2018 Annual Financial and Operating Results Presentation Santander - - PowerPoint PPT Presentation

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2018 Annual Financial and Operating Results Presentation Santander - - PowerPoint PPT Presentation

2018 Annual Financial and Operating Results Presentation Santander Caribou Perkoa Rosh Pinah TSX: TV | www.trevali.com February 21, 2019 TSX: TV | www.trevali.com Cautionary Note Regarding Forward-Looking Statements: This


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TSX: TV | www.trevali.com

2018 Annual Financial and Operating Results Presentation

TSX: TV | www.trevali.com

Perkoa Rosh Pinah Santander Caribou

February 21, 2019

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Cautionary Note Regarding Forward-Looking Statements:

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This presentation contains “forward-looking information” (also referred to herein as “forward-looking statements”) under the provisions of applicable Canadian securities legislation. Generally, these forward-looking statements can be identified by the use of words such as “plans”, “expects”, “is expected”, “budget”, “scheduled”, “estimates”, “forecasts”, “intends”, “anticipates”, “believes” or variations of such words and phrases or statements that certain actions, events or results “may”, “could”, “would”, “might” or “will”, “occur” or “be achieved” or the negative connotation thereof. Forward-looking statements include, but are not limited to, those in respect of: the economic outlook for the mining industry; expectations regarding metal prices; the timing and amount of estimated future production; the current and planned commercial operations, initiatives and objectives in respect of certain projects of Trevali Mining Corporation (“Trevali” or “TV”), including the Perkoa, Caribou, Rosh Pinah and Santander mines (the “Mines”); the estimation of mineral reserves and mineral resources; the realization of mineral reserve estimates, changes in mineral resources and conversion of mineral resources to proven and probable mineral reserves; Trevali’s current and planned exploration initiatives; strategies and objectives in respect of the Mines; liquidity, capital resources and expenditures; sustainability and environmental initiatives and objectives; business development strategies and outlook; leverage metrics; debt repayment schedules; planned work programs and drilling programs in respect of the Mines; achieving projected recovery rates; anticipated mine life, recovery rates and

  • perating efficiencies; costs and expenditures, including capital and operating costs; costs and timing of the development of new deposits; off-take obligations;

targeted cost reductions; exploration and expansion potential; success of exploration activities; permitting and certification timelines; currency fluctuations; requirements for additional capital; government regulation of mining operations; environmental matters; closure obligations and unanticipated reclamation expenses; title disputes or claims; limitations on insurance coverage; the timing and possible outcome of pending litigation; Trevali’s intention to launch a normal course issuer bid and the timing, terms and conditions of any purchases thereunder; and other information that is based upon forecasts of future operational or financial results, estimates of amounts not yet determinable and assumptions of management. Forward-looking statements are necessarily based upon a number of factors and assumptions that, if untrue, could cause actual results, performance or achievements to be materially different from future results, performance or achievements expressed or implied by such statements. Assumptions have been made regarding, among other things: present and future business strategies and the environment in which Trevali will operate in the future, including commodity prices, anticipated costs and ability to achieve goals; Trevali’s ability to carry on its exploration and development activities; Trevali’s ability to meet its obligations under property agreements; the timing and results of drilling programs; the discovery of mineral resources and mineral reserves on Trevali’s mineral properties; the timely receipt of required approvals and permits, including those approvals and permits required for successful project permitting, construction and operation

  • f Trevali’s mineral projects; the costs of operating and exploration expenditures; Trevali’s ability to operate in a safe, efficient and effective manner; Trevali’s

ability to obtain financing as and when required and on reasonable terms; Trevali’s ability to continue operating; dilution and mining recovery assumptions; assumptions regarding stockpiles; the success of mining, processing, exploration and development activities; the accuracy of geological, mining and metallurgical estimates; no significant unanticipated operational or technical difficulties; maintaining good relations with the communities; no significant events or changes relating to regulatory, environmental, health and safety matters; certain tax matters; and no significant and continuing adverse changes in general economic conditions or conditions in the financial markets (including commodity prices, foreign exchange rates and inflation rates). Readers are cautioned that the foregoing list is not exhaustive of all factors and assumptions which may have been used.

