February 5, 2013, Toronto, Ontario, Canada – Rio Silver Inc. (TSX-V: RYO) (the “Company”) is pleased to report that it has completed the first two tranches of its previously announced private placement consisting of 4,346,111 units (the “Units”) at $0.09 per Unit for aggregate gross proceeds of $391,149.99. Each Unit consists of one common share of the Company and one common share purchase warrant exercisable at $0.12 per share until December 21, 2013 and February 4, 2014 for the first and second tranches respectively. In connection with the private placement, the Company paid finder’s fees comprised of an aggregate of $10,449 in cash and issued an aggregate of 116,100 broker warrants exercisable to acquire one common
share of the Company at a price of $0.12 per share until December 21, 2013 and February 4, 2014 for the first and second tranches respectively. All of the securities issued will be subject to a statutory hold expiring on April 22, 2013 and June 5, 2013 for the first and second tranches respectively.

The proceeds of the private placement will be used by the Company in connection with its exploration program at the Company’s Niñobamba silver and gold project in Peru, and for working capital purposes.

The Company has granted to a director an aggregate of 1,000,000 incentive stock options under the Company’s stock option plan, subject to Exchange approval. Each such option may be exercised by the holder to purchase one common share of the Company at a price of $0.10 for a period of five years from the date of the grant.

ON BEHALF OF THE BOARD OF DIRECTORS OF RIO SILVER INC.

Dwight Walker
CFO

Neither the TSX Venture Exchange nor its Regulation Services Provider accepts responsibility for the adequacy or accuracy of this release.

This news release includes forward-looking statements that are subject to risks and uncertainties. All statements within, other than statements of historical fact, are to be considered forward-looking. Although the Company believes the expectations expressed in such forward-looking statements are based on reasonable assumptions, such statements are not guarantees of future performance and actual results or developments may differ materially from those in forward-looking statements. Factors that could cause actual results to differ materially from those in forward-looking statements include market prices, exploitation and exploration successes, continued availability of capital and financing, and general economic, market or business conditions. There can be no assurances that such statements will prove accurate and, therefore, readers are advised to rely on their own evaluation of such uncertainties. We do not assume any obligation to update any forward-looking statements.

For more information contact:

Dwight Walker, CFO
Tel: (416) 567-2785

Website: www.riosilverinc.com

January 14, 2013, Toronto, Ontario, Canada – Rio Silver Inc. (the “Company”) (TSX.V: RYO) is pleased to announce that the Company has completed its 2012 surface and trench sampling program on its 100% owned (no underlying royalties), 2100 hectare Niñobamba project, located approximately 330 kilometres southeast of Lima, in the Department of Ayacucho, Peru. The Company views the project as a bulk mineable disseminated silver target. In total seventeen trenches were excavated by the local community and the results of the first five trenches have been previously published with highlights of 56 metres of 1.03 g/t Au and 98.9 g/t Ag in trench TR-01, 42.62 metres of 130.98 g/t Ag in trench TR-02 and 108.49 metres of 62.4 g/t Ag in trench TR-05 (see Company’s news releases dated July 4, 2012, September 4, 2012 and October 22, 2012). Highlights from new trench results show trench TR-13 returning 165.06 g/t Ag over 20.01 metres, trench TR-16 returning 99.35 g/t Ag over 21.05 metres and trench TR-17 returning 41.85 metres of 37.59 g/t Ag.

The 2012 exploration program focused on two parallel mineralized zones, the “North” and “South” zones which appear to be two separate NE-SW trending zones of significant silver mineralization. The zones are approximately 400 metres apart and have variable thickness. A new zone called “Dilation” was discovered between the North and South zones with 16 surface grab samples averaging 19.98 g/t Ag and ranging from 0.0 to 142.9 g/t Ag. A second new zone called “Escondida” was also discovered approximately 500 metres southwest of trench TR-02 with 12 surface grab samples averaging 72.03 g/t Ag and ranging from 0.8 to 252.6 g/t Ag. Gold is present in the Escondida zone with 12 samples ranging from 0.0 to 0.799 g/t Au and averaging 0.140 g/t Au.

The following is an orthophotograph of the Niñobamba Property showing the North and South mineralized zones as trenched, and the new zones of mineralization at Dilation and Escondida. The orthophotograph also shows the favourable topography for mining and infrastructure.

