Trevali Mining Corp.

VANCOUVER, BRITISH COLUMBIA -- (Marketwire) -- 12/07/11 -- Trevali Mining Corporation ('Trevali' or the 'Company') (TSX: TV)(TSX: TV.WT)(OTCQX: TREVF)(BVLAC: TV)(FRANKFURT: 4TI) announces the staking of five additional claims (1,130 hectares) at its Ruttan copper-zinc property in Northern Manitoba bringing the total land position to 4,894 hectares (48.9 km2). Staking was a follow-up to successful multi-disciplinary

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VANCOUVER, BRITISH COLUMBIA -- (Marketwire) -- 11/21/11 -- Trevali Mining Corporation ('Trevali' or the 'Company') (TSX: TV)(TSX: TV.WT)(OTCQX: TREVF)(BVLAC: TV)(FRANKFURT: 4TI) is pleased to announce the appointment of an experienced Senior Management Mine Development and Operations Team for its Halfmile Mine and Stratmat Project in New Brunswick, Canada where production is on track to commence by year end.

VANCOUVER, BRITISH COLUMBIA -- (Marketwire) -- 11/17/11 -- Trevali Mining Corporation ('Trevali' or the 'Company') (TSX: TV)(TSX: TV.WT)(OTCQX: TREVF)(BVLAC: TV)(FRANKFURT: 4TI) is pleased to announce that it has received the 2011 Developer of the Year Award from the New Brunswick Prospectors and Developers Association for the Company's advancement of the Halfmile Mine in the Bathurst Mining Camp.

VANCOUVER, BRITISH COLUMBIA -- (Marketwire) -- 10/28/11 -- Trevali Mining Corporation ('Trevali' or the 'Company') (TSX: TV)(OTCQX: TREVF)(PINK SHEETS: TREVF)(BVLAC: TV)(FRANKFURT: 4TI) is pleased to announce that it has commenced a diamond drill program at its Stratmat polymetallic massive sulphide deposit in New Brunswick, Canada The program will consist of approximately 5,000 metres of core drilling and is intended

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Results Indicate the Presence of a Large Conductive Body Coinciding With and Extending From Deepest Mineralized Intercept to Date

VANCOUVER, BRITISH COLUMBIA -- (Marketwire) -- 10/24/11 -- Trevali Mining Corporation ('Trevali' or the 'Company') (TSX: TV)(OTCQX: TREVF)(FRANKFURT: 4TI)(BVLAC: TV) is pleased to announce the results of an in-hole geophysical survey (DownHole ElectroMagnetics - DHEM) designed to image and target the geophysical responses from the Magistral deposits at depth and along-strike. Results of the survey conducted by Val D'Or Geophysics are interpreted to reflect the presence of a large mineralized body extending approximately 500 metres from known mineralization in the Magistral Deposits including drill hole SAN-173 which intercepted high-grade silver-lead-zinc mineralization at approximately 450 metres below the Magistral North deposit at 750 metres vertical depth (see NR 11-26 for details).

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VANCOUVER, BRITISH COLUMBIA -- (Marketwire) -- 10/19/11 -- Trevali Mining Corporation ('Trevali' or the 'Company') (TSX: TV)(OTCQX: TREVF)(FRANKFURT: 4TI)(BVLAC: TV) is pleased to provide a construction update on its previously announced Santander zinc-lead-silver mine development project in Peru. Construction is advancing on multiple-fronts including: Mine Camp Facilities, Mine Operation Facilities, Mineral Processing

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VANCOUVER, BRITISH COLUMBIA -- (Marketwire) -- 10/14/11 -- Trevali Mining Corporation ('Trevali' or the 'Company') (TSX: TV)(OTCQX: TREVF)(FRANKFURT: 4TI)(BVLAC: TV) announces it has entered into agreements with Xstrata Canada Corporation - Xstrata Zinc Canada Division ('Xstrata') for toll-milling of mineralization from the Halfmile mine project near Bathurst in northeastern New Brunswick, and for metal concentrate

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VANCOUVER, BRITISH COLUMBIA -- (Marketwire) -- 10/13/11 -- Trevali Mining Corporation ('Trevali' or the 'Company') (TSX: TV)(OTCQX: TREVF)(FRANKFURT: 4TI)(BVLAC: TV) is pleased to provide an update on the previously announced mine development program at the Halfmile polymetallic (zinc-lead-silver-copper-gold) deposit near Bathurst in northeastern New Brunswick.

Magistral North Intersected at 730 Metres Below Surface - 5.5 oz/T Silver, 3.21% Lead and 8.42% Zinc Over 2.65 Metres

Magistral South Extended 80 Metres North - 13.2 Metres at 8.06% Zinc

VANCOUVER, BRITISH COLUMBIA -- (Marketwire) -- 09/07/11 -- Trevali Mining Corporation ('Trevali' or the 'Company') (TSX: TV)(OTCQX: TREVF)(FRANKFURT: 4TI)(BVLAC: TV) is pleased to announce that resource expansion drilling continues to extend known mineralization at the Magistral North and South deposits on the Santander Mine Development Project in west-central Peru. Drill-hole SAN-173, an aggressive step-out exploration hole, has successfully doubled the depth extent of mineralization at Magistral North to approximately 750 metres below surface returning up to 2.65 metres of 8.42% zinc, 3.2% lead and 5.5 oz/T (187.8 g/t) silver. At Magistral South, hole SAN-174 intersected a thick interval of replacement mineralization (grading up to 8.06% zinc over 13.2 metres) between the Magistral Central and South deposits, suggesting the two bodies may be linked at depth.

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Historical mine level channel sample of 334.2 metres grading 4.53 oz/T silver, 5.46 g/t gold, 4.04% zinc, 4.34% lead and 0.32% copper

VANCOUVER, BRITISH COLUMBIA -- (Marketwire) -- 08/10/11 -- Trevali Mining Corporation ('Trevali' or the 'Company') (TSX: TV)(OTCQX: TREVF)(BVLAC: TV)(FRANKFURT: 4TI) is pleased to announce results from a recent structural interpretation and 3-D compilation of historic underground data at the past producing Huampar Silver-Gold (polymetallic) mine in Peru. The interpretation confirms that the Finlandia Veins system at Huampar contains long lateral and vertical intervals of high-grade precious and base metal mineralization.

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