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Cautionary Note Regarding Forward-Looking Statements (cont.):

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Forward-looking statements are subject to known and unknown risks, uncertainties and other important factors that may cause the actual results, level of activity, performance or achievements of Trevali and/or the Mines to be materially different from those expressed or implied by such forward-looking statements, including but not limited to, those in respect of: risks related to the integration of acquisitions; volatility of the price of zinc, lead, silver and other metals; international operations including economic and political instability in foreign jurisdictions in which Trevali operates; current global financial conditions; joint venture operations; actual results of current and planned exploration activities; actual results of drilling programs; discrepancies between actual and estimated production, mineral reserves and mineral resources, grade and metallurgical recoveries; failure to replace mineral reserves; mining operational and development risks; actual results of current reclamation activities; environmental policies and risks; conclusions of economic evaluations; changes in project parameters as plans continue to be refined; changes in the market, demand, supply and/or uses of zinc and copper; accidents; labour disputes; delays in obtaining governmental approvals or financing or in the completion of development or construction activities and other risks of the mining industry; inaccuracies or changes in the consolidated zinc production, exploration and operational guidance for the Mines; inaccuracies or changes in the analysis of the exploration potential of the Mines; failure to complete the work programs or drilling programs at the Mines; delays, suspensions or technical challenges associated with capital projects; risks relating to reliance on historical data; failure of plant, equipment or processes to operate as anticipated; inaccuracies or changes in the growth pipelines of the Mines; taxation risks; title risks; opposition from community or indigenous groups; compliance with laws, including environmental laws; exchange controls; higher prices for fuel, steel, power, labour and other consumables; political or economic instability and unexpected regulatory changes; as well as those factors discussed in the section entitled “Risk Factors” in Trevali’s most recent management’s discussion and analysis and annual information form available under Trevali’s profile on SEDAR at www.sedar.com. Although Trevali has attempted to identify important factors, assumptions and risks that could cause actual results to differ materially from those contained in forward-looking statements, there may be others that cause results not to be as anticipated, estimated or intended. There can be no assurance that such forward-looking statements will prove to be accurate, as actual results and future events could differ materially from those anticipated in such forward-looking

  • statements. Accordingly, readers should not place undue reliance on forward-looking statements. Forward-looking statements are based on the beliefs,

expectations and opinions of management on the date the statements are made and, accordingly, are subject to change. Trevali assumes no obligation to update any forward-looking statements that are included in this presentation, whether as a result of new information, future events or otherwise, except as required by law. Non-IFRS Measures This presentation refers to “EBITDA” (earnings before interest, taxes, depreciation and amortization), “Adjusted EBITDA”, “net debt”, “Adjusted working capital”, ”Operating Cost per tonne”, “C1 Cash Cost per pound” and “All-In Sustaining Cost”, which are financial performance measures with no standardized meaning under International Financial Reporting Standards (“IFRS”). Such non‐IFRS financial measures do not have any standardized meaning prescribed by IFRS and are therefore unlikely to be comparable to similar measures presented by other issuers. Management uses these measures internally to evaluate the underlying

  • perating performance of Trevali for the relevant reporting periods. The use of these measures enables management to assess performance trends and to

evaluate the results of the underlying business of Trevali. Management understands that certain investors, and others who follow Trevali’s performance, also assess performance in this way. Management believes that these measures reflect Trevali’s performance and are better indications of its expected performance in future periods. This data is intended to provide additional information and should not be considered in isolation or as a substitute for measures of performance prepared in accordance with IFRS. For further detail, see “Non-IFRS Measures” in Trevali’s Management’s Discussion and Analysis for the year ended December 31, 2018. The information presented herein was approved by management of Trevali on February 20, 2019.

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Trevali Mining – 2018 Q4 and Annual Results Overview