North Zone Trenching Results

The 2012 exploration program shows that the mineralization in the North zone has a lateral extent of over 400 metres. Recent surface sampling west and north of trench TR-04 shows that gold mineralization is associated with vuggy silica altered volcanics similar to the mineralization exposed in the last 21.77 metres of trench TR-04 which returned 1.32 g/t Au and 102.46 g/t Ag. The alteration in this area has a strong gold zoning component indicative of high sulphidation systems. The silver mineralization exposed in trenches TR-13, TR-16, and TR-17 are located between the gold bearing trenches in TR-01 and TR-04. The silver mineralization in these trenches is approximately 70 meters lower in elevation compared to trenches TR-01 and TR-04 which further supports that the North zone contains a gold-silver zone and a pure silver zone. Trench TR-13 was terminated at its south end due to deep colluvium cover where the last sample returned 185.2 g/t Ag.

South Zone Trench Results

Trenching has exposed the silver mineralization for over 400 metres in the South zone. Highlights from the recent trenching results show that the most easterly trench TR-07 returned 23.80 metres of 83.06 g/t Ag. Additionally, historical drill results approximately 200 metres east of trench TR-07 suggest that the silver mineralization continues to the east. The most westerly trench in the South zone, trench TR-02 returned 42.62 metres of 130.98 g/t Ag. The new Escondida zone is located a further 500 metres to the southwest of trench TR-02 and it is likely this new zone is the lateral extension of the South zone. This may expand the potential for the South zone to over 1100 metres. The precious metal mineralization thus
far determined in the South zone is predominantly silver compared to the North zone which has considerable gold credits.

The attached map shows the location of the trenches, historic drill holes and the new zones identified from surface grab sampling. The following table summarizes all of the 2012 trenching results. The trenching program and other surface exploration work will continue in 2013 once weather conditions
improve. The Company will also initiate the permitting process to commence a first phase drill program.

Geochemical samples were collected by Mine Gate Exploration SA personnel using rock saws cutting continuous channels in bedrock averaging 2.5 inches wide and 3.5 inches deep. Samples were collected irrelevant of geological boundaries and later surveyed. The quality of the sampling is considered high and representative of the grade of the mineralized system at surface.

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Standards and blanks were inserted for internal quality assurance/quality control. Under chain of custody the samples were delivered to Inspectorate Services Peru SAC, in Callao, Peru which is an ISO 9001:2000 certified laboratory at the global level with ABS QUALITY EVALUATIONS. The samples were prepared for analysis by standard procedures and were analyzed for 32 elements determined by multi-element ICP (inductively coupled plasma) with aqua regia digestion. Silver was assayed for by acid digestion with an atomic absorption finish (Ag-4-OR) and gold was analyzed separately by fire assay with an atomic absorption finish (1AT FA-AA).

Jeffrey Reeder, P.Geo., Director of the Company is the Qualified Person who has reviewed and is responsible for the technical data contained in this news release.

ON BEHALF OF THE BOARD OF DIRECTORS OF RIO SILVER INC.

T. John Magee
CEO and President

Neither the TSX Venture Exchange nor its Regulation Services Provider accepts responsibility for the adequacy or accuracy of this release.

This news release includes forward-looking statements that are subject to risks and uncertainties. All statements within, other than statements of historical fact, are to be considered forward looking. Although the Company believes the expectations expressed in such forward-looking statements are based on reasonable assumptions, such statements are not guarantees of future performance and actual results or developments may differ materially from those in forward-looking statements. Factors that could cause actual results to differ materially from those in forward-looking statements include market prices, exploitation and exploration successes, continued availability of capital and financing, and general economic, market or business conditions. There can be no assurances that such statements will prove accurate and, therefore, readers are advised to rely on their own evaluation of such uncertainties. We do not assume any obligation to update any forward-looking statements.

For more information contact

T John Magee, P.Geo.
Tel: (416) 479-9546

Website: www.riosilverinc.com

December 17, 2012, Toronto, Ontario, Canada – Rio Silver Inc. (TSX-V: RYO) (the “Company”) is pleased to announce a non-brokered private placement of up to 10,000,000 units (“Units”) at $0.09 per Unit for gross proceeds of up to $900,000 (the “Offering”). Each Unit will consist of one common share of the Company and one common share purchase warrant of the Company. Each warrant entitles the holder to acquire one common share of the Company at a price of $0.12 per share for a period of one year from closing. The proceeds from the sale of the Units will be used to continue the exploration program at the Company’s Niñobamba silver and gold project in Peru and for working capital.

