Common use of Reporting of Exploration Results Clause in Contracts

Reporting of Exploration Results. (Criteria listed in the preceding section also apply to this section.) Criteria JORC Code explanation Commentary Mineral tenement and land tenure status • Type, reference name/number, location and ownership including agreements or material issues with third parties such as joint ventures, partnerships, overriding royalties, native title interests, historical sites, wilderness or national park and environmental settings. • The security of the tenure held at the time of reporting along with any known impediments to obtaining a licence to operate in the area. • The A1 Gold Mine is located wholly within MIN5294. This license is 100% owned by Centennial Mining Limited (“Centennial” or “CTL” or “Company”) and is in good standing. • The A1 Mine is located approximately 75km southeast of Mansfield in northeast Victoria (approximately 15km northwest of Xxxxx Point). • In 2012 A1 Consolidated Gold Limited (AYC) acquired the rights to the asset from Heron Resources Ltd (HRR). • In 2017 AYC was renamed Centennial Mining Limited. Exploration done by other parties • Acknowledgment and appraisal of exploration by other parties. • The A1 Gold Mine has been an active mine since 1861 with an extensive list of previous owners and tenement consolidations. Most recently before A1 Consolidated, the tenement was held by Xxxxxxx’x Creek Gold Mine Pty Ltd which consolidated the 3 mining leases MIN5375, MIN5326, and MIN5294. • Heron Resources who conducted the 2009-2011 L7 drilling program and commenced decline development. Geology • Deposit type, geological setting and style of mineralisation. • The project area lies within the Xxxxx Point – Walhalla Synclinorium structural domain of the Melbourne Zone, a northwest trending belt of tightly folded Early Devonian Walhalla Group xxxxx turbidites. The domain is bounded by the Enoch’s Point and Xxxx’x Creek Faults, both possible detachment-related splay structures that may have controlled the intrusion of the Xxxxx Point Xxxx Swarm and provided the conduits for gold bearing hydrothermal fluids. The local structural zone is referred to as the Xxxx Creek Fault Zone. • Most gold mineralisation in the Xxxxx Point to Xxxxxxx’x Creek corridor occurs as structurally controlled quartz vein-shear zone systems hosted by dioritic dyke bulges. The A1 Mine is central to this corridor. • Recent level development and drilling has identified a series of east and west dipping dilationally brecciated quartz rich shear zones, referred to locally as reefs, with varying widths from 10 cm to several metres. Coarse gold occurs either within quartz-filled dilation breccias and branching quartz veins or in laminated quartz infill of NE-SW striking shear zones. High grade gold mineralisation within the reefs occurs as coarse and disseminated gold, predominately associated with stylolites of arsenopyrite and euhedral pyrite and soft sulphide assemblages. This style of mineralisation is also evident within narrow reefs, with generally a higher proportion of stylolites containing high percentages of predominately bournonite with minor arsenopyrite. The broad mineralisation zones are the result of a culmination of intersecting structures beneath the 1410 level, truncated above the level by shallow east dipping structures. • Fine disseminated arsenopyrite mineralisation extends into the host dyke Criteria JORC Code explanation Commentary surrounding the larger dilationally brecciated shear zones with these haloes generally assaying between 0.5 g/t to 3 g/t with minimal veining. • Shallow dipping fracture veining branching from larger dilationally brecciated shear zones often carry high grade gold within close proximity, with the grade dissipating over short distances. Drill hole Information • A summary of all information material to the understanding of the exploration results including a tabulation of the following information for all Material drill holes: o easting and northing of the drill hole collar o elevation or RL (Reduced Level – elevation above sea level in metres) of the drill hole collar o dip and azimuth of the hole o down hole length and interception depth o hole length. • If the exclusion of this information is justified on the basis that the information is not Material and this exclusion does not detract from the understanding of the report, the Competent Person should clearly explain why this is the case. • Primary drill data used for the calculation of the mineral resource estimate is shown in Appendix 2.

