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TALISMAN MINING LIMITED Interim / Quarterly Report 2017

Apr 27, 2017

65926_rns_2017-04-27_b074d437-0a84-4c97-a001-4aa13970c51e.pdf

Interim / Quarterly Report

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ASX Media Release – 28 April 2017

Quarterly Activities Report March 2017

Highlights

- Springfield Cu Au Project - (JV with Sandfire Resources NL)

  • Feasibility Study completed and decision to proceed with development of Monty Copper-Gold deposit made by Talisman Board.

Board of Directors

Jeremy Kirkwood Non-Executive Chairman

Dan Madden Managing Director

Alan Senior Non-Executive Director

Brian Dawes Non-Executive Director

Karen Gadsby Non-Executive Director


Contact Details

Telephone: +61 8 9380 4230

Email: [email protected]

Website: www.talismanmining.com.au

Capital Structure

Shares on Issue: 185,699,879 (TLM)

  • Maiden Probable Ore Reserve[i][i] for Monty of 80kt copper and 42koz gold at the exceptionally high grade of 8.7% copper (100% basis). This would place Monty amongst the highest grade copper mines globally .

  • Outstanding forecast financial returns[1] of A$64M pre-tax free cash flow , pre-tax NPV8 of A$46M and 78% pre-tax IRR (Talisman 30% share).

  • Discussions with short list of potential financiers to provide debt funding for up to 100% of Talisman’s forecast pre-production capital costs for Monty well advanced.

  • Exploration programs continuing in parallel with project development to test for new mineralised zones in close proximity to the Monty deposit and target further new discoveries :

  • first of three deep diamond drill holes ( TLDD0014 ) commenced subsequent to the end of the quarter.

  • New zone of shallow high-grade gold mineralisation intersected in firstpass air core drilling at Southern Volcanics VMS corridor: 5m @ 44.8g/t Au from 10m[2] .

Sinclair Nickel Project (100% Talisman)

  • Project wide targeting review completed, new targets identified at Fly Bore, Pink Well and Mt Clifford prospect areas.

  • Reconnaissance mapping and aircore drilling program planned for the June 2017 quarter.

Options on Issue: 10,505,000 (Unlisted)

1 Please refer to TLM ASX announcement: “Monty Feasibility Study Results”, dated 6 April for a description of the financial parameters & summary of key Monty Feasibility Study financial return outcomes. 2 Air‐core results are based on five‐metre composite spear sampling.

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Springfield Copper-Gold Project (Joint Venture with Sandfire Resources NL)

During the March quarter, the focus of Talisman’s activities was the finalisation of the components of the Feasibility Study for the Monty Copper-Gold deposit and discussions with potential financiers to provide debt funding for up to 100% of Talisman’s share of pre-production capital.

Monty Feasibility Study

Subsequent to the end of the March quarter, Talisman announced the completion of the Feasibility Study and maiden Ore Reserve for the Monty Copper-Gold deposit in Western Australia ( Monty ). Monty forms part of Talisman’s Springfield Project ( Joint Venture ) with Sandfire Resources NL ( Sandfire ) in which Sandfire holds a 70% interest and is Joint Venture manager. Talisman holds a 30% interest in the Joint Venture.

The Monty deposit is located approximately 900km north of Perth and 10km east of Sandfire’s DeGrussa copper-gold mine ( DeGrussa ) in the Gascoyne Region of Western Australia. Monty was discovered in mid-2015 and an initial Mineral Resource estimate[ii][ii] for the deposit was reported in April 2016, notable for its very high copper grade. A Mining Lease Application ( MLA ) for Monty was submitted in July 2016 and was granted during the quarter. The detailed Feasibility Study concluded development of the deposit is both technically and financially viable. Full details of the Feasibility Study and its key agreements can be found in the announcement and presentation released to the Australian Securities Exchange on 6 April 2017.

Key agreements

An Ore Sale and Purchase Agreement ( OSPA ) has been executed between Talisman and Sandfire with Talisman’s share of the ore mined from Monty – and any mineralised extensions to the Monty deposit – to be sold to Sandfire for subsequent treatment at Sandfire’s nearby DeGrussa plant, allowing Talisman to benefit from the established infrastructure. Further economic discoveries made within the broader Joint Venture area will be subject to a new OSPA at the discretion of the Joint Venture parties and negotiated at that time. A Mining Joint Venture Agreement ( MJVA ) and an Exploration Joint Venture Agreement ( EJVA ) have also been executed between Talisman and Sandfire for the Joint Venture (collectively Joint Venture Agreements ).

Under the OSPA, Talisman will receive payment for ore delivered to a purpose-built ROM ore pad at the DeGrussa plant based on payable metal content at monthly average commodity prices. Payable metal is calculated on an independently assessed ore mined grade and delivered tonnage to which fixed recovery formulae (derived from detailed feasibility study metallurgical test work) and fixed percentage payability (set at industry determined benchmarks) are applied. An Ore Treatment Fee ( OTF ) and applicable royalties are then deducted from the calculated revenue. The OTF recognises all costs of processing the ore including downstream logistical and marketing costs associated with the production and sale of copper concentrate which are converted to a per tonne of ore basis. The OTF also includes a capital charge for use of the DeGrussa processing plant and associated infrastructure. The cost components of the OTF are closely aligned with actual DeGrussa capital, processing, G&A and downstream costs. Based on the Feasibility Study results, the OTF equates to approximately A$211 per ore tonne mined (equivalent to US$0.83/lb copper).

Talisman will also contribute its 30% share of costs associated with mining and hauling Monty ore under the terms of the Mining Joint Venture Agreement.

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A schematic summary of the OSPA and MJVA mechanics is illustrated in Figure 1.

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Figure 1: Schematic summary of OSPA and MJVA mechanics

Ore Reserve[i] i

The maiden Ore Reserve estimate for Monty, as at 31 March 2017, totals 0.92Mt at 8.7% copper and 1.4g/t gold. Contained metal stands at 80kt copper and 42koz gold at what is an extremely high copper, and copper-equivalent, grade relative to other copper projects globally. All of the current Ore Reserve estimate is contained in the Probable Ore Reserve category.

Talisman’s 30% share of the currently defined Probable Ore Reserve estimate is 24kt copper and 13koz gold, being 0.28Mt at 8.7% copper and 1.4g/t gold.

The Ore Reserve estimate is based on the Indicated Mineral Resource[ii] estimate for Monty, released on 13 April 2016. The Probable Ore Reserve estimate includes both the defined Upper and Lower Zones of mineralisation at Monty.

Feasibility Study: Operating and financial outputs

Monty is one of the highest grade copper-gold discoveries made globally in recent decades, which has been a key driver of the highly attractive forecast financial returns outlined in the Feasibility Study. The proximity of the deposit to Sandfire’s DeGrussa plant provides an expedited and low risk pathway to production with an extremely low development capital intensity compared to other greenfield copper discoveries globally.

The Feasibility Study details forecast total production of 74.4kt of contained copper (plus 38.4koz contained gold and 413.4koz contained silver) over an initial ore production life of 30 months. This production profile is a function of Monty being scheduled to be mined and processed through the DeGrussa plant at a maximum throughput rate of approximately 0.4Mtpa with a 4.5% Cu cut-off grade, providing the best economic outcome.

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Talisman’s share of total estimated pre-production capital cost for the development of Monty is A$22M. This delivers an outstanding and globally attractive pre-production capital intensity of approximately A$2,500 (approx. US$2,000) per tonne of annual copper (in concentrate) production capacity.

The key pre-production capital items comprise (on a 100% basis):

  • Surface infrastructure including haul/access roads and drainage, box-cut and owner’s team costs (A$33M).

  • Underground mine development including portal and decline establishment (A$32M).

  • Underground mine infrastructure including ventilation shaft and fan (A$8M).

Talisman’s share of forecast life-of-mine sustaining capital is A$5.5M.

The estimated notional C1 Operating cash cost (excl. royalties) of production for Monty is an impressive A$1.56/lb of payable copper (US$1.13/lb). The notional All-in Sustaining Cost ( AISC ) is A$1.90/lb of payable copper (US$1.37/lb).[3]

With these strong expected margins, Monty is forecast to yield more than A$64M in forecast ungeared pre-tax free cash flow to Talisman, inclusive of all capital expenditure. This delivers a pre-tax Net Present Value ( NPV ) of A$46M at a real 8% discount rate. The forecast pre-tax internal rate of return ( IRR ) is 78%.

