IMPALA FACT SHEET - Implats
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FACT SHEET IMPALA
Impala, Implats’ 96%
owned primary operational
GEOLOGY
unit, has operations situated on
the western limb of the world-
renowned Bushveld Complex near Both the Merensky and UG2
Rustenburg in South Africa. This Reefs, which are contained in the
operation comprises a multi-shaft Rustenburg Layered Suite, a well-
layered ultramafic to mafic igneous
mining complex and concentrating
succession on the two billion
and smelting plants. The base and year-old Bushveld Complex, are
precious metals refineries are present throughout the lease area.
situated in Springs, east of
Both reefs sub-outcrop on the
Johannesburg. In FY2020,
mining area and dip approximately
Impala produced 1.3 million
Impala 10 to 12 degrees towards the
6E ounces.
The details – Mineral Resources and Mineral Reserves
Implats Mineral Resource and Mineral Reserve Statement 2018 39
centre of the complex, although
History
In 1965 Union Corporation purchased a company called Impala Prospecting Company. The first six test boreholes were
locally dips may increase to
drilled during 1965. The first vertical shaft (62m) was developed in 1967 to obtain a bulk Merensky sample. Impala Platinum
Limited was created on 26 April 1968, as a subsidiary of Union Corporation.
15 degrees. The vertical separation
Initial production commenced on 22 July 1969 after a mining lease over land predominantly owned by the then Bafokeng
Tribe (now the Royal Bafokeng Nation (RBN)) was originally granted in 1968. Initially Impala mined the Merensky Reef and
the mining of the UG2 Reef only began in the early 1980s as the technology to smelt ore containing chromitite at a higher between the Merensky and UG2
temperature was developed. By the early 1990s, 13 vertical shafts were in operation and Impala was producing in the region
of one million platinum ounces per annum. Shaft sinking at the new generation shafts (16, 17 and 20) commenced in the
mid-2000s. reefs varies from about 125 metres
Regional locality map showing PGM mineral in the south to some 45 metres
rights and infrastructure around Impala
Regional locality map showing PGM mineral rights and
infrastructure around Impala
in the north.
25o18’S 25o18’S
27o15’E
27o30’E
27oE
SUN CITY
WESIZWE
ROYAL
BAFOKENG
PLATINUM
0 5 10
PTM R566
NEWCO Scale (km)
R565 IMPALA PLATINUM
25o30’S 25o30’S
R510
R566
R565
PHOKENG SIB
AN
YE LONMIN
(K PLATINUM
ro SIBANYE PLATINUM (Marikana)
on
da (Rustenburg Operations)
l)
N4
SIBANYE
PLATINUM
RUSTENBURG (Kroondal Operations)
N4
27o30’E
27oE
27o15’E
25o45’S 25o45’S
2
M i n e r al r eso u rces an d rese r ves
Mineral Resources as at 30 June 2020
Impala Category Tonnes (Mt) Width (cm) 4E Grade (g/t) 6E Grade (g/t) 6E (Moz)
measured 116.2 121 6.29 7.02 26.2
Merensky indicated 68.8 104 6.43 7.18 15.9
inferred 11.2 99 7.33 8.18 3.0
measured 148.1 95 5.55 6.61 31.5
UG2 indicated 70.5 95 5.51 6.56 14.9
inferred 12.4 95 5.36 6.38 2.6
Total 427.3 5.93 6.84 93.9
Mineral Resources (tailings) as at 30 June 2020
Category Tonnes (Mt) 4E Grade (g/t) 6E Grade (g/t) 6E (Moz)
1 & 2 tailings
indicated 50.1 0.71 0.81 1.3
complex
Mineral Reserves as at 30 June 2020
Mill Tonnes
Category Width (cm) 4E Grade (g/t) 6E Grade (g/t) 6E (Moz)
(Mt)
proved 8.2 142 3.47 3.87 1.0
Merensky
probable 46.2 139 3.75 4.19 6.2
proved 13.7 115 3.59 4.27 1.9
UG2
probable 49.5 114 3.48 4.14 6.6
Total 117.5 3.60 4.15 15.7
3
ratios0 show the distinct differences between the Merensky and
Width (
Au 3.2
