This presentation contains certain information that may constitute forward-looking information under applicable U.S. securities legislation,

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2 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 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.

3 1. Company Overview

4 Business Overview BVN is engaged in the exploration, development mining, processing and trading of gold, silver and other base metals via wholly-owned mines and through its participation in joint venture projects. Extensive experience in the mining sector with over 65 years of operation. Based in Peru, a country situated in one of the world s most prolific polymetallic belts. Revenues (1)(2) In millions US$ 930 EBITDA Including Affiliates (1)(3) In millions US$ 372 1, , ,350 1, E Revenue Breakdown (1)(2) Gold 30% 2017 EBITDA Including Affiliates Breakdown by metal (1)(2) Silver 8% Silver 29% US$ 714M Others 6% Lead 5% Copper 18% Zinc 12% Base Metals 53% Gold 30% Others 9% Notes: (1) Includes 100% of Buenaventura (Julcani, Mallay, Tambomayo, Orcopampa, Uchucchacua, Projects), La Zanja, El Brocal, Huanza, Contacto, Condesa, other small businesses of the Group (2) Considers the following forecast prices: Au: $1,306 US$/Oz, Ag: $16.7 US$/Oz, Pb: 2,415 US$/MT, Cu: 6,949 US$/MT and Zn: 3,176 US$/MT (3) Includes (1) % of Coimolache, 19.58% of Cerro Verde and 43.65% of Yanacocha Source: Company filings

5 Odría ( ) Prado y Ugarteche ( ) Belaunde ( ) Velasco ( ) Morales Bermúdez ( ) Belaunde ( ) García ( ) Fujimori ( ) Toledo ( ) García ( ) Humala ( ) Kuczynski ( ) Vizcarra (2018 present)

6 Supports SUSTAINABILITY Drivers FINANCIAL RESULTS Budget 2018 & FY17 (1) Safety Human Resources Tambomayo Gold Orcopampa Coimolache La Zanja Yanacocha Silver Uchucchacua Mallay Julcani OPERATIONS EBITDA (Direct Operations) 2 FY17: US$ M 2018B: US$ M EBITDA (Including Associates) 3 Social Management Environmental Management Technology and Innovation Energy Base Cerro Verde Metals El Brocal (Marcapunta & Tajo Norte) Gold Quecher Main San Gabriel FY17: US$ M 2018B: US$ M Net Debt / EBITDA FY17: 1.4x 2018B: <1.0x Communications Head Office Base Metals Yumpaq Marcapunta Norte-Sur Yanacocha s Sulfides Coimolache s Sulfides Trapiche / El Faique San Gregorio Rio Seco (Cu As) Silver PROJECTS Debt Rating - Moody s: Ba2 - Fitch: BBB- Notes: (1) All values as of December 31 st, 2017 (2) Includes 100% of Buenaventura (Julcani, Mallay, Tambomayo, Orcopampa, Uchucchacua, Projects), La Zanja, El Brocal, Huanza, Contacto, Condesa, other small businesses of the Group (3) Includes (2) % of Coimolache, 19.58% of Cerro Verde and 43.65% of Yanacocha

7 Diversified Portfolio - Commodities / Number of assets / Geographically 1 Long Term Business Plan - Sound capital deployment: Exploration / De-bottlenecking program / Portfolio for organic growth 2 Partner of Choice in Peru - BVN s JVs are an additional option for growth. 3 Based in Peru - Extensively mineralized country / Long mining tradition / Strong macroeconomic fundamentals 4

8 1 Diversified Investments Reduce Prices Volatility Risk + Regional Clusters Leverage Important Synergies for BVN BVN s Direct Operations are focused on precious metals, with a well diversified portfolio through its participation in joint ventures EBITDA Including Affiliates Breakdown by Metal (1) Gold Tambomayo Orcopampa Coimolache * La Zanja Yanacocha * Silver 8% Base Metals 53% P Operation Project P P P P P P P Yanacocha Quecher Main Yanacocha P Sulfides Coimolache Coimolache Sulfides La Zanja El Faique Silver Base Metals Others Uchucchacua Mallay Julcani El Brocal Cerro Verde * Huanza, Rio Seco, Contacto Other adjustments * Affiliates Gold 30% US$ 714 M Others 9% P P P Uchucchacua Yumpaq Mallay Río Seco Marcapunta Tajo Norte San Gregorio Julcani P P P P P Cerro Verde Orcopampa Tambomayo Trapiche P San Gabriel Sources: BVN and other companies filings Notes: (1) Calculation considers the Adjusted EBITDA (including affiliates)

