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September 29, 2011

Lithium One Advances on Key Project Development Milestones for its Sal de Vida Lithium and Potash Project

Lithium One Inc. (the "Company") (TSX-V: LI), is pleased to announce that it has achieved a number of technical and legal milestones at its flagship Sal de Vida lithium and potassium brine project at Salar del Hombre Muerto, in northwest Argentina. These include:
  • A defined process for refining the lithium and potash from the pilot plant production, as well as important inputs to the final process design flow sheet for the lithium and potash plants.
  • Completion of a key environment and community related baseline study, which will form a key part of the foundation of the mine permitting process.
  • Registration of the Company's Argentine subsidiary under the Argentine National Mining Act so that it can utilize various tax and import benefits afforded registered companies.
Lithium One President and COO Patrick Highsmith commented, "These excellent engineering results and administrative achievements reinforce the overall viability of the Sal de Vida Project by bringing us several steps closer to feasibility and low-cost production. Our chemical engineering team continues to refine the pilot plant and its lithium and potash products. Work to date is outlining a production plan which will produce large volumes of high quality lithium carbonate and potash".

Process testing developments

Lithium One has significantly advanced the process flow sheet for the Sal de Vida project. Lab and pilot scale testwork have now mapped the path to production of battery-grade lithium carbonate and standard grade potash. Key advancements in the process development include:

  • Magnesium removal: Confirming early indications from laboratory trials, pilot plant operations continue to yield lithium and potash recoveries with little evidence of the negative effects of magnesium. The brine entering the pilot evaporation ponds has been pre-treated with lime, resulting in the removal of the vast majority of magnesium. In order to confirm the purity of the final plant feed brine, laboratory methods are now being refined so that the trace levels of residual magnesium can be detected.
  • Boron recovery: Removal of boron from the final lithium brine concentrate is a key step in producing battery-grade lithium carbonate. Building on their past experience, Hazen Research Inc. of Golden, Colorado has successfully identified a reagent that effectively captures the boron from the final lithium brine. As the boron extraction step is scaled-up to the pilot plant, the Company will determine if boron can be economically recovered and sold as a by-product.
  • Lithium carbonate purification: The pilot plant has been recovering lithium carbonate since January of 2011. The purity of the product is improved by removing the trace impurities with simple chemical precipitations. According to standard methods, Hazen Research has now tested and confirmed a cost-effective series of procedures that result in high purity lithium carbonate. This final polishing step is being designed into the pilot-plant now.
  • Potash recovery and upgrading: Due to the high potassium and low sulfate content of the Sal de Vida brine, the pilot evaporation ponds have been yielding good potash recovery for months. The potash concentrate from the ponds has now been upgraded with lab-scale flotation cells. These initial tests demonstrated that the potash can be effectively separated from the associated halite (common salt) using conventional flotation methods. This data are being incorporated into the pilot plant, a major step in designing the potash plant process flow sheet.
Preliminary Economic Assessment (PEA) and Pumping Tests:

Engineering firm ARA Worley Parsons is finalizing the PEA for the Sal de Vida Project. The Company expects to release a summary of the PEA shortly, including capital and operating expenses, along with a cash flow model for the potential future operation.

Aimed at upgrading and expanding the existing NI 43-101 compliant lithium and potassium resource, core drilling continues on the project. Twenty of an anticipated 25 - 30 core holes have been completed. There are also two well drilling rigs developing production wells for the ongoing pumping tests. Based on pending drilling data and pump test results, there will likely be an expansion and upgrade of the resource in the coming weeks.

Completion of Environmental and Social baseline study

Environmental Resource Management (ERM Group Inc.) completed the environmental and social baseline study for the Sal de Vida Project area. While not necessarily required by the environmental authorities in Argentina, the Company considers such studies an element of best practice in the management of the environment and community relations. The process of auditing the field conditions and historic compliance on the properties, combined with the communities assessment, is also helpful in identifying potential future challenges as well as the community stakeholders in the project. As such, it will be an important component of the Environmental Impact Study for the proposed lithium and potash brine project.

The study did not identify any major environmental liabilities or conflicts with local stakeholders. In fact, the report demonstrates that resource development in and around Salar del Hombre Muerto has been consistent with local community standards and participation. The findings of the report are positive for Lithium One because it establishes the site as an active industrial area where the local communities have been involved in exploitation of boron and lithium for many areas, and yet it identified no significant negative impacts to the environment or communities.

Registration under the Mining Law

Argentina National Mining Secretary Jorge Mayoral last week signed a declaration stating that Lithium One's Argentine subsidiary is registered under Mining Investment Law N

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