Reporting of Exploration Results. (Criteria listed in the preceding section also apply to this section.) Criteria JORC Code explanation Commentary Mineral tenement and land tenure status • Type, reference name/number, location and ownership including agreements or material issues with third parties such as joint ventures, partnerships, overriding royalties, native title interests, historical sites, wilderness or national park and environmental settings. • The security of the tenure held at the time of reporting along with any known impediments to obtaining a licence to operate in the area. • Currently all applications and granted tenure are held under Copperhead Pty Ltd. The A1 Gold Mine is located wholly within MIN5294acquisition of the project has not been accepted by the Argent Minerals shareholders to date. This license is 100% owned by Centennial Mining Limited (“Centennial” or “CTL” or “Company”) and is There are no other material issues affecting the tenements. All granted tenements are in good standing. • The A1 Mine is located approximately 75km southeast of Mansfield standing and there are no impediments to operating in northeast Victoria (approximately 15km northwest of Xxxxx Point). • In 2012 A1 Consolidated Gold Limited (AYC) acquired the rights to the asset from Heron Resources Ltd (HRR). • In 2017 AYC was renamed Centennial Mining Limitedarea. Exploration done by other parties • Acknowledgment and appraisal of exploration by other parties. • The A1 Gold Mine has been an active mine since 1861 with an extensive list of previous owners and tenement consolidations. Most recently before A1 ConsolidatedFrom 1966 to 1967, Westfield Minerals (WA) NL conducted regional exploration in the tenement was held by Xxxxxxx’x area surrounding Mt Palgrave down to lllirie Creek Gold Mine Pty Ltd Prospect area which consolidated the 3 mining leases MIN5375incorporated rock chip sampling, MIN5326trenching, and MIN5294drilling. • Heron Resources who conducted At Mount Palgrave Prospect, rock chip sampling and one single Trench intersected copper mineralisation at a shallow depth. This was never followed up through further ground exploration. Anomaly A Prospect yielded high-grade copper mineralisation from 3 trenches. The location of these areas is hosted within a north-western trending syncline proximal to the 2009-2011 L7 drilling program and commenced decline development. Geology • Deposit type, geological setting and style of mineralisation. • The project area lies fold hinge hosted within the Xxxxx Point – Walhalla Synclinorium structural domain of the Melbourne Zone, a northwest trending belt of tightly folded Early Devonian Walhalla Group xxxxx turbiditesDiscovery Formation Siltstone/Chert. The domain is bounded by the Enoch’s Point and Xxxx’x Creek Faults, both possible detachment-related splay structures that may have controlled the intrusion of the Xxxxx Point Xxxx Swarm and provided the conduits for gold bearing hydrothermal fluids. The local structural zone is referred to as the Xxxx Creek Fault Zone. • Most gold Anomaly C (b) Prospect trenching has also yielded high grade copper mineralisation in the Xxxxx Point to Xxxxxxx’x Creek corridor occurs as structurally controlled quartz vein-shear zone systems varying from hosted by dioritic dyke bulges. The A1 Mine is central to this corridor. • Recent level development and drilling has identified a series of east and west dipping dilationally brecciated quartz rich shear zones, referred to locally as reefs, with varying widths from 10 cm to several metres. Coarse gold occurs either within quartz-filled dilation breccias and branching quartz veins or in laminated quartz infill of NE-SW striking shear zones. High grade gold mineralisation within the reefs occurs as coarse and disseminated goldDiscovery Formation Siltstone/Chert. Approximately 1km NNW from Anomaly C (b) Prospect, predominately associated with stylolites of arsenopyrite and euhedral pyrite and soft sulphide assemblagesAnomaly C (a) trenching has also yielded high grade copper mineralisation from the surface. This style of mineralisation IIirie Creek Prospect is also evident within narrow reefs, with generally a higher proportion of stylolites containing high percentages of predominately bournonite with minor arsenopyrite. The broad mineralisation zones are the result of a culmination of intersecting structures beneath the 1410 level, truncated above the level by shallow east dipping structures. • Fine disseminated arsenopyrite mineralisation extends into the host dyke Criteria JORC Code explanation Commentary surrounding hosted within the larger dilationally brecciated shear zones Discovery Formation Siltstone with 3 trenches intersecting stratabound secondary copper mineralisation. All the mineralization delineated in these haloes copper prospect areas have been classified as sedimentary stratiform zinc- copper mineralization occurs in black carbonaceous, pyritic shale of the Discovery Siltstone and Chert, located in a syncline of Jillawarra Formation. Gossans contain chrysocolla, malachite and goslarite. In