9 2 A Consistent Replenishing Reserves Culture Since 1953 Mineral Reserves 2017 Variation (1) Julcani Orcopampa + 65 years + 51 years Gold Equivalent In 000 AuOz ,645 (2) 2,524 Orcopampa 654 Tambomayo La Zanja Coimolache Silver Equivalent In M AgOz Dec-16 Explo. Reinterp. Prod. Dec-17 Uchucchacua + 43 years Uchucchacua Julcani Mallay Dec-16 Explo. Reinterp. Prod. Dec-17 Notes: (1) As of December 31 st, 2017 (2) Includes 256,000 Au Oz from purchases (Gold Fields)

10 3 Yanacocha La Zanja Coimolache Cerro Verde

11 08 17 (%) 4 Peru: Global Leader in the Mining Industry (1) % 10% 12% 7% 4% Gold Silver Copper Zinc Lead Global Production Ranking % of World Reserves Mining Ecosystem Suppliers Contractors Engineering / Consultant companies Training / Academic entities Legal framework Average ; ; ; ; ; Real GDP Average (%) Inflation Average Growing Economy with Low Inflation Rates Peru's Key Indicators 2017 GDP Growth: 2.5% Inflation (CPI): 2.7% Public Debt: Mining: Fiscal Deficit: Doing Business Ranking: 15.3% GDP 9.8% GDP 3.4% GDP #3 in the region Investment grade Non-investment grade Sources: Bloomberg and Ministry of Economy and Finance of Peru Notes: (1) As of December 31 st, 2017

12 2. Operations

13 Base Metals Silver Gold Our Operations (1) Name Stake owned (2) Mining method By product BVN s operations presence 1 2 Tambomayo % U/G Orcopampa % U/G 3 Coimolache 40.10% O/P 4 La Zanja 53.06% O/P Cajamarca Yanacocha 43.65% O/P 9 of 11 mining units operated by BVN 1 Pasco Uchucchacua % U/G Mallay % U/G L L Z Z Precious Metal focused Base Metals Long-term potential Lima Huancavelica 8 Arequipa Julcani % U/G Tajo Norte 61.43% O/P Marcapunta 61.43% U/G Cerro Verde 19.58% O/P L L Notes: (1) Affiliates are Coimolache, Yanacocha and Cerro Verde. BVN is in charge of the operation of Coimolache despite having less than 50% share (2) As of June 30, 2018 Gold Silver Copper Zinc Lead Z L U/G: Underground O/P: Open Pit

14 Equity Gold Production Equity Silver Production In 000 Oz In M Oz % % Direct Operations Yanacocha Direct Operations Equity Copper Production Equity Zinc Production In 000 MT % In 000 MT % Direct Operations Cerro Verde Direct Operations Notes: (1) Direct Operations includes Tambomayo, Orcopampa, Coimolache, La Zanja, Uchucchacua, Mallay, Julcani, Tajo Norte and Marcapunta.

15 Gold Costs Silver Costs CAS In US$/Oz % CAS In US$/Oz % Copper Costs Zinc Costs CAS In US$/Cu Lb CAS In US$/Zn Lb % CAS Variation Direct Operations

16 Highlights 2018: first year of full production 2018 production guidance: o Au: 110k 130k oz o Ag: 3.0 M 3.5 M oz 2018 Exploration Program: o Drift/Tunnels: 8,200m (+112% YoY) o Diamond Drilling: 50,200m (+69% YoY) Production Gold (K Au Oz) Costs 64 CAS (US$/Au Oz) 671 Results and Guidance 88% E -22% E In 000 Au Oz Reserves Resources In 000 Au-Eq Oz 929 Dec-16 R&R Exploration & Reinterp. (1) (2) Reserves Variation 95 FY17 Production Key Points Product - Dore bars - Pb/Ag concentrate - Zn/Ag concentrate Location Arequipa (4,800 MASL) Plant capacity 1,500 TPD Dec-17 Notes: (1) As of December 31st, (2) Resources include measured and indicated.