UG2 -50Reefs, in particular the higher Pt:Pd ratio associated with the
Merensky
-100 Reef and the relative high proportion of rhodium in the 0 10% 20% 30% 40% 50% 60%
UG2
-150Reef, as shown below. (%)
30 -200
0 4 8 12 16
Impala Merensky 6E metal ratio
Grade (g/t) Impala UG2 6E metal ratio
● Chromitite as at 30 June 2020 (%) as at 30 June 2020 (%)
Impala MerenskyPegmatoid
Pyroxenite● 6E metal Anorthosite/norite
ratio as at 30 June
● 2020 (%)
Chromitite ● ● Impala UG2 6E metal ratio as at 30 June 2020 (%)
Pt 56.9 Pt
Pt 48.4
48.4
Pd 6E Pd 24.8 Pd 26.2
Pd 26.2
■ ■
Rh 4.8 Rh 8.4
8.4
Rh
Ru 8.0 Ru 12.0
12.0
Ru
Ir 2.4 3.9
IrIr 3.9
Au 3.2 Au 1.0
Au 1.0
0 10% 20% 30% 40% 50% 60% 0 10% 20% 30% 40% 50%
0 10% 20% 30% 40% 50%
(%) (%)
(%)
Merensky and UG2 metal ratios derived from the estimated five-year historicMerensky
mill feedandcontrol samples.
UG2 metal ratios derived from the estimated five-year historic mill
16 feed control samples.
Impala UG2 6E metal ratio
as at 30 June 2020 (%)
● Chromitite
MIN I N G
Pt 48.4
Pd 26.2
Rh 8.4
IMPLATS
Ru 12.0 MINERAL RESOURCE AND MINERAL RESERVE STATEMENT 2020 51
Ir 3.9
Impala
Au
holds
1.0
contiguous mining and prospecting rights over a total area of
29 773 hectares.
0 10% 20%
(%)
30% 40% 50%
Merensky and UG2 metal ratios derived from the estimated five-year historic mill
Thefeed
Merensky
control samples.and UG2 reefs are mined concurrently and the mining method is
predominantly conventional breast mining. Mining currently extends to a depth of
around 1 000 metres. The stoping width for Merensky Reef is typically about 1.3 metres,
whilst that for UG2 is about 1.1 metres. Panel lengths vary from 15 to 30 metres for INTRODUCTION SC
both Merensky and UG2 reefs. IMPLATS
AND OVERVIEW SE
MINERAL RESOURCE AND MINERAL RESERVE STATEMENT 2020 51
Impala
Geology
Impala – Merensky Pyroxenite – Reef The geologic
META L L UR GY 100
■
Pt ■
Pd ■
6E stratigraphic
are separate
layered units
50
thickens to 1
Merensky an
Width (cm)
0
Reef is gene
-50 overlying a t
INTRODUCTION SCENE THE DETAILS – MINERAL RESOURCES
APPENDICESto norite foo
Mineral Processes houses the concentrator and smelter operations and is located on
AND OVERVIEW SETTING AND MINERAL RESERVES
-100 Occasionally
stringer may
-150
the mine property in Rustenburg.ImpalaOre is allocated to either the UG2 plant, for higher 0 4 8
Grade (g/t)
12 16
the footwall
mining oper
Pyroxenite Pegmatoid Anorthosite/norite Chromitite ‘A’, ‘B’, ‘C’ o
chromium grade material, or to the central concentrator for Merensky ore. PGMs
● ● ● ●
locally called
Geology
in Merensky ore are recovered at around
Impala 89%, –while
– Merensky Pyroxenite Reef those in UG2
ImpalaThe are recovered
geological
– Merensky succession–isReef
Pegmatoid at in the generalised
illustrated
The UG2 Re
of the PGM
stratigraphic column on page 52. The Merensky and UG2 Reefs followed by Pt Pd 6E Pt Pd 6E
around 79%.The smelter operation treats concentrate from both streams, as well as toll
■ ■ ■ ■ ■ ■
are separated by a sequence of mostly anorthositic and noritic The hanging
100 100
layered units from 45m in the northern part of the lease area and pyroxenite c
50 50
thickens to 125m in the southern part of the lease area. Both the layers. The v
material. The resultant matte is transported to the refineries located in and
Merensky Springs
UG2 Reefs are which
exploited at Impala. The Merensky accompanyi 0
Width (cm)
0
Width (cm)
Reef is generally composed of an upper feldspathic pyroxenite, contacts in a
comprises a Base Metal Refinery (BMR) and a Precious Metal Refinery (PMR).
