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Additional information relating to the Company's projects is available in "Technical Report - Salar de Olaroz Lithium-Potash Project, Argentina" dated May 30, 2011, (the Olaroz Report), the "Technical Report - Salinas Grandes Project" dated April 30, 2010 and the "Technical Report - Salar de Cauchari Project, Argentina" dated April 30, 2010, respectively, which have each been prepared by John Houston, Consulting Hydrogeologist, together with, in the case of the Olaroz Report, Mike Gunn, Consulting Processing Engineer, in accordance with NI 43-101.

Information in this announcement relating to the testing results of Lithium Americas Corp. has not been verified by Orocobre, and such information is not necessarily indicative of results that will be obtained by Orocobre at the Cauchari Project.

Caution Regarding Forward-Looking Information

This report contains "forward-looking information" within the meaning of applicable securities legislation. Forward-looking information contained in this report may include, but is not limited to, the financing of the Olaroz Project, the completion of definitive lending documentation with Mizuho and JOGMEC the provision of required guarantees by TTC and JOGMEC, the commencement and completion of construction at the Olaroz Project and the timing thereof, the commencement of commercial production at the Olaroz Project and the timing thereof, the estimated capital cost of the Olaroz Project, the design production rate for lithium carbonate and potash at the Olaroz Project, the expected brine grade at the Olaroz Project, the expected operating costs at the Olaroz Project and the comparison of such expected costs to expected global operating costs, and the ongoing working relationship between Orocobre and the Province of Jujuy, the estimation and realization of resources at the Cauchari project, the viability, recoverability and processing of such resources, potential operating synergies between the Cauchari project and the Olaroz project, and other matters related to the development of the Cauchari project.

Such forward-looking information is subject to known and unknown risks, uncertainties and other factors that may cause actual results to be materially different from those expressed or implied by such forward-looking information, including but not limited to the risk that required guarantees will not be provided or that the project financing will otherwise not be completed with Mizuho Corporate Bank and JOGMEC; that further funding may be required, but unavailable, for the ongoing development of the Company's projects; fluctuations or decreases in commodity prices; uncertainty in the estimation, economic viability, recoverability and processing of mineral resources; risks associated with weather patterns and impact on production rate; risks associated with construction and development of the Olaroz Project; unexpected capital or operating cost increases; uncertainty of meeting anticipated program milestones at the Olaroz Project; general risks associated with the feasibility and development of the Olaroz Project; that further funding may be required, but unavailable, for the ongoing development of the Company's projects; changes in government regulations, policies or legislation; fluctuations or decreases in commodity prices; the possibility that required permits may not be obtained; uncertainty in the estimation or economic viability of mineral resources; general risks associated with the feasibility and development of the Cauchari project; unexpected capital or operating cost increases; the risk that the Olaroz project may not be completed; the risk that Orocobre will not be able to negotiate a arrangements to treat Cauchari brines at Olaroz with the Olaroz joint venture partner, Toyota Tsusho Corporation; uncertainty of meeting anticipated program milestones; as well as those factors disclosed in the Company's Annual Information Form for the year ended June 30, 2012 filed at www. sedar.com.

The Company believes that the assumptions and expectations reflected in such forward-looking information are reasonable. Assumptions have been made regarding, among other things: the Company's ability to carry on its exploration and development activities, the timely receipt of required approvals, the prices of lithium and potash, the ability of the Company to operate in a safe, efficient and effective manner and the ability of the Company to obtain financing as and when required and on reasonable terms. Readers are cautioned that the foregoing list is not exhaustive of all factors and assumptions which may have been used.

There can be no assurance that forward-looking information will prove to be accurate, as actual results and future events could differ materially from those anticipated in such information. Accordingly, readers should not place undue reliance on forward-looking information. The Company does not undertake to update any forward-looking information, except in accordance with applicable securities laws.

ABN 31 112 589 910



Contacts:
Orocobre Limited
David Hall
Business Development Manager
M: + 61 407 845 052
dhall@orocobre.com

Orocobre Limited
James Calaway
Chairman
M: + 1 (713) 818 1457
jcalaway@calawayinterests.com
www.orocobre.com