17 Highlights 2018: focus on improving ventilation and hoisting infrastructure (de-bottlenecking program) Exploration Program: o Drift/Tunnels: 14,400m (+15% YoY) o Diamond Drilling: 78,970m (+16% YoY) Results and Guidance Production Gold (K Au Oz) % Costs CAS (US$/Au Oz) % In 000 Au Oz Reserves Resources In 000 Au-Eq Oz Dec-16 R&R Reserves Variation Exploration & Reinterp. (1) (2) FY17 Production Key Points Product Dore bars Location Arequipa (3,800 MASL) Plant capacity 1,500 TPD Production initiated in 1967 Dec-17 Notes: (1) As of December 31st, (2) Resources include measured and indicated

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20 Highlights More production: o Cienaga Norte area o Agreement with Goldfields to purchase oxides material (High grade, located within 18 kilometers) 2018 Exploration Program (sulfide): o More than 1M Oz. produced to date. Diamond Drilling: 12,200m (+38% YoY) Results and Guidance Production Gold (K Au Oz) % Costs CAS (US$/Au Oz) % In 000 Au Oz Reserves Resources In 000 Au-Eq Oz 1,076 Dec-16 R&R 1,488 1, , Reserves Variation 7 Exploration & Reinterp. (1) (2) 209 FY17 Production Key Points Product Dore bars Location Cajamarca (3,800 MASL) Production initiated in More than 0.8M Au Oz were produced to date 1,116 (3) Dec-17 Notes: (1) As of December 31st, (2) Resources include measured and indicated (3) Includes 256,000 Au Oz from purchases (Gold Fields)

21 Highlights Current cash position fully funds the closure plan (2020) Potential sulfides copper resources: o Encouraging intercepts Emperatriz 2018 Exploration Program: o Diamond Drilling (Oxides): 2,000m o Diamond Drilling (Sulfides): 8,000m More than 1M Oz. produced to date. Results and Guidance Production Gold (K Au Oz) % Costs CAS (US$/Au Oz) 900-1, % In 000 Au Oz Reserves Resources In 000 Au-Eq Oz 268 Dec-16 R&R Exploration & Reinterp. (1) (2) Reserves Variation 172 FY17 Production Key Points Product Dore bars Location Cajamarca (3,500 MASL) Production initiated in 2010: more than 0.9M Au Oz were produced to date 170 Dec-17 Notes: (1) As of December 31st, (2) Resources include measured and indicated

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23 Highlights Results and Guidance R&R (1) (2) In 2017, Yanacocha purchased IFC s 5% equity stake for US$48 M. In 2Q 2018, BVN s equity stake in Yanacocha returned to 43.65% from 45.95% due to Sumitomo s purchase of 5% stake. Production Gold (K Au Oz) In 000 Au Oz Reserves Resources Projects Quecher Main o Project has been approved and currently is in Execution Stage o Production expected in 2019 o The project has a Positive FCF o Estimated annual production of 200k Au Oz between o CAPEX: $250- $300 million o CAS: US$/AuOz Yanacocha Sulfides (O/P): o Studies will take more years o More drilling and mining exploration expected at Chaquicocha (U/G) Costs CAS -5% (US$/Au Oz) , % Key Points Product Dore bars Location Cajamarca (3,800 MASL) Production initiated in 1993: More than 36.7M Au Oz were produced to date Notes: (1) As of December 31st, (2) Resources include measured and indicated (3) Resources include 17.5 M Au Oz from Conga

