A4QOR2019FINALIMAGE1.JPG
Notice to ASX/LSE
Rio Tinto releases fourth quarter production results

17 January 2020

Rio Tinto chief executive J-S Jacques said “We finished the year with good momentum, particularly in our Pilbara iron ore operations and in bauxite, despite having experienced some operational challenges in 2019. We are increasing our investment, with $2.25 billion of high-return projects in iron ore and copper approved in the fourth quarter. We also boosted our exploration and evaluation expenditure to $624 million in 2019, further strengthening our pipeline of opportunities.

“We have the platform and performance to maintain our delivery of superior returns to shareholders over the short, medium and long-term, driven by our strong value over volume approach and ongoing disciplined allocation of capital.”

 
 
Q4 2019
vs Q4 2018

vs Q3 2019

2019
vs 2018

Pilbara iron ore shipments (100% basis)
Mt
86.8
-1
 %
+1
 %
327.4
-3
 %
Pilbara iron ore production (100% basis)
Mt
83.6
-3
 %
-4
 %
326.7
-3
 %
Bauxite
Mt
15.1
+28
 %
+10
 %
55.1
+9
 %
Aluminium
kt
783
-4
 %
-1
 %
3,171
-2
 %
Mined copper
kt
138.7
-9
 %
-12
 %
577.4
-5
 %
Titanium dioxide slag
kt
286
-3
 %
-11
 %
1,206
+

IOC iron ore pellets and concentrate
Mt
2.6
-10
 %
-13
 %
10.5
+18
 %

Operational update
Pilbara iron ore shipments of 327 million tonnes (100% basis) were 3% lower than 2018, primarily impacted by weather and operational challenges in the first half of 2019 and our active decision to protect the quality of the Pilbara Blend. In addition to direct sales from Australia, we commenced trials of portside trading in October 2019.
On 27 November 2019, we announced a $749 million investment in the Greater Tom Price operations (Western Turner Syncline Phase 2) in the Pilbara region of Western Australia, to sustain production capacity.
Bauxite production of 55 million tonnes was 9% higher than 2018, underpinned by the successful ramp-up of the Amrun mine in Queensland, Australia. Third party shipments of 40 million tonnes were 21% higher than 2018.
Aluminium production of 3.2 million tonnes was 2% lower than 2018, primarily reflecting a preventive safety shutdown of one of the three pot-lines at ISAL in Iceland and earlier than planned pot relining at Kitimat in British Columbia, Canada in the second half.
On 23 October 2019, we announced a strategic review of our interest in the Tiwai Point aluminium smelter in New Zealand, to be completed in the first quarter of 2020.
On 3 December 2019, we announced the approval of a $1.5 billion investment at Kennecott in the US, phase two of the south wall pushback project, extending operations to 2032.
Mined copper production of 577 thousand tonnes was 5% lower than 2018, reflecting lower copper grades, partially offset by higher throughput. Lower copper grades at Kennecott impacted the fourth quarter in particular: this is expected to persist until we access higher grades from the end of 2020, resulting from phase one of the south wall pushback project.
Following the signing of renewable power agreements in Chile, Escondida has raised a provision related to the cancellation of existing coal contracts. We have recognised a charge of approximately $200 million against 2019 underlying EBITDA.

Page 1 of 1


At the Oyu Tolgoi underground project in Mongolia, we completed the primary production shaft (shaft 2) in October. Work continued on the mine design and, overall, we remain within the cost and schedule ranges as announced in July 2019. We continue to expect to complete the mine design in the first half of 2020 and the Definitive Estimate of cost and schedule in the second half of 2020.
Titanium dioxide slag production of 1.2 million tonnes was 8% higher than 2018, reflecting continued operational improvement and the restart of furnaces in line with market conditions. Fourth quarter production was impacted by the curtailment of operations at Richards Bay Minerals (RBM) in South Africa, following an escalation in violence in the surrounding communities. A phased restart commenced at the end of December.
Production of pellets and concentrate at the Iron Ore Company of Canada (IOC) was 18% higher than 2018, when strike action occurred. Fourth quarter production was 10% lower than the same quarter of 2018 due to unplanned equipment-related downtime.
On 18 November 2019, we announced that we would support Energy Resources of Australia Limited’s (ERA) plans for a renounceable entitlement offer to raise $324 million for the rehabilitation of the Ranger Project Area in Australia’s Northern Territory.
Exploration and evaluation spend in 2019 was $624 million, 28% higher than 2018, primarily reflecting increased activity at Resolution Copper in the US and on the Winu and Falcon advanced projects in Australia and Canada. We achieved a major permitting milestone at Resolution with the release of an independently prepared Draft Environmental Impact Statement in August 2019.
In 2019, we repurchased approximately $1.6 billion of Rio Tinto plc shares (28.4 million) on-market.

Average realised prices
 
 
2019
vs 2018

Pilbara iron ore
$/wmt, FOB
79.0
+

Aluminium
$/t (including VAP, mid-west premium)
2,132
-14
 %
Copper
US cents per lb
274.5
-7
 %


Page 2 of 27




2020 production guidance (Rio Tinto share, unless otherwise stated)
 
2019 actual
2020 guidance
Pilbara iron ore (shipments, 100% basis)
327.4 Mt
330 to 343 Mt
Bauxite
55.1Mt
55 to 58 Mt
Alumina
7.7 Mt
7.8 to 8.2 Mt
Aluminium
3.2 Mt
3.1 to 3.3 Mt
Mined copper
577 kt
530 to 570 kt
Refined copper
260 kt
205 to 235 kt
Diamonds
17 M carats
12 to 14 M carats
Titanium dioxide slag
1.2 Mt
1.2 to 1.4 Mt
IOC pellets and concentrate
10.5 Mt
10.5 to 12.0 Mt
Boric oxide equivalent
0.5 Mt
~0.5 Mt

Our guidance is framed by expectations of general stability in global GDP growth in 2020, tempered by negative risks, including geopolitical tensions and oil price volatility. In this environment, we will continue to monitor and adjust production levels and product mix to meet customer requirements in 2020, in line with our value over volume strategy.
Iron ore shipments and bauxite production guidance are subject to weather and market conditions.
Aluminium guidance reflects a continued focus on capacity creep, offset by earlier than planned pot relining at Kitimat.
Mined copper guidance reflects lower grades at Kennecott as mining transitions from the east to south wall. We expect to access higher, more consistent grade ore from late 2020.
Diamonds guidance reflects the expected closure of Argyle in the fourth quarter of 2020 and lower grades at Diavik.
Titanium dioxide slag guidance assumes return to normal operations at RBM in early 2020.


All figures in this report are unaudited. All currency figures in this report are US dollars, and comments refer to Rio Tinto’s share of production, unless otherwise stated. To allow production numbers to be compared on a like-for-like basis, production from asset divestments completed in 2018 is excluded from Rio Tinto share of production data.


Page 3 of 27



IRON ORE
Million tonnes
Q4 2019
vs Q4 2018

vs Q3 2019

2019
vs 2018

Rio Tinto share of production
 
 
 
 
 
Pilbara Blend and SP10 Lump1
19.9
-8
 %
-5
 %
80.8
-5
 %
Pilbara Blend and SP10 Fines1
30.3
-4
 %
-4
 %
119.3
-3
 %
Robe Valley Lump
1.6
+12
 %
-5
 %
5.1
-14
 %
Robe Valley Fines
2.8
+7
 %
-9
 %
9.2
-16
 %
Yandicoogina Fines (HIY)
14.2
-4
 %
-3
 %
56.3
-2
 %
Total Pilbara production
68.8
-5
 %
-5
 %
270.7
-4
 %
Total Pilbara production (100% basis)
83.6
-3
 %
-4
 %
326.7
-3
 %

Million tonnes
Q4 2019
vs Q4 2018

vs Q3 2019

2019
vs 2018

Rio Tinto share of shipments
 
 
 
 
 
Pilbara Blend Lump
16.2
-12
 %
+1
 %
65.9
-11
 %
Pilbara Blend Fines
31.2
-6
 %
+4
 %
120.2
-7
 %
Robe Valley Lump
1.2
+2
 %
-3
 %
4.0
-17
 %
Robe Valley Fines
3.3
+9
 %
-3
 %
10.5
-13
 %
Yandicoogina Fines (HIY)
15.3
+3
 %
+7
 %
57.1
-1
 %
SP10 Lump1
2.1
n/a

-23
 %
5.4
n/a

SP10 Fines1
2.1
+12
 %
-49
 %
9.4
+180
 %
Total Pilbara shipments
71.3
-2
 %
-1
 %
272.5
-3
 %
Total Pilbara shipments (100% basis)
86.8
-1
 %
+1
 %
327.4
-3
 %
Total Pilbara sales (Rio Tinto share)2
70.0
-4
 %
-2
 %
271.1
-3
 %
Total Pilbara sales (100% basis)2
85.5
-2
 %
0
 %
326.0
-4
 %
Total Pilbara sales (consolidated basis)2, 3
72.2
-3
 %
-2
 %
278.6
-3
 %
1 SP10 includes some lower grade products.
2 Differences between shipments and sales reflect tonnes held for portside trading and material purchased from IOC and sold.
3 While Rio Tinto has a 53% net beneficial interest in Robe River Iron Associates, it recognises 65% of the assets, liabilities, sales revenues and expenses in its accounts (as 30% is held through a 60% owned subsidiary and 35% is held through a 100% owned subsidiary). The consolidated basis sales reported here include Robe River Iron Associates on a 65% basis to enable comparison with revenue reported in the financial statements.

