NI 43-101 Preliminary Economic Assessment - Verde Potash

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Verde Potash Plc 8-5 Cerrado Verde Project NI 43-101 Preliminary Economic Assessment in electric oven with temperature of approximately 90°C for 24 hours. Using half of the drill cores assures that all internal humidity is removed from the drill core. After cooling, each sample is wrapped in Boreda ® tinfoil transparent PVC film (vinyl polychloride resin) and weighed in air by a OHAUS Adventurer ® digital balance, approved by Inmetro (the National Institute of Metrology, Normalization and Industrial Quality), with a precision of at least 2 hundredths of a gram. The sample is then completely immersed in water through a suspended steel hook attached to the central beam of the balance. The immersed weight is then recorded. Thereafter, the sample is returned to its respective place in the drill core box. The dry density calculation is made using the Archimedes Principle. Density determinations were made at the sample preparation section at VERDE in 7 samples of weathered Verdete, obtaining an average density of 1.49g/cm 3 ; and in 65 samples of fresh Verdete, with an average density of 2.11g/cm 3 . Density determinations were also made at SGS Geosol Laboratories Ltda, located at km 24.5 of Highway MG 10, Vespasiano, Minas Gerais. Measurements were made in 2 samples of weathered Verdete, obtaining an average density of 1.85g/cm 3 ; and 22 samples of fresh Verdete, with an average density of 2.09g/cm 3 . The measurements are made using the same methodology than VERDE, spending the Archimedes Principle. The weigh is determinate by a SARTORIUS TE2145 ® digital balance, with includes calibration with NIST traceable certification and a precision of at least 4 hundredths of a gram. SRK Consulting (U.S.), Inc. September 16, 2011 Cerrado Verde_NI 43-101 PEA_343500.020_007_KG
Cerrado Verde Potash Project Minas Gerais, Brazil Drillhole Location Plan SRK Project No.: 343500.020 File Name: Figure_8-1.docx Date: 09/16/11 Approved: NR Figure: 8-1
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NI 43-101 Preliminary Economic Assessment - Verde Potash

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