drill cuttings, sphalerite and covellite are the main sulfides of interest in the generally assaying between 0.5 gpyritic shale/t to 3 g/t with minimal veiningsiltstone. • Shallow dipping fracture veining branching from larger dilationally brecciated shear zones often carry high grade gold within close proximityBoth sphalerite and covellite occur in the matrix of the rock, but most sphalerite is contained, with the grade dissipating over short distancespyrite, in late-stage siliceous veins. Traces of chalcopyrite, chalcocite and galena are also present. The exposed mineralized horizons vary from malachite-bearing gossans to well-developed ironstone gossans, all with strong evaluated base-metal values. Drill hole Information • A summary intersections below the gossans in fresh bedrock revealed the presence of all information material pyritic and carbonaceous shale, siltstone, or chert with minor sphalerite−galena−chalcopyrite. Copper values in the surface gossans are up to 10−12%. The pyrite mineralization has a bedding-parallel but has been locally remobilized in discordant veins and fractures. The main stratigraphic horizon for this mineralization is at the understanding top of the exploration results including a tabulation of Jillawarra Formation and in the following information for all Material drill holes: o easting and northing of the drill hole collar o elevation or RL (Reduced Level – elevation above sea level in metres) of the drill hole collar o dip and azimuth of the hole o down hole length and interception depth o hole length. • If the exclusion of this information is justified on the basis that the information is not Material and this exclusion does not detract from the understanding of the report, the Competent Person should clearly explain why this is the case. • Primary drill data used for the calculation of the mineral resource estimate is shown in Appendix 2overlying Discovery Chert.

Reporting of Exploration Results. (Criteria listed in the preceding section 1 also apply to this section.) Criteria JORC Code explanation Explanation Commentary Mineral tenement and land tenure status •  Type, reference name/number, location and ownership including agreements or material issues with third parties such as joint ventures, partnerships, overriding royalties, native title interests, historical sites, wilderness or national park and environmental settings. •  The security of the tenure held at the time of reporting along with any known impediments to obtaining a licence to operate in the areaarea  The recently leased lands at the Columbia Mine comprise six patented (privately owned) mining claims. • The A1 Gold Mine A registered, independent “Land Man” in the United States has undertaken investigations into the chain of title for these patented mining claims, determining that Columbia Summit LLC is located wholly the registered owner. Local county records confirm such. Liaz has a formal lease agreement in place with Columbia Summit LLC.  Longford and/or Liaz will be required to obtain local, state and/or federal permits to undertake ground disturbing activities on the recently leased patented mining claims. There is a long history of exploration and mining in the jurisdiction within MIN5294which these mining claims are located, so it is considered likely requisite permits will be obtained as and when they are required. This license is 100% owned by Centennial Mining Limited (“Centennial” or “CTL” or “Company”) and is in good standing. • The A1 Mine is located approximately 75km southeast of Mansfield in northeast Victoria (approximately 15km northwest of Xxxxx Point). • In 2012 A1 Consolidated Gold Limited (AYC) acquired the rights to the asset from Heron Resources Ltd (HRR). • In 2017 AYC was renamed Centennial Mining Limited. Criteria JORC Code Explanation Commentary Exploration done by other parties •  Acknowledgment and appraisal of exploration by other parties. • The A1 Gold Mine  Historic records of previous mining activities in the Goodsprings District have been located. However to date Xxxx has been an active mine unable to locate any records of any mining activity at the Columbia Mine since 1861 with an extensive list 1928. Nor has it been able to identify any information that indicates any modern exploration has been undertaken around this mine, or indeed around any of previous owners and tenement consolidations. Most recently before A1 Consolidated, the tenement was held by Xxxxxxx’x Creek Gold Mine Pty Ltd which consolidated other multiple historic copper-cobalt mines in the 3 mining leases MIN5375, MIN5326, and MIN5294. • Heron Resources who conducted the 2009-2011 L7 drilling program and commenced decline developmentGoodsprings District. Geology •  Deposit type, geological setting and style of mineralisation. • The project area lies mineralisation  Mineralisation within the Xxxxx Point – Walhalla Synclinorium structural domain of the Melbourne Zone, a northwest trending belt of tightly folded Early Devonian Walhalla Group xxxxx turbidites. The domain is bounded by the Enoch’s Point and Xxxx’x Creek