24 Sulfides Yanacocha Area

25 Highlights Since June 2017: Uchucchacua underground production increased, to be treated at Mallay s processing plant ( + 4k MTD). Encouraging exploration results at Cachipampa and Yumpaq (5 kilometers away) areas Exploration Program: o Drift/Tunnels: 15,000m (+8% YoY) o Diamond Drilling: 89,400m (+25% YoY) Results and Guidance Production Silver (M Ag Oz) % Costs CAS (US$/Ag Oz) % In 000 Ag Oz Reserves Resources 100, ,128 34,443 48,489 66,170 64, In M Ag-Eq Oz Dec-16 R&R Reserves Variation Exploration & Reinterp. (1) (2) FY17 Production Key Points Product - Silver bars - Pb/Ag concentrate - Zn/Ag concentrate Location Lima (4,500 MASL) Plant capacity 4,000 TPD Dec-17 Notes: (1) As of December 31st, (2) Resources include measured and indicated

26 5.2 Kilometers

27 Highlights Take advantage of Mallay processing plant to treat Uchucchacua s ore (more profitable) o 60 kilometers distance from Uchucchacua mine Update the hydrogeological study to determine future direction Results and Guidance Production Silver (M Ag Oz) % R&R (1) (2) In 000 Ag Oz 3,121 Reserves 1,629 1,294 Resources 1,492 1, Reserves Variation In M Ag-Eq Oz Costs CAS (US$/Ag Oz) Dec-16 Exploration & Reinterp. FY17 Production Dec % Key Points Product - Pb/Ag concentrate - Zn/Ag concentrate Location Lima (4,250 MASL) Plant capacity 600 TPD Notes: (1) As of December 31st, (2) Resources include measured and indicated

28 Highlights The underground production was reduced to 400 TPD from 600 TPD, centralizing activities in two areas. Results and Guidance Production Silver (M Ag Oz) In 000 Ag Oz Reserves Resources R&R (1) (2) 7,493 6,977 1,312 1,597 6,182 5, Costs CAS 2% (US$/Ag Oz) In M Ag-Eq Oz Dec-16 Reserves Variation Exploration & Reinterp. 2.2 FY17 Production Key Points Dec % Product - Pb/Ag concentrate Location Huancavelica (4,250 MASL) Plant capacity 600 TPD Notes: (1) As of December 31st, (2) Resources include measured and indicated

29 Highlights 360k TPD plant throughput (largest concentrating facility): Results and Guidance Production Copper (K Cu MT) In K Cu MT R&R (1) (2) 13,535 13,155 o Concentrator # 1: 120K TPD o Concentrator # 2: 240k TPD Copper production distribution: o Cu Concentrate: 90% o Cu Cathodes: 10% Reserves Syndicate Loan: US$ 1.2 B outstanding. A dividend of $200 M was paid on April 24, Costs Cash Cost (US$/Cu Lb) % Key Points Product - Cu concentrate - Cu cathodes - Mo concentrate Location Arequipa (2,600 MASL) Plant capacity: 360K TPD Notes: (1) As of December 31st, (2) Resources include measured and indicated

30 Highlights The annual production plan is currently under analysis due to current market conditions for zinc/lead concentrates (lower treatment charges). Focus on improving annual profitability. Results and Guidance Production Zinc (K Zn MT) % In K Zn MT 1, Reserves Resources (LOM) In K Zn-Eq MT R&R (1) (2) Reserves Variation 1, Costs CAS (US$/Zn MT) 1,915 1,808 1,601 1,400 1,600-22% Dec-16 Exploration & Reinterp. FY17 Production Key Points Plant #1: 7k 10K TPD (100% Cu) Plant #2: 11k TPD (Flexible Cu / Zn-Pb) Product - Pb/Ag concentrate - Zn/Ag concentrate Location: Pasco (4,250 MASL) Dec-17 Notes: (1) As of December 31st, (2) Resources include measured and indicated

31 Highlights Marcapunta Focused on Project 13K to duplicate the copper production (Marcapunta mine) Improved commercial terms of copper complex concentrates (nine contracts) 2018 Exploration Program: o Diamond Drilling: 27,000m (+206% YoY) Results and Guidance Production Copper (K Cu MT) % Costs CAS (US$/Cu MT) 5,322 5,119 5,050 5,250 4,651 In K Cu MT Reserves Resources In K Cu-Eq MT 1,123.1 Dec-16 R&R 1,682 1,634 1,383 1,381 Exploration & Reinterp. (1) (2) Reserves Variation Key Points Plant #1: 7k 10K TPD (100% Cu) Plant #2: 11k TPD (Flexible Cu / Zn-Pb) Product Cu concentrate Location Pasco (4,250 MASL) 67.0 FY17 Production 1,056.1 Dec-17 Notes: (1) As As of December 31st, (2) Resources include measured and indicated

