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Metallurgical Testwork Alumina

EPA Western Australia Worsley Alumina Pty Ltd. Metallurgical testwork has shown that cyanide leaching of the tailings from the supergene floatation circuit is necessary to maximise gold recovery. It is therefore proposed to expand the pre-leach circuit to include a carbon absorption circuit which will provide additional processing of the supergene and copper-rich basement ores. King River

FYI Resources announces outstanding metallurgical test

FYI Resources (ASX: FYI) (the “Company” or “FYI”), project developer of High Purity Alumina (HPA) in Western Australia is pleased to release outstanding metallurgical test results for its Pre-feasibility study (PFS) for HPA. The objective of the PFS testwork program is designed to determine the economic parameters of commercial production of HPA from the Cadoux Kaolin Project. FYI

4N HPA PRODUCED King River Resources Limited

High purity alumina assaying 99.99% Al 2 O 3 (4N HPA) produced from sulphuric acid leach solutions. King River Resources Limited (ASX: KRR) is pleased to provide this update on metallurgical precipitation testwork from the company’s 100% owned Speewah Specialty Metals (“SSM”) Project in the East Kimberley of Western Australia. KRR is

HPA metallurgical process flowsheet optimised for high

optimised high purity alumina (HPA) process flowsheet designed specifically for the kaolin feedstock from FYI's Cadoux project (EL70/4673) in Western Australia. This follows the recent achievement of independently verified 99.997% HPA from Cadoux. Highlights • Extensive metallurgical testwork undertaken on Cadoux’s superior kaolin characteristics • FYI’s metallurgical flow sheet

ALCHEMY RESOURCES LIMITED

metallurgical testwork has returned high alumina recoveries with 99.95% HPA produced without process optimisation, and further work is expected to improve on these encouraging initial results. Our Bryah Basin Base Metals and Gold Joint Ventures in Western Australia continue to be advanced at no cost to Alchemy by partners Sandfire Resources and Superior Gold respectively. Sandfire currently

METS Capability Statement

was approached by TNG to conduct metallurgical testwork on samples from Mount Peake located 235 km away from Alice Springs. In addition to conducting the testwork, METS created an economically viable process dubbed “TiVan” capable of extracting vanadium,

King River Resources (ASX:KRR) Rides High on New HPA

The metallurgical testwork of the Company, which uses a simplified purification process has been successful in producing a high purity precursor compound with very low levels of contaminants. A phase test which used XRD analysis has demonstrated that the alumina is converted to the stable alpha crystal finding suitability for LED and battery separator applications.

High Purity Alumina Use in Non-Metallurgical Applications

High Purity Alumina –Use in Non-Metallurgical Applications. To be a world leading producer of high purity alumina (HPA) Our Vision • Sapphire & Ruby • Natural form of high purity alumina (HPA) • Formed by mother nature like diamonds • Colour from impurities • Nearly as hard as diamond Sapphire Gemstone • Purified alumina (Al 2 O 3) • Greater than 99.99% (4N) purity • Max

HIGH PURITY ALUMINA King River Resources Limited

Metallurgical Testwork The initial metallurgical refining testwork had focused on developing a process flowsheet to precipitate Fe, V and Ti products from pregnant sulphuric acid leach solutions. This announcement reports on a new method to extract aluminium (Al) directly from the leach solutions as a precursor for making HPA and is a

HPA metallurgical process flowsheet optimised for high

optimised high purity alumina (HPA) process flowsheet designed specifically for the kaolin feedstock from FYI's Cadoux project (EL70/4673) in Western Australia. This follows the recent achievement of independently verified 99.997% HPA from Cadoux. Highlights • Extensive metallurgical testwork undertaken on Cadoux’s superior kaolin characteristics • FYI’s metallurgical flow sheet

NEWS RELEASE Metallurgical Testwork Indicates Marketable

Metallurgical Testwork Indicates Marketable Sinter Feed Product deleterious elements with phosphorous being less than 0.01% and alumina at only 0.20%. Manganese is within acceptable range at 0.75%, which will allow for the broadest possible market for the Kami product as it is well below the critical 1% cut-off.” Metallurgical Testwork The testwork was performed over a range of particle

ALCHEMY RESOURCES LIMITED

metallurgical testwork has returned high alumina recoveries with 99.95% HPA produced without process optimisation, and further work is expected to improve on these encouraging initial results. Our Bryah Basin Base Metals and Gold Joint Ventures in Western Australia continue to be advanced at no cost to Alchemy by partners Sandfire Resources and Superior Gold respectively. Sandfire currently

APPENDIX A METALLURGICAL TESTWORK DESCRIPTION

Metallurgical Testwork Issue Date: 13 November 2014 Report Page No: 28 APPENDIX A METALLURGICAL TESTWORK DESCRIPTION . Engenium Pty Ltd Document No: 9396A-REP-0000-Z-001 Bullamine Iron Ore Project Revision No: 1 Metallurgical Testwork Issue Date: 13 November 2014 Report Page No: 29 1.0 APPENDIX A METALLURGICAL TESTWORKDESCRIPTION The testwork

High Purity Alumina Use in Non-Metallurgical Applications

High Purity Alumina –Use in Non-Metallurgical Applications. To be a world leading producer of high purity alumina (HPA) Our Vision • Sapphire & Ruby • Natural form of high purity alumina (HPA) • Formed by mother nature like diamonds • Colour from impurities • Nearly as hard as diamond Sapphire Gemstone • Purified alumina (Al 2 O 3) • Greater than 99.99% (4N) purity • Max