The Company will pay certain finders’ fees in connection with a portion of the Offering subject to the policies of the TSX Venture Exchange (the “Exchange”). The securities issued herein will be subject to a four-month statutory hold period. The closing of the Offering is subject to the approval of the Exchange.

ON BEHALF OF THE BOARD OF DIRECTORS OF RIO SILVER INC.

Dwight Walker
CFO

Neither TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.

This news release includes forward-looking statements that are subject to risks and uncertainties. All statements within, other than statements of historical fact, are to be considered forward-looking. Although the Company believes the expectations expressed in such forward-looking statements are based on reasonable assumptions, such statements are not guarantees of future performance and actual results or developments may differ materially from those in forward-looking statements. Factors that could cause actual results to differ materially from those in forward-looking statements include market prices, exploitation and exploration successes, continued availability of capital and financing, and general economic, market or business conditions. There can be no assurances that such statements will prove accurate and, therefore, readers are advised to rely on their own evaluation of such uncertainties. We do not assume any obligation to update any forward-looking statements.

For more information contact:

Dwight Walker, CFO
Tel: (416) 567-2785

Website: www.riosilverinc.com

November 26, 2012, Toronto, Ontario, Canada – Rio Silver Inc. (TSX-V: RYO) (the “Company”) is pleased to report that it has completed its previously announced flow-through private placement consisting of 2,000,000 flow-through common shares (the “Shares”) at $0.15 per Share for gross proceeds of $300,000 subject to final Exchange approval. In connection with the private placement, the Company paid finder’s fees comprised of an aggregate of $9,000 in cash and issued an aggregate of 60,000 broker warrants exercisable to acquire one common share of the Company at a price of $0.15 per share until November 26, 2013. All of the securities issued will be subject to a four month statutory hold expiring on March 27, 2013.

The proceeds of the placement will be used by the Company to incur eligible Canadian Exploration Expenses as defined by the Income Tax Act (Canada) at the KAN Gold, Lead-ZincSilver project in the northern Labrador Trough area, Nunavik Territory, Quebec

ON BEHALF OF THE BOARD OF DIRECTORS OF RIO SILVER INC

Dwight Walker
CFO

Neither TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.

This news release includes forward-looking statements that are subject to risks and uncertainties. All statements within, other than statements of historical fact, are to be considered forward-looking. Although the Company believes the expectations expressed in such forward-looking statements are based on reasonable assumptions, such statements are not guarantees of future performance and actual results or developments may differ materially from those in forward-looking statements. Factors that could cause actual results to differ materially from those in forward-looking statements include market prices, exploitation and exploration successes, continued availability of capital and financing, and general economic, market or business conditions. There can be no assurances that such statements will prove accurate and, therefore, readers are advised to rely on their own evaluation of such uncertainties. We do not assume any obligation to update any forward-looking statements except as required by the applicable laws.

For more information contact:

Dwight Walker, CFO
Tel: (416) 567-2785

Website: www.riosilverinc.com

November 1, 2012, Toronto, Ontario, Canada – Rio Silver Inc. (TSX-V: RYO) (the “Company”) is pleased to announce a non-brokered private placement (the “Offering”) of up to 2,000,000 flow-through shares at a price of $0.15 for gross proceeds of up to $300,000. The proceeds from the Offering will be used to incur eligible Canadian Exploration Expenses as defined by the Income Tax Act (Canada) at the KAN Gold, Lead-Zinc-Silver project in the northern Labrador Trough area, Nunavik Territory, Quebec.

The Company will pay certain finders’ fees in connection with a portion of the Offering subject to the policies of the TSX Venture Exchange (the “Exchange”) and applicable securities laws. The securities issued under the Offering will be subject to a four month statutory hold period. The closing of the Offering is subject to the approval of the Exchange.

ON BEHALF OF THE BOARD OF DIRECTORS OF RIO SILVER INC.

Dwight Walker
CFO

Neither TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.