Faults, both possible detachment-related splay structures that may have controlled the intrusion of the Xxxxx Point Xxxx Swarm and provided the conduits for gold bearing hydrothermal fluids. The local structural zone is referred Goodsprings Project appears to as the Xxxx Creek Fault Zone. • Most gold mineralisation in the Xxxxx Point to Xxxxxxx’x Creek corridor occurs as structurally controlled quartz vein-shear zone systems hosted by dioritic dyke bulges. The A1 Mine is central to this corridor. • Recent level development and drilling has identified a series of east and west dipping dilationally brecciated quartz rich shear zones, referred to locally as reefs, with varying widths from 10 cm to several metres. Coarse gold occurs either within quartz-filled dilation breccias and branching quartz veins or in laminated quartz infill of NE-SW striking shear zones. High grade gold mineralisation within the reefs occurs as coarse and disseminated gold, predominately be closely associated with stylolites of arsenopyrite limestones, while also appearing to have strong structural controls. A spatial relationship between intrusive granite- porphyrys and euhedral pyrite and soft sulphide assemblages. This style of mineralisation is also evident within narrow reefs, with generally a higher proportion apparent. But the importance of stylolites containing high percentages of predominately bournonite with minor arsenopyritethis association is not yet known. The broad mineralisation zones are the result of a culmination of intersecting structures beneath the 1410 level, truncated above the level by shallow east dipping structures. • Fine disseminated arsenopyrite mineralisation extends into the host dyke Criteria JORC Code explanation Commentary surrounding the larger dilationally brecciated shear zones with these haloes generally assaying between 0.5 g/t to 3 g/t with minimal veining. • Shallow dipping fracture veining branching from larger dilationally brecciated shear zones often carry high grade gold within close proximity, with the grade dissipating over short distances. Drill hole Drillhole Information •  A summary of all information material to the understanding of the exploration results including a tabulation of the following information for all Material drill holesdrillholes: o  easting and northing of the drill hole drillhole collar o  elevation or RL (Reduced Level – elevation above sea level in metres) of the drill hole drillhole collar o  dip and azimuth of the hole o down hole  downhole length and interception depth o  hole length. •  If the exclusion of this information is justified on the basis that the information is not Material and this exclusion does not detract from the understanding of the report, the Competent Person should clearly explain why this is the casecase  Not applicable as no drilling results are reported. • Primary drill data Criteria JORC Code Explanation Commentary Data aggregation methods  In reporting Exploration Results, weighting averaging techniques, maximum and/or minimum grade truncations (e.g. cutting of high grades) and cut-off grades are usually Material and should be stated.  Where aggregate intercepts incorporate short lengths of high grade results and longer lengths of low grade results, the procedure used for such aggregation should be stated and some typical examples of such aggregations should be shown in detail.  The assumptions used for any reporting of metal equivalent values should be clearly stated  Not applicable. Relationship between mineralisation widths and intercept lengths  These relationships are particularly important in the calculation reporting of Exploration Results.  If the geometry of the mineral resource estimate mineralisation with respect to the drillhole angle is shown known, its nature should be reported.  If it is not known and only the downhole lengths are reported, there should be a clear statement to this effect (e.g. ‘down hole length, true width not known’).  Not applicable. Diagrams  Appropriate maps and sections (with scales) and tabulations of intercepts should be included for any significant discovery being reported These should include, but not be limited to a plan view of drillhole collar locations and appropriate sectional views  Not applicable. Criteria JORC Code Explanation Commentary Balanced reporting  Where comprehensive reporting of all Exploration Results is not practicable, representative reporting of both low and high grades and/or widths should be practiced to avoid misleading reporting of Exploration Results  Results of all significant historical work have been summarised and reported in Appendix 2this announcement. Other substantive exploration data  Other exploration data, if meaningful and material, should be reported including (but not limited to) geological observations; geophysical survey results; geochemical survey results; bulk samples – size and method of treatment; metallurgical test results; bulk density, groundwater, geotechnical and rock characteristics; potential deleterious or contaminating substances.  Not applicable at this time.