Pilbara operations
Pilbara operations produced 326.7 million tonnes (Rio Tinto share 270.7 million tonnes) in 2019, 3% lower than 2018. Fourth quarter production of 83.6 million tonnes (Rio Tinto share 68.8 million tonnes) was 3% lower than the same quarter of 2018 and 4% lower than the previous quarter due to normal maintenance cycles and mine sequencing. Overall material moved in 2019 was the highest on record. Our increased focus on waste material movement and pit development will continue in 2020 to improve mine performance and pit sequencing.

2019 shipments of 327.4 million tonnes (Rio Tinto share 272.5 million tonnes) were 3% lower than 2018. In the first half of 2019, shipments were impacted by significant weather disruptions, a fire at the Cape Lambert A port facility and operational challenges. Fourth quarter shipments of 86.8 million tonnes (Rio Tinto share 71.3 million tonnes) were 1% below the same quarter of 2018.

Performance in the second half of 2019 was strong, with both production and shipments exceeding the same period in 2018 despite the extended rail maintenance shut limiting rail capacity for 12 days. In October 2019 we commenced trials of portside trading. The operation maintains some inventory at Chinese ports and can also handle material from third

Page 4 of 27


parties and from IOC. Reported Pilbara sales in the table above therefore reflect the timing differences that may occur between shipments from the Pilbara and sales to external customers.

We price the majority of our iron ore sales (76%) by reference to the average index price for the month of shipment. In 2019, we priced approximately 16% of sales by reference to the prior quarter’s average index lagged by one month, with the remainder sold either on current quarter average, current month average or on the spot market.

In 2019, approximately 22% of sales were made on a cost and freight (CFR) basis, 46% were made on a cost, freight and insurance (CIF) basis and 32% were made on a free on board (FOB) basis.

In 2019, we achieved an average iron ore price of $79.0 per wet metric tonne on an FOB basis (equivalent to $85.9 per dry metric tonne, based on an average moisture rate of 8%). In 2018, average pricing was $57.8 per wet metric tonne (equivalent to $62.8 per dry metric tonne).

Pilbara projects
The Koodaideri iron ore mine is continuing to progress, with key construction activities on schedule. We commenced work on the major structural foundations in the fourth quarter and expect first ore in late 2021, consistent with previous guidance.

First ore from the Robe River Joint Venture sustaining production projects (West Angelas C&D and Mesa B, C and H at Robe Valley) is expected in 2021, consistent with previous guidance. All major environmental approvals have been received with the exception of the Mesa H approval. Procurement and construction activities are progressing, with concrete pouring commencing at West Angelas and Robe Valley civil contractors mobilising to site.

On 27 November 2019, we announced the approval of a $749 million (A$1 billion) investment in the Greater Tom Price operations to help sustain production capacity. This investment in the Western Turner Syncline Phase 2 mine will facilitate mining of existing and new deposits and includes construction of a new crusher as well as a 13-kilometre conveyor. Pending final government approvals, construction will start in the first quarter of 2020 with first ore from the crusher expected in 2021.

Page 5 of 27



ALUMINIUM

Rio Tinto share of production (‘000 tonnes)
 
Q4 2019
vs Q4 2018

vs Q3 2019

2019
vs 2018

Bauxite
15,137
+28
 %
+10
 %
55,105
+9
 %
Bauxite third party shipments
10,968
+48
 %
+6
 %
39,648
+21
 %
Alumina
2,032
+1
 %
+11
 %
7,744
-3
 %
Aluminium
783
-4
 %
-1
 %
3,171
-2
 %

Bauxite
Bauxite production of 55.1 million tonnes was 9% higher than 2018. In Australia, production at the Pacific managed mines was 11% above prior year underpinned by the successful ramp-up of Amrun, which achieved its design capacity rates in the fourth quarter of 2019, replacing the depleting Weipa mines. Production at the non-managed JVs (CBG in Guinea and MRN in Brazil) was 1% higher than 2018, but was constrained by a slower than planned ramp-up of the expansion project at CBG.

Fourth quarter bauxite production was 28% higher than the same period of 2018. Production at the Pacific managed mines was 34% higher than the same period last year, partly offset by lower production at non-managed JVs (CBG and MRN).

Third party bauxite shipments were 39.6 million tonnes in 2019, which was 21% higher than 2018 reflecting increased volumes from Amrun. Fourth quarter shipments were 48% higher than the same period in 2018.

Alumina
Alumina production of 7.7 million tonnes was 3% lower than 2018, primarily due to major maintenance activities at the Pacific refineries including a planned five-year maintenance shutdown to service the cogeneration plant at Yarwun.

Fourth quarter alumina production was 1% higher than the same period of 2018. Our share of production from the Pacific refineries was 17% higher than the third quarter, ramping up after completion of major maintenance activities. Yarwun achieved a production record for the fourth quarter.

Aluminium
Aluminium production of 3.2 million tonnes in 2019 was 2% lower than 2018, primarily due to lower volumes from ISAL from a pot-line outage in the third quarter and at Kitimat, due to earlier than planned pot-lining replacement. Excluding the non-managed Becancour operation where a lock-out constrained operations, the Quebec and Pacific smelters performed well, with aluminium production for 2019 1% higher than 2018, reflecting continued productivity improvement. The restart of Becancour is progressing well, with full ramp-up expected by mid-2020.
 
Fourth quarter aluminium production of 0.8 million tonnes was 4% lower than the same period of 2018. Production at the Quebec and Pacific smelters for the fourth quarter was 1% higher than the same period last year. Following the preventive pot-line shutdown, the ISAL smelter was ramped back up and maintained at about 85% of capacity, optimised for value over volume. Production at the Kitimat smelter continues to be impacted by earlier than planned pot-lining replacement, with actions underway to minimise production impacts. The estimated impact on 2020 production is reflected in our guidance.

The aluminium industry continues to face challenging conditions in global markets and policy uncertainty, reflected in low industry profitability. We continue to actively work on enhancing the competitiveness of our smelters, including discussions with stakeholders on energy pricing, to ensure the sustainability and global competitiveness of our Pacific smelters.


Page 6 of 27



On 23 October 2019, we announced a strategic review of our interest in the Tiwai Point aluminium smelter in New Zealand, to determine the operation’s ongoing viability and competitive position. The strategic review will consider all options, including curtailment and closure and is expected be complete in the first quarter of 2020.

Average realised aluminium prices were $2,132 per tonne (2018: $2,470 per tonne). This includes premiums for value-added products (VAP), which represented 51% of primary metal sold (2018: 54%, excluding the divested Dunkerque smelter) and generated attractive product premiums averaging $234 per tonne of VAP sold (2018: $227 per tonne) on top of the physical market premiums. The mid-west premium decreased from $419 per tonne in 2018 to $320 per tonne in 2019. A 10% tariff on Canadian aluminium imports into the United States under Section 232 was paid until the tariff was removed on 19 May 2019.

Kemano
At the Kemano hydropower facility at Kitimat, British Columbia, tunnel boring continues to progress with 2,731 metres excavated at the end of 2019. Tunnel boring machine productivity has been lower than expected with completion now expected in 2021 (previously late 2020).

Page 7 of 27



COPPER & DIAMONDS

Rio Tinto share of production (‘000 tonnes)
 
Q4 2019
vs Q4 2018

vs Q3 2019

2019
vs 2018

Mined copper
 
 
 
 
 
Rio Tinto Kennecott
35.4
-39
 %
-39
 %
186.8
-8
 %
Escondida
92.3
+16
 %
+2
 %
341.6
-3
 %
Oyu Tolgoi
11.0
-21
 %
+16
 %
49.1
-8
 %
 
 
 
 
 
 
Refined copper
 
 
 
 
 
Rio Tinto Kennecott
51.4
-20
 %
+27
 %
184.6
-5
 %
Escondida
20.5
-5
 %
+22
 %
75.0
-6
 %
Diamonds (‘000 carats)
 
 
 
 
 
Argyle
3,363
+5
 %
-5
 %
12,999
-8
 %
Diavik
840
-22
 %
-15
 %
4,031
-8
 %

Rio Tinto Kennecott
Mined copper production was 8% lower than 2018, primarily due to increased grade variability, with grades on average 11% lower. This grade impact was partially offset by a 4% year on year improvement in ore processed. Copper grades of 0.35% achieved in the final quarter of 2019 compare to 0.59% in the same quarter of 2018. Grades will continue to be lower through 2020 before increasing from the first quarter of 2021, with the transition from east wall to south wall mining.

Refined copper production was 5% lower than 2018, reflecting reduced copper concentrate availability, a planned smelter shutdown in July and additional unplanned maintenance impacting furnace online time.

We continue to toll and purchase third party concentrate to optimise smelter utilisation, with 92 thousand tonnes of concentrate received for processing in 2019, compared with 100 thousand tonnes in 2018. Purchased and tolled copper concentrate are excluded from reported production figures.