Report Page No: i Reedy Lagoon

Metallurgical Testwork Issue Date: 13 November 2014 Report Page No: i DISCLAIMER This Document was compiled for Reedy LagoonCorporation by Engenium Pty Ltd (Engenium) as an independent consultant. It is based in part upon information furnished by Reedy LagoonCorporation,specialist consultants, contract service operators, vendors of equipment and Engenium’s engineering

Investor Presentation February 2019

Summervale Alumina metallurgical testwork & results 9 9 West Lynn / Summervale Scoping Study 9 9 9 9 9 9 9 Karonie RAB drilling (commencement & completion) 9 9 Karonie RAB drilling results 9 Overflow extension drilling (commencement & completion) 9 9 Overflow extension drilling assays announced 9 9 Proposed ASX Announcement. Summary Value of projects not recognised in Alchemy’s share price

Linmine Bauxite Project Guyana, South America

100% transformed into Alumina (99%Al 2 O 3) •95% transformed into Aluminium •5% used in Non-Metallurgical Applications Non-Metallurgical Applications (Bauxite) Refractories (1.7Mt) Abrasives (1.5Mt) Cement (1.8Mt) Slag Adjusters (0.6Mt) Proppant (0.5Mt) Bauxite Production (2000) Linmine Bauxite Project. Refractory “A” Super Calcined Grade Bauxite (RASC) Represents 86-89% of

Our team The Simulus Group

Over the past 18 years he has gained extensive operational and commissioning expertise encompassing a range of hydrometallurgical processes including copper, uranium, nickel, cobalt and gold. He has wide-ranging project management, design, metallurgical testwork, project financial analysis and due diligence experience for projects around the world.

HIGH PURITY ALUMINA King River Resources Limited

Metallurgical Testwork The initial metallurgical refining testwork had focused on developing a process flowsheet to precipitate Fe, V and Ti products from pregnant sulphuric acid leach solutions. This announcement reports on a new method to extract aluminium (Al) directly from the leach solutions as a precursor for making HPA and is a

Further outstanding metallurgical results exceed target of

metallurgical analysis for the Cadoux high purity alumina (HPA). Verification of FYI’s HPA grade by metallurgical laboratory, Metallurgy Pty Ltd, confirms a consistent HPA grade for the Company’s standard “run of plant” and intermediate product ranging from 99.996% to 99.997% Al 2 O 3 achieved from testwork carried out by IMO on feedstock from the 100% owned Cadoux kaolin project. This

NEWS RELEASE Metallurgical Testwork Indicates Marketable

Metallurgical Testwork Indicates Marketable Sinter Feed Product deleterious elements with phosphorous being less than 0.01% and alumina at only 0.20%. Manganese is within acceptable range at 0.75%, which will allow for the broadest possible market for the Kami product as it is well below the critical 1% cut-off.” Metallurgical Testwork The testwork was performed over a range of particle

Metallurgical Testwork Relating to the Development of the

Metallurgical Testwork Relating to the Development of the Blötberget Iron Ore Deposit, Sweden commonly found in iron ores such as alumina, sulphur, and alkalis. The hematite concentrate contained slightly elevated levels of titanium (0.3-0.35 % TiO 2). The testwork suggests that there may be potential to recover a relatively coarse grained concentrate (top size of 1.0-1.2mm) by a

ALCHEMY RESOURCES LIMITED

metallurgical testwork has returned high alumina recoveries with 99.95% HPA produced without process optimisation, and further work is expected to improve on these encouraging initial results. Our Bryah Basin Base Metals and Gold Joint Ventures in Western Australia continue to be advanced at no cost to Alchemy by partners Sandfire Resources and Superior Gold respectively. Sandfire currently

Hudson Reports 94% Aluminum Extraction from initial

Downstream testwork on leach solutions is ongoing and includes aluminum chloride precipitation, alumina production and acid regeneration testing. Once this testwork is completed, Hudson will initiate a scoping study to determine the preliminary economics of producing an alumina product and potential silica and calcium by- products. Testwork is expected to be completed in the second quarter.

High Purity Alumina Use in Non-Metallurgical Applications

High Purity Alumina –Use in Non-Metallurgical Applications. To be a world leading producer of high purity alumina (HPA) Our Vision • Sapphire & Ruby • Natural form of high purity alumina (HPA) • Formed by mother nature like diamonds • Colour from impurities • Nearly as hard as diamond Sapphire Gemstone • Purified alumina (Al 2 O 3) • Greater than 99.99% (4N) purity • Max

QUARTERLY REPORT FOR THE PERIOD ENDED 30 SEPTEMBER 2018

Metallurgical testwork produces HPA ranging from 99.996% to 99.997% Al 2 O 3 Environmental study finds low impact for mine development, suggesting a straightforward permitting process Positive marketing visit to China completed High Purity Alumina (HPA) developer, FYI Resources Limited (ASX: FYI) (the “Company” or “FYI”), is pleased to release its September 2018 quarterly activity

Investor Presentation February 2019

Summervale Alumina metallurgical testwork & results 9 9 West Lynn / Summervale Scoping Study 9 9 9 9 9 9 9 Karonie RAB drilling (commencement & completion) 9 9 Karonie RAB drilling results 9 Overflow extension drilling (commencement & completion) 9 9 Overflow extension drilling assays announced 9 9 Proposed ASX Announcement. Summary Value of projects not recognised in Alchemy’s share price

Linmine Bauxite Project Guyana, South America

100% transformed into Alumina (99%Al 2 O 3) •95% transformed into Aluminium •5% used in Non-Metallurgical Applications Non-Metallurgical Applications (Bauxite) Refractories (1.7Mt) Abrasives (1.5Mt) Cement (1.8Mt) Slag Adjusters (0.6Mt) Proppant (0.5Mt) Bauxite Production (2000) Linmine Bauxite Project. Refractory “A” Super Calcined Grade Bauxite (RASC) Represents 86-89% of