Sabina Announces More Positive Drill Results from 2012 Drilling at the Back River Gold Project, Nunavut

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1 930 West 1 st Street, Suite 202, North Vancouver, BC V7P 3N4 Tel: (604) Toll Free: (888) June 4, 2012 SBB NR SBB-T Sabina Announces More Positive Drill from 2012 Drilling at the Back River Gold Project, Nunavut Hole 12GSE182 at Llama returns g/t Au over m including g/t Au over 4.50 m; Hole 12GSE173 at Umwelt extends deposit by 200 m and returns 9.50 g/t Au over 7.15 m; Vancouver, BC Sabina Gold & Silver Corp (SBB.T) is pleased to announce new assay results from holes drilled on the Goose claim block as part of the 2012 exploration program at its 100% owned Back River Gold Project in Nunavut, Canada. Initial work on the Goose property in 2012 has focussed on infill and extension drilling at the Llama and Umwelt deposits, as well as high priority regional new discovery targets proximal to the existing deposits. Infill drilling within the Llama pit shell has been particularly successful. Hole 12GSE182 returned g/t Au over m including g/t Au over 4.50 m. This intercept begins at a down hole depth of only m and confirms the presence of a high grade mineralized core in the Llama pit. These results, in addition to the Llama results announced on April 26, 2012, should provide strong grade early in the mine plan as envisaged in the recently completed Preliminary Economic Assessment ( PEA ). Drilling at Llama has also targeted the extension of the deposit down plunge. Hole 12GSE180 returned 8.40 g/t Au over m including g/t Au over 5.55 m and hole 12GSE168 at the fold crest between the East and West Limbs intersected 6.73 g/t Au over 9.25 m. These holes continue to identify a continuous zone of mineralization down plunge of the open pit resource and are in an area that has not yet been included in any resource calculation. Positive first results from extension drilling at the G2 Zone at Umwelt have also been received. Hole 12GSE173 returned 9.50 g/t Au over 7.15 m and extends the mineralization 200 m down plunge from the previous known limits of the deposit. Deep drilling continues at Umwelt with further assays pending.

2 We are very happy with the results coming in from this year s program to date, said Rob Pease, President & CEO. In particular, the results reported from Llama demonstrate one of the opportunities for this year s drilling to optimize the mine plan in our recently announced PEA. The Llama deposit is envisioned to be one of first areas mined in the PEA due to its near surface high-grade attributes; therefore, we expect there will be a positive impact on the economics. Our property wide exploration continues to discover significant new mineralization and the highgrade continuous nature of our deposits demonstrate the unique character and strength of the future Back River project. On May 29 th, the Company announced a positive PEA on the Back River Gold Project. According to the PEA, the base case scenario for the project generates a post-tax NPV of $650 million and an IRR of 25% at a $1250 gold price. The mine plan would feed 5,000 tonnes per day of mineralized material to the mill to produce approximately 300,000 ounces of gold per year for 12.3 years. Mine sequencing envisions initial production from a Llama open pit and the Umwelt and Goose underground resources for up front capital of approximately $450 million. Thereafter, open pits at Umwelt and Goose followed by underground mining at George will come on line over the rest of the life of the mine with mine development capital being funded from cash flow. Total capital for the project has been estimated at $838 million. Total cash costs are anticipated to be $542/oz life of mine including royalties, refining and transport. Capital and operating costs were estimated using a combination of first principle calculations, experience and factored costs; experience includes actual results from comparable northern projects. Back River Exploration There are currently 5 drills operating at the Goose property based out of the Goose camp. One drill is working on the down plunge extension of the Llama deposit, one drill is beginning Umwelt resource conversion drilling, two drills are exploring the down dip and down plunge extension of the Umwelt G2 Zone, and one drill is conducting property wide exploration. There are three drills operating out of the George camp with one drill assigned to regional Wishbone drilling and two drills focused on new targets at George. Llama Resource Conversion Drilling Drilling began at the Llama deposit in early March and was initially focussed on lake-based targets situated on the East and West limbs of the deposit. Drilling targeted the core of the current open pit concept and was designed to upgrade resources from the inferred category to the indicated category. This program is now complete and drilling has moved to the south in an effort to expand the deposit down plunge. Additional results from the resource upgrade program have been returned and include hole 12GSE182 located at the north end of the Llama deposit which intersected high grade mineralization associated with the thickened fold hinge of the iron formation. from the hole included g/t Au over m including g/t Au over 4.50 m. This intercept