A 45-day maintenance shut is planned at the smelter during the second quarter of 2020. This is a standard rebuild, which is undertaken approximately every three years.

Molybdenum production more than doubled in 2019 (from 5.8kt to 11.2kt), as a result of both higher grades and plant capacity and productivity improvements.

On 3 December 2019, we announced the approval of a $1.5 billion investment at Rio Tinto Kennecott, extending operations to 2032. The investment will further extend strip waste rock mining and support additional infrastructure development in the second phase of the south wall pushback project, to allow mining to continue into a new area of the ore body between 2026 and 2032.

Escondida
Copper production at Escondida was 3% lower than 2018, mainly due to grade declines, which were 8% lower than last year, partly offset by higher throughput. Fourth quarter production was 16% higher than the same quarter of 2018 due to higher throughput, offsetting production losses from stoppages associated with the social unrest in Chile.

Following the signing of renewable power agreements, Escondida has raised a provision related to the cancellation of existing coal contracts. We have recognised a charge of approximately $200 million against 2019 underlying EBITDA.

Page 8 of 27



Oyu Tolgoi
As anticipated, mined copper production from the open pit was 8% lower than 2018 as mining activity moved to lower grade areas. Grades were 11% lower for the year and especially reflected in the 21% decline in fourth quarter production, partly offset by productivity improvements.

Oyu Tolgoi Underground Project
During the fourth quarter, we took the decision to remove two of the three mid-access drives. We will retain one mid-access drive on the apex level of the mine design of Panel 0. The removal of these mid-access drives has an unfavourable impact on schedule, however, overall, the underground project remains within the range announced in July 2019 of a 16 to 30 month1 delay in schedule and an increase of $1.2 to $1.9 billion1 in development capital costs.

We continue the detailed work on mine design, which we still expect to complete in the first half of the year, with a Definitive Estimate in the second half of 2020, as previously disclosed. This will include the estimate of development capital costs and schedule for the underground project based on the updated design of Panel 0.

Decisions on other key underground design elements such as the location of the ore handling system and options for panel sequencing will be taken in the first half of 2020. These will take into consideration the consequential impacts on cost, schedule and other key variables such as Ore Reserves, project ramp-up profile and peak production, together with improvements in productivity.

These productivity improvements resulted in increased underground lateral development during the fourth quarter, to an average monthly rate of 1,607 equivalent metres (eqm) compared to 1,214 eqm in the third quarter.

Completion of shaft 2, a key milestone, occurred in October 2019. Construction is progressing on shafts 3 and 4 to enable commencement of main sinking operations for both shafts during the first half of 2020.

Resolution Copper
Deepening of the existing shaft 9 continues, as well as work on the underground characterisation study to increase ore body knowledge.

Permitting and studies are progressing well, following the release of the independently prepared Draft Environmental Impact Statement for the project in August 2019. A plan is in place with the US Forest Service to address comments received on the study to maintain schedule on the Final Environmental Impact Study in 2020.

In April 2019, we approved $302 million ($166 million our share) of additional expenditure for Resolution, to fund additional drilling, ore-body studies, infrastructure improvements and permitting activities, as we progress the project to the final stage of the permitting phase.

Provisional pricing
At 31 December 2019, the Group had an estimated 220 million pounds of copper sales that were provisionally priced at 271 cents per pound. The final price of these sales will be determined during the first half of 2020. This compares with 240 million pounds of open shipments at 31 December 2018, provisionally priced at 277 cents per pound.

Diamonds
At Argyle, carat production was 8% lower than 2018 due to lower recovered grade, partially offset by stronger mining and processing rates.

At Diavik, carats recovered in 2019 were 8% lower than 2018 due to lower ore availability and grade from the underground operations, partly offset by higher tonnes and grade from the A21 open pit.
1 As described above, the level of accuracy of these estimates is preliminary in nature and subject to a range of variables, in line with previous guidance. The confidence level of these estimates is at a level associated with a Conceptual or Order of Magnitude Study, and further work is required between now and the second half of 2020 to refine the mine design options and study them to a level of confidence and accuracy associated with Feasibility Study quality estimates.

Page 9 of 27



ENERGY & MINERALS

Rio Tinto share of production
 
Q4 2019
vs Q4 2018

vs Q3 2019

2019
vs 2018

Iron ore pellets and concentrate (million tonnes)
 
 
 
 
 
IOC
2.6
-10
 %
-13
 %
10.5
+18
 %
 
 
 
 
 
 
Minerals (‘000 tonnes)
 
 
 
 
 
Borates – B2O3 content
128
+8
 %
-7
 %
520
+2
 %
Titanium dioxide slag
286
-3
 %
-11
 %
1,206
+

 
 
 
 
 
 
Uranium (‘000 lbs)
 
 
 
 
 
Energy Resources of Australia
642
-31
 %
+10
 %
2,640
-12
 %
Rössing
-
-

-

2,114
-


Iron Ore Company of Canada (IOC)
Iron ore pellets and concentrate production available for sale at IOC was 18% higher than 2018 when operations were impacted by a two-month strike. It was 10% lower than the fourth quarter of 2018, attributable to unplanned equipment-related downtime.

Borates
Borates production was in line with 2018 and aligned with market conditions. We will base any decision to increase refinery utilisation rates to match market demand.

Iron and Titanium
Titanium dioxide feedstock production was 8% higher than 2018, reflecting improved operational performance and the restart of furnaces.

Fourth quarter production was impacted by the curtailment of operations at Richards Bay Minerals (RBM) in South Africa. Operations were impacted in mid-November, following an escalation in violence in the communities surrounding the operations, and a full curtailment commenced at the beginning of December. A phased restart commenced at the end of December. While RBM continues to monitor the security situation closely, a return to full operations and resumption of normalised production is expected in early 2020.

All nine furnaces at Rio Tinto Fer et Titane (RTFT) are currently in operation, with three of four furnaces in operation at RBM. This compares with six out of nine furnaces in operation at RTFT and three out of four at RBM in the fourth quarter of 2018. We will base our decision to re-start the remaining idled furnace to match market demand.

Zulti South project
Construction of the $463 million Zulti South project at RBM remains on hold post a suspension of operations following a number of security incidents that impacted operations. We will review the restart of the Zulti South project after normalisation of operations at RBM.

Uranium
Energy Resources of Australia (ERA) continues to process existing stockpiles. Production was 12% lower than 2018, reflecting lower grades.

On 18 November 2019, we announced that we would support ERA’s plans for a renounceable entitlement offer to raise $324 million for the rehabilitation of the Ranger Project Area in Australia’s Northern Territory.

Page 10 of 27



As announced by the Takeovers Panel on 12 December 2019, we have applied to the Takeovers Panel for a review of its decision of 11 December 2019, relating to ERA’s renounceable entitlement offer. We remain committed to fully subscribe for our entitlement and to underwrite the entitlement offer in the absence of any other commercially viable solution being available to ERA for the rehabilitation of the Ranger Project Area.

Production from Rössing Uranium is reported up to the date of completion of divestment on 16 July 2019.

EXPLORATION AND EVALUATION

Pre-tax and pre-divestment expenditure on exploration and evaluation charged to the profit and loss account in 2019 was $624 million, compared with $488 million in 2018, with increased spend at Resolution Copper in the US and on the Winu and Falcon Order of Magnitude studies in Australia and Canada. Approximately 52% of this expenditure was incurred by central exploration, 33% by Copper & Diamonds, 9% by Energy & Minerals and the remainder by Iron Ore and Aluminium.

There were no significant divestments of central exploration properties in 2019.

Exploration highlights
We have a strong portfolio of projects with activity in 17 countries across some seven commodities. The bulk of the exploration expenditure in this quarter was focused on copper in Australia, Brazil, Canada, Chile, Colombia, Kazakhstan, Mongolia, Peru, Serbia, United States, Zambia and diamonds projects in Canada. Mine-lease exploration continued at a number of our managed businesses including Pilbara Iron in Australia, Oyu Tolgoi in Mongolia, Diavik in Canada, and Resolution and Boron in the US. A summary of activity for the quarter is as follows:
Commodities
Studies Stage
Advanced
projects
Greenfield/Brownfield
programmes
Bauxite
Cape York, Australia
Amargosa, Brazil*; Sanxai, Laos*
Cape York, Australia
Base Metals
Copper/molybdenum: Resolution, US; Winu, Australia
La Granja, Peru
Nickel: Tamarack, US (third party operated)
Copper Greenfield: Australia, Brazil, Canada, Chile, China, Colombia, Kazakhstan, Mongolia, Peru, Serbia, US, Zambia
Copper Brownfield: Resolution, US; Bingham, US; Oyu Tolgoi, Mongolia
Nickel Greenfield: Canada, Uganda, Finland
Diamonds
Falcon, Canada
 
Greenfield: Canada
Brownfield: Diavik, Canada
Minerals
Lithium borates: Jadar, Serbia
Heavy mineral sands: Mutamba, Mozambique (third party operated)
 
Heavy mineral sands: Tanzania
Industrial Minerals: Serbia
Industrial minerals brownfield: Boron
Iron Ore
Pilbara, Australia
Pilbara, Australia
Brownfield: Pilbara, Australia

* Limited activity during the quarter

Page 11 of 27



Forward-looking statements

This announcement may include "forward-looking statements" within the meaning of the US Private Securities Litigation Reform Act of 1995. All statements other than statements of historical facts included in this announcement, including, without limitation, those regarding Rio Tinto’s production forecast or guidance, financial position, business strategy, plans and objectives of management for future operations (including development plans and objectives relating to Rio Tinto’s products and reserve and resource positions), are forward-looking statements. The words “intend”, “aim”, “project”, “anticipate”, “estimate”, “plan”, “believes”, “expects”, “may”, “should”, “will”, “target”, “set to”, “assumes” or similar expressions, commonly identify such forward looking statements.