Talisman’s underlying operating and economic interest in Monty is illustrated below in Figure 2.

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Figure 2: Talisman’s underlying operating and economic interest in Monty

3 C1 and AISC are calculated on the basis of notionally including the OSPA Ore Treatment Fee as a production cost. AISC is defined as the operating cash cost of production (net of by‐product credits) plus royalties and sustaining capital and closure costs but exclusive of any finance costs or corporate overhead allocation.

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Development timeline and funding

These robust Feasibility Study outcomes, coupled with the OSPA and Joint Venture Agreements executed with Sandfire, have resulted in Talisman’s Board of Directors giving approval to proceed with the development of the Monty deposit.

The Talisman Board has approved A$0.6M of initial project development expenditure, representing its 30% share of detailed engineering design, preliminary site activities and long lead item orders. At 31 March 2017, Talisman had A$13.8 M cash which provides ample liquidity to undertake these early project works and maintain current exploration expenditure levels.

While the ultimate funding structure for Monty remains subject to the finalisation of terms, Talisman is seeking to debt fund up to 100% of its A$22M share of Monty pre-production capital costs.

Following a competitive process, Talisman is in final discussions with a short list of potential financiers to provide project funding debt facilities. These facilities are expected to be in place by the end of the June quarter 2017. Talisman is seeking to put these debt facilities in place without a mandatory requirement for price hedging of future production volumes from Monty.

Exploration

While considerable resources have been focused on the completion of the Feasibility Study for Monty, on-ground exploration has continued within the wider Springfield Joint Venture project area throughout the March quarter. This on-ground exploration has included air-core, reverse circulation (RC) and diamond drilling, and is summarised in Table 1. Unfortunately, adverse weather events during the quarter restricted drilling activity. Following the completion of the Feasibility Study Talisman anticipates that exploration activities within the Springfield Joint Venture will now increase throughout the remainder of calendar 2017.

Air-core Drilling

Air-core drilling was focused on completing the first pass 400m x 100m coverage of the 16km long Southern Volcanics VMS corridor (Figure 3). This work, which is aimed at providing initial basement geological and geochemical data to aid in the identification of the potential host sedimentary units within the prospective stratigraphic sequence, has returned a high-grade gold intersection associated with quartz veining in basement dolerite. The intersection in hole TLAC3143 returned 5m @ 44.8 g/t Au from 10m down hole. Infill air-core and deeper RC drilling to follow-up on this high-grade intersection is planned for the June quarter. Full details of the hole collar location and intersection are provided in Table 2 and Table 3.

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Figure 3: Springfield Cu-Au Project March Quarter drill collar locations

RC Drilling

A total of five RC exploration drill holes ( and two water bores – collars not labelled in Figure 3 ), were completed during the quarter. The RC exploration holes were designed to follow-up previously identified geochemical anomalies in air-core drilling on the Southern Volcanics Corridor, Monty South and Monty NE areas. Assay results from this RC drilling did not return any significant intersections. Assay results are listed in Table 3.

Diamond Drilling

Drilling of the first of three deep diamond drill holes aimed at testing the immediate vicinity adjacent and beneath the defined high-grade Monty Cu-Au deposit commenced during the quarter. Pre-collars for the first two holes were drilled during the quarter (TLDD0114 and TLDD0115), with the location of the third collar to be refined once drilling and DHEM surveys have been completed on the initial hole TLDD0114 (Figure 3 and Figure 4).

TLDD0114 commenced subsequent to the quarter and is targeted to drill to a depth of approximately 1,400 metres. Full details of the diamond drill holes are provided in Table 1 and Table 2.

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Figure 4: Monty deposit projected long section with locations of the current and proposed deep diamond DHEM platform holes

June 2017 Quarter Exploration

The Springfield Joint Venture partners have approved a $2.2m (100% basis) exploration budget for the 2017 June quarter. Works in this budget include:

  • infill air-core drilling targeting geochemical anomalies (like the recent gold intersection in TLAC3143) and a number of other discrete anomalies identified in previous air-core drilling;

  • an allowance for follow-up deeper RC drilling of these air-core anomalies; and

  • the continuation of the three deep diamond drill holes which are aimed at providing DHEM platforms in the untested immediate vicinity around the high-grade Monty Cu-Au deposit.

In addition to the on-ground drilling activity detailed above, an in-house review of all surface and downhole geophysical data from the Springfield Cu-Au Project has been completed. Additional Induced Polarisation (“IP”) geophysical data will be collected over the Monty Cu-Au deposit, along with an initial IP survey of the Monty NE copper anomaly, which has been subject to previous infill air-core and some isolated RC drilling. This surface geophysical survey is included in the approved June quarter budget.

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Sinclair Nickel Project Exploration

Talisman has now completed a project wide targeting review identifying a number of prospective exploration targets that warrant further work. Detailed lithogeochemical assessment of the main ultramafic host units across the project has highlighted areas that have undergone very little previous exploration. These areas are interpreted to represent highly favourable environments for the accumulation of massive nickel sulphides.

Field reconnaissance and geological mapping is schedule to commence in early May, targeting the Fly Bore, Pink Well and Mt Clifford prospect areas, and will provide the basis for future work.

A program of air-core drilling is anticipated during the June 2017 quarter to provide geological and geochemical information in areas with little to no historic exploration at the Delphi and Schmitz Well South prospects. (Figure 5).

Additional air-core drilling is also anticipated at Stuart Meadows to target a gold-in-regolith anomaly identified from historic RAB drilling. The Stuart Meadows prospect is along strike to the south of the Bannockburn Gold Mine, which produced 312koz of gold during the 1990’s.

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Figure 5: Plan showing Talisman tenement holding at the Sinclair Nickel Project and selected prospects

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ENDS

For further information, please contact: Dan Madden – Managing Director on +61 8 9380 4230

For media inquiries, please contact: Michael Vaughan – Fivemark Partners on +61 422 602 720

About Talisman Mining:

Talisman Mining Limited (ASX:TLM) is an Australian mineral development and exploration company. The Company’s aim is to maximise shareholder value through exploration, discovery and development of complementary opportunities in base and precious metals.

Talisman holds a 30% interest in the Springfield Joint Venture (Springfield) with Sandfire Resources NL (70% and JV manager). Springfield is located in a proven VMS province in Western Australia’s Bryah Basin and contains multiple prospective corridors and active exploration activities. Springfield hosts the high-grade Monty Copper-Gold deposit (Monty) which is located 10 kilometres from Sandfire’s DeGrussa operations. Monty is one of the highest-grade copper-gold discoveries made globally in recent decades and a Feasibility Study on its development was completed in March 2017. The Feasibility Study highlighted the strong technical and financial viability of Monty.

Talisman also holds 100% of the Sinclair Nickel Project (Sinclair) located in the world-class Agnew-Wiluna greenstone belt in WA’s northeastern Goldfields. The Sinclair nickel deposit, developed and commissioned in 2008 and operated successfully before being placed on care and maintenance in August 2013, produced approximately 38,500 tonnes of nickel at an average life-of-mine head grade of 2.44% nickel. Sinclair has extensive infrastructure and includes a substantial 290km[2] tenement package covering more than 80km of strike in prospective ultramafic contact within a 35km radius of existing processing plant and infrastructure.

Forward-Looking Statements

This ASX release may include forward-looking statements. These forward-looking statements are not historical facts but rather are based on Talisman Mining Ltd.’s current expectations, estimates and assumptions about the industry in which Talisman Mining Ltd operates, and beliefs and assumptions regarding Talisman Mining Ltd.’s future performance. Words such as “anticipates”, “expects”, “intends”, “plans”, “believes”, “seeks”, “estimates”, “potential” and similar expressions are intended to identify forward-looking statements. Forward-looking statements are only predictions and are not guaranteed, and they are subject to known and unknown risks, uncertainties and assumptions, some of which are outside the control of Talisman Mining Ltd. Past performance is not necessarily a guide to future performance and no representation or warranty is made as to the likelihood of achievement or reasonableness of any forward-looking statements or other forecast. Actual values, results or events may be materially different to those expressed or implied in this presentation. Given these uncertainties, recipients are cautioned not to place reliance on forward-looking statements. Any forward-looking statements in this announcement speak only at the date of issue of this announcement. Subject to any continuing obligations under applicable law and the ASX Listing Rules, Talisman Mining Ltd does not undertake any obligation to update or revise any information or any of the forward looking statements in this announcement or any changes in events, conditions or circumstances on which any such forward-looking statement is based.

