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*Rio Alto Mining Limited 
Listed Company 
Current   Past  
Fiscal Year EndCompany StatusExempt Flag
May 31DelistN
Incorporation Locations
Inc. DateExpiry DateCountryRegionDescription
25/May/1990 23/Feb/2012 Canada   
Exchange Filing Office
Location
(not available)
Business Type(s)
Primary/SecondaryBusiness TypeDetails
Primary  *Silver Mining  Rio Alto Mining Limited is the result of an amalgamation with Mexican Silver Mines. The company is focused on near term gold production in Peru and silver exploration on its highly prospective silver properties in Mexico. - Gold Mining 
  *Gold And Silver Mining  Acquisition, exploration and development of mineral properties 
Securities
SymbolSecurity NameMarketStatus
*RIO*Rio Alto Mining LimitedTSX VentureDELIST
*MSM*Mexican Silver Mines LtdTSX VentureDELIST
*PDC.H*Premier Diamond Corp.TSX VentureDELIST
*PDC*Premier Diamond Corp.TSX VentureDELIST
*PML*Premier Minerals Ltd.TSX VentureDELIST
*PML*Premier Minerals Ltd.VSEDELIST
*WTF*Waterford Resources IncVSEDELIST
Name HistoryFromTo
*Rio Alto Mining Limited24/Jul/200923/Feb/2012
*Mexican Silver Mines Ltd.14/May/200723/Jul/2009
*Premier Diamond Corp.5/Mar/200113/May/2007
*Premier Minerals Ltd.2/Jun/19934/Mar/2001
*Waterford Resources Inc.25/May/19901/Jun/1993
Company Facts Reconciliation
SubjectDate Returned
Summer 2011 CFR4/Aug/2011
Associations
Auditing Firm:  *Davidson & Company LLP
Investor Relations:  *Alejandra Gomez
Law Firm:  *DLA Piper (Canada) LLP
  *Borden Ladner Gervais LLP
Sponsor:  *Canaccord Genuity Corp.
Transfer Agent:  *CST Trust Company
  *Computershare Trust Company of Canada
  *Computershare
Latest Information
TypeDateTitle
News Releases  22/Feb/2012  NEWS RELEASE - RIO ALTO TO COMMENCE TRADING ON THE TORONTO STOCK EXCHANGE[MARKETWIRE]
    NEWS RELEASE - RIO ALTO MINING LIMITED-CORPORATE UPDATE: FILING OF TECHNICAL REPORT[MARKETWIRE]
    NEWS RELEASE - OFFICER APPOINTMENTS[MARKET NEWS]
Bulletins  23/Feb/2012  Graduation
Meetings and Public Filings  Information on financial statements, public filings and corporate meetings for all Canadian public companies can be found at www.sedar.com
Property Locations
Location Name: *Operating Location Area Name: * 
Effective Date: 25/May/1990 Location Ownership Percent: 100 
Expiry Date: 23/Feb/2012 Phone: (not available)
Address: British Columbia
Canada
North America
Fax: (not available)
Description:  

* Historical Data