Such forward-looking statements involve known and unknown risks, uncertainties and other factors which may cause the actual production, performance or results of Rio Tinto to be materially different from any future production, performance or results expressed or implied by such forward-looking statements. Such forward-looking statements could be influenced by such risk factors as identified in Rio Tinto's most recent Annual Report and Accounts in Australia and the United Kingdom and the most recent Annual Report on Form 20-F filed with the United States Securities and Exchange Commission (the "SEC") or Form 6-Ks furnished to, or filed with, the SEC. Forward-looking statements should, therefore, be construed in light of such risk factors and undue reliance should not be placed on forward-looking statements. These forward-looking statements speak only as of the date of this announcement. Rio Tinto expressly disclaims any obligation or undertaking (except as required by applicable law, the UK Listing Rules, the Disclosure and Transparency Rules of the Financial Conduct Authority and the Listing Rules of the Australian Securities Exchange) to release publicly any updates or revisions to any forward-looking statement contained herein to reflect any change in Rio Tinto’s expectations with regard thereto or any change in events, conditions or circumstances on which any such statement is based.

Nothing in this announcement should be interpreted to mean that future earnings per share of Rio Tinto plc or Rio Tinto Limited will necessarily match or exceed its historical published earnings per share.

Page 12 of 27


Contacts

media.enquiries@riotinto.com
riotinto.com

Follow @RioTinto on Twitter

Media Relations, United Kingdom
Illtud Harri
M +44 7920 503 600

David Outhwaite
T +44 20 7781 1623
M +44 7787 597 493

Media Relations, Americas
Matthew Klar
T +1 514 608 4429

Media Relations, Asia
Grant Donald
T +65 6679 9290
M +65 9722 6028

Media Relations, Australia
Jonathan Rose
T +61 3 9283 3088
M +61 447 028 913

Matt Chambers
T +61 3 9283 3087
M +61 433 525 739

Jesse Riseborough
T +61 8 6211 6013
M +61 436 653 412

Investor Relations, United Kingdom
Menno Sanderse
T +44 20 7781 1517
M +44 7825 195 178

David Ovington
T +44 20 7781 2051
M +44 7920 010 978


Investor Relations, Australia
Natalie Worley
T +61 3 9283 3063
M +61 409 210 462

Amar Jambaa
T +61 3 9283 3627
M +61 472 865 948

Group Company Secretary
Steve Allen
Rio Tinto plc
6 St James’s Square
London SW1Y 4AD
United Kingdom
T +44 20 7781 2000
Registered in England
No. 719885

Joint Company Secretary
Tim Paine
Rio Tinto Limited
Level 7, 360 Collins Street
Melbourne 3000
Australia
T +61 3 9283 3333
Registered in Australia
ABN 96 004 458 404

This announcement is authorised for release to the market by Rio Tinto’s Group Company Secretary.

LEI: 213800YOEO5OQ72G2R82
Classification: 3.1 Additional regulated information required to be disclosed under the laws of a Member State

Page 13 of 27



Rio Tinto production summary
 
 
 
 
 
 
 
 
 
 
 
 
Rio Tinto share of production
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Quarter
 
Full Year
 
% Change
 
 
2018
Q4
2019
Q3
2019
Q4
 
2018
2019
 
Q4 19
vs
Q4 18
Q4 19
vs
Q3 19
2019
vs
2018
Principal Commodities
 
 
 
 
 
 
 
 
 
 
Alumina
('000 t)
2,020
1,826
2,032
 
7,980
7,744
 
1
 %
11
 %
-3
 %
Aluminium
('000 t)
817
789
783
 
3,231
3,171
 
-4
 %
-1
 %
-2
 %
Bauxite
('000 t)
11,790
13,796
15,137
 
50,421
55,105
 
28
 %
10
 %
9
 %
Borates
('000 t)
118
138
128
 
512
520
 
8
 %
-7
 %
2
 %
Copper - mined
('000 t)
151.9
157.9
138.7
 
607.6
577.4
 
-9
 %
-12
 %
-5
 %
Copper - refined
('000 t)
86.1
57.1
71.9
 
274.8
259.6
 
-17
 %
26
 %
-6
 %
Diamonds
('000 cts)
4,290
4,551
4,203
 
18,427
17,030
 
-2
 %
-8
 %
-8
 %
Iron Ore
('000 t)
75,018
75,117
71,352
 
290,800
281,192
 
-5
 %
-5
 %
-3
 %
Titanium dioxide slag
('000 t)
294
321
286
 
1,116
1,206
 
-3
 %
-11
 %
8
 %
Uranium
('000 lbs)
1,904
755
642
 
6,764
4,754
 
-66
 %
-15
 %
-30
 %
Other Metals & Minerals
 
 
 
 
 
 
 
 
 
 
Gold - mined
('000 oz)
118.4
87.8
75.0
 
372.1
389.7
 
-37
 %
-15
 %
5
 %
Gold - refined
('000 oz)
58.6
60.8
63.3
 
198.0
218.7
 
8
 %
4
 %
10
 %
Molybdenum
('000 t)
2.2
2.1
4.7
 
5.8
11.2
 
110
 %
119
 %
95
 %
Salt
('000 t)
1,496
1,392
1,450
 
6,153
5,422
 
-3
 %
4
 %
-12
 %
Silver - mined
('000 oz)
1,586
1,320
1,209
 
5,656
5,412
 
-24
 %
-8
 %
-4
 %
Silver - refined
('000 oz)
807
664
839
 
2,865
2,853
 
4
 %
26
 %
0
 %
 
 
 
 
 
 
 
 
 
 
 
 
Throughout this report, figures in italics indicate adjustments made since the figure was previously quoted on the equivalent page or reported for the first time. Production figures are sometimes more precise than the rounded numbers shown, hence small differences may result between the total of the quarter figures and the year to date figures.

Page 14 of 27



Rio Tinto share of production
 
 
 
 
 
 
 
 
 
 
Rio Tinto
interest

Q4
2018
Q1
2019
Q2
2019
Q3
2019
Q4
2019
Full Year
2018
Full Year
2019
 
 
 
 
 
 
 
 
 
ALUMINA
 
 
 
 
 
 
 
 
Production ('000 tonnes)
 
 
 
 
 
 
 
 
Jonquière (Vaudreuil)
100
%
354
373
336
360
345
1,444
1,413
Jonquière (Vaudreuil) specialty Alumina plant
100
%
29
25
31
28
24
124
109
Queensland Alumina
80
%
742
711
668
669
716
2,958
2,763
São Luis (Alumar)
10
%
92
86
86
99
97
351
368
Yarwun
100
%
803
813
757
671
850
3,103
3,091
Rio Tinto total alumina production
 
2,020
2,008
1,878
1,826
2,032
7,980
7,744
 
 
 
 
 
 
 
 
 
ALUMINIUM
 
 
 
 
 
 
 
 
Production ('000 tonnes)
 
 
 
 
 
 
 
 
Australia - Bell Bay
100
%
48
45
47
48
48
189
189
Australia - Boyne Island
59
%
74
73
75
75
74
295
296
Australia - Tomago
52
%
77
74
76
77
76
305
303
Canada - six wholly owned
100
%
408
400
400
399
383
1,616
1,582
Canada - Alouette (Sept-Îles)
40
%
58
58
60
61
62
234
241
Canada - Bécancour
25
%
8
4
4
4
7
34
19
Iceland - ISAL (Reykjavik)
100
%
54
52
52
36
43
212
184
New Zealand - Tiwai Point
79
%
70
71
69
70
69
270
279
Oman - Sohar
20
%
20
19
19
20
20
76
78
Rio Tinto total aluminium production
 
817
796
803
789
783
3,231
3,171
 
 
 
 
 
 
 
 
 
 
BAUXITE
 
 
 
 
 
 
 
 
Production ('000 tonnes) (a)
 
 
 
 
 
 
 
 
Gove
100
%
3,250
3,004
2,957
2,968
3,273
12,540
12,201
Porto Trombetas
12
%
489
285
287
385
371
1,576
1,327
Sangaredi
(b)

1,204
1,558
1,630
1,749
1,227
5,868
6,165
Weipa
100
%
6,847
7,917
8,533
8,695
10,267
30,437
35,411
Rio Tinto total bauxite production
11,790
12,763
13,407
13,796
15,137
50,421
55,105
(a) Mine production figures for metals refer to the total quantity of metal produced in concentrates, leach liquor or doré bullion irrespective of whether these products are then refined onsite, except for the data for bauxite and iron ore which represent production of marketable quantities of ore plus concentrates and pellets.
(b) Rio Tinto has a 22.95% shareholding in the Sangaredi mine but benefits from 45.0% of production.