No new information relating to the Sinclair Nickel Project (Sinclair) that is considered material is included in this document. All information relating to Sinclair exploration results have been previously released to the market and are appropriately referenced in this document. As a result, JORC tables related to Sinclair are not considered necessary to accompany this document.

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Competent Person’s Statements

Information in this ASX release that relates to Exploration Results and Exploration Targets is based on information completed by Mr Anthony Greenaway, who is a member of the Australasian Institute of Mining and Metallurgy. Mr Greenaway is a full-time employee of Talisman Mining Ltd and has sufficient experience which is relevant to the style of mineralisation and types of deposits under consideration and to the activities undertaken to qualify as a Competent Person as defined in the 2012 Edition of the “Australian Code for Reporting of Mineral Resources and Ore Reserves”. Mr Greenaway consents to the inclusion in this report of the matters based on information in the form and context in which it appears.

i Subject to the below, information in this ASX release that relates to Ore Reserves is based on, and fairly represents, information and supporting documentation prepared by Mr Neil Hastings, who is a member of the Australasian Institute of Mining and Metallurgy. Mr Hastings is a full-time employee of Sandfire Resources NL and has sufficient experience which is relevant to the style of mineralisation and types of deposits under consideration and to the activities undertaken to qualify as a Competent Person as defined in the 2012 Edition of the “Australian Code for Reporting of Mineral Resources and Ore Reserves”. Mr Hastings consents to the inclusion in this ASX release of the Ore Reserves and the supporting information, and the matters based on that information, in the form and context in which it appears.

Information in this ASX release that relates to the relevant part of the Ore Reserves and which also specifically relates to Talisman Mining Limited (being its 30% share of the Monty Ore Reserve and the financial impact on Talisman resulting from the application of the MJVA and OSPA agreements) is based on, and fairly represents, information and supporting documentation prepared by Mr Benjamin Wilson, who is a member of the Australasian Institute of Mining and Metallurgy. Mr Wilson is a full-time employee of Talisman Mining Ltd and has sufficient experience which is relevant to the style of mineralisation and types of deposits under consideration and to the activities undertaken to qualify as a Competent Person as defined in the 2012 Edition of the “Australian Code for Reporting of Mineral Resources and Ore Reserves”. Mr Wilson consents to the inclusion in this ASX release of the matters based on that information in the form and context in which it appears.

ii Information in this ASX release that relates to the Monty JORC Mineral Resource estimate is information previously published by Sandfire Resources NL (“Sandfire”) and is available on the Sandfire and ASX websites (see announcement “Maiden High-Grade Mineral Resource for Monty VMS Deposit: 99,000t of Copper and 55,000oz of Gold”, dated 13 April 2016 (Sandfire Announcement)). For full details of the Monty Resource estimate, including the Competent Person’s Statement related to the estimation of the Monty Mineral Resource, please refer to the Sandfire Announcement.

Talisman confirms that it is not aware of any new information or data that materially affects the information included in the Sandfire Announcement, and that all material assumptions and technical parameters underpinning the estimates in the Sandfire Announcement continue to apply and have not materially changed and confirms that the form and context in which the Competent Person’s findings are presented have not been materially modified from the original Sandfire Announcement.

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Table 1 – Budget Vs Actual drilling details for quarter ending 31 March 2017, Springfield CuAu Project

Au Project
January February March
Total
Budget
metres
Actual
metres
Budget
metres
Actual
metres
Budget
metres
Actual
metres
Budget
metres
Actual
metres
%
Completed
Diamond Drilling - - - - 1,900 -* 1,900 - 0%*
RC Drilling 1,600 594 2,200 1,831 - - 3,800 2,425 64%
Air-core Drilling 12,460 3,339 9,400 6,073 - 3,194 21,860 12,606 58%
Total: 14,060 3,933 11,600 7,904 1,900 3,194* 27,560 15,031 54%

*Note: diamond metres completed in hole TLDD0114 are not listed as the hole is still “in progress”

Table 2 – Drill-hole Information Summary, Springfield Cu-Au Project

Details and co-ordinates of drill-hole collars for air-core, RC and diamond drilling completed during the March 2017 quarter:

East North RL Hole Max
Hole ID Grid ID Dip Azimuth (m) (m) (m) Type Depth Hole Status
TLDD0114 MGA94_50 -620 1410 742,974 7,171,278 593 RC/DDH 220 In Progress
TLDD0115 MGA94_50 -590 1350 743,511 7,171,810 593 RC/DDH 124 Pre-collar
TLRC0060 MGA94_50 -600 1750 731,599 7,165,427 573 RC 316 Complete
TLRC0061 MGA94_50 -630 2990 745,972 7,174,394 609 RC 448 Complete
TLRC0062 MGA94_50 -620 860 743,806 7,170,201 600 RC 420 Complete
TLRC0063 MGA94_50 -620 850 742,745 7,170,000 596 RC 448 Complete
TLRC0064 MGA94_50 -620 850 746,738 7,173,700 610 RC 448 Complete
TLWB009 MGA94_50 -900 00 742,590 7,171,408 593 WB 122 Water bore
TLWB010 MGA94_50 -900 00 740,972 7,171,699 583 WB 120 Water bore
TLAC3143 MGA94_50 -600 1800 739,400 7,166,700 607 AC 70 Complete

Table 3 : Drill-hole Assay Intersections for the Springfield Cu-Au Project

Details of relevant intersections received by Talisman during the March 2017 quarter at the Springfield Cu-Au Project are provided below.

Calculation of RC intersections for inclusion into this table are based on a 0.5% Cu cut-off, no more than 3m of internal dilution and a minimum composite grade of 1%Cu. Intersection length, Cu (%), Au (ppm), Ag (ppm) and Zn (%) are rounded to 1 decimal point.

Hole ID Depth From Depth
To
Interval
Cu
Depth
To
Interval
Cu
Depth
To
Interval
Cu
Au Zn
(%)
0.0004
(m) (m) (m) (%) (ppm)
TLDD0114 In Progress
TLDD0115 Pre-collar only
TLRC0060 No significant Intercepts
TLRC0061 No Significant Intercepts
TLRC0062 No Significant Intercepts
TLRC0064 No Significant Intercepts
TLAC3143 10 15 5 0.0004 44.8

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Appendix 1: Talisman’s Tenement Holding

Project /
Tenement
Location
and
Blocks
(Area)
Interest at
Beginning
Quarter
Interest at
End Quarter
Acquired
during
Quarter
Surrendered
during
Quarter
Joint Venture
Partner /
Farm-In Party
HALLOWEEN
WEST
W Australia JV - Sandfire
Resources NL
E52/2275 6 18.8% 18.8% - -
HALLOWEEN W Australia JV - Sandfire
Resources NL
P52/1528 (200 HA) 18.8% 18.8% -
SPRINGFIELD W Australia JV - Sandfire
Resources NL
E52/2282 42 30% 30% - -
E52/2313 8 30% 30% - -
E52/2466 14 30% 30% - -
E52/3423 1 0% 30% - -
E52/3424 1 0% 30% - -
E52/3425 6 0% 30% - -
E52/3466 12 0% 30% - -
E52/3467 20 0% 30% - -
L52/170 (246.4HA) 0% 30% - -
M52/1071 (1,642HA) 0% 30% - -
E51/1767 14 0% 0% Application - N/A
Project /
Tenement
Location
and
Blocks
(Area)
Interest at
Beginning of
Quarter
Interest at
End of
Quarter
Acquired
during
Quarter
Surrendered
during
Quarter
Joint Venture
Partner /
Farm-In Party
SINCLAIR
NICKEL
PROJECT
W.Australia N/A
E36/650 16 100% 100% - -
E37/903 13 100% 100% - -
E37/1231 3 100% 100% -
L36/198 (103.1 HA) 100% 100% - -
L37/175 (83.9 HA) 100% 100% - -
M36/444 (568.0 HA) 100% 100% - -
M36/445 (973.0 HA) 100% 100% - -
M36/446 (843.0 HA) 100% 100% - -
M37/362 (981.5 HA) 100% 100% - -
M37/383 (841.7 HA) 100% 100% - -
M37/384 (536.7 HA) 100% 100% - -
M37/385 (926.8 HA) 100% 100% - -
M37/386 (983.8 HA) 100% 100% - -
M37/424 (891.0 HA) 100% 100% - -
M37/426 (505.0 HA) 100% 100% - -
M37/427 (821.0 HA) 100% 100% - -
M37/590 (120.0 HA) 100% 100% - -
M37/692 (136.1 HA) 100% 100% - -
M37/735 (959.0 HA) 100% 100% - -
M37/816 (818.4 HA) 100% 100% - -
M37/818 (806.5 HA) 100% 100% - -
M37/819 (380.2 HA) 100% 100% - -
M37/1063 (604.0 HA) 100% 100% - -
M37/1089 (574 HA) 100% 100% - -