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TSX: TV | www.trevali.com 2018 Annual Summary ▪ 2018 annual production of 407 million lbs payable Zn, 42 million lbs payable Pb and 1.3 million ozs payable Ag ▪ Annual consolidated C1 Cash Cost of $0.77/lb (AISC $0.96/lb) ▪ Achieved annual zinc production guidance tabled at the beginning of 2018 ▪ EBITDA1 of ($177) million and annual net loss of $231 million or ($0.27) per share due to non-cash net impairment charge of $263 million, Adjusted EBITDA3 of $137 million ▪ Maintained strong liquidity – $65 million cash, Adjusted working capital4 of $149 million and $129 million available on RCF Our Strategy ▪ Continue to optimize existing operations, implement best practices, reducing costs and increasing efficiencies ▪ Add value through exploration to extend mine lives, with 2019 focus on Perkoa and Santander ▪ Deploy cash towards accretive investments and evaluate organic growth opportunities: ▪ Exploration and operating investments ▪ NCIB initiated in Q4-2018 and repurchased 12.7 million shares ▪ Debt reduction ▪ Organic growth and optimization opportunities, including RP2.0 and Bathurst Life of Mill Strategy Q4-2018 Summary ▪ Q4 production of 102.7 million lbs payable Zn; Average C1 Cash Cost of $0.90/lb ▪ Higher Q4 revenues reflect increased concentrate sales due to shipment carry-over from Q3 ▪ Moderate $2 million positive provisional pricing impact as zinc prices were relatively stable in Q4 ▪ Non-cash impairment of $312 million ▪ Quarterly Adjusted EBITDA1 of $41 million and Adjusted Earnings per Share of $0.012

1. EBITDA (earnings before interest, taxes, depreciation and amortization) is calculated by considering Company's earnings before interest payments, tax, depreciation and amortization are subtracted for any final accounting of its income and expenses. The EBITDA of a business gives an indication of its current operational profitability and is a non-IFRS measure calculated on 100% basis. See “Non-IFRS Measures” above. 2. Adjusted Earnings per Share consists of (loss) income per share less the impact of impairments or reversals of impairment and other non-cash expenses or recoveries. See “Non-IFRS Measures” above. 3. Adjusted EBITDA consists of EBITDA less the impact of impairments or reversals of impairment and other non-cash expenses or recoveries. See “Non-IFRS Measures” above. 4. The Adjusted working capital reclassifies management’s estimate of the Revolving Credit Facility to non-current liabilities. See “Non-IFRS Measures” above.

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Trevali – Q4-2018 and 2018 Annual Consolidated Results

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1. “C1 Cash Cost per pound” and “Operating Cost per tonne” are non-IFRS measures. See “Non-IFRS Measures” above. 2. Revenues include prior period adjustment and is calculated on a 100% basis.

($ millions, except per-share amounts) Q4-2018 Q4-2017 2018 2017 Revenues $123.4 $188.8 $402.6 $330.5 Income from mining operations $29.2 $37.9 $77.7 $86.1 Net (loss) income ($251.8) $25.2 ($230.6) $20.2 Basic (loss) income per share ($0.29) $0.03 ($0.27) $0.03

Consolidated Financial Results

Q4-2018 Q4-2017 2018 2017 Tonnes Mined 723,384 832,878 2,973,669 2,128,018 Tonnes Milled 737,496 818,690 3,054,768 2,250,464 Payable production: Zinc (Mlbs) Zinc (tonnes) 102.7 46,600 104.8 47,500 406.9 184,600 225.1 102,100 Lead (Mlbs) Lead (tonnes) 9.7 4,400 13.5 6,100 41.7 18,900 45.8 20,800 Silver (Mozs) 0.3 0.4 1.3 1.6 C1 Cash Cost per lb(1) $0.90 $0.81 $0.77 $0.69 All-in Sustaining Cost per pound(1) $1.15 $0.98 $0.96 $0.88 Operating Cost per tonne(1) $77 $68 $68 $57

2018 Q4 and Annual Consolidated Production Statistics

Q4-2018 Q4-2017 2018 2017 Zinc Concentrate (DMT) 141,550 151,173 448,402 271,043 Lead Concentrate (DMT) 14,344 20,701 49,792 59,518 Zinc (Mlbs) Zinc (tonnes) 124.1 56,300 139.2 63,200 403.3 183,000 244.3 110,800 Lead (Mlbs) Lead (tonnes) 10.7 4,900 19.0 8,600 39.9 18,100 50.6 23,000 Silver (Mozs) 0.3 0.5 1.2 1.6 Revenues (millions)(2) $123.4 $188.8 $402.6 $330.5

Consolidated Sales Statistics

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Trevali – 2018 Operational Results