Page 15 of 27



Rio Tinto share of production
 
 
 
 
 
 
 
 
 
 
Rio Tinto
interest

Q4
2018
Q1
2019
Q2
2019
Q3
2019
Q4
2019
Full Year
2018
Full Year
2019
 
 
 
 
 
 
 
 
 
BORATES
 
 
 
 
 
 
 
 
Production ('000 tonnes B2O3 content)
 
 
 
 
 
 
 
 
Rio Tinto Borates - borates
100
%
118
115
138
138
128
512
520
 
 
 
 
 
 
 
 
 
COPPER
 
 
 
 
 
 
 
 
Mine production ('000 tonnes) (a)
 
 
 
 
 
 
 
 
Bingham Canyon
100
%
58.3
52.5
41.1
57.8
35.4
203.9
186.8
Escondida
30
%
79.7
76.0
82.7
90.5
92.3
350.4
341.6
Oyu Tolgoi (b)
34
%
13.9
15.4
13.1
9.5
11.0
53.3
49.1
Rio Tinto total mine production
 
151.9
143.9
136.9
157.9
138.7
607.6
577.4
Refined production ('000 tonnes)
 
 
 
 
 
 
 
Escondida
30
%
21.6
18.7
19.0
16.8
20.5
80.0
75.0
Rio Tinto Kennecott
100
%
64.6
29.6
63.3
40.3
51.4
194.7
184.6
Rio Tinto total refined production
86.1
48.3
82.3
57.1
71.9
274.8
259.6
(a) Mine production figures for metals refer to the total quantity of metal produced in concentrates, leach liquor or doré bullion irrespective of whether these products are then refined onsite, except for the data for bauxite and iron ore which represent production of marketable quantities of ore plus concentrates and pellets.
(b) Rio Tinto owns a 33.52% indirect interest in Oyu Tolgoi through its 50.79% interest in Turquoise Hill Resources Ltd.
 
 
 
 
 
 
 
 
 
DIAMONDS
 
 
 
 
 
 
 
 
Production ('000 carats)
 
 
 
 
 
 
 
 
Argyle
100
%
3,211
2,786
3,292
3,558
3,363
14,069
12,999
Diavik
60
%
1,078
1,010
1,188
994
840
4,358
4,031
Rio Tinto total diamond production
 
4,290
3,796
4,481
4,551
4,203
18,427
17,030
 
 
 
 
 
 
 
 
 
GOLD
 
 
 
 
 
 
 
 
Mine production ('000 ounces) (a)
 
 
 
 
 
 
 
 
Bingham Canyon
100
%
57.1
53.0
65.1
64.6
52.0
196.7
234.7
Escondida
30
%
22.1
22.2
22.4
14.6
14.8
79.7
74.0
Oyu Tolgoi (b)
34
%
39.1
40.2
24.1
8.6
8.2
95.7
81.1
Rio Tinto total mine production
 
118.4
115.4
111.6
87.8
75.0
372.1
389.7
Refined production ('000 ounces)
 
 
 
 
 
 
 
Rio Tinto Kennecott
100
%
58.6
41.7
52.9
60.8
63.3
198.0
218.7
(a) Mine production figures for metals refer to the total quantity of metal produced in concentrates, leach liquor or doré bullion irrespective of whether these products are then refined onsite, except for the data for bauxite and iron ore which represent production of marketable quantities of ore plus concentrates and pellets.
(b) Rio Tinto owns a 33.52% indirect interest in Oyu Tolgoi through its 50.79% interest in Turquoise Hill Resources Ltd.

Page 16 of 27



Rio Tinto share of production
 
 
 
 
 
 
 
 
 
 
Rio Tinto
interest

Q4
2018
Q1
2019
Q2
2019
Q3
2019
Q4
2019
Full Year
2018
Full Year
2019
 
 
 
 
 
 
 
 
 
IRON ORE
 
 
 
 
 
 
 
 
Production ('000 tonnes) (a)
 
 
 
 
 
 
 
Hamersley mines
(b)

56,364
51,218
50,087
55,567
52,521
220,612
209,392
Hamersley - Channar
60
%
1,337
931
1,451
947
1,452
4,304
4,782
Hope Downs
50
%
5,845
5,957
6,051
6,077
6,047
22,684
24,132
Iron Ore Company of Canada
59
%
2,836
2,481
2,532
2,960
2,564
8,952
10,536
Robe River - Pannawonica (Mesas J and A)
53
%
4,004
1,870
3,329
4,725
4,360
16,932
14,284
Robe River - West Angelas
53
%
4,631
4,125
4,692
4,840
4,409
17,316
18,066
Rio Tinto iron ore production ('000 tonnes)
 
75,018
66,581
68,141
75,117
71,352
290,800
281,192
Breakdown of Production:
 
 
 
 
 
 
 
 
Pilbara Blend and SP10 Lump (c)
 
21,674
19,978
19,842
21,015
19,930
84,843
80,766
Pilbara Blend and SP10 Fines (c)
 
31,652
28,779
28,463
31,713
30,304
122,582
119,260
Robe Valley Lump
 
1,409
635
1,201
1,650
1,574
5,897
5,060
Robe Valley Fines
 
2,595
1,235
2,128
3,075
2,786
11,035
9,224
Yandicoogina Fines (HIY)
 
14,852
13,473
13,975
14,704
14,194
57,491
56,346
Pilbara iron ore production ('000 tonnes)
 
72,182
64,101
65,610
72,156
68,788
281,848
270,655
IOC Concentrate
 
1,433
890
1,193
1,400
1,146
3,934
4,629
IOC Pellets
 
1,403
1,590
1,339
1,560
1,418
5,018
5,908
IOC iron ore production ('000 tonnes)
 
2,836
2,481
2,532
2,960
2,564
8,952
10,536
Breakdown of Shipments:
 
 
 
 
 
 
 
 
Pilbara Blend Lump (d)
 
18,439
15,772
18,009
15,948
16,176
73,892
65,906
Pilbara Blend Fines (d)
 
33,342
26,864
32,165
30,032
31,182
129,177
120,243
Robe Valley Lump
 
1,219
457
1,037
1,290
1,246
4,881
4,030
Robe Valley Fines
 
2,996
1,308
2,577
3,349
3,259
12,085
10,493
Yandicoogina Fines (HIY)
 
14,831
12,294
15,212
14,286
15,260
57,380
57,052
SP10 Lump (c)
 
0
0
635
2,685
2,072
0
5,391
SP10 Fines (c)
 
1,863
1,542
1,747
4,057
2,081
3,364
9,427
Pilbara iron ore shipments ('000 tonnes)
 
72,690
58,236
71,382
71,646
71,277
280,778
272,540
IOC Iron ore shipments ('000 tonnes)
 
3,073
2,092
2,738
2,654
2,636
8,837
10,120
Rio Tinto iron ore shipments ('000 tonnes)
75,763
60,328
74,119
74,300
73,913
289,614
282,660
Breakdown of Sales:
 
 
 
 
 
 
 
 
Pilbara Blend Lump (d)
 
18,439
15,772
18,009
15,948
16,176
73,892
65,906
Pilbara Blend Fines (d)
 
33,342
26,864
32,165
30,032
31,182
129,177
120,243
Robe Valley Lump
 
1,219
457
1,037
1,290
1,246
4,881
4,030
Robe Valley Fines
 
2,996
1,308
2,577
3,349
3,259
12,085
10,493
Yandicoogina Fines (HIY)
 
14,831
12,294
15,212
14,286
15,260
57,380
57,052
SP10 Lump (c)
 
0
0
635
2,611
1,733
0
4,979
SP10 Fines (c)
 
1,863
1,542
1,747
3,962
1,185
3,364
8,437
Pilbara iron ore sales ('000 tonnes) (e)
 
72,690
58,236
71,382
71,478
70,043
280,778
271,139
Pilbara iron ore sales - consolidated basis ('000 tonnes) (e) (f)
74,711
59,541
73,230
73,619
72,166
288,610
278,557
IOC Concentrate
 
1,558
516
1,315
1,425
1,223
3,887
4,479
IOC Pellets
 
1,516
1,576
1,423
1,229
1,413
4,950
5,641
IOC Iron ore sales ('000 tonnes)
 
3,073
2,092
2,738
2,654
2,636
8,837
10,120
(a) Mine production figures for metals refer to the total quantity of metal produced in concentrates, leach liquor or doré bullion irrespective of whether these products are then refined onsite, except for the data for bauxite and iron ore which represent production of marketable quantities of ore plus concentrates and pellets.

Page 17 of 27


(b) Includes 100% of production from Paraburdoo, Mt Tom Price, Marandoo, Yandicoogina, Brockman, Nammuldi, Silvergrass and the Eastern Range mines. Whilst Rio Tinto owns 54% of the Eastern Range mine, under the terms of the joint venture agreement, Hamersley Iron manages the operation and is obliged to purchase all mine production from the joint venture and therefore all of the production is included in Rio Tinto's share of production.
(c) SP10 includes some lower grade products. SP10 fines sales also include IOC product that is further blended and sold at port in China.
(d) Restatement due to separately reporting SP10 lump and SP10 fines products that include other lower grade products.
(e) Differences between shipments and sales reflect tonnes held for portside trading and material purchased from IOC and sold.
(f) While Rio Tinto has a 53% net beneficial interest in Robe River Iron Associates, it recognises 65% of the assets, liabilities, sales revenues and expenses in its accounts (as 30% is held through a 60% owned subsidiary and 35% is held through a 100% owned subsidiary). The consolidated basis sales reported here include Robe River Iron Associates on a 65% basis to enable comparison with revenue reported in the financial statements.

