Rio Alto Mining Limited Announces Lead Assays from Trenching Program by 24hGold

In the News and Medias of Rio Alto Mining Limited

7/6/2012	Rio Alto continues to get high grade gold kick at Peru mine
5/3/2012	Junior focus: Rio Alto gold grade double mine plan – but not...
12/3/2009	Rio Alto Mining eyes start of its Peru project
1/31/2008	Follow up N° 2

Annual reports of Rio Alto Mining Limited

Financings of Rio Alto Mining Limited

11/30/2010	Completes First Tranche of Private Placement for C$12.8 Mill...
11/23/2010	Private Placement of Common Shares
1/7/2009	Extends Expiry Date of Outstanding Warrants
12/23/2008	Proposes to Extend Expiry Date of Outstanding Warrants

Option Grants of Rio Alto Mining Limited

7/23/2009	Name Change to Rio Alto Mining Limited and Grant of Stock Op...
5/25/2009	Announces Grant of Stock Options

Nominations of Rio Alto Mining Limited

3/14/2011	Announces Appointment of Victor Gobitz and Sidney Robinson t...
2/18/2011	Announces the Departure of Feisal Somji
12/7/2010	Mr. Paul Tweddle has been appointed as Vice President of Pla...
6/17/2008	Appoints Jose Sayo Garcia as VP Exploration and Brings Addit...

Project news of Rio Alto Mining Limited

4/29/2011	(La Arena)Drills 173 Metres of 1.53 Grams of Gold Per Tonne
2/9/2011	(La Arena)Announces Acquisition of 100% of La Arena Project
12/20/2010	(La Arena)Provides La Arena Project Update
9/15/2010	(La Arena)Increases La Arena Probable Reserves to 2.57 Million oz Au a...
8/5/2009	(La Arena)La Arena Surface Rights and Project Update
6/29/2009	(La Arena)Confirms Option Agreement on La Arena and Equity Position in...
7/7/2008	(Mamulique)Commences First Phase Drilling at the Mamulique Project
6/4/2008	(Ral ( La Iguana ))Reports Extension of Mantos in the First Phase of Drilling a...
5/12/2008	(La Blanca)Discovers New High Grade Veins
3/25/2008	(Vallecillo)Initiates IP Geophysics at Vallecillo
2/19/2008	(Mamulique) Announces Positive Exploration Results and Drill Plan for t...
1/30/2008	(Ral ( La Iguana ))Announces an Exploration Update on its Iguana Project
1/23/2008	(Vallecillo)Reports further drill results from the Vallecillo drill prog...

Corporate news of Rio Alto Mining Limited

6/30/2009	Completes Acquisition of Rio Alto Mining Limited
6/22/2009	Enters Definitive Agreement to Acquire Rio Alto Mining Limit...
4/6/2009	Business Combination of Mexican Silver Mines Ltd. and Rio Al...
3/13/2009	Announces Resumption of Trading
3/10/2009	Enters into Letter of Intent to Acquire Rio Alto Mining Limi...
2/25/2009	at 2009 Prospectors & Developers Association of Canada Confe...
12/19/2008	Featured on Business Television
11/19/2008	Provides a Corporate Update and Initiates Review of Strategi...
10/2/2008	Featured on Business Television
4/23/2008	Grants and Re-Prices Options
4/8/2008	Announces the Addition of Jim Glass to Board of Directors
2/29/2008	2007 Q3 Report
1/28/2008	Announces Exploration Results from the Magnolia Mine Area wi...
12/5/2007	Announces Positive Drill Assay Results From Vallecillo and ...
11/30/2007	2007 Q2 report
11/19/2007	Acquires the Voladora Mine in the State of Nuevo Leon
10/31/2007	Increases Drill Program at Vallecillo

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