-50
overlying a thin basal chromitite stringer, followed by an anorthosite
-50 ratios show
to norite footwall. Locally this is termed a ‘pyroxenite reef’.
INTRODUCTION UG2 Reefs,
SCENE THE DETAILS – MINERAL RESOURCES -100
-100
AND OVERVIEW SETTING AND MINERAL RESERVES APPENDICES Occasionally a pegmatoidal pyroxenite and a second chromitite Merensky R
-150
stringer may be developed between the feldspathic pyroxenite and UG2 Reef, a
-150 -200
0 4 8 12 16
the footwall units. This is termed a ‘pegmatoid reef’. As an aid to
0
mining operations10the Merensky 20 30
Reef is further defined as being
Impala
Grade (g/t)
● Pyroxenite ● Pegmatoid ● Anorthosite/norite ● Chromitite ‘A’, ‘B’, ‘C’ or ‘H’ Reef Grade
where (g/t)
it rests on specific footwall units – Impala Mer
Pyroxenite Pegmatoid
locally called Footwall 1, 2Anorthosite/norite Chromitite
and 3, respectively. as at 30 June
● ● ● ●
The UG2 Reef is defined as a main chromitite layer, with most
Geology Pt
Impala – Merensky Pegmatoid – Reef Impalaof– the
UG2PGM and base metal mineralisation confined to this unit,
Impala
Impala- –Merensky
MerenskyPyroxenite - Reef
Pyroxenite – Reef ImpalaThe geological
- Merensky succession
Pegmatoid is illustrated
- Reef Pt
inPdthe generalised
6E Impala -followed
■
UG2 by a poorly mineralised pegmatoidal
■ ■
Pt Pd pyroxenite footwall. Pd
6E ■ ■ ■
■
Pt ■
Pd ■
6E stratigraphic column on page 52. The Merensky and UG2 Reefs The hangingwall to the main chromitite layer is a feldspathic
100 200
100 are separated by a sequence of mostly anorthositic and noritic pyroxenite containing up to four thin, poorly mineralised chromitite
Rh 4.8
layered
50 units from 45m in the northern part of the lease area and 150 layers. The vertical grade distribution is depicted in the Ru
50
thickens
0
to 125m in the southern part of the lease area. Both the 100 accompanying graphs, notably showing peak values at reef
Width (cm)
2.4
Width (cm)
Merensky and UG2 Reefs are exploited at Impala. The Merensky 50 Ir
contacts in association with chromitite. The average 6E metal
Width (cm)
0
Reef is generally composed of an upper feldspathic pyroxenite, ratios
-50 0
show the distinct differences between the Merensky and Au 3.2
-50 overlying a thin basal chromitite stringer, followed by an anorthosite
-100
-50
UG2 Reefs, in particular the higher Pt:Pd ratio associated with the
to norite footwall. Locally this is termed a ‘pyroxenite reef’. -100
Merensky Reef and the relative high proportion of rhodium in the 0
-100 -150
Occasionally a pegmatoidal pyroxenite and a second chromitite -150 UG2 Reef, as shown below.
stringer may be developed between the feldspathic pyroxenite and
-200 -200
-150
0 4 8 12 16
the0footwall units. 10This is termed a20‘pegmatoid reef’. 30 As an aid to 0 4 8 12 16
mining operations the Merensky
Grade (g/t) Reef is further defined as being Impala UG
Grade (g/t)
Impala Merensky 6E Grade
metal(g/t)
ratio as at 30 June
● Pyroxenite ● Pegmatoid ● Anorthosite/norite ● Chromitite ‘A’, ‘B’, ‘C’ or ‘H’ Reef where it rests on specific footwall units –
● Pyroxenite ● Pegmatoid ● Anorthosite/norite ● Chromitite as● Pyroxenite ● Pegmatoid
at 30 June 2020 (%) ● Anorthosite/norite ● Chromitite
locally called Footwall 1, 2 and 3, respectively.