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Project /
Tenement
Location
and
Blocks
(Area)
Interest at
Beginning of
Quarter
Interest at
End of
Quarter
Acquired
during
Quarter
Surrendered
during
Quarter
Joint Venture
Partner /
Farm-In Party
M37/1090 (478 HA) 100% 100% - -
M37/1126 (603 HA) 100% 100% - -
M37/1127 (603 HA) 100% 100% - -
M37/1136 (986 HA) 100% 100% - -
M37/1137 (850 HA) 100% 100% - -
M37/1148 (44.78 HA) 100% 100% - -
M37/1168 (190 HA) 100% 100% - -
M37/1223 (675 HA) 100% 100% - -
M37/1275 (1,961 HA) 100% 100% - -
P37/7228 (61.57 HA) 100% 100% - -
P37/7233 (116.01 HA) 100% 100% - -
OTHER NSW N/A
ELA5456 (273km2) 0% 0% Application -

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Appendix 2: JORC Tables Sections 1, 2 & 4

Section 1 Sampling Techniques and Data

(Criteria in this section apply to all succeeding sections)

Criteria JORC Code explanation Commentary
Sampling
techniques

Nature and quality of sampling (e.g. cut
channels, random chips, or specific specialised
industry
standard
measurement
tools
appropriate to the minerals under investigation,
such as down-hole gamma sondes, or handheld
XRF instruments, etc.). These examples should
not be taken as limiting the broad meaning of
sampling.

Include reference to measures taken to
ensure sample representivity and the
appropriate calibration of any measurement
tools or systems used.

Aspects of the determination of mineralisation
that are Material to the Public Report. In cases
where ‘industry standard’ work has been done
this would be relatively simple (e.g. ‘reverse
circulation drilling was used to obtain 1 m
samples from which 3kg was pulverised to
produce a 30g charge for fire assay’). In other
cases, more explanation may be required, such
as where there is coarse gold that has inherent
sampling problems. Unusual commodities or
mineralisation types (e.g. submarine nodules)
may warrant disclosure of detailed information.

Sampling techniques employed by Sandfire on the
Doolgunna Project include half core sampling of NQ2
Diamond Drill (DD) core, Reverse Circulation (RC)
drilling samples collected by a cone splitter for single
metre samples or sampling spear for composite
samples, and air-core (AC) sample collected using
spear techniques for both composite and single metre
samples.

Sampling is guided by Sandfire DeGrussa protocols and
QAQC procedures as per industry standard.

RC and AC sample size reduction is completed through
a Boyd crusher to -4mm and pulverised via LM5 to
nominal -75µm. Pulp size checks are completed.

Diamond core size reduction is through a Jaques jaw
crusher to -10mm and all samples Boyd crushed to -
4mm and pulverised via LM5 to nominal 90% passing -
75µm using wet sieving technique.

Samples are assayed using Mixed 4 Acid Digest (MAD)
0.3g charge and MAD Hotbox 0.15g charge methods
with ICPOES or ICPMS.

Fire Assay is completed by firing 40g portion of the
sample with ICPMS finish.
Drilling
techniques

Drill type (e.g. core, reverse circulation, open-
hole hammer, rotary air blast, auger, Bangka,
sonic, etc.) and details (e.g. core diameter,
triple or standard tube, depth of diamond tails,
face-sampling bit or other type, whether core is
oriented and if so, by what method, etc.).

Sandfire drilling is completed using industry standard
practices. RC drilling is completed with a face sampling
hammer of nominal 140mm size, AC drilling is with a
blade bit and diamond drilling is completed using NQ2
size coring equipment.

All drill collars are surveyed using RTK GPS.

All core, where possible is oriented using a Reflex ACT
II RD orientation tool.

Downhole surveying is undertaken using a gyroscopic
survey instrument.
Drill sample
recovery

Method of recording and assessing core and
chip sample recoveries and results
assessed.

Measures taken to maximise sample
recovery and ensure representative nature of
the samples.

Whether a relationship exists between
sample recovery and grade and whether
sample bias may have occurred due to
preferential loss/gain of fine/coarse material.

Sandfire core is metre marked and orientated to check
against the driller’s blocks, ensuring that all core loss is
taken into account. Diamond core recovery is logged
and captured into the database with weighted average
core recoveries of approximately 98%.

Surface RC sampling is good with almost no wet
sampling in the project area. AC drilling recovery is
good with sample quality captured in the database.

Samples are routinely weighed and captured into a
central secured database.

No indication of sample bias with respect to recovery
has been established.
Logging
Whether core and chip samples have been
geologically and geotechnically logged to a
level of detail to support appropriate Mineral
Resource estimation, mining studies and
metallurgical studies.

Whether logging is qualitative or quantitative
in nature. Core (or costean, channel, etc.)
_photography. _

Sandfire geological logging is completed for all holes
and is representative across the ore body. The lithology,
alteration, and structural characteristics of drill samples
are logged directly to a digital format following standard
procedures and using Sandfire DeGrussa geological
codes. Data is imported into the central database after
validation in LogChief™.

14

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Criteria JORC Code explanation Commentary

The total length and percentage of the
relevant intersections logged.

Logging is both qualitative and quantitative depending
on field being logged.

All drill-holes are logged in full.

All cores are digitally photographed and stored.
Sub-sampling
techniques
and sample
preparation

If core, whether cut or sawn and whether
quarter, half or all core taken.

If non-core, whether riffled, tube sampled,
rotary split, etc. and whether sampled wet or
dry.

For all sample types, the nature, quality and
appropriateness of the sample preparation
technique.

Quality control procedures adopted for all
sub-sampling stages to maximise
representivity of samples.

Measures taken to ensure that the sampling
is representative of the in situ material
collected, including for instance results for
field duplicate/second-half sampling.

Whether sample sizes are appropriate to the
grain size of the material being sampled.

Sandfire DD Core orientation is completed where
possible and core is marked prior to sampling. Half core
samples are produced using Almonte Core Saw.
Samples are weighed and recorded.

RC samples are split using a cone or riffle splitter. A
majority of RC samples are dry. On occasions that wet
samples are encountered they are dried prior to splitting
with a riffle splitter.

AC samples consist of 5m composite spear samples
produced from 1m. Additional 1m sampling may be
completed depending on the results from the 5m
composites samples.

All samples are dried at 80° for up to 24 hours and
weighed. DD Samples are then crushed through Jaques
crusher to nominal -10mm. Second stage crushing uses
Boyd crusher to nominal -4mm. Pulverising is
completed using LM5 mill to 90% passing 75µm.

RC and AC samples are Boyd crushed to -4mm and
pulverised using LM5 mill to 90% passing 75 µm.

Sample splits are weighed at a frequency of 1:20 and
entered into the job results file.

1:20 grind quality checks are completed for 90%
passing 75µm criteria using wet sieving technique to
ensure representativeness of sub-samples.

Sampling is carried out in accordance with Sandfire
protocols as per industry best practice.

The sample size is appropriate for the VHMS and Gold
mineralisation styles.