Page 18 of 27



Rio Tinto share of production
 
Rio Tinto
interest

Q4
2018
Q1
2019
Q2
2019
Q3
2019
Q4
2019
Full Year
2018
Full Year
2019
 
 
 
 
 
 
 
 
 
MOLYBDENUM
 
 
 
 
 
 
 
 
Mine production ('000 tonnes) (a)
 
 
 
 
 
 
 
Bingham Canyon
100
%
2.2
1.9
2.6
2.1
4.7
5.8
11.2
(a) Mine production figures for metals refer to the total quantity of metal produced in concentrates, leach liquor or doré bullion irrespective of whether these products are then refined onsite, except for the data for bauxite and iron ore which represent production of marketable quantities of ore plus concentrates and pellets.
SALT
 
 
 
 
 
 
 
 
Production ('000 tonnes)
 
 
 
 
 
 
 
 
Dampier Salt
68
%
1,496
1,310
1,269
1,392
1,450
6,153
5,422
SILVER
 
 
 
 
 
 
 
 
Mine production ('000 ounces) (a)
 
 
 
 
 
 
 
Bingham Canyon
100
%
736
741
700
768
605
2,520
2,815
Escondida
30
%
771
657
622
488
539
2,830
2,306
Oyu Tolgoi (b)
34
%
80
83
80
64
64
306
290
Rio Tinto total mine production
 
1,586
1,481
1,403
1,320
1,209
5,656
5,412
Refined production ('000 ounces)
 
 
 
 
 
 
 
Rio Tinto Kennecott
100
%
807
617
734
664
839
2,865
2,853
(a) Mine production figures for metals refer to the total quantity of metal produced in concentrates, leach liquor or doré bullion irrespective of whether these products are then refined onsite, except for the data for bauxite and iron ore which represent production of marketable quantities of ore plus concentrates and pellets.
(b) Rio Tinto owns a 33.52% indirect interest in Oyu Tolgoi through its 50.79% interest in Turquoise Hill Resources Ltd.
TITANIUM DIOXIDE SLAG
 
 
 
 
 
 
 
 
Production ('000 tonnes)
 
 
 
 
 
 
 
 
Rio Tinto Iron & Titanium (a)
100
%
294
296
303
321
286
1,116
1,206
(a) Quantities comprise 100% of Rio Tinto Fer et Titane and Rio Tinto's 74% interest in Richards Bay Minerals (RBM).
URANIUM
 
 
 
 
 
 
 
 
Production ('000 lbs U3O8) (a)
 
 
 
 
 
 
 
Energy Resources of Australia
68
%
924
793
620
585
642
3,014
2,640
Rössing (b)
0
%
979
802
1,142
170
-
3,750
2,114
Rio Tinto total uranium production
1,904
1,595
1,762
755
642
6,764
4,754
(a) ERA and Rössing production reported are drummed U3O8.
(b) On 16 July 2019, Rio Tinto completed the sale of its entire 68.62% interest in the Rössing mine in Namibia to China National Uranium Corporation Limited. Production is reported up to the date of completion.
 
 
 
 
 
 
 
 
 
Production figures are sometimes more precise than the rounded numbers shown, hence small differences may result between the total of the quarter figures and the year to date figures.
The Rio Tinto percentage shown above is at 31 December 2019.
Rio Tinto's interest in the Kestrel, Hail Creek, Dunkerque and Grasberg operations were sold in 2018. No data for these operations are included in the Share of production table.


Page 19 of 27



Rio Tinto operational data
 
 
 
 
 
 
 
 
 
 
Rio Tinto
interest

Q4
2018
Q1
2019
Q2
2019
Q3
2019
Q4
2019
Full Year
2018
Full Year
2019
 
 
 
 
 
 
 
 
 
ALUMINA
 
 
 
 
 
 
 
 
Smelter Grade Alumina - Aluminium Group
 
 
 
 
 
 
 
Alumina production ('000 tonnes)
 
 
 
 
 
 
 
 
Australia
 
 
 
 
 
 
 
 
Queensland Alumina Refinery - Queensland
80.0
%
927
888
834
836
895
3,697
3,454
Yarwun refinery - Queensland
100.0
%
803
813
757
671
850
3,103
3,091
Brazil
 
 
 
 
 
 
 
 
São Luis (Alumar) refinery
10.0
%
918
859
864
989
966
3,509
3,679
Canada
 
 
 
 
 
 
 
 
Jonquière (Vaudreuil) refinery - Quebec (a)
100.0
%
354
373
336
360
345
1,444
1,413
(a) Jonquière’s (Vaudreuil’s) production shows smelter grade alumina only and excludes hydrate produced and used for specialty alumina.
Specialty Alumina - Aluminium Group
 
 
 
 
 
 
 
Specialty alumina production ('000 tonnes)
 
 
 
 
 
 
 
Canada
 
 
 
 
 
 
 
 
Jonquière (Vaudreuil) plant – Quebec
100.0
%
29
25
31
28
24
124
109
Rio Tinto percentage interest shown above is at 31 December 2019. The data represent full production and sales on a 100% basis unless otherwise stated.

Page 20 of 27



Rio Tinto operational data
 
 
 
 
 
 
 
 
 
 
Rio Tinto
interest

Q4
2018
Q1
2019
Q2
2019
Q3
2019
Q4
2019
Full Year
2018
Full Year
2019
 
 
 
 
 
 
 
 
 
ALUMINIUM
 
 
 
 
 
 
 
 
Primary Aluminium
 
 
 
 
 
 
 
 
Primary aluminium production ('000 tonnes)
 
 
 
 
 
 
 
Australia
 
 
 
 
 
 
 
 
Bell Bay smelter - Tasmania
100.0
%
48
45
47
48
48
189
189
Boyne Island smelter - Queensland
59.4
%
125
122
126
125
125
497
499
Tomago smelter - New South Wales
51.6
%
149
144
147
149
148
592
588
Canada
 
 
 
 
 
 
 
 
Alma smelter - Quebec
100.0
%
118
115
118
119
119
465
472
Alouette (Sept-Îles) smelter - Quebec
40.0
%
146
144
150
153
155
584
602
Arvida smelter - Quebec
100.0
%
44
43
44
45
44
173
175
Arvida AP60 smelter - Quebec
100.0
%
13
14
15
15
15
52
60
Bécancour smelter - Quebec
25.1
%
30
17
16
16
28
136
77
Grande-Baie smelter - Quebec
100.0
%
59
58
58
59
59
233
233
Kitimat smelter - British Columbia
100.0
%
109
106
102
96
81
436
385
Laterrière smelter - Quebec
100.0
%
65
64
64
65
65
257
257
France
 
 
 
 
 
 
 
 
Dunkerque smelter (a)
0.0
%
57
-
-
-
-
227
-
Iceland
 
 
 
 
 
 
 
 
ISAL (Reykjavik) smelter
100.0
%
54
52
52
36
43
212
184
New Zealand
 
 
 
 
 
 
 
 
Tiwai Point smelter
79.4
%
88
89
87
88
87
341
351
Oman
 
 
 
 
 
 
 
 
Sohar smelter
20.0
%
99
97
97
98
98
380
391
(a) On 14 December 2018, Rio Tinto completed the sale of its 100% interest in the Dunkerque smelter. Production is reported up to the date of completion.
Rio Tinto percentage interest shown above is at 31 December 2019. The data represent full production and sales on a 100% basis unless otherwise stated.

Page 21 of 27



Rio Tinto operational data
 
 
 
 
 
 
 
 
 
 
Rio Tinto
interest

Q4
2018
Q1
2019
Q2
2019
Q3
2019
Q4
2019
Full Year
2018
Full Year
2019
 
 
 
 
 
 
 
 
 
BAUXITE
 
 
 
 
 
 
 
 
Bauxite production ('000 tonnes)
 
 
 
 
 
 
 
 
Australia
 
 
 
 
 
 
 
 
Gove mine - Northern Territory
100.0
%
3,250
3,004
2,957
2,968
3,273
12,540
12,201
Weipa mine - Queensland
100.0
%
6,847
7,917
8,533
8,695
10,267
30,437
35,411
Brazil
 
 
 
 
 
 
 
 
Porto Trombetas (MRN) mine
12.0
%
4,073
2,372
2,393
3,205
3,090
13,134
11,060
Guinea
 
 
 
 
 
 
 
 
Sangaredi mine (a)
23.0
%
2,675
3,463
3,623
3,887
2,727
13,039
13,701
 
 
 
 
 
 
 
 
 
Rio Tinto share of bauxite shipments
 
 
 
 
 
 
 
Share of total bauxite shipments ('000 tonnes)
11,622
12,725
13,122
13,912
14,849
49,536
54,607
Share of third party bauxite shipments ('000 tonnes)
7,387
8,842
9,477
10,361
10,968
32,813
39,648
 
 
 
 
 
 
 
 
 
(a) Rio Tinto has a 22.95% shareholding in the Sangaredi mine but benefits from 45.0% of production.
 