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▪ Produced 407 Mlbs of payable Zn, achieving initial 2018 payable Zn production guidance of 400-427 Mlbs payable Zn ▪ Zn guidance was revised to 392 – 418 Mlbs payable Zn on November 7, 2018 ▪ Operating Cost1 of $68/t came in slightly above original 2018 guidance of $60 - $66/t ▪ Guidance was revised to $65 - $68/t on November 7 ▪ C1 Cash Cost1 of $0.77/lb Zn came in slightly above 2018 guidance of $0.67-0.73/lb

*Adjustment factor required to account for 2018 actual production distribution between sites

63 2.9 1.6 (0.5) 68 0.8 0.71 0.014 0.029 0.029 (0.029) 0.77

Lower end of Zn production guidance as originally stated

  • n January 15, 2018

Upper end of site cash cost guidance as originally stated

  • n January 15, 2018

Upper end of C1 cash cost guidance as originally stated

  • n January 15, 2018

0.025 1. “C1 Cash Cost per lb” and “Operating Costs per Tonne” are non-IFRS measures. See “Non-IFRS Measures” above.

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Trevali – 2019 Production Outlook

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Mine 2019 Zinc Production 2019 Lead Production 2019 Silver Production Perkoa (100%)2 151 – 168 Mlbs 68 – 76 ktonnes N/A N/A Rosh Pinah (100%)2 80 – 89 Mlbs 36 – 40 ktonnes 10 – 11 Mlbs 4 – 5 ktonnes 145 – 161 k ozs Caribou 71 – 79 Mlbs 32 – 36 ktonnes 24 – 27 Mlbs 11 – 12 ktonnes 641 – 713 k ozs Santander 59 – 65 Mlbs 27 – 29 ktonnes 10 – 11 Mlbs 4 – 5 ktonnes 536 – 595 k ozs Total 361 – 401 Mlbs 163 – 181 ktonnes 44 – 49 Mlbs 19 – 22 ktonnes 1,322 – 1,469 k ozs

(1) Constitutes forward-looking information; see “Cautionary Note Regarding Forward-Looking Statements”. (2) Trevali’s ownership interest is 90% of Perkoa and 90% of Rosh Pinah.

2019 Consolidated Production Guidance (1&2) 2019 Consolidated Operating Cost and Capital Expenditure Guidance (1&2)

Mine Operating Cost ($ per tonne) C1 Cash Cost ($/lb Zn) All-in Sustaining Cost ($/lb Zn) Capital Expenditures ($M) Perkoa (100%)2 106 – 117 0.84 – 0.92 0.91 – 0.99 11 Rosh Pinah (100%)2 56 – 63 0.70 – 0.77 0.99 – 1.09 26 Caribou 72 – 79 0.95 – 1.02 1.15 – 1.28 16 Santander 45 – 49 0.71 – 0.78 1.02 – 1.13 21 Exploration – – – 8 Total 69 – 76 0.81 – 0.88 0.99 – 1.09 82

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Trevali – 2018 Non-Cash Impairments

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Trevali completed an impairment analysis which considered the indicators of impairment in accordance with IAS 36: Impairment of Assets; and reduced the carrying value of its mine operations by a net $263 million (comprised of $311.8 million impairment of property, plant and equipment, goodwill and exploration and evaluation assets and deferred tax recovery of $48.8 million). The Company is fully compliant with its debt covenants following the impairment. Impairment Areas of particular significance in the carrying value review included:

  • A review of commodity price and foreign exchange rate assumptions;
  • A review of operating cost assumptions taking into account the most recent cost performance as a result of managing

geotechnical challenges at Caribou, the harder ore and head grade challenges at Rosh Pinah, as well as overall inflationary cost pressures across the Company’s assets.

  • A review of capital expenditure at each of the mines;
  • A review of the exploration and undeveloped assets within the Company’s portfolio including: Halfmile, Stratmat and

Gergarub, on the back of the longer-term street consensus metal pricing; and

  • Trevali’s financial position remains healthy and the Board and management remain committed to investing in assets to

improve future cash flows and creating a strong platform to build future shareholder value. Impairment Summary (US$ mm) Property, plant and equipment Perkoa 40.9 Caribou 69.2 Santander 88.4 Goodwill 61.8 Exploration and evaluation assets 51.5 Impairment 311.8 Deferred income tax recovery (48.8) Net impairment 263.0

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Trevali – Strong Financial Position