The nature, quality and appropriateness of
the assaying and laboratory procedures used
and whether the technique is considered
partial or total.

For geophysical tools, spectrometers,
handheld XRF instruments, etc., the
parameters used in determining the analysis
including instrument make and model,
reading times, calibrations factors applied
and their derivation, etc.

Nature of quality control procedures adopted
(e.g. standards, blanks, duplicates, external
laboratory checks) and whether acceptable
levels of accuracy (i.e. lack of bias) and
precision have been established.

Sandfire samples are assayed using Mixed 4 Acid
Digest (MAD) 0.3g charge and MAD Hotbox 0.15g
charge methods with ICPOES or ICPMS. The samples
are digested and refluxed with a mixture of acids
including Hydrofluoric, Nitric, Hydrochloric and
Perchloric acids and conducted for multi elements
including Cu, Pb, Zn, Ag, As, Fe, S, Sb, Bi, Mo, Re, Mn,
Co, Cd, Cr, Ni, Se, Te, Ti, Zr, V, Sn, W and Ba. The
MAD Hotbox method is an extended digest method that
approaches a total digest for many elements however
some refractory minerals are not completely attacked.
The elements S, Cu, Zn, Co, Fe, Ca, Mg, Mn, Ni, Cr, Ti,
K, Na, V are determined by ICPOES, and Ag, Pb, As,
Sb, Bi, Cd, Se, Te, Mo, Re, Zr, Ba, Sn, W are
determined by ICPMS. Samples are analysed for Au,
Pd and Pt by firing a 40g of sample with ICP AES/MS
finish. Lower sample weights are employed where
samples have very high S contents. This is a classical
FA process and results in total separation of Au, Pt and
Pd in the samples.

No geophysical tools are used in the analysis.

Sandfire DeGrussa QAQC protocol is considered
industry standard with standard reference material
(SRM) submitted on regularbasiswith routine samples.

15

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Criteria JORC Code explanation Commentary
SRMs and blanks are inserted at a minimum of 5%
frequency rate.
Verification of
sampling and
assaying

The verification of significant intersections by
either independent or alternative company
personnel.

The use of twinned holes.

Documentation of primary data, data entry
procedures, data verification, data storage
(physical and electronic) protocols.

Discuss any adjustment to assay data.

Significant intersections have been verified by alternate
Talisman personnel.

Sandfire primary data is captured on field tough book
laptops using Logchief™ Software. The software has
validation routines and data is then imported into a
secure central database.

The primary data is always kept and is never replaced
by adjusted or interpreted data.
Location of
data points

Accuracy and quality of surveys used to
locate drill-holes (collar and down- hole
surveys), trenches, mine workings and other
locations used in Mineral Resource
estimation.

Specification of the grid system used.

Quality and adequacy of topographic control.

Sandfire DeGrussa Survey team undertakes survey
works under the guidelines of best industry practice. All
surface drilling is accurately located using RTK-GPS.

For the Springfield project MGA94 Zone 50 grid
coordinate system is used.

Topography control was established from aerial
photography using series of survey control points.
Data spacing
and
distribution

Data spacing for reporting of Exploration
Results.

Whether the data spacing and distribution is
sufficient to establish the degree of
geological and grade continuity appropriate
for the Mineral Resource and Ore Reserve
estimation procedure(s) and classifications
applied.

Whether sample compositing has been
applied.

Infill drilling at Monty is based on a nominal 30m x 40m
grid.

Resource definition drill spacing and distribution of
exploration results is sufficient to support Mineral
Resource Estimation procedures. Refer ASX: SFR
13/04/2016 Maiden High Grade Mineral Resource for
Monty VMS Deposit

Exploration drill spacing outside of the Monty Mineral
Resource is not sufficient to estimate Mineral
Resources.

No sample compositing has been applied to the
exploration results.
Orientation of
data in relation
to geological
structure

Whether the orientation of sampling achieves
unbiased sampling of possible structures and
the extent to which this is known, considering
the deposit type.

If the relationship between the drilling
orientation and the orientation of key
mineralised structures is considered to have
introduced a sampling bias, this should be
assessed and reported if material.

At Springfield, no significant orientation based sampling
bias is known at this time.

The drill holes may not necessarily be perpendicular to
the orientation of the intersected mineralisation.
Sample
security

The measures taken to ensure sample
security.

Appropriate security measures are taken to dispatch
samples to the laboratory. Chain of custody of samples
is being managed by Sandfire Resources NL. Samples
are stored onsite and transported to laboratory by a
licenced transport company in sealed bulker bags. The
laboratory receipts received samples against the
sample dispatch documents and issues a reconciliation
report for every sample batch.
Audits or
reviews

The results of any audits or reviews of
sampling techniques and data.

No external audits or reviews of the sampling
techniques and data have been completed.

16

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Section 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.

Sandfire Resources NL and Talisman Mining Limited
have formed a Joint Venture which covers Talisman’s
Doolgunna Project tenements (E52/2282, E52/2313,
E52/2466, E52/3423, E52/3424, E52/3425, E52/3466,
E52/3467,
E52/2275,
P52/1528,
L52/170
and
M52/1071).

Sandfire and Talisman hold a 70%:30% interest
respectively in the Joint Venture, with the exception of
tenement E52/2275 and P52/1528 where interests of
approximately 81%:19% respectively are held.

Both
parties
are
contributing
proportionately
to
expenditure.

Sandfire Resources NL has been appointed as the Joint
Venture Manager.

All tenements are current and in good standing.

The Talisman tenements are currently subject to a
Native Title Claim by the Yugunga-Nya People
(WAD6132/98). Sandfire currently has a Land Access
Agreement in place with the Yungunga-Nya Native Title
Claimants and have assumed management of Heritage
Agreements which were executed by Talisman. These
agreements allow Sandfire to carry out mining and
exploration activities on their traditional land.
Exploration
done by other
parties

Acknowledgment and appraisal of exploration
by other parties.

Exploration work at Springfield completed prior to
Talisman’s tenure included geochemical soil and rock
chip sampling combined with geological mapping. Some
targeted RC drilling was completed over gold and
diamond targets.
Geology
Deposit type, geological setting and style of
mineralisation.

The Doolgunna Project lies within the Proterozoic-aged
Bryah rift basin enclosed between the Archaean
Marymia Inlier to the north and the Proterozoic Yerrida
basin to the south.

The principal exploration targets at the Doolgunna
Projects are Volcanogenic Massive Sulphide (VMS)
deposits located with the Proterozoic Bryah Basin of
Western Australia.
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:

easting and northing of the drill-hole collar

elevation or RL (Reduced Level –
elevation above sea level in metres) of the
drill-hole collar

dip and azimuth of the hole

down hole length and interception depth

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.

No new drill hole information is provided in this report

17

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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.

Significant intersections reported from the Springfield
Project are based on greater than 0.5% Cu and may
include up to a maximum of 3.0m of internal dilution, with
a minimum composite grade of 1.0% Cu.

Cu grades used for calculating significant intersections
are uncut.

Minimum and maximum DD sample intervals used for
intersection calculation are 0.3m and 1.2m respectively.

RC reported intersections are based on regular 1m
sample intervals.

No metal equivalents are used in the intersection
calculation.

Where core loss occurs; the average length-weighted
grade of the two adjacent samples are attributed to the
interval for the purpose of calculating the intersection.
The maximum interval of missing core which can be
incorporated with the reported intersection is 1m.
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 (e.g. ‘down hole length,
true width not known’).

Drill-hole intercepts relating to the Doolgunna Project in
this release are reported as both down-hole intersection
widths and estimated true width intersections (refer
Table 4: Drill hole assay intersections >1% for the Monty
Prospect).

The geometry of the mineralisation has been interpreted
using top of mineralisation surfaces that link mineralised
zones, thought to be continuous, between neighbouring
drill-holes. Given the variable, and often steeply dipping
orientation of the mineralisation, the angle between
mineralisation and drill-holes is not consistent. Downhole
intercepts for each drill-hole are converted to estimated
true widths using a trigonometric function that utilises the
dip and dip direction of the interpreted top of
mineralisation surface (at the intersection point of that
drill-hole) as well as the dip and azimuth of the drill-hole
at that position.
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.