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33 Average Daily Production ( ) MT / Day 21,000 18,000 15,000 12,000 9,439 13,942 14,595 16,066 14,756 15,142 18,219 18,641 16,032 14,172 16,178 15,942 16,889 17,831 9,000 10,833 6,000 3,000 - Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q

34 Buenaventura will deliver US$ M of EBITDA with a total Capex of US$ M between First results are expected to be seen in 2H18. US$MM Capex EBITDA Tambomayo Backfill System: Engineering in Progress 21% Process Plant Tuning: Completion by 2Q18 100% OBJECTIVES Operating efficiency Lower mining cost 2% increase in Au recovery / 1.5k TPD -> 1.6 ktpd 2018 EBITDA $3-4 M Orcopampa Hoist System: Completion by 4Q18 85% Ventilation: Completion by 4Q18 58% Transportation cost savings: 2.15 US$/Ton Operating efficiency - Easier access to new areas of exploration Uchucchacua Hoist System: Completion by 2Q19 Ventilation: Socorro by 3Q18 / Cachipama by 3Q19 21% 63% Transportation cost savings: 5.14 US$/Ton Operating efficiency - Easier access to new areas of development Esperanza Tunnel Connection: Completion by 4Q18 (Working at 3.0K TPD) 97% Transportation cost savings: 1.77 US$/Ton Full objective 8K TPD $1-2 M El Brocal 13K Copper Production: Ending in 4Q18 97% (8K MTPD Cu --> 13K MTPD Cu / Close 4Q18 with 20K TPD capacity Process Plant Tuning: Completion by 2Q18 100% 15.8k TPD -> 18.5 ktpd $14-16 M

35 3. Projects

36 Our Projects Development Level BVN s operations presence Piura Cajamarca Pasco Lima Apurímac 9 Moquegua 3 To implement a disciplined process and increase value through our diversified portfolio of projects Increase Value Focus on optimized capital allocation Disciplined process Focus on implementing project management best practices

37 12 components EXAMPLE: State of Project 1 A. Development Level D. Snapshot Comprehensive Assessment Conceptual Prefeasibility Feasibility (1) Geology Project 1 (12) Communities D F (2) Mine B. Breakdown into 12 Essential Components (11) People S (3) Plant Geology Mine... Social Exploration Scope Prefeasibility Feasibility Development (E) (S) () (F) (D)... C. Risk assessment stages... (10) Security (9) Permits (8) Lands E (7) Infrastructure (4) Tailings/Dumps (5) Energy (6) Water Low Risk Medium Risk High Risk Note: (1) Based on the methodology of the book: Project Management for Mining (Hickson & Owen, 2015)

38 GEOLOGY MINE PLANT FACILITIES E Resource delineation E Surface/Underground defined E Preliminary site arrangement E Approximate locations S Inferred mostly S Mining method / Cut-off preliminary S 1-2% Total engineering S Some optimization w/locations Indicated mostly Production schedule from pushbacks 5-12% Total engineering Optimal locations selected F 80% measured/indicated F Mine services Fully outlined F 12-30% Total engineering F Basic engineering > 80% D 100% measured/indicated D Mine services Firm design basis D 60-80% Total engineering D Detailed engineering > 80% ENERGY WATER LAND INFRAESTRUCTURE E Overview of power availability E Water sources identified E Property lease desirable E General overview provided S Electrical loads estimated S Water demand estimated S Property under temporary lease S Critical facilities identified and locations postulated Power source identified, distribution to site addressed, loads estimated Water source defined Property under lease Likely facilities location set, all facilities identified F Distribution to site engineered F Critical design concluded F Property titles controlled F All support facilities listed and locations established D Specific power source contracted, distribution to site established D All water design concluded D Claim management D Final facilities location set and detailed SOCIAL WORKFORCE SECURITY PERMITS E Social base line gathered E Baseline of local workforce E Non applicable E EID presented S Social acceptance diagnostic S Local work force identified (fieldwork) S First HIRA draft (Field work) S EID approved Social agreement outlined Local work force trained (fieldwork) HIRA approved (Field work) Environmental base-line completed F Public Audience F Local work force identified (construction) F First HIRA draft (Construction) F EIS presented D Social acceptance reached D Local work force trained (construction) D First approved (Construction) D Construction/Mine permit issued