 
 
 
 
 
 
 
 
BORATES
 
 
 
 
 
 
 
 
Rio Tinto Borates - borates
100.0
%
 
 
 
 
 
 
 
US
 
 
 
 
 
 
 
 
Borates ('000 tonnes) (a)
 
118
115
138
138
128
512
520
(a) Production is expressed as B2O3 content.
 
 
 
 
 
 
 
 
 
Rio Tinto percentage interest shown above is at 31 December 2019. The data represent full production and sales on a 100% basis unless otherwise stated.

Page 22 of 27



Rio Tinto operational data
 
 
 
 
 
 
 
 
 
 
Rio Tinto
interest

Q4
2018
Q1
2019
Q2
2019
Q3
2019
Q4
2019
Full Year
2018
Full Year
2019
 
 
 
 
 
 
 
 
 
COPPER & GOLD
 
 
 
 
 
 
 
 
Escondida
30.0
%
 
 
 
 
 
 
 
Chile
 
 
 
 
 
 
 
 
Sulphide ore to concentrator ('000 tonnes)
30,507
32,027
32,519
33,956
33,659
124,956
132,161
Average copper grade (%)
 
0.87
0.82
0.86
0.86
0.87
0.93
0.85
Mill production (metals in concentrates):
 
 
 
 
 
 
 
 
Contained copper ('000 tonnes)
 
219.9
216.9
230.9
245.0
246.1
968.0
938.9
Contained gold ('000 ounces)
 
74
74
75
49
49
266
247
Contained silver ('000 ounces)
 
2,570
2,189
2,074
1,626
1,798
9,433
7,687
Recoverable copper in ore stacked for leaching ('000 tonnes) (a)
45.7
36.5
44.7
56.8
61.7
199.9
199.7
Refined production from leach plants:
 
 
 
 
 
 
 
 
Copper cathode production ('000 tonnes)
 
71.9
62.4
63.5
55.9
68.4
266.8
250.2
(a) The calculation of copper in material mined for leaching is based on ore stacked at the leach pad.
Freeport-McMoRan
 
 
 
 
 
 
 
 
Grasberg mine (a)
0.0% (b)

 
 
 
 
 
 
 
Papua, Indonesia
 
 
 
 
 
 
 
 
Ore treated ('000 tonnes)
 
14,049
-
-
-
-
64,310
-
Average mill head grades:
 
 
 
 
 
 
 
 
Copper (%)
 
0.73
-
-
-
-
0.99
-
Gold (g/t)
 
1.08
-
-
-
-
1.59
-
Silver (g/t)
 
2.09
-
-
-
-
4.17
-
Production of metals in concentrates:
 
 
 
 
 
 
 
 
Copper in concentrates ('000 tonnes)
 
85.4
-
-
-
-
569.7
-
Gold in concentrates ('000 ounces)
 
402
-
-
-
-
2,779
-
Silver in concentrates ('000 ounces)
 
545
-
-
-
-
5,045
-
Sales of payable metals in concentrates: (c)
 
 
 
 
 
 
 
Copper in concentrates ('000 tonnes)
 
82.7
-
-
-
-
556.0
-
Gold in concentrates ('000 ounces)
 
399
-
-
-
-
2,719
-
Silver in concentrates ('000 ounces)
 
426
-
-
-
-
3,928
-
(a) Through a joint venture agreement with Freeport-McMoRan (FCX), Rio Tinto is entitled to 40% of additional material mined as a consequence of expansions and developments of the Grasberg facilities since 1998. The Q4 2018 results show the forecast from FCX's most recent five-year plan. On 21 December 2018, Rio Tinto completed the sale of its entire interest in the Grasberg mine in Indonesia to PT Indonesia Asahan Aluminium (Persero) (Inalum). Production is reported up to the date of completion.
(b) Rio Tinto share of Grasberg production is 40% of the expansion.
(c) Net of smelter deduction
Rio Tinto percentage interest shown above is at 31 December 2019. The data represent full production and sales on a 100% basis unless otherwise stated.

Page 23 of 27



Rio Tinto operational data
 
 
 
 
 
 
 
 
 
 
Rio Tinto
interest

Q4
2018
Q1
2019
Q2
2019
Q3
2019
Q4
2019
Full Year
2018
Full Year
2019
 
 
 
 
 
 
 
 
 
COPPER & GOLD (continued)
 
 
 
 
 
 
 
 
Rio Tinto Kennecott
 
 
 
 
 
 
 
 
Bingham Canyon mine
100.0
%
 
 
 
 
 
 
 
Utah, US
 
 
 
 
 
 
 
 
Ore treated ('000 tonnes)
 
10,853
10,685
10,123
10,084
11,141
40,260
42,033
Average ore grade:
 
 
 
 
 
 
 
 
Copper (%)
 
0.59
0.55
0.46
0.64
0.36
0.56
0.50
Gold (g/t)
 
0.26
0.25
0.33
0.30
0.23
0.25
0.28
Silver (g/t)
 
2.76
2.76
2.84
2.74
2.09
2.60
2.60
Molybdenum (%)
 
0.032
0.032
0.039
0.039
0.061
0.028
0.043
Copper concentrates produced ('000 tonnes)
222
207
161
207
156
820
731
Average concentrate grade (% Cu)
 
26.0
25.3
25.5
27.8
22.6
24.8
25.5
Production of metals in copper concentrates:
 
 
 
 
 
 
 
Copper ('000 tonnes) (a)
 
58.3
52.5
41.1
57.8
35.4
203.9
186.8
Gold ('000 ounces)
 
57
53
65
65
52
197
235
Silver ('000 ounces)
 
736
741
700
768
605
2,520
2,815
Molybdenum concentrates produced ('000 tonnes):
4.5
3.8
5.0
4.3
9.4
11.6
22.4
Molybdenum in concentrates ('000 tonnes)
 
2.2
1.9
2.6
2.1
4.7
5.8
11.2
 
Kennecott smelter & refinery
100.0
%
 
 
 
 
 
 
 
Copper concentrates smelted ('000 tonnes)
262
204
207
160
216
932
787
Copper anodes produced ('000 tonnes) (b)
62.4
33.3
60.3
39.3
53.7
207.3
186.6
Production of refined metal:
 
 
 
 
 
 
 
 
Copper ('000 tonnes)
 
64.6
29.6
63.3
40.3
51.4
194.7
184.6
Gold ('000 ounces) (c)
 
58.6
41.7
52.9
60.8
63.3
198.0
218.7
Silver ('000 ounces) (c)
 
807
617
734
664
839
2,865
2,853
(a) Includes a small amount of copper in precipitates.
(b) New metal excluding recycled material.
(c) Includes gold and silver in intermediate products.
Rio Tinto percentage interest shown above is at 31 December 2019. The data represent full production and sales on a 100% basis unless otherwise stated.

Page 24 of 27



Rio Tinto operational data
 
 
 
 
 
 
 
 
 
 
Rio Tinto
interest

Q4
2018
Q1
2019
Q2
2019
Q3
2019
Q4
2019
Full Year
2018
Full Year
2019
 
 
 
 
 
 
 
 
 
COPPER & GOLD (continued)
 
 
 
 
 
 
 
 
Turquoise Hill Resources
 
 
 
 
 
 
 
 
Oyu Tolgoi mine (a)
33.5
%
 
 
 
 
 
 
 
Mongolia
 
 
 
 
 
 
 
 
Ore Treated ('000 tonnes)
 
9,361
9,255
10,394
10,040
11,088
38,738
40,777
Average mill head grades:
 
 
 
 
 
 
 
 
Copper (%)
 
0.55
0.57
0.46
0.37
0.42
0.51
0.45
Gold (g/t)
 
0.56
0.58
0.31
0.14
0.15
0.36
0.29
Silver (g/t)
 
1.22
1.25
1.20
1.03
1.06
1.22
1.13
Copper concentrates produced ('000 tonnes)
189.0
210.1
180.6
131.3
152.6
724.9
674.6
Average concentrate grade (% Cu)
 
21.9
21.8
21.7
21.7
21.6
21.9
21.7
Production of metals in concentrates:
 
 
 
 
 
 
 
 
Copper in concentrates ('000 tonnes)
 
41.5
45.8
39.2
28.4
32.9
159.1
146.3
Gold in concentrates ('000 ounces)
 
116.7
120.1
71.8
25.6
24.3
285.4
241.8
Silver in concentrates ('000 ounces)
 
238
247
239
191
190
914
867
Sales of metals in concentrates:
 
 
 
 
 
 
 
 
Copper in concentrates ('000 tonnes)
 
40.2
38.5
46.6
32.5
32.3
156.7
149.9
Gold in concentrates ('000 ounces)
 
111
98
116
35
25
248
274
Silver in concentrates ('000 ounces)
 
216
200
245
207
244
873
896
(a) Rio Tinto owns a 33.52% indirect interest in Oyu Tolgoi through its 50.79% interest in Turquoise Hill Resources.
 