Appropriate maps with scale are included within the body
of the accompanying document.
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.

The accompanying document is considered to represent
a balanced report.
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.

Other exploration data collected is not considered as
material to this document at this stage. Other data
collection will be reviewed and reported when
considered material.

18

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Criteria JORC Code explanation Commentary
Further work
The nature and scale of planned further work
(e.g. tests for lateral extensions or depth
extensions or large-scale step-out drilling).

Diagrams clearly highlighting the areas of
possible extensions, including the main
geological interpretations and future drilling
areas, provided this information is not
commercially sensitive.

Planned exploration across the Springfield Joint
Venture Project area includes both surface and down-
hole geophysical techniques and reconnaissance and
exploration drilling with Diamond, Reverse Circulation
and air-core drilling techniques.

19

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Section 4 Estimation and Reporting of Ore Reserves (Criteria listed in preceding sections where relevant, also apply to this section.)

Criteria JORC Code Explanation Commentary Commentary Commentary Commentary
Mineral Resource
estimate for
conversion to Ore
Reserves
Description
of
the
Mineral
Resource estimate used as a
basis for the conversion to an Ore
Reserve.

The Underground Ore Reserve estimate is based on the Monty deposit
Mineral Resource estimate as at the 31 March 2016. This estimate does
not contain a Measured Mineral Resource therefore only the Indicated
Mineral Resource is available for conversion to an Ore Reserve. The
Indicated Mineral Resource constitutes 99% of the total Monty deposit
Mineral Resource estimate tonnes and 98% of the total contained copper.
The remainder is classified as Inferred Mineral Resource.

A vertical percentage split of tonnage and contained copper of the
Indicated Mineral Resource by RL is tabulated below.
Name
RL
Tonnes (%)
Contained
Copper (%)
UZ
>=410mRL
22
11
LZ
>=210mRL<410mRL
72
87
LZ
<210mRL
6
2
Name RL Tonnes (%) Contained
Copper (%)
UZ >=410mRL 22 11
LZ >=210mRL<410mRL 72 87
LZ <210mRL 6 2
The estimation and reporting of the Monty deposit Mineral Resources is outlined in
a SFR ASX Announcement, dated 13 April 2016.

Clear statement as to whether
the Mineral Resources are
reported
additional
to,
or
inclusive of, the Ore Reserves.

Mineral Resources reported are inclusive of Ore Reserves.
Site visits
Comment on any site visits
undertaken by the Competent
Person and the outcome of
those visits.

The Competent Person for this Ore Reserve statement is a full-time
employee of Sandfire Resources NL (SFR), is based in Perth, and
undertakes regular site visits.

If no site visits have been
undertaken indicate why this is
the case.

Site visits are undertaken as described above.

20

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Criteria JORC Code Explanation Commentary
Study status
The type and level of study
undertaken to enable Mineral
Resources to be converted to
Ore Reserves.

A feasibility study was completed between June 2016 and April 2017.
Cut-off
parameters

The basis of the cut-off grade(s)
or quality parameters applied.

The cut-off parameters used to determine the project Ore Reserves are
based on 100% project ownership. JV charges and fees are also
considered. Three copper only cut-off grades have been calculated as
economic cut-offs in the determination of the Ore Reserves. These are
based on study estimated costs, revenues, mill recoveries and modifying
factors. The cut-off values are:

Full cost cut-off grade (4.9% Cu) – is based on all operating costs
associated with the production of copper metal.

Stope incremental cut-off grade (3.2% Cu) - considers material below the
full cost cut-off that is accessible, and

Development cut-off grade (2.4% Cu) – considers material that has to be
mined in the process of gaining access to fully costed economic material.
Mining factors or
assumptions

The method and assumptions
used as reported in the Pre-
Feasibility or Feasibility Study to
convert the Mineral Resource to
an Ore Reserve (i.e. either by
application
of
appropriate
factors by optimisation or by
preliminary or detailed design).

Ore Reserves have been estimated by generating detailed mining shapes
that take account of cut-off grade criteria and geometric complexity for all
areas that contain Indicated Mineral Resources. This also includes
requirements for access development. Internal stope dilution has been
designed into the mining shapes and interrogated. External stope dilution
and mining recovery factors have been applied post geological model
interrogation to generate final diluted and recovered material that is then
reassessed against final Project cut-off grade criteria.

The
choice,
nature
and
appropriateness of the selected
mining method(s) and other
mining parameters including
associated design issues such
as pre-strip, access, etc.

The Monty project is a time constrained project that requires its mining life
to align with the processing life of the nearby DeGrussa mine. To minimise
extraction risk and provide production capacity and flexibility the Ore
Reserve requires to be accessed as early as practical. Development
priority is given to accessing the Indicated Massive Sulphide Resource
located between 210mRl and 410mRL.

A deep weathering profile in the vicinity of the deposit has impacted on
the selection of the location of the portal boxcut and subsequent decline
pathway. Boxcut and decline development are located to provide early
access to fresh rock in order to minimise orebody access timing risk.

The mining method selected is long-hole open stoping (LHOS) with fill.
Primary fill material will be Cemented Aggregate Fill (CAF) with
unconsolidated rock fill (RF) used where consolidated fill is not required.
This method allows for total extraction where economic and provides good
extraction flexibility with variable geometry and ground conditions.

An overhand mining sequence has been selected employing multiple
mining panels. CAF sill pillars will be established to create mining panels.
Strategic CAF rib pillars will be used to manage local stope and mining
panel ground stability.

The overhand sequence provides an opportunity to complete grade
control drilling prior to accessing the orebody.

The selected mining method is considered appropriate for the nature of
the defined Mineral Resources and surrounding host rock. Experienced
gained at the nearby DeGrussa underground mine has been adopted
where applicable as extraction is expected to occur under comparable
conditions.

21

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Criteria JORC Code Explanation Commentary

The
assumptions
made
regarding
geotechnical
parameters (e.g. pit slopes,
stope sizes, etc.), grade control
and pre-production drilling.

Both the boxcut and near surface decline locations have been assessed
via specific diamond drilling programs and subsequent geotechnical
assessment.

A 40m long primary surface ventilation raise is planned to be established
in close proximity to the planned decline pathway. Geotechnical
parameters for this raise have been derived from the nearby boxcut and
decline geotechnical assessments.

No_in situ_stress measurements have been undertaken. The stress field
has been estimated to be low to moderate, supported by the measured
stress field at DeGrussa, which is located approximately 10 km west of the
Monty Project_._

Stope and development geotechnical parameters have been derived from
core logging of dedicated geotechnical and metallurgical diamond
drillholes, resource diamond drill holes, rock strength testing data and a
structural model.

Stope stability (size) has been assessed using the industry accepted
empirical stability chart method. This method is suitable to provide
indicative stope stability assessments but reliable stability forecasts
require local scale rock mass information. The method has known
published limitations but is considered appropriate for this mine design in
the manner in which it has been applied.

Stope size in the UZ is constrained because of the influence of rock
fracturing and oxidation associated with the Arneis Fault. This fault runs
sub-parallel to and in and out of the UZ mineralisation. The level of
confidence in stope performance in this zone is considered low.

Rock mass conditions in the LZ are considered to be fair to very good with
mineralisation geometric complexity a primary influence on stope size.

Grade control drilling requirements have been determined via the use of
conditional simulation techniques. A drill hole spacing grid of 10m x 10m
has been assumed.

The major assumptions made
and Mineral Resource model
used
for
pit
and
stope
optimisation (if appropriate).

The Monty deposit Mineral Resources as at the 31 March 2016 was used
as the basis for stope and development design. No modifications were
made to this model for mine design and stope optimisation purposes.

The mining dilution factors used.

Internal stope dilution tonnage (waste material contained within the
designed stope shape) has been captured via the stope design process
and is variable dependent on the geometry of the mineralisation to be
extracted. The geometry of the Monty deposit varies both on strike and
dip with multiple lodes present. Internal stope dilution tonnage therefore
varies and ranges from 0% to 90% with an average of 17%. Internal stope
dilution is at zero grade.