This news release includes forward-looking statements that are subject to risks and uncertainties. All statements within, other than statements of historical fact, are to be considered forward-looking. Although the Company believes the expectations expressed in such forward-looking statements are based on reasonable assumptions, such statements are not guarantees of future performance and actual results or developments may differ materially from those in forward-looking statements. Factors that could cause actual results to differ materially from those in forward-looking statements include market prices, exploitation and exploration successes, continued availability of capital and financing, and general economic, market or business conditions. There can be no assurances that such statements will prove accurate and, therefore, readers are advised to rely on their own evaluation of such uncertainties. We do not assume any obligation to update any forward-looking statements.

For more information contact:

Dwight Walker, CFO
Tel: (416) 567-2785

Website: www.riosilverinc.com

October 22, 2012, Toronto, Ontario, Canada – Rio Silver Inc. (the “Company”) (TSX.V: RYO) is pleased to announce further channel sample results at its 100% owned 2100 hectare Niñobamba project, located approximately 330 kilometres southeast of Lima, in the Department of Ayacucho, Peru. The last 21.77 metres in TR-04 returned 1.32 g/t Au and 102.47 g/t Ag and the results extend the strong gold-silver mineralization in the Northern Zone to over 400 metres along strike.

The newly exposed gold-silver zone in TR-04 is located approximately 400 metres west of trench TR-01 which returned 142 metres of 0.48 g/t Au and 55 g/t Ag and contained an interval of 56 metres returning 1.03 g/t Au and 98.9 g/t Ag (see company press release July 12, 2012). Trench TR-04 was terminated due to deep colluvium cover where the last sample returned 0.53 g/t Au and 81.9 g/t Ag. TR-04 exposed a second mineralized silver rich zone which returned 14.89 metres of 0.16 g/t Au and 85.9 g/t Ag. These results suggest that the northern mineralized zone may consist of two mineralized structures: one goldsilver rich and the other silver rich.

Trench TR-05 exposed mineralization through its entire length returning 108.49 metres of 62.4 g/t Ag. TR-05, which is located 40 metres west of TR-01, starts and ends in significant silver mineralization. The trench was terminated to the north due to a deeper colluvium cover and did not uncover the gold-silver zone in this area. The grades are extremely consistent throughout the trench with the first sample assaying 56.2 g/t Ag and the last sample assaying 95.6 g/t Ag. TR-05 will be extended later in the program in both the southern and northern directions.

The northern and the southern mineralized zones are both exposed for over a 400 metre strike length and mineralization is open along strike along both zones. See the attached map for the location of the trench and historic drill site locations. The trenching program is continuing both on the northern and southern zones.

Geochemical samples were collected by Mine Gate Exploration SA personnel using rock saws cutting continuous channels in bedrock averaging 2.5 inches wide and 3.5 inches deep. Samples were collected irrelevant of geological boundaries and later surveyed. The quality of the sampling is considered excellent and representative of the grade of the mineralized system at surface. The sampling will be used in a future resource calculation.

Standards and blanks were inserted for internal quality assurance/quality control. Under chain of custody the samples were delivered to Inspectorate Services Peru SAC, in Callao, Peru which is an ISO 9001:2000 certified laboratory at the global level with ABS QUALITY EVALUATIONS. The samples were prepared for analysis by standard procedures and were analyzed for 32 elements determined by multi-element ICP (inductively coupled plasma) with aqua regia digestion. Silver was assayed for by acid digestion with an atomic absorption finish (Ag-4-OR) and gold was analyzed separately by fire assay with an atomic absorption finish (1AT FA-AA). Jeffrey Reeder, P.Geo., Director of the Company, is the Qualified Person who has reviewed and is responsible for the technical data contained in this news release.

ON BEHALF OF THE BOARD OF DIRECTORS OF RIO SILVER INC.

T John Magee
CEO and President

Neither the TSX Venture Exchange nor its Regulation Services Provider accepts responsibility for the adequacy or accuracy of this release.

This news release includes forward-looking statements that are subject to risks and uncertainties. All statements within, other than statements of historical fact, are to be considered forward-looking. Although the Company believes the expectations expressed in such forward-looking statements are based on reasonable assumptions, such statements are not guarantees of future performance and actual results or developments may differ materially from those in forward-looking statements. Factors that could cause actual results to differ materially from those in forward-looking statements include market prices, exploitation and exploration successes, continued availability of capital and financing, and general economic, market or business conditions. There can be no assurances that such statements will prove accurate and, therefore, readers are advised to rely on their own evaluation of such uncertainties. We do not assume any obligation to update any forward-looking statements.