39 Geology Risk III 50% Energy Risk Electric power source identified & transmission line delineated (charges are estimated). SOCIAL (X) PLANT (I) FACILITIES (II) Mine Risk IV 75% Water Risk Authorization for drilling and industrial use underway (EIA). SECURITY (VIII) S PS F D ENERGY (III) I 15% Plant Risk 1 Perfomed KoM with HATCH Canada for S. V 90% Infrastructure EIA approval pending. Risk PERMITS (VII) WATER (IV) II 15% Facilities Risk Perfomed KoM with HATCH Canada for S. VI 75% Land Risk Negotiatin land to connect with water source PEOPLE (IX) LAND (VI) INFRASTRUCTURE (V) Status Apr -18 Status July -18 VII Permits Risk VIII Security Risk IX People Risk X Social Risk 12% EIA under preparation. 0% Working on IPERC 30% Local capabilities assesed. 12% Working on getting Lachay s buffer zone resolved. Risk 1: Intellectual Property Action: Continue with patent process, use of FLS team Status: In progress Opportunity 1: Direct sale of Au and Ag residue vs removing elemental sulphur. Action: Get commercial proposal Status: In Process Expected to reach Pre-Feasability Phase by 4Q18. Opportunity 2: Reduce Plant Size to achieve a financial acceptable model plant. Action: Evaluate Trade Off Status: In Progress

40 I 100% Geology Prefeasibility 100% Drilling: 102,819 m Risk V 12% Energy Risk KoM scheduled for mid August with CONENHUA SOCIAL (XII) GEOLOGY (I) MINE (II) II 12% Mine Risk 1 EPCM firm designated (M3- TUCSON AZ). KoM scheduled for mid August. VI 12% Water Risk EPCM firm designated (M3-TUCSON AZ). KoM schedulle for mid August. SECURITY (X) PLANT (III) III 12% Plant Risk 1 EPCM firm designated (M3- TUCSON AZ). KoM scheduled for mid August. VII 6% Infrastructure Risk 2 Viability profile completed and approved. Preparing RFQ PERMITS (IX) S PS F D FACILITIES (IV) IV 12% Facilities Risk 1 EPCM firm designated (M3- TUCSON AZ). KoM scheduled for mid August. VIII 50% Land Risk Access granted. Agreement with community to be signed. PEOPLE (XI) LAND (VIII) INFRA (VII) WATER ENERGY (V) (VI) Status Apr -18 Status July -18 IX X XI XII Permits Risk Security Risk People Risk Social Risk 3 6% Started Base Line Studies 6% In Progress 25% Local personnel trained for actual project requeriment 75% Signature of the revised agrement Risk 1: Geotechnical risk due to side hill pit and PAD Action: Reviewed stability with KP Status: Mitigated Risk 2: End of year change in Regional Government may attent our ability to execute access road. Action: Achieve agreement with Government (OxI / Donation) Status: Working with GORE Expected to reach Pre-Feasability Phase by 1Q19. Risk 3: Community not recognizing current agreement Action: Revised community agreement to be signed Status: Mitigated

41 F I 100% Geology Feasibility 100% Perforaciones: 128,983.7 m Risk V 100% Energy Prefeasibility 100% Risk SOCIAL (XII) GEOLOGY (I) MINE(II) S II S III S IV 75% 75% 75% Mine Plant Removed the flotation plant. Trade Off: Cianide Destruction vs Tailing Technology vs Cemented Paste Fill Facilities Risk 1 Geomechanical Model revision underway. Trade Off: Cemented Paste Fill Risk 1 Risk 1 Evaluating areas outside of current project print for new tailing technoloy VI VII F VIII 100% 100% 100% Water Prefeasibility 100% Infrastructure Prefeasibility 100% Land Prefeasibility 100% 2158 Ha purchased Risk Risk Risk PEOPLE (XI) SECURITY (X) PERMITS (IX) LAND (VIII) PLANT (III) S PS F D FACILITIES ENERGY (V) WATER (VI) INFRA (VII) Status Apr -1 8 Status July -1 8 (IV) IX X XI XII Permits Security People Social 83% Risk Risk Risk Risk 100% 100% Mining permits (AM-01) underway Prefeasibility 100% Prefeasibility 100% 75% "Consulta Previa" underway. Risk 1: Poor rock strength may increase mining cost Action: Review geomechanic s model and mining design Status: In process Expected to reach Pre-Feasability Phase by 3Q19.