An external dilution factor (external to the stope shape) is also applied to
stopes to account for blasting practices and expected local ground
conditions. The UZ is impacted by the Arneis Fault that runs sub-parallel
to and in and out of the mineralisation therefore a larger factor has been
used compared to the LZ where ground conditions are better and are not
impacted by a significant structure. The LZ uses a 3% external dilution
tonnage factor at zero grade. The UZ uses a 33% external dilution tonnage
factor at an average grade of the Halo Mineral Resource that envelops the
massive sulphide.

The mining recovery factors
used.

A mining recovery factor of 95% is applied to all diluted stopes.

22

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Criteria JORC Code Explanation Commentary

Any minimum mining widths
used.

A minimum mining width of 3.0m has been used which takes account of
the selected equipment fleet, productivity requirements and the nature of
the mineralisation.

The manner in which Inferred
Mineral Resources are utilised
in mining studies and the
sensitivity of the outcome to
their inclusion.

No Inferred Mineral Resources are included in the Ore Reserves. The
Monty deposit contains an Inferred Mineral Resource that constitutes less
than 1% of the total mineral resource tonnage. Its inclusion in the LOM
plan and subsequent impact on economic viability is negligible.

The infrastructure requirements
of the selected mining methods.

The selected mining method requires the following infrastructure:
o
Orebody access, including boxcut, and egress development drives
and raises
o
Orebody intake and return air ventilation development drives and
raises
o
Surface primary ventilation exhaust fans
o
Underground service water and compressed air supply and
dewatering system
o
Underground communications system
o
Underground power reticulation
o
Crushing and screening facilities and a surface batch plant for
shotcrete and CAF backfill supply
o
Surface explosive storage

23

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Criteria JORC Code Explanation Commentary
Metallurgical
factors
or
assumptions

The
metallurgical
process
proposed
and
the
appropriateness
of
that
process to the style of
mineralisation.

Whether
the
metallurgical
process
is
well-tested
technology or novel in nature.

The nature, amount and
representativeness
of
metallurgical
test
work
undertaken, the nature of the
metallurgical
domaining
applied and the corresponding
metallurgical recovery factors
applied.

Any
assumptions
or
allowances
made
for
deleterious elements.

The existence of any bulk
sample or pilot scale test work
and the degree to which such
samples
are
considered
representative of the orebody
as a whole.

For minerals that are defined
by a specification, has the ore
reserve estimation been based
on the appropriate mineralogy
to meet the specifications?

The Ore Reserve estimate is based on an operating 1.6 Mtpa
concentrator plant producing a 24.5% copper-concentrate that contains
gold and silver. The ore from Monty will be treated subject to the terms
of an Ore Sale and Purchase Agreement.

The Monty orebody is a volcanogenic massive sulphide similar in
composition to the nearby DeGrussa orebodies.

The DeGrussa plant will operate at 1.6 Mtpa and Monty will comprise up
to 25% of the ore presented to the plant.

The level of testwork is considered adequate as a result of adopting a
processing blend strategy and using the existing DeGrussa concentrator
plant flowsheet. The testwork completed focused on:
o
Understanding the comminution properties and how these properties
affect the DeGrussa milling circuit achieving 1.6Mtpa at a primary
grind of 45µm
o
Performing flotation variability testing using the DeGrussa
geometallurgical flowsheet to assess the robustness of this flowsheet
on natural variations within the Monty ore
o
Investigate the resultant concentrate specifications in order to
determine the quality of the concentrate.

Flotation testwork was based on a total of eleven quarter core and half
core diamond drill holes that were selected to cover the deposit with
respect to spatial variability, ore variability, ore mineralogy and waste
types. Composites were created to reflect full ore zones plus adjacent
waste.

Comminution testwork included SMC, Bond Ball Work Index and
abrasion testing. Seven large diameter PQ diamond drill holes were
drilled to provide the samples. These holes were drilled “twinning” some
of the geological significant areas determined from geotechnical drilling.
In particular, in relation to known structural controls, grade ranges,
mineralogy and waste characteristics.

Testwork on the Monty ore has shown that flotation and comminution
characteristics of the ores are similar to DeGrussa ore and Monty can be
treated at DeGrussa with high recoveries.

Cu, Au and Ag recovery algorithms have been used in the determination
of the Ore Reserve estimate.

Elevated levels of bismuth, mercury, selenium and tellurium in
concentrate have been reported from some of the bornite zone
composites. Blending of ore from this zone requires a lower percentage
(<10%) to manage the risk of penalties.

No bulk sample or pilot scale testwork was undertaken as ore will be
treated at the existing DeGrussa concentrator plant with Monty ores
having similar flotation and comminution characteristics to DeGrussa
ores.
Environmental
The status of studies of potential
environmental impacts of the
mining
and
processing
operation. Details of waste rock
characterisation
and
the
consideration of potential sites,
status
of
design
options
considered
and,
where
applicable,
the
status
of
approvals for process residue
storage and waste dumps
should be reported.

Monty will require a number of environmental approvals, including Mining
Proposal (Mining Act), Works Approval and Environmental Licence (EP
Act), Native Vegetation Clearing Permit (EP Act), Groundwater Licence
(DoW Licence to Take Water).

No separate Commonwealth environmental assessment will be required,
nor will the project require assessment by the Office of the Environmental
Protection Authority (WA).

All the necessary studies required to complete the various applications
have been completed and reported. Other reports completed include the
Mine Closure Plan.

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Criteria JORC Code Explanation Commentary
Infrastructure
The existence of appropriate
infrastructure: availability of land
for plant development, power,
water,
transportation
(particularly
for
bulk
commodities),
labour,
accommodation; or the ease
with which the infrastructure can
be provided, or accessed.

Monty will utilise existing infrastructure and services installed to support
mining operations at DeGrussa. The main items includes:
o
Access road from the Great Northern Highway
o
Raw water system and borefield
o
Accommodation village
o
Aerodrome
o
Assay laboratory
o
Core farm
o
External communication connections
o
Underground heavy mobile equipment workshop
o
Mine workers change room facilities
o
DeGrussa ROM pad

Infrastructure requirements specific to Monty include:
o
A 14km access road to Monty that will connect the Monty mine to the
DeGrussa ROM pad
o
Site earthworks including laydown areas, PAF waste rock storage,
ore stockpile, diversion drains and bunds, water storage and event
ponds
o
Mining offices, muster/crib room, toilets and first aid treatment;
o
Fuel storage and dispensing;
o
Service facilities for underground mining equipment;
o
Power generators and power distribution;
o
Waste water treatment plant with spray fields;
o
Communications tower;
o
Crushing facilities, batchplant and CAF mixing.
Costs
The
derivation
of,
or
assumptions made, regarding
projected capital costs in the
study.

The methodology used to
estimate operating costs.

Allowances
made
for
the
content of deleterious elements.

The source of exchange rates
used in the study.

Derivation
of
transportation
charges.

The basis for forecasting or
source of treatment and refining
charges, penalties for failure to
meet specification, etc.

The
allowances
made
for
royalties
payable,
both
Government and private.

Capital and operating costs have been derived from first principles.
Quantity information was derived from detailed design and factored from
similar works. Cost information primarily supplied from:
o
Existing DeGrussa contractors, and
o
DeGrussa historical costs

Monty ore will be subject to an ore treatment fee, as part of an Ore Sale
and Purchase Agreement. The fee structure is outlined in the body of the
announcement as agreed between Sandfire Resources NL (SFR) and
Talisman Mining Ltd (TLM).

No allowances have been made for deleterious elements.

Exchange rates are based on ANZ bank December 2016 forecasts and
vary over the life of the mine. The average weighted LOM AU$:US$ exchange rate is 0.72.

Land freight and port charges are based on existing contracts. Sea freight
charges based on Braemar indices. TC / RC based on benchmark.

Monty is subject to Government Royalties. Rates for Government
Royalties are:
o
Copper is 5.0% of net revenue
o
Gold is 2.5% of net revenue
o
Silver is 2.5% of net revenue

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Criteria JORC Code Explanation Commentary
Revenue factors
The
derivation
of,
or
assumptions made regarding
revenue factors including head
grade, metal or commodity
price(s)
exchange
rates,
transportation and treatment
charges, penalties, net smelter
returns, etc.

The derivation of assumptions
made of metal or commodity
price(s), for the principal metals,
minerals and co-products.