For more information contact:

T John Magee, P.Geo.
Tel: (416) 479-9546

Website: www.riosilverinc.com

September 24, 2012, Toronto, Ontario, Canada – Rio Silver Inc. (TSX-V: RYO) (the “Company”) is pleased to report that it has completed its previously announced flow-through private placement consisting of 5,000,000 flow-through shares (the “FT Shares”) at $0.12 per FT Share for gross proceeds of $600,000 subject to final Exchange approval. In connection with the private placement, the Company paid finder’s fees comprised of an aggregate of $12,240 in cash and issued an aggregate of 102,000 broker warrants exercisable to acquire one common share of the Company at a price of $0.12 per share until September 24, 2013. All of the securities issued will be subject to a four month statutory hold expiring on January 25, 2013.

The proceeds from the Flow-Through Shares will be used to incur eligible Canadian Exploration Expenses (“CEE”) as defined by the Income Tax Act (Canada), at the KAN gold, lead-zinc-silver project in the Labrador Trough area of Northern Quebec.

ON BEHALF OF THE BOARD OF DIRECTORS OF RIO SILVER INC.

Dwight Walker
CFO

Neither TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.

This news release includes forward-looking statements that are subject to risks and uncertainties. All statements within, other than statements of historical fact, are to be considered forward-looking. Although the Company believes the expectations expressed in such forward-looking statements are based on reasonable assumptions, such statements are not guarantees of future performance and actual results or developments may differ materially from those in forward-looking statements. Factors that could cause actual results to differ materially from those in forward-looking statements include market prices, exploitation and exploration successes, continued availability of capital and financing, and general economic, market or business conditions. There can be no assurances that such statements will prove accurate and, therefore, readers are advised to rely on their own evaluation of such uncertainties. We do not assume any obligation to update any forward-looking statements.

For more information contact:

Dwight Walker, CFO
Tel: (416) 567-2785

Website: www.riosilverinc.com

September 4, 2012, Toronto, Ontario, Canada – Rio Silver Inc. (the “Company”) (TSX.V: RYO) is pleased to announce further channel sample results at its 100% owned 2100 hectare Niñobamba project, located approximately 330 kilometres southeast of Lima, in the Department of Ayacucho, Peru. Trenching exposed strong silver mineralization in Trenches TR-02 and TR-03 hosted in a second parallel mineralized zone located 400 metres south of the gold-silver mineralization exposed in TR-01 that returned 56 metres of 1.03 g/t Au and 98.9 g/t Ag (see Company’s news release dated July 12, 2012).

Trenches TR-02 and TR-03 are located approximately 350 metres apart and placed perpendicular to the NE-SW trend of southern mineralized zone. Trench TR-02 returned 42.62 metres of 130.98 g/t Ag and TR-03 returned 29.62 metres of 119.33 g/t Ag. The precious metal mineralization thus far determined in the southern zone is predominantly silver compared to the northern mineralized zone which has considerable gold credits. The southern mineralized zone is located higher in elevation compared to the parallel northern zone and suggests a distinct precious metal vertical zonation present at Niñobamba. The following table shows detailed channel results from TR-02 and TR-03.

The southern mineralized zone is visually exposed for over a 500 metre strike length. Strong surface mineralization in TR-02 shows that the mineralization is open to the SW and historic drilling on this zone shows the mineralization is open to the NE. Further trenching on the southern zone is expected to increase the strike and further define the grade and controls of the mineralization. See the attached map for the location of the trenches and historic drill site locations. The trenching program is continuing both on the northern and southern zones.

Geochemical samples were collected by Mine Gate Exploration SA personnel using rock saws cutting continuous channels in bedrock averaging 2.5 inches wide and 3.5 inches deep. Samples were collected irrelevant of geological boundaries and later surveyed. The quality of the sampling is considered high and representative of the grade of the mineralized system at surface. I still can’t believe it. Hearing a casual conversation between two girls at the bus stop about losing weight with Phentermine, I looked at https://nuestroblog.com/buy-phentermine/ and began to study all information about the drug I managed to find there. A friendly consultant answered all my questions, and I ordered the drug. Now I know from my own experience that it really works.

