VANCOUVER, BRITISH COLUMBIA -

Mansfield Minerals Inc. (the "Company") announces that definition drilling at its wholly owned Lindero deposit located in northwest Argentina is nearing completion. The following is a summary of the latest 14 holes:


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Lindero Project, Northwestern Argentina
Drilling Result
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Drill Hole
Number            Interval  Length  Gold (g/t)  Comments
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LDH-87           176-320 m   144 m       0.85   New ore-grade extensions.
           incl. 208-306 m    98 m       1.02
           incl. 226-266 m    40 m       1.33
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LDH-88           116-238 m   122 m       0.89   New ore-grade extensions.
           incl. 118-154 m    36 m       1.49
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LDH-89           130-240 m   110 m       0.96   New ore-grade extensions.
           incl. 130-200 m    70 m       1.35
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LDH-90           268-338 m    70 m       0.76   New ore-grade extensions.
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LDH-91           122-246 m   124 m       0.92   New ore-grade extensions.
           incl. 218-246 m    28 m       1.18
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LDH-92         No significant results - lost drill hole
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LDH-93            18-124 m   106 m       0.97
            incl. 40-102 m    62 m       1.18
             incl. 40-76 m    36 m       1.44
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LDH-94              0-96 m    96 m       0.71
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LDH-95              0-88 m    88 m       0.74
              incl. 0-42 m    42 m       0.90
              incl. 0-22 m    22 m       1.18
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LDH-96              2-26 m    24 m       0.69
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LDH-97              4-22 m    18 m       0.69
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LDH-98             14-58 m    44 m       0.98
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LDH-99           112-212 m   100 m       0.71   New mineralized zone.
           incl. 142-176 m    34 m       1.05
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LDH-100           32-148 m   116 m       0.93
            incl. 34-120 m    86 m       1.01
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Gordon P. Leask, President of Mansfield Minerals Inc. commented as follows:

"The geographic location with proximity to infrastructure, combined with the geometric configuration and uniformity of gold distribution throughout the deposit, make Lindero a highly attractive open-pit, heap leach gold style deposit."

Results from the remaining ten drill holes will be released as soon as they become available. Minor additional drilling may be required purely on a geostatistical basis to finalize the resource estimate.

A map of the drill hole locations has been posted on the Company's website and can be viewed at www.mansfieldminerals.com/s/Lindero.asp.

Security - Chain of Custody and Quality Control

Two metre lengths of HQ core samples were halved with a diamond saw and bagged at the field facility. The bags were tied with plastic color-coded security ties. Sample bags were then placed in shipping boxes and couriered by company vehicle to the Acme Analytical Laboratories S.A. prep lab in Mendoza, Argentina. Samples are prepped and fire assayed at Acme facilities in Mendoza, Argentina. Part of the pulps is shipped by Acme to their lab in Santiago, Chile for further assaying. The Company employs a Quality Control program consisting of re-assaying, in two different assay laboratories, randomly selected coarse reject samples and pulp samples, and also insertion of a pulp standard sample, a coarse blank and a duplicate of each 20 samples in the field.

This news release has been reviewed by Gordon P. Leask, P.Eng., President of the Company, and a Qualified Person ("QP") as defined by National Instrument 43-101 (Standards of Disclosure for Mineral Projects).

About Mansfield Minerals Inc. Mansfield is a mining exploration company which has focused its activities in northwestern Argentina since August 1994. The Company's current significant properties and projects consist of mineral rights covering approximately 170 square miles in three Argentine provinces and one Canadian province. The Company is currently focused on two primary projects which include Lindero (gold) and Rio Grande (copper-gold).

On behalf of the Board of Directors,

Gordon P. Leask, P.Eng., President

Caution Regarding Forward-Looking Statements - This news release contains certain forward-looking statements, including statements regarding the business and anticipated financial performance of the Company. These statements are subject to a number of risks and uncertainties. Actual results may differ materially from results contemplated by the forward-looking statements. When relying on forward-looking statements to make decisions, investors and others should carefully consider the foregoing factors and other uncertainties and should not place undue reliance on such forward-looking statements. The Company does not undertake to update any forward looking statements, oral or written, made by itself or on its behalf.

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

Contacts: Mansfield Minerals Inc. Nancy Goertzen VP Corporate Development (604) 681-4462 (604) 681-0180 (FAX) Email: info@mansfieldminerals.com Website: www.mansfieldminerals.com

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