Commodity prices are based on the ANZ bank December 2016 forecast
and vary over the life of the mine. Average weighted LOM values are:
o
Copper price: 6126 US$/t
o
Gold: 1366 US$/oz
o
Silver: 18.72 US$/oz
Market
assessment

The demand, supply and stock
situation
for
the
particular
commodity, consumption trends
and factors likely to affect supply
and demand into the future.

A customer and competitor
analysis
along
with
the
identification of likely market
windows for the product.

Price and volume forecasts and
the basis for these forecasts.

For industrial minerals the
customer specification, testing
and acceptance requirements
prior to a supply contract.

Monty ore will be sold to SFR to be processed at DeGrussa into a copper
concentrate containing gold and silver.

SFR is a copper concentrate producer selling into global market for
custom concentrates.

Pricing is fundamentally on value of contained metals the main metal
being copper with gold and small silver credits.

SFR produces a clean concentrate, low in deleterious elements.

SFR relies upon independent expert publications (CRU, Wood Mac, Metal
Bulletin) and other sources (bank reports, trader reports, conferences,
other trade publications) in forming a view about future demand and
supply and the likely effects of this on both metal prices and concentrate
prices.

SFR concentrate is sold by competitive tender.
Economic
The inputs to the economic
analysis to produce the net
present value (NPV) in the
study,
the
source
and
confidence of these economic
inputs
including
estimated
inflation, discount rate, etc.

NPV ranges and sensitivity to
variations in the significant
assumptions and inputs.

The economic evaluation has been completed on a 100% project
ownership basis, including estimated JV charges and fees, and excludes
tax considerations. The evaluation has not considered the commercial
position of the respective JV parties.

Cost inputs as outlined in Costs section with the exclusion of corporate
overheads, exploration expenditure, project financing or interest charges
and cost escalation.

Revenue inputs as outlined in the Revenue factors section.

The project is considered to be economically robust. The project is most
sensitive to copper price, copper grade and exchange rate. Individual
variations in copper price (-20%), average copper grade (-15%) and
exchange rate (+10%) all produce positive economic outcomes.
Social
The status of agreements with
key stakeholders and matters
leading to social license to
operate.

Monty is located wholly within a registered Native Title Claim. An
agreement (LAA) exists between the claimants and SFR and the
claimants have agreed to amend the existing LAA.

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Criteria JORC Code Explanation Commentary Commentary Commentary Commentary Commentary Commentary
Other
To the extent relevant, the
impact of the following on the
project and/or on the estimation
and classification of the Ore
Reserves:

Any identified material naturally
occurring risks.

The status of material legal
agreements
and
marketing
arrangements.

The status of governmental
agreements
and
approvals
critical to the viability of the
project,
such
as
mineral
tenement
status,
and
government
and
statutory
approvals. There must be
reasonable grounds to expect
that all necessary Government
approvals will be received within
the timeframes anticipated in
the Pre-Feasibility or Feasibility
study. Highlight and discuss the
materiality of any unresolved
matter that is dependent on a
third party on which extraction of
the reserve is contingent.

The owner and proponent of Monty is an Unincorporated Joint Venture
between SFR and TLM. SFR holds a 70% interest in the Joint Venture
and is the manager while TLM holds the remaining 30%. The Joint Venture
is based on three agreements, namely:
o
Exploration JV Agreement (EJVA);
o
Mining JV Agreement (MJVA); and
o
Ore Sale and Purchase Agreement (OSPA).

All three agreements have been signed.

All areas of the proposed development have been surveyed in accordance
with the Aboriginal Heritage Act 1972 (WA) and any areas of significance
have been noted and plotted on development plans.

The Mining Lease M52/1071 over the Monty Project covers all mining and
support infrastructure required before being transported to the DeGrussa
for processing. Miscellaneous License L52/170 is for Monty Haul Road
and other infrastructure such as pipelines and power lines, as required.
Tenement
Area
(ha)
Area
(km2)
Holder(s)
Application
Date
Grant Date
M52/1071
1,642
16.42
SFR - TLM
13-Jul-16
31-Mar-17
L52/170
246.48
2.46
SFR - TLM
10-Nov-16
17-Feb-17
Tenement Area
(ha)
Area
(km2)
Holder(s) Application
Date
Grant Date
M52/1071 1,642 16.42 SFR - TLM 13-Jul-16 31-Mar-17
L52/170 246.48 2.46 SFR - TLM 10-Nov-16 17-Feb-17
Classification
The basis for the classification of
the Ore Reserves into varying
confidence categories.

Whether the result appropriately
reflects the Competent Person’s
view of the deposit.

The proportion of Probable Ore
Reserves
that
have
been
derived from Measured Mineral
Resources (if any).

Underground Ore Reserves have been derived from a mine plan that is
based on extracting the 31 March 2016 Mineral Resources. Probable Ore
Reserves have been derived from Indicated Mineral Resources after
consideration of all modifying factors.

The Ore Reserve classification appropriately reflects the competent
person’s view of the deposit.

The 31 March 2016 Mineral Resource does not contain any Measured
Mineral Resources.

Unmodified Massive Sulphide Indicated Mineral Resources comprise
191,000 tonnes at 7.7% Cu for 14,800 tonnes of contained copper. These
are generally located at the extremities of the defined orebody where the
mineralisation narrows. Underground diamond drilling programs will target
these areas during operations.
Audits or reviews
The results of any audits or
reviews
of
Ore
Reserve
estimates.

The Ore Reserve has been internally reviewed. Modifying factors have
been externally peer reviewed by:
o
AMC Consultants Pty Ltd - Mining, geotechnical, geohydrology
o
Battery Limits Pty Ltd - Metallurgical
o
Mintrex Pty Ltd - Surface Infrastructure
o
Integrate Sustainability Pty Ltd - Environment

No fatal flaws were identified in the modifying factors by the external peer
reviewers.

27

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Criteria JORC Code Explanation Commentary
Discussion
of
relative accuracy /
confidence

Where appropriate a statement
of the relative accuracy and
confidence level in the Ore
Reserve estimate using an
approach or procedure deemed
appropriate by the Competent
Person.
For example,
the
application of statistical or
geostatistical
procedures
to
quantify the relative accuracy of
the
reserve
within
stated
confidence limits, or, if such an
approach
is
not
deemed
appropriate,
a
qualitative
discussion of the factors which
could
affect
the
relative
accuracy and confidence of the
estimate.

The statement should specify
whether it relates to global or
local estimates, and, if local,
state the relevant tonnages,
which should be relevant to
technical
and
economic
evaluation.
Documentation
should include assumptions
made and the procedures used.

Accuracy
and
confidence
discussions should extend to
specific discussions of any
applied Modifying Factors that
may have a material impact on
Ore Reserve viability, or for
which there are remaining areas
of uncertainty at the current
study stage.

It is recognised that this may not
be possible or appropriate in all
circumstances.
These
statements of relative accuracy
and confidence of the estimate
should
be
compared
with
production
data,
where
available.

The project is considered robust with the Ore Reserve copper grade of
8.6% Cu significantly higher than the full cost cut-off grade of 4.9% Cu.
Approximately 19% of the Ore Reserve tonnes which contains 8% of the
Ore Reserve contained copper tonnes falls between the development
incremental cut-off copper grade of 2.4% Cu and the full cost cut-off grade
of 4.9% Cu.

There has been an appropriate level of consideration given to all modifying
factors to support the declaration and classification of Ore Reserves.

No statistical or geostatistical procedures were carried out to quantify the
accuracy of the Ore Reserve.

There is a lower level of confidence associated with the geotechnical
parameters adopted to derive the Ore Reserves located in the UZ
(>=410mRL) compared to those adopted for the LZ (<410mRL). This area
is impacted by rock fracturing and oxidation associated with the Arneis
Fault. This fault runs sub-parallel to and in and out of the UZ mineralisation
that forms part of the Ore Reserve. This structure will negatively impact
on stope performance in this zone. The zone is marginally economic
therefore is sensitive to changes in the key economic inputs e.g. copper
price, copper grade. The UZ contains approximately 15% of the Ore
Reserve tonnes and 8% of the Ore Reserve contained copper.

28