Rio Alto Mining Limited

Rio Alto Mining Limited

November 23, 2010 09:27 ET

Rio Alto Mining Limited: Private Placement of Common Shares

CALGARY, ALBERTA--(Marketwire - Nov. 23, 2010) - Rio Alto Mining Limited ("Rio Alto") (TSX VENTURE:RIO)(OTCQX:RIOAF)(BVLAC:RIO)(DBFrankfurt:MS2)(A0MSLE) is pleased to announce that it is undertaking a private placement of its common shares (the "Shares"). Kallpa Securities S.A.B. ("Kallpa") will act as the agent to offer the Shares on a commercially reasonable best efforts basis to qualified South American investors. Shares may also be offered to qualified investors outside of South America on a non-brokered basis.

The private placement will be completed for maximum proceeds of C$20 million and minimum proceeds of C$10 million based on an issue price of C$1.68 (US$1.65) per Share. The issue price was determined by Rio Alto and Kallpa in the context of the market. Completion of the private placement is subject to customary conditions including, but not limited to, the approval of the TSX Venture Exchange. Closing is expected to occur on or before November 30, 2010.

Of the net proceeds of the private placement, $10 million will be used by Rio Alto to develop La Arena Gold Oxide Project in Peru and for related working capital requirements with the balance to be used by Rio Alto to partially exercise its option under the Option and Earn-in Purchase Agreement dated June 15, 2009 to acquire shares of La Arena S.A., the owner of La Arena Project, and to conduct exploration activities on other areas of La Arena Project.

To learn more about Rio Alto Mining Limited, please visit: or Rio Alto's SEDAR profile at


Anthony Hawkshaw, Director and Chief Financial Officer

Forward Looking Statements

Certain statements contained herein constitute forward-looking statements, including the expected amount of and use of proceeds and timing of the closing of a private placement of the Shares and for the development of the La Arena Gold Oxide Project. Rio Alto believes the expectations reflected in these forward looking statements are reasonable but no assurance can be given that these expectations will prove to be correct and such forward-looking statements in this press release should not be unduly relied upon. Closing of the private placement could be delayed if Rio Alto cannot obtain necessary regulatory approvals within anticipated timelines and will not be completed unless certain conditions customary for transactions of this sort are satisfied. Forward looking statements included in this press release are made as of the date of this press release and Rio Alto disclaims any intention or obligation to update or revise any forward-looking statements, whether as a result of new information, future events or otherwise, except as expressly required by applicable securities legislation.

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

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