Reporting of Exploration Results. (Criteria listed in the preceding section also apply to this section.) Criteria JORC Code explanation Statement Commentary Mineral tenement and land tenure status •  Type, reference name/number, location and ownership including agreements or material issues with third parties such as joint ventures, partnerships, overriding royalties, native title interests, historical sites, wilderness or national park and environmental settings. •  The security of the tenure held at the time of reporting along with any known impediments to obtaining a licence to operate in the area. • The A1 Gold Mine  Exploration Licence (EL) 5523 is located wholly within MIN529420km east of the township of Xxxxxxxx in Central Victoria, Australia. This license It was granted to Xxxxxxxx Minerals Pty Ltd on 1 October 2015 and is due to expire on 30 September 2010. Carawine Resources Pty Ltd (as wholly-owned subsidiary of Sheffield Resources Ltd) has entered an Earn-In Agreement with Xxxxxxxx Minerals Pty Ltd which gives it the right to earn 100% owned of the tenement by Centennial Mining Limited (“Centennial” incurring $190,000 of exploration expenditure within the next 2 years, followed by a further $200,000 as a cash payment or “CTL” or “Company”) and is issue of shares.  There are no known impediments to obtaining a licence to operate in good standingthe area, exploration work, including drilling, has taken place on the tenement as recently as 2010. • The A1 Mine is located approximately 75km southeast of Mansfield in northeast Victoria (approximately 15km northwest of Xxxxx Point). • In 2012 A1 Consolidated Gold Limited (AYC) acquired the rights to the asset from Heron Resources Ltd (HRR). • In 2017 AYC was renamed Centennial Mining Limited. Criteria Statement Commentary Exploration done by other parties •  Acknowledgment and appraisal of exploration by other parties. • The A1 Gold Mine has been an active mine since 1861 with an extensive list  This information in the announcement is based entirely of work conducted by previous owners and tenement consolidations. Most recently before A1 Consolidatedexplorers, as detailed in the tenement was held by Xxxxxxx’x Creek Gold Mine Pty Ltd which consolidated the 3 mining leases MIN5375, MIN5326announcement, and MIN5294. • Heron Resources who conducted the 2009-2011 L7 drilling program and commenced decline developmentin this Appendix 1. Geology •  Deposit type, geological setting and style of mineralisation. •  The project area lies within the Xxxxx Point – Walhalla Synclinorium structural domain Project is hosted in strongly altered andesitic volcanic rocks of the Melbourne Zone, Cambrian Barkly River Formation.  Alteration at Hill 800 comprises a northwest trending belt zone of tightly folded Early Devonian Walhalla Group xxxxx turbiditessilica- sericite-pyrite extending NE-SW for about 600m to maximum width of about 110m on the crest of Hill 800. The domain is bounded An outer halo of sericite alteration grades into distal chlorite-sericite (propylitic) alteration. PIMA studies define a paragonite core associated with the silica-pyrite-gold mineralisation grading into an outer halo dominated by sericite.  Gold mineralisation extends over 200m north-south by 50m east-west in the Enoch’s Point and Xxxx’x Creek Faults, both possible detachment-related splay structures that may have controlled the intrusion core of the Xxxxx Point Xxxx Swarm silica- paragonite-pyrite alteration.  At Rhyolite Creek Goldsearch summarise the local geology as a Cambrian volcanic sequence progressing from andesite lavas and provided the conduits for gold bearing hydrothermal fluidsvolcaniclastics through dacitic and rhyolite lavas and associated felsic volcaniclastic sediments. The local structural zone is referred to as the Xxxx Creek Fault Zone. • Most gold mineralisation in the Xxxxx Point to Xxxxxxx’x Creek corridor occurs as structurally controlled quartz vein-shear zone systems hosted by dioritic dyke bulges. The A1 Mine is central to this corridor. • Recent level development and drilling has identified Acid volcanism apparently terminated with a series of east thick pyroclastic units, followed by alternating very fine to medium grained feldspathic sandstones.  A zone of massive sulphide is reported to sit at the sheared boundary between felsic volcaniclastic sediments above, and west dipping dilationally brecciated quartz rich shear zones, referred to locally as reefsandesitic volcanics below, with varying widths from 10 cm to several metres. Coarse gold occurs either within quartza large “footwall” silica-filled dilation breccias and branching quartz veins or in laminated quartz infill of NEsulphide-SW striking shear zones. High grade gold mineralisation within the reefs occurs as coarse and disseminated gold, predominately associated with stylolites of arsenopyrite and euhedral pyrite and soft sulphide assemblages. This style of mineralisation is also evident within narrow reefs, with generally a higher proportion of stylolites containing high percentages of predominately bournonite with minor arsenopyrite. The broad mineralisation zones are the result of a culmination of intersecting structures beneath the 1410 level, truncated above the level by shallow east dipping structures. • Fine disseminated arsenopyrite mineralisation extends pyrophyllite alteration zone extending into the host dyke Criteria JORC Code explanation Commentary surrounding rocks below the contact.  