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▪ December 31, 2018 ▪ $65.5 million cash & equivalents ▪ $132.4 million total debt ▪ $67 million net debt1 ▪ $149 million in Adjusted working capital2 ▪ Amended Credit Facility effective September 18, to $275 million ▪ $136.5 million drawn as at December 31, 2018 ▪ No principal repayments required until maturity in September 2022 ▪ Trevali is fully compliant with all debt covenants and maintains support of the full lending syndicate ▪ Implemented a Normal Course Issuer Bid for up to C$20 million: ▪ Company has repurchased and cancelled 12.7 million shares for $3.5 million (C$4.7 million)

1. “Net debt” is a non-IFRS measures. Please see “Non-IFRS Measures” above. 2. The Adjusted working capital reclassifies management’s estimate of the Revolving Credit Facility to non-current liabilities. See “Non-IFRS Measures” above.

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TSX: TV | www.trevali.com Location Burkina Faso (150 km west of Ouagadougou) Ownership 90% Trevali, 10% Government of Burkina Faso Type of deposit Volcanogenic Massive Sulphide (VMS) Mining Underground - Transversal and retreat Processing Concentrator plant with crushing, milling, flotation, thickening and filtration End product Zn concentrate Infrastructure 2,000 tpd underground mining operation and processing mill Current mine life 5 years1; remains open, drilling ongoing

Perkoa Mine

Burkina Faso

Perkoa Mine

Primary metal

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(1) As of Dec 31/2017

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(1) C1 Cash Cost per pound, All-In Sustaining Cost per pound and Operating Cost per tonne are non- IFRS measures. See “Non-IFRS Measures” above. (2) Revenues include effects of settlement adjustments on sales from prior quarters, smelting, refining and freight, and is calculated on a 100% basis.

Perkoa Mine – Q4-2018 Operational Review

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Q4-2018 2018 Tonnes Mined 161,815 708,263 Tonnes Milled 185,662 724,995 Average Head Grades: Zinc (%) 15.4 14.9 Average Recoveries (%): Zinc 90.0 91.8 Concentrate Produced DMT (dry metric tonnes): Zinc 51,927 197,141 Concentrate Grades: Zinc (%) 49.6 50.3 Payable Production: Zinc (Mlbs) Zinc (tonnes) 47.6 21,600 184.0 83,500 C1 Cash Cost per pound(1) $0.88 $0.80 All-In Sustaining Cost per pound(1) $1.13 $0.91 Operating Cost per tonne (1) $118 $105

Perkoa Mine Production Results (100% basis)

Q4-2018 2018 Zinc Concentrate (dry metric tonnes) 57,769 194,770 Payable Sales: Zinc (Mlbs) Zinc (tonnes) 52.7 23,900 182.5 82,800 Revenues, net (millions)(2) $48.1 $162.5

Perkoa Mine Sales Results (100% basis)

▪ Q4 payable production of 47.6 million lbs of payable Zn ▪ Annual payable zinc production of 184 million lbs, exceeding 2018 guidance that was increased twice over the year ▪ Zn concentrate production exceeded expectations

▪ Strong mill availability ▪ Continued high grades in 2018 (avg. 14.9%)

▪ Annual Operating Cost of $106/t, within 2018 guidance of $103 - $113/t ▪ $9 million Heavy Fuel Oil Generator installation underway with commissioning expected in early

  • 2019. Operating costs savings of ~$5/t expected

▪ Regional exploration drill program commenced in Q4 testing two new VMS systems

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TSX: TV | www.trevali.com Location

Namibia (600 km south of Windhoek)

Ownership

90% Trevali, 10% Namibian Empowerment Partners

Type of deposit

Sediment hosted massive sulphide

Mining

Underground – Sub-level open stoping

Processing

Concentrator plant with crushing, milling, flotation, thickening and filtration

End product

Zn concentrate and Pb-Ag concentrate

Infrastructure

2,000 tpd underground mining operation and processing mill

Current mine life

12 years1; remains open, drilling ongoing

Rosh Pinah Mine

Namibia

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Rosh Pinah Mine

AFRICA NAMIBIA

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Primary metal By-product metals

(1) As of Dec 31/2017

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Rosh Pinah Mine – Q4-2018 Operational Review

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(1) C1 Cash Cost per pound, All-In Sustaining Cost per pound and Operating Cost per tonne are non- IFRS measures. See “Non-IFRS Measures” above. (2) Revenues include effects of settlement adjustments on sales from prior quarters, smelting, refining and freight charges, and is calculated on a 100% basis.

