle Resources Inc. (TSX Venture: MTS; Frankfurt: AOF7E1) (the "Company") is pleased to announce that, further to its news releases dated November 12, 2007 and November 27, 2007, it has received final TSX Venture Exchange acceptance with respect to the closing of its non-brokered private placements, raising $3,383,500.  The financings consisted of 1,875,000 flow-through shares at a price of $1.60 per share and 295,000 non-flow-through shares at a price of $1.30 per share.  Lundin Mining Corp. (TSX: LUN) purchased 295,000 shares pursuant to the private placement. Added to its current position, this results in Lundin Mining maintaining a just under 10-per-cent equity position in Mantle Resources.The proceeds are planned to be used for further exploration of the Akie SEDEX zinc-lead property and to explore the balance of the Company’s portfolio of mineral holdings (102,220 hectares), located within the highly prospective Kechika Trough SEDEX zinc-lead basin of northeastern British Columbia . The Company paid an aggregate of $145,000 as finder’s fees on a portion of the private placement.  The securities issued are subject to a four month hold period expiring April 5, 2008.

About the Akie Property

The Akie zinc-lead property is situated within the southern-most part (Kechika Trough) of the regionally extensive Paleozoic Selwyn Basin, one of the most prolific sedimentary basins in the world for the occurrence of SEDEX zinc-lead-silver and stratiform barite deposits. Drilling on the Akie property by Inmet Mining Corporation during the period 1994 to 1996 and by Mantle in 2005 and 2006 and this year has identified a significant body of baritic SEDEX mineralization (Cardiac Creek Zone). The deposit is hosted by variably siliceous, fine grained clastic rocks of the Middle to Late Devonian ‘Gunsteel Formation.Two similar deposits, Cirque and South Cirque, located some 20 kilometers northwest of Akie and owned under a joint venture by Teck Cominco and Korea Zinc, are also hosted by Gunsteel rocks and have a combined geologic inventory in excess of 50 million tonnes averaging approximately 10% combined zinc+lead.

Qualified Person

John R. Fraser, P.Geo. (BC) is the Qualified Person for the Company, as defined by NI 43-101, and is responsible for the technical information contained in this release.

The TSX Venture Exchange has neither approved nor disapproved the contents of this press release.

MANTLE RESOURCES INC.

ON BEHALF OF THE BOARD OF DIRECTORS

“Peeyush Varshney”