Slide 1: Company Activities Update
ASX: A4N ASX Announcement Alpha HPA 25 March 2020 ABN 79 106 879 690 11 pages by email The Manager Companies - ASX Limited ( Pag y ) 20 Bridge Street Sydney NSW 2000 COMPANY ACTIVITIES UPDATE High purity boehmite production confirmed — reaching 99.997% purity Boehmite samples despatched to end-users
Slide 2: High Purity Boehmite Samples Despatched to End Users
High Purity Boehmite Samples Despatched to End Users Alpha HPA has despatched two x 2kg samples of high-purity boehmite to Japan and South Korea following requests from end-users. The Company has worked closely with the Japanese end-user in the boehmite development. Orica Engineering Co-Operation Gr
Slide 3: Competent Persons Statement (Process Development Testwork)
Competent Persons Statement (Process Development Testwork) Information in this announcement that relates to metallurgical results is based on information compiled by or under the supervision of Dr Stuart Leary, an Independent Consultant trading as Delta Consulting Group. Dr Leary is a Member of The
Slide 4: Appendix 1: Boehmite Purity Assays (Method: GDMS)
Appendix 1: Boehmite Purity Assays (Method: GDMS) SAMPLE: BMB1 Element Concentration (ppm) Element Concentration (ppm) | Element | Concentration (ppm) Element__| Concentration (ppm) Ag <0.5 Fe 43 Nd <01 Sn <0.5 As <0.5 Ga <0.1 Ni <0.5 Sr < 0.05 B 0.48 Gd <0.1 Os < 0.05 Ta Electrode Ba 0.4 Ge <1 0 Ma
Slide 5: SAMPLE: BMB2
SAMPLE: BMB2 Element Concentration (ppm) Element Concentration (ppm) | Element | Concentration (ppm) Element | Concentration (ppm) Ag 14 Fe 2.2 Nd <01 Sn <0.5 As <0.5 Ga 0.45 Ni <0.5 Sr < 0.05 B 0.29 Gd <01 Os < 0.05 Ta Electrode Ba 0.38 Ge <i 0 Matrix Tb <0.1 Be < 0,05 Ht <0.5 p <0.1 le <0.1 Bi <0.
Slide 6: SAMPLE: BMB3
SAMPLE: BMB3 Element Concentration (ppm) Element Concentration (ppm) | Element Concentration (ppm) Element Concentration (ppm) Ag <05 Fe 1.3 Nd <0.1 Sn <0.5 As < 0.5 Ga 0.84 Ni <0.5 Sr < 0.08 B 0.3 Gd <0.1 Os < 0.05 Ta Electrode Ba 0.29 Ge <1 0 Matrix Tb <01 Be 0.15 Hf <0.5 P 3.6 Te <0.1 Bi <0.1 Hg
Slide 7: SAMPLE: BMB4
SAMPLE: BMB4 Element Concentration (ppm) Element Concentration (ppm) | Element Concentration (ppm) Element Concentration (ppm) Ag <05 Fe <i Nd <0.1 Sn <0.5 As < 0.5 Ga <01 Ni <0.5 Sr < 0.08 B 0.3 Gd <0.1 Os < 0.05 Ta Electrode Ba 0.29 Ge <1 0 Matrix Tb <01 Be 0.15 Hf <0.5 P 11 Te <0.1 Bi <04 Hg <0.5
Slide 8: JORC Table 1: Sampling Techniques
(Criteria in this section apply to all succeeding sections.) Sampling • Nature and quality of sampling (eg cut channels, random chips, or specific specialised • Samples of high purity boehmite were taken as ~20g splits of techniques industry standard measurement tools appropriate to the minerals und
Slide 9: JORC Table 1: Sub-sampling and Assay Quality
Sub-sampling • If core, whether cut or sawn and whether quarter, half or all core taken. • Samples were presented as a homogonised, crystalline techniques and • If non-core, whether riffled, tube sampled, rotary split, etc and whether sampled wet or dry. aluminium salt generated from a crystallisati
Slide 10: JORC Table 1: Reporting of Exploration Results
loss Audits or • The results of any audits or reviews of sampling techniques and data. • Not applicable reviews (Criteria listed in the preceding section also apply to this section.) Mineral • Type, reference name/number, location and ownership including agreements or material • Not Applicable tenem
Slide 11: JORC Table 1: Relationship Between Mineralisation Widths
Relationship • These relationships are particularly important in the reporting of Exploration Results. • Not Applicable between • If the geometry of the mineralisation with respect to the drill hole angle is known, its nature mineralisation should be reported. widths and • If it is not known and onl