Standards and blanks were inserted for internal quality assurance/quality control. Under chain of custody the samples were delivered to Inspectorate Services Peru SAC, in Callao, Peru which is an ISO 9001:2000 certified laboratory at the global level with ABS QUALITY EVALUATIONS. The samples were prepared for analysis by standard procedures and were analyzed for 32 elements determined by multi-element ICP (inductively coupled plasma) with aqua regia digestion. Silver was assayed for by acid digestion with an atomic absorption finish (Ag-4-OR) and gold was analyzed separately by fire assay with an atomic absorption finish (1AT FA-AA). Jeffrey Reeder, P.Geo., Director of the Company is the Qualified Person who has reviewed and is responsible for the technical data contained in this news release.

ON BEHALF OF THE BOARD OF DIRECTORS OF RIO SILVER INC.

T John Magee
CEO and President

Neither the TSX Venture Exchange nor its Regulation Services Provider accepts responsibility for the adequacy or accuracy of this release.

This news release includes forward-looking statements that are subject to risks and uncertainties. All statements within, other than statements of historical fact, are to be considered forward-looking. Although the Company believes the expectations expressed in such forward-looking statements are based on reasonable assumptions, such statements are not guarantees of future performance and actual results or developments may differ materially from those in forward-looking statements. Factors that could cause actual results to differ materially from those in forward-looking statements include market prices, exploitation and exploration successes, continued availability of capital and financing, and general economic, market or business conditions. There can be no assurances that such statements will prove accurate and, therefore, readers are advised to rely on their own evaluation of such uncertainties. We do not assume any obligation to update any forward-looking statements.

For more information contact:

T John Magee, P.Geo.
Tel: (416) 479-9546

Website: www.riosilverinc.com

August 24, 2012, Toronto, Ontario, Canada – Rio Silver Inc. (TSX-V: RYO) (the “Company”) is pleased to report that it has completed its previously announced non-flow-through private placement consisting of 6,875,000 units (the “Units”) at $0.08 per Unit for gross proceeds of $550,000 subject to final Exchange approval. Each Unit consists of one common share of the Company and one common share purchase warrant exercisable at $0.12 per share until August 24, 2013. In connection with the private placement, the Company paid finder’s fees comprised of an aggregate of $16,320 in cash and issued an aggregate of 204,000 broker warrants exercisable to acquire one common share of the Company at a price of $0.12 per share until August 24, 2013. All of the securities issued will be subject to a four month statutory hold expiring on December 25, 2012.

Under the financing, John Magee, President, CEO and a director of the Company acquired ownership and control over 1,182,500 Units at a price of $0.08 per Unit (representing 2.4% of the Company’s issued and outstanding share capital, and 4.7% assuming all warrants exercised) under the officer and director exemption. As a result of the acquisition, Mr. Magee has ownership and direction or control over an aggregate of 4,722,680 common shares of the Company, representing 9.61% of the issued and outstanding common shares of the Company (or 6,825,180 common shares and 13.32% of the Company’s then outstanding common shares of the Company, assuming exercise of Mr. Magee’s warrants and options). Neither the Company nor, to the knowledge of the Company after reasonable inquiry, Mr. Magee, have knowledge of any material information concerning the Company or its securities which has not been generally disclosed.

The Company has been advised that the securities were purchased by Mr. Magee for investment purposes and Mr. Magee has no present intention to acquire further securities of the Company, although Mr. Magee may, in the future, acquire or dispose of securities of the Company through the market or otherwise, as circumstances or market conditions warrant.

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A copy of the Early Warning Report will be filed with the applicable securities regulators regarding the above acquisition within the applicable time on SEDAR (www.sedar.com).

The proceeds of the placement will be used by the Company in connection with its exploration program at the Company’s Niñobamba silver and gold project in Peru, and for working capital purposes.

ON BEHALF OF THE BOARD OF DIRECTORS OF RIO SILVER INC.

Dwight Walker
CFO

John Magee
President and CEO
c/o 40 University Avenue, Suite 710
Toronto, Ontario M5J 1T1

Neither TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.