▪ Q4 payable production of 25.4 million lbs of payable Zn and 1.5 million lbs of payable Pb ▪ Metal production increased in H2-2018 as planned as mine sequencing moved into higher-grade stopes ▪ Zinc production in line with Q3 with lower mill tonnage

  • nce again offset by higher grades. Harder ore from

the new Western Ore Field necessitated a reduction in mill throughput. ▪ Over the past couple

  • f

months, an improved understanding of the Western Ore Field (approx. 82%

  • f current reserves) combined with enhanced ore

blending strategies is now delivering more consistent and predictable operating performance. ▪ RP2.0

  • ptimization

study undergoing PFS given attractive rate

  • f

return and upside

  • ptionality.

Completion expected H2-2019.

Q4-2018 2018 Tonnes Mined 158,354 627,295 Tonnes Milled 149,201 641,980 Average Head Grade: Zinc (%) Lead (%) Silver (oz/t) 10.9 0.8 0.4 9.2 1.0 0.5 Average Recoveries (%): Zinc Lead Silver 85 65 53 87 65 47 Payable Production: Zinc (Mlbs) Zinc (tonnes) 25.4 11,500 94.2 42,700 Lead (Mlbs) Lead (tonnes) 1.5 680 8.5 3,900 Silver (Mozs)

  • 0.1

C1 Cash Cost per pound(1) $0.91 $0.70 All-In Sustaining Cost per pound (1) $1.11 $0.90 Operating Cost per tonne(1) $71 $59

Rosh Pinah Mine Production Results (100% basis)

Q4-2018 2018 Zinc Concentrate (dry metric tonnes) 45,528 103,313 Lead Concentrate (dry metric tonnes) 5,891 11,279 Payable Sales: Zinc (Mlbs) Zinc (tonnes) 39.1 17,700 91.4 41,500 Lead (Mlbs) Lead (tonnes) 3.3 1,500 7.7 3,500 Silver (Mozs)

  • 0.1

Revenues, net (millions)(2) $36.9 $92.0

Rosh Pinah Mine Sales Results (100% basis)

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TSX: TV | www.trevali.com Location Bathurst Mining Camp, New Brunswick, Canada Ownership 100% Trevali Type of deposit Volcanogenic Massive Sulphide (VMS) Mining Underground - Modified Avoca (cut-and-fill) Processing Concentrator plant with crushing, milling, flotation, thickening and filtration End product Zn concentrate and Pb-Ag concentrate Infrastructure 3,000 tpd processing mill; 2,600 - 2,700 tpd underground mine Current mine life 6 years1; remains open, drilling ongoing

Bathurst Mining Camp Operations

New Brunswick, Canada

CANADA NEW BRUNSWICK

Primary metal

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Caribou Mine

By-product metals

(1) As of Dec 31/2017

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Caribou Mine – Q4-2018 Operational Review

(1) C1 Cash Cost per pound, All-In Sustaining Cost per pound and Operating Cost per tonne are non-IFRS

  • measures. See “Non-IFRS Measures” above.

(2) Revenues include effects of settlement adjustments on sales from prior quarters and smelting, refining and freight charges.

15 ▪ Q4 production of 13.7 million lbs of payable Zn, 5.5 million lbs of payable Pb and 100 koz of payable Ag, reflecting reduced production levels due to adverse conditions experienced in two mining zones resulting in the loss of some production ▪ Targeting a return to normal mining rates in Q2/19 ▪ Engineering studies are on-going to evaluate lower-cost alternative mining methods

Caribou Mine Production Results Caribou Mine Sales Results

Q4-2018 2018 Tonnes Mined 184,635 887,141 Tonnes Milled 174,180 884,529 Average Head Grade: Zinc (%) Lead (%) Silver (oz/t) 6.0 2.3 1.9 5.9 2.3 2.0 Average Recoveries (%): Zinc Lead Silver 73 68 38 76 62 36 Payable Production: Zinc (Mlbs) Zinc (tonnes) 13.7 6,200 72.0 32,700 Lead (Mlbs) Lead (tonnes) 5.5 2,500 25.3 11,500 Silver (Mozs) 0.1 0.7 C1 Cash Cost per pound(1) $1.28 $0.85 All-In Sustaining Cost per pound(1) $1.93 $1.14 Operating Cost per tonne(1) $90 $68 Q4-2018 2018 Zinc Concentrate (dry metric tonnes) 18,637 85,554 Lead Concentrate (dry metric tonnes) 5,831 30,948 Payable Sales: Zinc (Mlbs) Zinc (tonnes) 15.0 6,800 72.9 33,100 Lead (Mlbs) Lead (tonnes) 4.6 2,100 24.4 11,100 Silver (Mozs) 0.1 0.7 Revenues, net (millions)(2) $17.7 $82.9