3 begins at a down-hole depth of only m and confirms the presence of a high grade mineralized core at Llama that should provide strong grade early in the mine plan as envisaged in the recently completed PEA study. Other significant intercepts from the Llama in-fill program include hole 12GSE171 also at the north end of the deposit which returned g/t Au over 6.60 m at a vertical depth of approximately 50 m. Llama Resource Expansion Drilling Efforts to expand the Llama deposit down plunge and to the south have also been successful. Hole 12GSE180 returned 8.40 g/t Au over m including g/t Au over 5.55 m in the West Limb at a vertical depth of approximately 280 m below surface and hole 12GSE168 at the fold crest between the East and West Limbs intersected 6.73 g/t Au over 9.25 m at a vertical depth of approximately 180 m. These intercepts occur below and to the south of the current resource as defined and used in the PEA and continue to identify a continuous zone of mineralization down plunge of the open pit resource. Umwelt Resource Expansion Drilling Other highlights from the drill program to-date include the first results from the down plunge drilling of the Umwelt G2 Zone. Hole 12GSE173 was designed to test 200 m down plunge of the known zone and to intersect the lower part of the limb that hosts the Umwelt deposit. This hole successfully intersected mineralization at the base of the lower Main Zone East limb returning 9.50 g/t Au over 7.15 m at a vertical depth of approximately 800 m below surface and some 200 m down dip of our previous intersection of the zone. The main portion of the deposit is believed to lie up dip of this intercept. A second hole targeting approximately 100 m above hole 12GSE173 is currently in progress. Goose Property ExplorationA new discovery has been made at a target located immediately to the west of the Goose deposit termed the Goose Hook. The Goose Hook is interpreted to be an extension of the Goose deposit that has been folded sharply from a northeast southwest orientation to a southwesterly orientation. Hole 12GSE178, following-up on encouraging results from earlier holes 12GSE133 (2.06 g/t Au over 2.70 m) and 12GSE138 (1.69 g/t Au over m), intersected 3.65 g/t Au over 9.0 m within a broader mineralized zone grading 1.76 g/t Au over m. A number of grains of visible gold were noted in the interval. This intercept is approximately 300 m west of the main Goose deposit and represents a significant zone of altered and mineralized oxide iron formation. Ongoing drilling should provide us with additional information necessary to better understand the geology of this new Goose Hook discovery.

4 Table 1: Significant assay results from this release: Hole Id Area Section Easting Northing Depth From (m) To (m) Length (m) Au (g/t) Zone Name 12GSE168 LL 4775L Main West Main West including Main West 12GSE171 LL 5100L Undefined Undefined Undefined Main East including Main East 12GSE173 UM 3900U Main East including Main East 12GSE178 Hook 6420H Goose Hook including Goose Hook including Goose Hook including Goose Hook including Goose Hook including Goose Hook 12GSE180 LL 4700L Main West including Main West including Main West Main West 12GSE182 LL 5125L Main East including Main East including Main East Main East Main East Abbreviations: LL = Llama; UM = Umwelt; Hook = Goose Hook

5 Quality Assurance The Qualified Person under NI is Peter Manojlovic PGeo, Vice President Exploration for Sabina Gold & Silver Corp., who has approved this release. Diamond drill core was sent to TSL Laboratories in Saskatoon, Sask. Quality control is monitored on a continual basis and utilizes a system of standards, blanks and duplicates to ensure analytical accuracy. The protocols and procedures used in 2012 are the same as those used in earlier campaigns by Sabina Gold & Silver Corp. and have been deemed appropriate in the above noted compliant resource reports. SABINA GOLD & SILVER CORP. Sabina Gold & Silver Corp. is an emerging precious metals company with district scale, world class undeveloped assets in one of the world s newest, most politically stable mining jurisdictions: Nunavut, Canada. Sabina s primary properties consist of the Back River Gold Project as well as the Wishbone Claims, a vastly prospective grass roots project all located in Nunavut. In late 2011 the Company has announced the completion of the sale of Hackett River and certain claims in the Wishbone greenstone belt to Xstrata Zinc Canada Division (Xstrata) for which the Company received $50 m cash and a silver royalty on Xstrata s Hackett River silver production of 22.5% of the first 190 million ounces produced and 12.5% of all silver produced thereafter. The Company had cash of $147.4 million at March 31, All news releases can be found on the Company s website at or on SEDAR at Nicole Hoeller, Vice-President, IR nhoeller@sabinagoldsilver.com

6 Forward Looking Statements Statements relating to mineral resource estimates at Llama, Umwelt, George and Goose and the expected impact of these mineral resources are forward-looking statements within the meaning of securities legislation of certain Provinces in Canada. Forward looking statements are statements that are not historical facts and are generally, but not always, identified by the words expects, plans, anticipates, believes, intends, estimates, projects, potential and similar expressions, or that events or conditions will, would, may, could or should occur. Information inferred from the interpretation of drilling results may also be deemed to be forward looking statements, as it constitutes a prediction of what might be found to be present when and if a project is actually developed. These forward-looking statements are subject to a variety of risks and uncertainties which could cause actual events or results to differ materially from those reflected in the forward-looking statements, including, without limitation: risks related to fluctuations in metal prices; uncertainties related to raising sufficient financing to fund the planned work in a timely manner and on acceptable terms; changes in planned work resulting from weather, logistical, technical or other factors; the possibility that results of work will not fulfill expectations and realize the perceived potential of the Company s properties; risk of accidents, equipment breakdowns and labour disputes or other unanticipated difficulties or interruptions; the possibility of cost overruns or unanticipated expenses in the work program; the risk of environmental contamination or damage resulting from Sabina s operations and other risks and uncertainties, including those described in Sabina s Annual Report for the year ended December 31, Forward-looking statements are based on the beliefs, estimates and opinions of Sabina s management on the date the statements are made. Sabina undertakes no obligation to update these forward-looking statements should management s beliefs, estimates or opinions, or other factors, change. This news release has been authorized by the undersigned on behalf of Sabina Gold & Silver Corp. Rob Pease, President & CEO 930 West 1st Street, Suite 202 North Vancouver, BC V7P 3N