Carawine geologists interpret the setting and alteration styles to indicate the potential of the prospects to sit within a larger dilationally brecciated shear zones with these haloes generally assaying between 0.5 g/t to 3 g/t with minimal veining. • Shallow dipping fracture veining branching from larger dilationally brecciated shear zones often carry high grade gold within close proximity, with the grade dissipating over short distancesVHMS deposit camp. Drill hole Information •  A summary of all information material to the understanding of the exploration results including a tabulation of the following information for all Material drill holes: o easting and northing of the drill hole collar o elevation or RL (Reduced Level – elevation above sea level in metres) of the drill hole collar o dip and azimuth of the hole o down hole length and interception depth o hole length. •  If the exclusion of this information is justified on the basis that the information is not Material and this exclusion does not detract from the understanding of the report, the Competent Person should clearly explain why this is the case. • Primary drill data  See body of the announcement for details. Data aggregation methods  In reporting Exploration Results, weighting averaging techniques, maximum and/or minimum grade truncations (eg cutting of high grades) and cut-off grades are usually Material and should be stated.  Where aggregate intercepts incorporate short lengths of high grade results and longer lengths of low grade results, the procedure used for such aggregation should be stated and some typical  Criteria for reporting weighted intervals for Hill 800 are included with the calculation relevant tables.  At Rhyolite Creek only the assays from the identified geologically significant interval are reported as significant. At this early stage of the mineral resource estimate is Project’s investigation threshold cut-off grades and intervals are not considered appropriate for reporting. Criteria Statement Commentary examples of such aggregations should be shown in Appendix 2detail.  The assumptions used for any reporting of metal equivalent values should be clearly stated. Relationship between mineralisation widths and intercept lengths  These relationships are particularly important in the reporting of Exploration Results.  If the geometry of the mineralisation with respect to the drill hole angle is known, its nature should be reported.  If it is not known and only the down hole lengths are reported, there should be a clear statement to this effect (eg ‘down hole length, true width not known’).  At Hill 800 most drill holes have been drilled oblique and at a low angle to the interpreted mineralisation, and therefore are unlikely to represent true widths. Plan and long-section diagrams, along with full collar and hole orientation information is included in the announcement.  At Rhyolite Creek the geological interval reported is at a high angle to the interpreted orientation of the mineralisation and is considered to approximate true width. Diagrams  Appropriate maps and sections (with scales) and tabulations of intercepts should be included for any significant discovery being reported These should include, but not be limited to a plan view of drill hole collar locations and appropriate sectional views.  See body of announcement for plan and section views and tabulations of significant assay intervals. Balanced reporting  Where comprehensive reporting of all Exploration Results is not practicable, representative reporting of both low and high grades and/or widths should be practiced to avoid misleading reporting of Exploration Results.  All information considered material to the reader’s understanding of the Exploration Results has been reported. Other substantive exploration data  Other exploration data, if meaningful and material, should be reported including (but not limited to): geological observations; geophysical survey results; geochemical survey results; bulk samples – size and method of treatment; metallurgical test results; bulk density, groundwater, geotechnical and rock characteristics; potential deleterious or contaminating substances.  Information relating to the most advanced data from the primary prospects on the tenement have been reported in this announcement. Additional exploration including ground and down-hole geophysics, and surface mapping and sampling programs have been conducted at these, and other prospects within the tenement.  At this early stage of the Project’s life, these have not been reported as they are considered to be not material to the reader’s understanding of the announcement.  All information considered material to the reader’s understanding of the Exploration Results has been reported.