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TSX: TV | www.trevali.com Location

Peru (approx. 200 km northeast of Lima)

Ownership

100% Trevali

Type of deposit

Carbonate Replacement Deposit (CRD)

Mining

Underground - Modified Avoca (cut-and-fill)

Processing

Concentrator plant with crushing, milling, flotation, thickening and filtration

End product

Zn concentrate and Pb-Ag concentrate

Infrastructure

2,000 tpd underground mining operation and processing mill

Current mine life

3 years1; remains open, drilling ongoing

Santander Mine

Peru

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Primary metal By-product metals

(1) As of Dec 31/2017

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Santander Mine – Q4-2018 Operational Review

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(1) C1 Cash Cost per pound, All-In Sustaining Cost per pound and Operating Cost per tonne are non-IFRS measures. See “Non-IFRS Measures” above. (2) Revenues include effects of settlement adjustments on sales from prior quarters and smelting, refining and freight charges.

▪ Q4 payable production of 16 million lbs of payable Zn, 2.7 million lbs of payable Pb and 200 koz of payable Ag ▪ Achieved 2018 annual zinc production guidance ▪ Record monthly production in December with quarterly zinc production 19% higher than the third quarter ▪ Delivered its lowest operating costs for the year ▪ Transitioned to fully owner operated in Q4 2019 ▪ Well positioned for production in 2019 with all development in place for the year

Santander Mine Production Results Santander Mine Sales Results

Q4-2018 2018 Tonnes Mined 218,580 750,970 Tonnes Milled 228,454 803,265 Average Head Grade: Zinc (%) Lead (%) Silver (oz/t) 4.3 0.7 1.1 4.3 0.6 0.9 Average Recoveries (%): Zinc Lead Silver 89 80 62 89 80 61 Payable Production: Zinc (Mlbs) Zinc (tonnes) 16.0 7,300 56.8 25,800 Lead (Mlbs) Lead (tonnes) 2.7 1,200 7.9 3,600 Silver (Mozs) 0.2 0.5 C1 Cash Cost per pound(1) $0.59 $0.72 All-In Sustaining Cost per pound(1) $0.63 $0.99 Operating Cost per tonne(1) $33 $43 Q4-2018 2018 Zinc Concentrate (dry metric tonnes) 19,616 64,764 Lead Concentrate (dry metric tonnes) 2,621 7,564 Payable Sales: Zinc (Mlbs) Zinc (tonnes) 17.3 7,800 56.5 25,600 Lead (Mlbs) Lead (tonnes) 2.8 1,300 7.8 3,500 Silver (Mozs) 0.2 0.5 Revenues, net (millions)(2) $20.6 $65.2

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Rosh Pinah Deposit Bathurst Mining Camp Santander CRD System Perkoa VMS Belt

Trevali Exploration Update

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Successful exploration & discovery:

Tier One Zn deposit (tonnage/grade) in an underexplored major Zn district. Ongoing underground exploration continues to extend the Western Orefield. In-mine and regional discovery drill program in progress. Control 6 deposits in one of the world’s larger VMS Districts. Unlocking the project pipeline with potential to provide +20 years of mine to mill strategy. Pipe Target – multiple high grade Zn lenses intersected and continuing to extend the high-grade zones at depth. Property scale multi- disciplinary targeting identifies additional hydrothermal centres – follow up exploration in progress Perkoa resource expansion drilling continued to extend high-grade zinc hangingwall. Continue to test the depth and lateral extents of Perkoa system. Regional exploration confirms presence of two new VMS systems – drill testing in progress. ➢ Aim is to expand and discover new mineral resources adjacent to existing mine infrastructure, replace mined inventory, grow sustainable production, extend expected mine life and ultimately, contingent on success, provide production growth optionality to the operations. ➢ Exploration drilling at Trevali’s four mines totaled approximately 28,000 metres during Q4; 70,000m total year 2018 ➢Proven exploration team – lower quartile discovery costs providing strong leverage for generating shareholder value. ➢All deposits remain open for expansion, 2019 drilling program:

➢ ~22,000m brown-field near mine drilling to increase Life Of Mines (LOM) ➢ ~20,000m green-field high priority exploration drill targets for possible growth

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Perkoa Exploration Q4-2018

Plan Map - Showing areas worked in Q4 and targets

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VMS Horizon HW Horizon

PX18003a – ‘Mother Hole’

Perkoa Granodiorite Extent Perkoa Vertical Section - HW Directional Drilling Q4

Regional: Value Creation

New VMS systems identified confirming that Perkoa is not an isolated deposit.

  • AF1: Mineral system analysis suggests larger

hydrothermal system then Perkoa – drill testing ongoing.

  • 2 regional drill rigs tested 3 targets along the permissive

Perkoa horizon.

  • 2,772m of Air Core drilling, generating new regional drill

targets.

  • 2019 Q1: Continue drill testing regional targets.

Targets Drilled Q4 2018 High Priority for follow up

Perkoa Mine: Value Add

  • Continued to test the depth extent of the Perkoa Mine

using directional drilling.

  • Deposit remains open at depth, following up on newly

developed geochemical anomalies.

  • 2019 Q1: Deep penetrating EM geophysics planned to

asses near mine area.

300m

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Santander Exploration Q4-2018

Value Add:

  • Pipe – continuing to extend the high-grade Zn targets at

depth.

  • Multiple high grade lenses intersected
  • Q1-2019: drill test large EM anomaly spatially

associated with and to the west of the Pipe.

Value Recognition and Creation:

  • 7 distinct hydrothermal centers defined multiple targets

with potential for polymetallic replacement and vein type mineralization

  • For example the Blato target where two drill holes

intersected skarn and minor to moderate sulphide replacement and Qtz-Mo veining.

HG Pipe Section looking North

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Blato Section looking North

300m

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Value Add - Western Orefield Resource Extension

  • Ongoing underground exploration continues to extend

and define the emerging NW extension in the Western Orefield.

  • Rosh Pinah deposit re-targeted from first principles and

known deposits exhibit strong plunge suggesting excellent potential to discover new extensions in an areas previously considered geologically closed.

Rosh Pinah Exploration Q4-2018

EXT – WF3

WF3

EF1

POTENTIAL EXT - EF1

SF1

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Value Recognition and Creation:

  • Regional discovery drill program has commenced,

with 6 holes completed testing 4 targets. Majority of the holes intersected hydrothermal alteration with associated sulphide mineralization (pyrrhotite dominated). Confirms there are other systems in the belt to be discovered.

  • Successful trial of Fluxgate ground EM over known

mineralisation - new technique to be applied to the belt.

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Q4-2018/Year-end Summary

▪ Diversified production base delivered operating stability ▪ Achieved 2018 zinc production guidance of over 400 million lbs ▪ Total cash position of $65 million and Adjusted working capital1 of $149 million ▪ Total debt of $132 million and net debt of $67 million ▪ Additional liquidity of $129 million available on the revolving credit facility ▪ Continue to optimize existing operations and look for ways to reduce costs and increase efficiencies ▪ Exploration programs remains a key value driver, continuing drilling on new VMS targets at Perkoa & expanding the Santander Pipe ▪ Continue to evaluate organic growth opportunities at both Rosh Pinah and in the Bathurst Mining Camp ▪ Launched Normal Course Issuer Bid for up to C$20 million, have purchased back and cancelled 12.7 million shares

  • 1. The Adjusted working capital reclasses management’s estimate of the long term portion of the Revolving Credit Facility. See “Non-IFRS Measures” above.

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Trevali Mining Corporation

Suite 1400-1199 West Hastings Street Vancouver, BC, V6E 3T5, CANADA Tel: 1-604-488-1661 Fax: 1-604-629-1425 www.trevali.com

A member of the

Steve Stakiw

Vice President, Investor Relations and Corporate Communications sstakiw@trevali.com Direct phone:1-604-638-5623