7 Table 2: Complete assay results from 2012 drilling Hole Id Area Section Easting Northing Depth From (m) To (m) Length (m) 12GSE132B GNS 3950J GNS GNS Au (g/t) GNS Zone Name 12GSE133 Hook H Unknown LIF-North LIF-North LIF-North LIF-North LIF-North LIF-North 12GSE134 GNS 3950J GNS 12GSE135 GNS 4150J NSV 12GSE136 LL 4875L Main East 12GSE137 LL 5325L NSV 12GSE138 Hook H LIF-South including LIF-South including LIF-South LIF-North LIF-North 12GSE139 LL 4925L Main West including Main West Main West 12GSE140 LL 5325L NSV Main West 12GSE141 LL 4975L Main East Main East Main East including Main East and Main East including Main East Main West including Main West Main West including Main West and Main West Main West

8 Main West 12GSE142 LL 5275L Main East 12GSE143 LL 5275L Main East Main East 12GSE144 LL 5025L Main East 12GSE145 LL 5250L NSV 12GSE146 GM 4910G NSV Main East Main West 12GSE146B GM 4910G LIF-South LIF-South including LIF-South LIF-South including LIF-South Gwky LIF-North including LIF-North LIF-North 12GSE147 LL 5250L Main East Main East 12GSE148 LL 4875L Main West Main West Main West including Main West and Main West 12GSE149 UM 4100U NSV - Hole Abandon ed 12GSE150 LL 5225L NSV 12GSE151 LL 4975L Main East 12GSE152 LL 5225L Main East including Main East and Main East 12GSE153 LL 5025L Main West Main East Main East including Main East 12GSE154 UM 4100U Undefined 12GSE155 LL 4975L Main West Main West

9 12GSE156 LL 5075L Main East 12GSE157 GM 4730G NSV - Hole Abandon ed 12GSE157B GM 4730G LIF-South LIF-South 12GSE158 LL 5125L Main West Main West Main West Main East Main East 12GSE159B LL 4750L NSV 12GSE160 UM 4200U NSV - Hole Abandon ed 12GSE161 LL 5125L GSE162 LL 4700L Flying Wedge Flying Wedge Flying Wedge Undefined Main West including Main West 12GSE163 UM 4200U East BIF Main East 12GSE164 UM 4100U East BIF East BIF East BIF East BIF Main East 12GSE165 GM 4730G Gwky Gwky Gwky 12GSE166 LL 5150L Main East including Main East 12GSE167 GM 4700G Undefined 12GSE168 LL 4775L Main West Main West

10 including Main West 12GSE169 LL 5200L Main West including Main West 12GSE170 GB 4340G NSV Undefined 12GSE171 LL 5100L Undefined Undefined Undefined Main East including Main East 12GSE172 LL 4830L NSV - Hole Abandon ed 12GSE172B LL 4830L Undefined Main West 12GSE173 UM 3900U Main East including Main East 12GSE173W 1 12GSE173W 2 UM 3900U UM 3900U GSE174 UM 3750U GSE174W 1 UM 3750U GSE175 LL 4925L NSV - Hole Abandon ed NSV - Hole Abandon ed NSV - Hole Abandon ed 12GSE175B LL 4925L Main East including Main East Main East Main West 12GSE176 LL 5300L NSV Main East 12GSE177 LL 5150L Main West 12GSE177B LL 5150L Main West including Main West Main West Main East including Main East including Main East

11 Main East including Main East Main East 12GSE178 Hook 6420H Goose Hook including Goose Hook including Goose Hook including Goose Hook including Goose Hook including Goose Hook 12GSE179 LL 5200L Main East including Main East Main East 12GSE180 LL 4700L Main West including Main West including Main West Main West 12GSE181 LL 4975L GSE182 LL 5125L Main East including Main East including Main East Main East Main East Abbreviations: GNS = Goose Neck South; LL = Llama; GM = Goose Main; UM = Umwelt; GB = Goose Butt; Hook = Goose Hook; NSV = No Significant Values

12 Figure 1: Llama East Limb Longitudinal Section

13 Figure 2: Llama West Limb Longitudinal Section

14 Figure 3: Umwelt Longitudinal Section

15 Figure 4: Goose Hook Area Plan Map