 
 
 
 
 
 
 
 
DIAMONDS
 
 
 
 
 
 
 
 
Argyle Diamonds
100.0
%
 
 
 
 
 
 
 
Western Australia
 
 
 
 
 
 
 
 
AK1 ore processed ('000 tonnes)
 
1,292
1,248
1,427
1,716
1,977
5,444
6,367
AK1 diamonds produced ('000 carats)
 
3,211
2,786
3,292
3,558
3,363
14,069
12,999
Diavik Diamonds
60.0
%
 
 
 
 
 
 
 
Northwest Territories, Canada
 
 
 
 
 
 
 
 
Ore processed ('000 tonnes)
 
651
620
671
628
516
2,530
2,435
Diamonds recovered ('000 carats)
 
1,797
1,683
1,980
1,656
1,400
7,264
6,719
 
Rio Tinto percentage interest shown above is at 31 December 2019. The data represent full production and sales on a 100% basis unless otherwise stated.

Page 25 of 27



Rio Tinto operational data
 
Rio Tinto
interest

Q4
2018
Q1
2019
Q2
2019
Q3
2019
Q4
2019
Full Year
2018
Full Year
2019
IRON ORE
 
 
 
 
 
 
 
 
Rio Tinto Iron Ore
 
 
 
 
 
 
 
 
Western Australia
 
 
 
 
 
 
 
 
Pilbara Operations
 
 
 
 
 
 
 
 
Saleable iron ore production ('000 tonnes)
 
 
 
 
 
 
 
Hamersley mines
(a)

56,364
51,218
50,087
55,567
52,521
220,612
209,392
Hamersley - Channar
60.0
%
2,228
1,552
2,419
1,579
2,420
7,173
7,970
Hope Downs
50.0
%
11,691
11,913
12,101
12,155
12,095
45,368
48,264
Robe River - Pannawonica (Mesas J and A)
53.0
%
7,555
3,529
6,282
8,914
8,225
31,947
26,951
Robe River - West Angelas
53.0
%
8,738
7,783
8,853
9,133
8,318
32,672
34,086
Total production ('000 tonnes)
 
86,576
75,995
79,741
87,347
83,579
337,772
326,663
Breakdown of total production:
 
 
 
 
 
 
 
 
Pilbara Blend and SP10 Lump (b)
 
26,084
24,068
24,291
25,434
24,326
101,629
98,119
Pilbara Blend and SP10 Fines (b)
 
38,085
34,924
35,194
38,296
36,833
146,705
145,247
Robe Valley Lump
 
2,659
1,198
2,266
3,113
2,969
11,126
9,547
Robe Valley Fines
 
4,896
2,331
4,015
5,802
5,256
20,821
17,404
Yandicoogina Fines (HIY)
 
14,852
13,473
13,975
14,704
14,194
57,491
56,346
Breakdown of total shipments:
 
 
 
 
 
 
 
 
Pilbara Blend Lump (c)
 
22,161
18,968
21,653
19,329
19,680
88,215
79,630
Pilbara Blend Fines (c)
 
40,633
33,016
39,358
36,947
39,186
157,191
148,508
Robe Valley Lump
 
2,301
863
1,957
2,433
2,350
9,209
7,603
Robe Valley Fines
 
5,652
2,468
4,862
6,318
6,149
22,801
19,797
Yandicoogina Fines (HIY)
 
14,831
12,294
15,212
14,286
15,260
57,380
57,052
SP10 Lump (b)
 
0
0
635
2,685
2,072
0
5,391
SP10 Fines (b)
 
1,863
1,542
1,747
4,057
2,081
3,364
9,427
Total shipments ('000 tonnes) (d)
 
87,442
69,150
85,423
86,055
86,779
338,160
327,408
Breakdown of total sales:
 
 
 
 
 
 
 
 
Pilbara Blend Lump (c)
 
22,161
18,968
21,653
19,329
19,680
88,215
79,630
Pilbara Blend Fines (c)
 
40,633
33,016
39,358
36,947
39,186
157,191
148,508
Robe Valley Lump
 
2,301
863
1,957
2,433
2,350
9,209
7,603
Robe Valley Fines
 
5,652
2,468
4,862
6,318
6,149
22,801
19,797
Yandicoogina Fines (HIY)
 
14,831
12,294
15,212
14,286
15,260
57,380
57,052
SP10 Lump (b)
 
0
0
635
2,611
1,733
0
4,979
SP10 Fines (b)
 
1,863
1,542
1,747
3,962
1,185
3,364
8,437
Total sales ('000 tonnes)
 
87,442
69,150
85,423
85,888
85,545
338,160
326,006
(a) Includes 100% of production from Paraburdoo, Mt Tom Price, Marandoo, Yandicoogina, Brockman, Nammuldi, Silvergrass and the Eastern Range mines. Whilst Rio Tinto owns 54% of the Eastern Range mine, under the terms of the joint venture agreement, Hamersley Iron manages the operation and is obliged to purchase all mine production from the joint venture and therefore all of the production is included in Rio Tinto's share of production.
(b) SP10 includes some lower grade products. SP10 fines sales also include IOC product that is further blended and sold at port in China.
(c) Restatement due to separately reporting SP10 lump and SP10 fines products that include other lower grade products.
(d) Shipments represent iron ore exported from Western Australian ports: a portion of this material is shipped for portside trading to be further blended and subsequently sold.
Rio Tinto percentage interest shown above is at 31 December 2019. The data represent full production and sales on a 100% basis unless otherwise stated.

Page 26 of 27


Rio Tinto operational data
 
 
 
 
 
 
 
 
 
Rio Tinto
interest

Q4
2018
Q1
2019
Q2
2019
Q3
2019
Q4
2019
Full Year
2018
Full Year
2019
IRON ORE (continued)
 
 
 
 
 
 
 
 
Iron Ore Company of Canada
58.7
%
 
 
 
 
 
 
 
Newfoundland & Labrador and Quebec in Canada
 
 
 
 
 
 
 
Saleable iron ore production:
 
 
 
 
 
 
 
 
Concentrates ('000 tonnes)
 
2,441
1,516
2,031
2,384
1,951
6,700
7,883
Pellets ('000 tonnes)
 
2,389
2,709
2,280
2,657
2,415
8,545
10,061
IOC Total production ('000 tonnes)
 
4,830
4,225
4,311
5,041
4,366
15,245
17,943
Shipments:
 
 
 
 
 
 
 
 
Concentrates ('000 tonnes)
 
2,653
878
2,239
2,427
2,083
6,619
7,628
Pellets ('000 tonnes)
 
2,581
2,684
2,424
2,093
2,406
8,430
9,607
IOC Total Shipments ('000 tonnes)
 
5,234
3,562
4,663
4,520
4,490
15,049
17,235
IOC Total Sales ('000 tonnes)
 
5,234
3,562
4,663
4,520
4,490
15,049
17,235
Global Iron Ore Totals
 
 
 
 
 
 
 
 
Iron Ore Production ('000 tonnes)
 
91,406
80,219
84,052
92,389
87,945
353,017
344,606
Iron Ore Shipments ('000 tonnes)
 
92,676
72,712
90,085
90,576
91,269
353,209
344,642
 
SALT
 
 
 
 
 
 
 
 
Dampier Salt
68.4
%
 
 
 
 
 
 
 
Western Australia
 
 
 
 
 
 
 
 
Salt production ('000 tonnes)
 
2,188
1,917
1,856
2,036
2,121
9,001
7,931
TITANIUM DIOXIDE SLAG
 
 
 
 
 
 
 
 
Rio Tinto Iron & Titanium
100.0
%
 
 
 
 
 
 
 
Canada and South Africa
 
 
 
 
 
 
 
 
(Rio Tinto share) (a)
 
 
 
 
 
 
 
 
Titanium dioxide slag ('000 tonnes)
 
294
296
303
321
286
1,116
1,206
 
 
 
 
 
 
 
 
 
(a) Quantities comprise 100% of Rio Tinto Fer et Titane and Rio Tinto's 74% interest in Richards Bay Minerals' production. Ilmenite mined in Madagascar is being processed in Canada.
URANIUM
 
 
 
 
 
 
 
 
Energy Resources of Australia Ltd
 
 
 
 
 
 
 
 
Ranger mine (a)
68.4
%
 
 
 
 
 
 
 
Northern Territory, Australia
 
 
 
 
 
 
 
 
U3O8 Production ('000 lbs)
 
1,351
1,160
906
855
939
4,407
3,860
(a) ERA production data are drummed U3O8.
 
 
 
Rössing Uranium Ltd (a) (b)
0.0
%
 
 
 
 
 
 
 
Namibia
 
 
 
 
 
 
 
 
U3O8 Production ('000 lbs)
 
1,427
1,168
1,665
247
-
5,465
3,080
(a) Rössing production data are drummed U3O8.
(b) On 16 July 2019, Rio Tinto completed the sale of its entire 68.62% interest in the Rössing mine in Namibia to China National Uranium Corporation Limited. Production is reported up to the date of completion.
Rio Tinto percentage interest shown above is at 31 December 2019. The data represent full production and sales on a 100% basis unless otherwise stated.


Page 27 of 27
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