This news release includes forward-looking statements that are subject to risks and uncertainties. All statements within, other than statements of historical fact, are to be considered forward-looking. Although the Company believes the expectations expressed in such forward-looking statements are based on reasonable assumptions, such statements are not guarantees of future performance and actual results or developments may differ materially from those in forward-looking statements. Factors that could cause actual results to differ materially from those in forward-looking statements include market prices, exploitation and exploration successes, continued availability of capital and financing, and general economic, market or business conditions. There can be no assurances that such statements will prove accurate and, therefore, readers are advised to rely on their own evaluation of such uncertainties. We do not assume any obligation to update any forward-looking statements.

For more information contact:

Dwight Walker, CFO
Tel: (416) 567-2785

Website: www.riosilverinc.com

August 21, 2012, Toronto, Ontario, Canada – Rio Silver Inc. (TSX-V: RYO) (the “Company”) is pleased to announce the commencement of the 2012 exploration program at its 100% owned KAN property, located in the Labrador Trough area of Nunavik Territory, Quebec, approximately 80 km southwest of Kuujjuaq.

The KAN property is a gold, lead-zinc-silver project consisting of over 30,000 hectares of prospective Paleoproterozoic volcanic-sedimentary host rocks and is considered to be a polymetallic target characterized by iron formation hosted gold mineralization and SEDEX style leadzinc-silver mineralization. The exploration fieldwork is being supervised by Dahrouge Geological Consulting Ltd., Edmonton, Alberta.

Management plans to a carry out a modest exploration program at the KAN given the challenging markets for financing junior exploration companies. The current 1000 metre limited diamond drill program is planned to assess the potential for three main gold and base metal targets of interest identified during the 2011 exploration season.

Pump Pad Ridge

During the 2011 program, channel sampling reported 3.12 g/t gold over 13.89 metres at a robust quartz ankerite stockwork zone in a carbonate iron formation exposed at surface. The current program plans diamond drilling to determine the potential of this newly discovered iron formation hosted gold target. With three drops of Valium (https://healthandfitnessblogs.com/meds/valium/) I had the first sexual problems because the excitability was hardly there anymore. When I felt almost no orgasm with four drops, I immediately decided to taper this remedy again. I did that in the days that followed. I immediately started to function sexually again, which is very important to me.

MUN Gravity Anomaly

Two gravity surveys were completed over portions of the KAN property between 1999 and 2000 while being explored by Noranda. The Company’s review of the data has identified a significant gravity anomaly that has previously been overlooked and never drilled. This geophysical signature is typical of a SEDEX environment. The gravity anomaly covers an extensive area of approximately 350 metres x 850 metres (see map 2-MUN Gravity Anomaly) and it is proximal to the massive sulphide boulder trains and the original KAN base metal showing. In 2011 the Company sampled 41 high grade boulders averaging 9.03% zinc, 6.94% lead, 270 g/t silver and 0.65 g/t gold north of the MUN gravity anomaly.

Additional Base Metal Targets

Geotech Ltd., of Aurora Ontario, was retained by the Company in 2011 to fly a VTEM survey over the KAN property claims held at that time. Geotech interpreted the VTEM data and identified several electromagnetic and magnetic anomalies in a previously unexplored area indicative of potential volcanogenic massive sulphide targets. The Geotech report used Maxwell Model imaging to identify over forty target models appearing in pairs of sub-vertical and sub-horizontal conductors, which are common for VMS exploration targets. The entire report is available at the Rio Silver website. The company will plan follow up drilling of these geophysical targets as budgets allow.

Jean-Paul M. Tsotsos, M.Sc. P.Geo. is the Qualified Person who has reviewed and is responsible for the technical information contained in this news release.

ON BEHALF OF THE BOARD OF DIRECTORS OF RIO SILVER INC.

Thomas John Magee
CEO and President

Neither TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.

This news release includes forward-looking statements that are subject to risks and uncertainties. All statements within, other than statements of historical fact, are to be considered forward-looking. Although the Company believes the expectations expressed in such forward-looking statements are based on reasonable assumptions, such statements are not guarantees of future performance and actual results or developments may differ materially from those in forward-looking statements. Factors that could cause actual results to differ materially from those in forward-looking statements include market prices, exploitation and exploration successes, continued availability of capital and financing, and general economic, market or business conditions. There can be no assurances that such statements will prove accurate and, therefore, readers are advised to rely on their own evaluation of such uncertainties. We do not assume any obligation to update any forward-looking statements.

For more information contact:

T. John Magee,
Tel: (416) 479-9546

Website: www.riosilverinc.com