Pt
4 The UG2 Reef is defined as a main chromitite layer, with most Pt 56.9
Impala – UG2 Pd
Impala – Merensky Pegmatoid – Reef of the PGM and base metal mineralisation
Pt Pdconfined
6E to this unit, ■ ■ ■
Pd 24.8
■
Pt ■
Pd ■
6E followed by a poorly mineralised pegmatoidal pyroxenite footwall. Rh
200 4.8
100 The hangingwall to the main chromitite layer is a feldspathic Rh
150 Ru
pyroxenite containing up to four thin, poorly mineralised chromitite Ru 8.0
50 100
layers. The vertical grade distribution is depicted in the Ir 3.9
)
reviews with the impact being more pronounced on the UG2 using the latest price forecast. The tail-cut areas that did not
estimates at Impala. survive the economic valuation of LoM I have been regressed to
LoM IIA. A combined graph of the attributable Mineral Resources
and Mineral Reserves are also included.
Impala 20-year estimated LoM platinum ounce profile
Impala
as at 3020-year estimated LoM platinum ounce profile as at 30 June 2020 (%)
June 2020
800
700
600
Pt Koz refined
500
400
300
200
100
0
2021
2040
Q LoM I QLoM IIA
Impala 20-year estimated LoM palladium ounce profile
as at 30 June 2020
VALU E - F O C U S E D S T R AT E G Y
350
300
250
Pd Koz refined
200
150
100
50
The Group’s
0
strategic review of 2018 identified the restructuring of loss-making
2021
2040
operations at Impala Rustenburg’s mining complex and repositioning to the lower half
Q LoM I QLoM IIA
of the cost curve as a strategic imperative. Gains in productivity, safety and efficiency
have resulted in an upward revision to the planned production profile at the operation.
Impala Mineral Reserve estimate
As at 30 June 2020
• Sustained operational and cost improvements at 12 and 14 shafts have seen these
Orebody Merensky UG2
shafts meet operating and cost thresholds and they now fully warrant continued
Category Proved Probable Total Proved Probable Total Total
operation
Tonnes Mt 8.2 46.2 54.4 13.7 49.5 63.1 117.5
Width cm 142 139 115 114
• 4ELife-of-mine
grade at 1 Shaft
g/t has been
3.47 extended
3.75 for three
3.71 years at
3.59 a production
3.48 rate
3.50 of 3.60
6E grade g/t 3.87 4.19 4.14 4.27 4.14 4.17 4.15
80koz 6E per annum
4E oz Moz 0.9 5.6 6.5 1.6 5.5 7.1 13.6
6E oz Moz 1.0 6.2 7.2 1.9 6.6 8.5 15.7
• Pt9ozShaft is scheduledMoz
to close in
0.6 H1 FY2021
3.5 4.1 0.9 3.2 4.1 8.2
Pd oz Moz 0.3 1.5 1.8 0.5 1.7 2.2 4.0
• Both growth shafts (16 and 20) are ramping up to deliver approximately 550koz 6E
IMPLATS
at full production in October 2022, slightly delayed due
MINERALto the AND
RESOURCE Covid-19
MINERAL RESERVEpandemic
STATEMENT 2020 57
The focus is on maintaining operational delivery:
• Effective cost management at high-cost shafts
• Addressing flexibility constraints at mature shafts
• Increasing face length at long-life shafts
• Ramping up growth shafts
5
SU S TA IN A B L E
H I STORY
D E V E L O P M E NT
Impala focuses on addressing social, Hans Merensky first discovered
economic and environmental issues that platinum in the Bushveld Igneous
are seen as having a material impact on Complex in 1924. Union Corporation
the long-term success of the business, bought the Impala Prospecting
the sustainability of the economy, the Company in the following year during
environment and the communities in which the first six boreholes were
which we operate or that are important drilled.
to key stakeholders. The pursuit of
sustainable development and zero harm The first vertical shaft was developed
are seen as competitive imperatives. in 1967 and Impala Platinum Limited
was created as a subsidiary of Union
Corporation on 26 April 1968.
