Orvana Announces Changes to Executive Management

TORONTO, ONTARIO -- (Marketwire) -- 06/05/12 -- Orvana Minerals Corp. (TSX: ORV) ("The Company"), announces the appointments of Daniella Dimitrov as Chief Financial Officer of the Company and Mauricio Pero as Executive Vice President of Empresa Minera Paititi ("EMIPA"), a wholly-owned subsidiary of the Company, effective June 1.

Ms. Dimitrov has over 18 years of experience in capital markets and in operational mining and financial services. Ms. Dimitrov's previous roles include Director and Executive Vice-Chair with Baffinland Iron Mines through its acquisition by ArcelorMittal, Senior Vice President, Strategic Initiatives, of Raymond James and Chief Operating Officer of Dundee Securities. Ms. Dimitrov has a Bachelor of Laws and is completing an Executive MBA at Kellogg School of Management and Schulich School of Business. She succeeds Mr. Malcolm King, who has served in the Chief Financial Officer role since 2005 and will retire following a brief transition period.

Mr. Pero has nearly 30 years of operations experience in the mining industry, including 12 years as Mine Superintendent and Project Manager at the Inti Raymi mine in Bolivia, and most recently as the General Director of Operations for Southern Peru Copper Corporation in Lima, Peru. Mr. Pero holds a Masters of Science in mining engineering as well as an MBA from Columbia University. He replaces Carlos Mirabal, who recently resigned after serving in various executive management roles for Orvana since 2006.

"We welcome Ms. Dimitrov and Mr. Pero to the Orvana management team and look forward to their contributions in refining and executing a strategy to maximize value of the Company's assets," said Bill Williams, President and Chief Executive Officer of the Company. "We thank Messrs. King and Mirabal for their services and wish them well in their future endeavours."

Ms. Dimitrov resigned her position as a Director of Orvana effective 31 May.

About Orvana

Orvana is a multi-mine gold and copper producer. Orvana's primary asset is the El Valle/Boinas-Carles gold-copper Mine in northern Spain. Orvana also operates the Don Mario Mine in Bolivia, where the mining and processing of the copper-gold-silver Upper Mineralized Zone deposit reached commercial production during the Company's fiscal year 2012 second quarter. Orvana recently filed an NI 43-101-compliant feasibility study and received a mine permit on its Copperwood copper project in Michigan, USA. Additional information is available at Orvana's website (www.orvana.com).

Forward Looking Disclaimer

Certain statements in this press release constitute forward-looking statements or forward-looking information within the meaning of applicable securities laws ("forward-looking statements"). Any statements that express or involve discussions with respect to predictions, expectations, beliefs, plans, projections, objectives, assumptions, potentials, future events or performance (often, but not always, using words or phrases such as "believes", "expects" "plans", "estimates" or "intends" or stating that certain actions, events or results "may", "could", "would", "might", "will" or "are projected to" be taken or achieved) are not statements of historical fact, but are forward-looking statements.

Forward-looking statements relate to, among other things, all aspects of the development of the Upper Mineralized Zone ("UMZ") deposit at the Don Mario Mine in Bolivia, the El Valle-Boinas/Carles ("EVBC") project in Spain and the Copperwood project in Michigan and their potential operations and production; the outcome and timing of decisions with respect to whether and how to proceed with such development and production; the timing and outcome of any such development and production; estimates of future capital expenditures; mineral resource estimates; estimates of permitting time lines; statements and information regarding future feasibility studies and their results; production forecasts; future transactions; future metal prices; the ability to achieve additional growth and geographic diversification; future production costs; future financial performance, including the ability to increase cash flow and profits; future financing requirements; and mine development plans.

Forward-looking statements are necessarily based upon a number of estimates and assumptions that, while considered reasonable by Orvana as of the date of such statements, are inherently subject to significant business, economic and competitive uncertainties and contingencies. The estimates and assumptions of Orvana contained or incorporated by reference in this news release, which may prove to be incorrect, include, but are not limited to, the various assumptions set forth herein as well as: there being no significant disruptions affecting operations, whether due to labour disruptions, supply disruptions, power disruptions, damage to equipment or otherwise; permitting, development, operations, expansion and acquisitions at the UMZ deposit, EVBC and the Copperwood projects being consistent with the Company's current expectations; political developments in any jurisdiction in which the Company operates being consistent with its current expectations; certain price assumptions for gold, copper and silver; prices for key supplies being approximately consistent with current levels; production and cost of sales forecasts meeting expectations; the accuracy of the Company's current mineral reserve and mineral resource estimates; and labour and materials costs increasing on a basis consistent with Orvana's current expectations.

A variety of inherent risks, uncertainties and factors, many of which are beyond the Company's control, affect the operations, performance and results of the Company and its business, and could cause actual events or results to differ materially from estimated or anticipated events or results expressed or implied by forward looking statements.

Some of these risks, uncertainties and factors include fluctuations in the price of gold, silver and copper; the need to recalculate estimates of resources based on actual production experience; the failure to achieve production estimates; variations in the grade of ore mined; variations in the cost of operations; the availability of qualified personnel; the Company's ability to obtain and maintain all necessary regulatory approvals and licenses; the Company's ability to use cyanide in its mining operations; risks generally associated with mineral exploration and development, including the Company's ability to develop the UMZ deposit and the EVBC project to commercial levels of production and further develop the Copperwood project; the Company's ability to acquire and develop mineral properties and to successfully integrate such acquisitions; the Company's ability to obtain financing when required on terms that are acceptable to the Company; challenges to the Company's interests in its property and mineral rights; and current, pending and proposed legislative or regulatory developments or changes in political, social or economic conditions in the countries in which the Company operates; general economic conditions worldwide.

Forward-looking statements are based on management's current plans, estimates, projections, beliefs and opinions and, except as required by law, the Company does not undertake any obligation to update forward-looking statements should assumptions related to these plans, estimates, projections, beliefs and opinions change. Readers are cautioned not to put undue reliance on forward-looking statements.

Contacts:

Orvana Minerals Corp.

Natalie Frame

Investor Relations

(289) 200-7640


Orvana Minerals Corp.

Bill Williams

President and Chief Executive Officer

(416) 369-1629
ask_us@orvana.com
www.orvana.com