Gunnison Copper Corp.

VANCOUVER, BRITISH COLUMBIA -- (Marketwire) -- 12/01/11 -- Excelsior Mining Corp. (TSX VENTURE: MIN)(OTCQX: EXMGF)(PINK SHEETS: EXMGF)(FRANKFURT: 3XS) ('Excelsior') is pleased to announce the results of the Preliminary Economic Assessment ('PEA') on the North Star Deposit of the Gunnison Copper Project, located in southern Arizona. The PEA was

VANCOUVER, BRITISH COLUMBIA -- (Marketwire) -- 11/09/11 -- Excelsior Mining Corp. (TSX VENTURE: MIN)(OTCQX: EXMGF)(FRANKFURT: 3XS) ('Excelsior') is pleased to announceresults from the initial metallurgical tests on the 100% owned North Star Deposit of the Gunnison Copper Project, located in southern Arizona. Initialcolumn leach tests indicated

VANCOUVER, BRITISH COLUMBIA -- (Marketwire) -- 09/06/11 -- Excelsior Mining Corp. (TSX VENTURE: MIN)(OTCQX: EXMGF)(PINK SHEETS: EXMGF)(FRANKFURT: 3XS) ('Excelsior') is pleased to announce results from two comprehensive hydrological tests conducted at the North Star Deposit. The results generated hydrological conductivities in the range expected

VANCOUVER, BRITISH COLUMBIA -- (Marketwire) -- 09/01/11 -- Excelsior Mining Corp. (TSX VENTURE: MIN)(OTCQX: EXMGF)(PINK SHEETS: EXMGF)(FRANKFURT: 3XS) ('Excelsior') is pleased to announce that today it has filed a National Instrument (NI) 43-101 Technical Report dated August 31, 2011 on SEDAR at www.sedar.com. The Report is with respect to