42 4. Financial Results

43 Total Revenues EBITDA Direct Operations In millions US$ 930 1,069 1,274 10% In millions US$ % Net Income (2) In millions US$ EBITDA Including Affiliates In millions US$ % % (317) (1) (323) Notes: (1) 2016 Net Income includes Yanacocha s impairment of US$ M (2) Estimates based on BVN s 2018 Forecast

44 Net Debt / EBITDA Debt Profile (1) (2) 4.0x 13% < 1 año Total Debt (3) : US$ 704M 14% < 1 & 2 años> <2 & 5 años> 2.5x 73% 2.0x 1.7x 1.7x 1.9x 1.5x 1.4x 1.2x Debt Ratings Avg. maturity: 2.8 years 0.8x (4) Ba2 (STABLE) BBB- (STABLE) 1Q16 2Q16 3Q16 4Q16 1Q17 2Q17 3Q17 4Q17 1Q18 2Q18 Notes: (1) Consolidated debt includes: 100% BVN, 100% La Zanja, 100% El Brocal and 100% Huanza (2) Huanza s debt is non recourse to BVN (3) As of June 30, 2018 (4) 2018E Considers a Net Debt amount of US$ 320 M

45 All-in Sustaining Cost (1) In US$/ Au Oz % E 2017 BVN's Peers (2) (3) Source: Bloomberg and Buenaventura s filings Notes: (1) Considers 100% from BVN, 53.06% from La Zanja and % from Coimolache (2) Estimates based on BVN s Budget 2018 (3) BVN s Peers includes Gold Fields, Anglogold, Yamana, Kinross, Newcrest, Agnico, Newmont, Barrick and Goldcorp

46 Consolidated Capex (1) (2) 2018E Consolidated Capex by Asset In millions US$ Others 9% Uchucchacua 18% % Projects 25% US$ M Tambomayo 10% Orcopampa 6% E Sustaining Growing El Brocal 23% La Zanja 7% Notes: (1) Consolidated Capex includes 100% BVN, 100% La Zanja and 100% El Brocal. (2) Considers the de-bottlenecking program

47 Supports Drivers Safety Human Resources Tambomayo Gold Orcopampa Coimolache La Zanja Yanacocha Uchucchacua Mallay Julcani Silver OPERATIONS I. Diversified Portfolio Social Management Environmental Management Base Cerro Verde Metals El Brocal (Marcapunta & Tajo Norte) II. Long Term Business Plan Technology and Innovation Energy Communications Quecher Main San Gabriel Gold Silver III. Partner of Choice in Peru Head Office Yumpaq Marcapunta Norte-Sur Yanacocha s Sulfides Coimolache s Sulfides Trapiche / El Faique San Gregorio Rio Seco (Cu As) Base Metals PROJECTS IV. Based in Peru

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50 Institutional Shareholders Liquidity 1 Van Eck Associates Corporation 5.11% New York (USA) Average Value Traded (1) : US$17,753,861 Average Number of trades (2) : 7,933 Average Value Traded (1) : US$ 473,751 Average Number of trades (2) : Azvalor Asset Management Fidelity Management & Research Franklin Templeton Investment Management 4.26% Madrid (Spain) 3.59% Boston (USA) 3.19% London (United Kingdom) 5 BlackRock Fund Advisors 3.18% San Francisco (USA) Notes: (1) Average daily value traded between 01/01/2017 and 06/08/2018. (2) Average daily number of trades between 01/01/2017 and 06/08/2018.

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54 Investor Relations Contact: Rodrigo Echecopar, (511)