3Q23

Earnings Results Conference Call

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Cautionary Statement.- This presentation contains certain information that may constitute forward- looking information under applicable U.S. securities legislation, including but not limited to information about costs applicable to sales, general and administrative expenses; production volumes; current expectations on the timing, extent and success of exploration; development and metallurgical sampling activities, the timing and success of mining operations and the optimization of mine plans. This forward- looking information entails various risks and uncertainties that are based on current expectations, and actual results may differ materially from those contained within said information. These uncertainties and risks include, but are not limited to, the strength of the global economy, the price of commodities; operational, funding and liquidity risks; the degree to which mineral resource estimates are reflective of actual mineral resources; the degree to which factors which would make a mineral deposit commercially viable are present, and other risks and hazards associated with mining operations. Risks and uncertainties about the Company's business are more fully discussed in the BVN's form 20-F filed with the Securities and Exchange Commission in the U.S. and available at www.sec.gov . Readers are urged to read these materials. Buenaventura assumes no obligation to update any forward-looking information or to update the reasons why actual results could differ from such information unless required by law.

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Agenda

1

2

3

4

5

9M23 Highlights

All-in Sustaining Cost and Cost Applicable to Sales

Free cash flow generation

Projects Pipeline: Yumpag and San Gabriel

Closing remarks

3

9M23 Highlights

EBITDA Direct Operations(1)

In US$ millions

+27%

121.9

96.3

9M22

9M23

Cash Position

US$ 222 M

3Q23 dividends from Cerro Verde

US$ 48.9M

28-Aug ressumption Uchucchacua

7-Sep approval of Yumpag EIA

9M23 CAPEX(2)

In US$ millions

12

56

Maintenance

146

Yumpag

47

San Gabriel

Growth

31

Focus to increase El Brocal's

underground production to

12 ktpd continue as planned

Consolidated Production(2)

44.3 53 58

Cu (kton)

12.2

13.2

18.8

4.9

8.3

9.5

Ag (MOz)

1.3

1.7

1.9

111.2 126 142

Au (kOz)

38.1

37.3

35.8

1Q23

2Q23

3Q23

Guidance Min range

Guidance Max range

Temporary suspension of mining activities at El Brocal's open pit until MEIA approval

Notes: (1) Do not include Yanacocha transaction US$ 300M;

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(2) Consolidated figures includes 100% BVN, 100% La Zanja and 100% El Brocal.

All-in Sustaining Cost(1)

US$/Oz-Au Eq

Costs Applicable to Sales

1,908

Copper

US$/TMF-Cu

↓10%

6,675

6,291

6,031

3Q23

9M22

9M23

El Brocal:

Copper priorization

1,425

↑34%

9M229M23

Silver

Gold

US$/Oz-Ag

US$/Oz-Au

↑29%

24.422.7

17.7

3Q23

9M22

9M23

1,252

1,126 1,166

Julcani:

Lower grades

Tambomayo:

Lower grades

La Zanja:

Reserves depletion

Tambomayo:

Lower grades

Note: (1) Doesn´t include figures from El Brocal and Cerro Verde

3Q23

9M22

9M23

5

Free cash flow generation

3Q23 Cash generation

9M23 EBITDA to FCF reconciliation

In US$ millions

In US$ millions

+$20M

(1)

Notes: (1) Considers US$ 31 M of advanced payments, primarily related to San Gabriel project

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Projects Pipeline - Update

Increase value through our diversified portfolio focusing on projects with LOM ↑10 years

Copper

Gold

Silver

Tomasa

Dorita

Chaska

Gaby

Mayra

El

Faique

La Zanja

Sulfides

El

Trapiche

Brocal

10Y

San

Gabriel

Coimolache

Rio

Sulfides

Seco

Uchucchacua

+ Yumpag

Exploration

Scoping

Prefeasibility

Feasibility

Construction

Startup

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Projects Pipeline - Update

Increase value through our diversified portfolio focusing on projects with LOM ↑10 years

San

Gabriel

Uchucchacua

+ Yumpag

Exploration

Scoping

Prefeasibility

Feasibility

Construction

Copper

Gold

Silver

Startup

8

Yumpag: relaunching a new Uchucchacua

Extending the LOM for the next 15 years

Uchucchacua Mine

Yumpag Mine

Future exploration

Average Grade:

↑20 Oz-Ag/t

Average Grade:

~6km of potential

~10 Oz-Ag/t

Highlights

  • Yumpag´s environmental permit was approved on September 7, 2023
  • BVN has submitted a request to the Ministry of Energy and Mines to obtain the final authorizations to initiate the deposit's exploitation
  • Processing will start in November with the temporary permit that allows us to treat up to 125 kton of ore from Yumpag's pilot stope at Uchucchacua´s processing plant

LOM Resources

Total CAPEX US$

+10 years 80M - 110M

LOM CAS

10 - 12

US$/Oz-Ag

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San Gabriel: Our next large gold project

Item

Description

Progress as of:

1Q23

2Q23

3Q23

1

Engineering

66%

81%

90%

2

Procurement

85%

85%

89%

3

Construction

3%

7%

14%

4

Commissioning

0%

0%

0%

Total

15%

23%

28%

Highlights

Project Milestones

Authority admitted

Start of UG

Concrete Plant

power line EIA

mining contractor

installation start

1Q23 2Q23 3Q23 4Q23E 1Q24E

Agani campsite

Fresh water

San Gabriel

completed

Dam Started

campsite completed

  • 9M23 CAPEX related to earthworks and construction-related water dam excavation reached US$ 46.5 M.
  • Additional US$ 40 M have been invested in the project as advance payments for equipment manufacturing.
  • Underground mining tender process completed during 3Q23 and contractor will begin field work during 4Q23.

LOM Reserves

Total CAPEX US$

+14 years 450M - 470M

LOM CAS

750 - 800

US$/Oz-Au

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Disclaimer

Compañia de Minas Buenaventura SAA published this content on 31 October 2023 and is solely responsible for the information contained therein. Distributed by Public, unedited and unaltered, on 02 November 2023 15:32:08 UTC.