BLA C K E C O N OM I C Initial production commenced on
E M P O W E R M E NT 22 July 1969 after a mining lease
over land predominantly held by the
A landmark agreement securing Impala’s then Bafokeng Tribe (now the Royal
access to mineral rights for a period Bafokeng Nation) was granted in 1968.
of 40 years was signed with the Royal
Initially, Impala mined the Merensky
Bafokeng Nation (RBN) in 1999. In terms
Reef and mining on the UG2 chromitite
of this agreement the RBN was entitled
layer only began in the early 1980s as
to royalties from the mined metals. A new
the technology to smelt higher chrome
agreement, finalised in 2007, resulted in
ore was developed.
the royalty being converted into equity,
making the RBN the largest shareholder By the early 1990s, 13 vertical shafts
in Implats with board representation. In were in operation and Impala was
terms of the agreement, Impala agreed producing in the region of one million
to pay RBN all royalties due to them platinum ounces per annum. Shaft
amounting to R12.5 billion. The RBN, sinking at the new generation shafts
through Royal Bafokeng Holdings Limited (16, 17 and 20) commenced in the
(RBH), used the R12.5 billion to subscribe mid-2000s.
for 75.1 million Implats shares giving them
a 13.2% share in the holding company.
During FY2016, the RBH sold 5% of these
shares, and subsequently in 2019 the
remaining shareholding. In 2015, 4% of
Impala shares were issued to employees
(ESOP transaction), leaving Implats with a
96% attributable interest in Impala.
6
I MPA LA – key statistics
FY2020 FY2019
Production
Tonnes milled ex mine* (000t) 9 635 11 211
% Merensky milled* (%) 45.6 43.1
Headgrade (6E)* (g/t) 3.91 3.99
6E refined production (000oz) 1 115 1 298
6E refined production
(000oz) 1 270 1 391
(stock-adjusted)
Labour efficiency
Tonnes milled per employee costed* (t/man/annum) 245 289
Cost
Mining cost of sales (Rm) (21 302) (20 045)
Mining operations (Rm) (12 414) (12 878)
Smelting and processing
(Rm) (2 165) (2 096)
operations
Refining operations/marketing (Rm) (934) (993)
Change in metal inventories (Rm) (508) (2 330)
Other (Rm) (5 281) (1 748)
(Rm) 16 753 17 045
Total cost
(US$m) 1 069 1 201
Unit costs (R/t) 1 739 1 520
per tonne milled (US$/t) 111 107
(R/oz) 13 190 12 256
per 6E ounce refined
(US$/oz) 842 864
per 6E ounce refined (R/oz) 15 021 13 130
(stock adjusted) (US$/oz) 958 925
Financial ratios
Gross margin ex mine (%) 29.5 6.9
EBITDA (Rm) 11 606 4 507
Capital expenditure
(Rm) 1 758 2 006
(US$m) 112 141
Safety
LTIFR (pmmhw+) 5.06 5.42
FIFR (pmmhw+) 0.053 0.049
Labour complement
Own employees (no) 28 754 28 258
Contractors (no) 10 621 11 265
* Average working cost employees including contractors
+ Per million man hours worked
7CONTACT DETAILS
HEAD OFFICE
2 Fricker Road, Illovo, 2196
Private Bag X18, Northlands, 2116
Tel: +27 (11) 731 9000
E-mail: investor@implats.co.za
www.implats.co.za
Group Executive: Corporate Affairs
Johan Theron
Tel: +27 (11) 731 9013
E-mail: johan.theron@implats.co.za
Executive: Corporate Affairs
Emma Townshend
Tel: +27 (21) 794 8345
E-mail: emma.townshend@implats.co.za
Group Head: Corporate
Communications
Alice Lourens
Tel: +27 (11) 731 9033
E-mail: alice.lourens@implats.co.za
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