Hecla Mining Company · NYSE:HL

Hecla Mining — Merger or Acquisition (April 2018)

14 slides from Hecla Mining's merger presentation, Apr 11, 2018

  1. Slide 1: Cautionary Statements

    Cautionary Statements xLonnex he. Hectal NYSE:HL (Cautionary Statement Regarding Forward Looking Statements ‘Sétements made ornfrmston proviedin fis preseisson at se notisiorca acs re brant ockingstnterents” wih he meaning oltiePrvae Secures gation ReformActof 1905 and "orwarclocknginormston” ain he

  2. Slide 2: Cautionary Statements: Additional Information About the Transaction

    Cautionary Statements xLonnex he. Hectal NYSE:HL Additional formation Abou the Transaction andWhereto Findit ‘This material relates io Hecl's proposedacauiston (ie "Transacton” of onde Shaes ofHecia’s common sock he “He's Shaes) issue in connecton wih the proposed Transaction maybe registered pursua

  3. Slide 3: Upside Grade Potential at Fire Creek

    Upside Grade Potential at Fire Creek rwongeet,, TEN Assumed 15% grads upside despite history of 98-530% increase NYSEHL Historical Results GRADE GRADE GRADE VEIN AuEq (Oz) AuEq (Oz) AuEq (Oz) Joyce 2.34 4.64 98% Karen 1.86 4.81 159% Vonnie 2.94 18.53 530% Main 2.21 5.41 145% Collection of undergroun

  4. Slide 4: Midas — Potential to the South

    Midas — Potential to the South Systematic vein orientations define new target in vicinity of mine NYSE:HL sone ostepete Partreeren ome aterm re oen hte cir th ‘OMC00300 rsh e.ier Ate Aoneussennte saom@estert ns ee Tanecisane osneamierents Seng anions elie Bitepe ae sme iatepcnae Tonecstonnen || omco

  5. Slide 5: Hollister Mine — near term targets

    Hollister Mine — near term targets Vein extensions and parallel structures Petes SaHcclal Mn Coun NYSE:HL Velvet South Zorfe” ~y r \ we. 1 é ~ 1 450,000 { eo \ Gloria Zone ieee S Potential / ‘Potential, ee ~< ¢ Optimization studies , i.e., + Gloria, UZ long hole stope option + Backfilling alternativ

  6. Slide 6: Hollister - Upside at Hatter Graben

    Hollister - Upside at Hatter Graben Potential of one vein = 1.1 million gold ounces; Multiple veins identified NYSE:HL pete MaHeclal Mn Coun west Hollister Mine 425k AuEq Oz Hatter Graben PLAN VIEW Ordovician a pac ee ean ai <2 |_One Vein Potential Pe H17-004@ j + ae pa-008 oat] 223] [Strike Length

  7. Slide 7: Greens Creek: Adding to the Known Trends

    Greens Creek: Adding to the Known Trends = “25h: Heaia Drilling expected to continue to convert resources into reserves NYSEHL Plan View — Q417 Drilling West Trends of _ Exploration Mineralization Deep 200 South Definition and Exploration Gallagher Definition OOD Fest

  8. Slide 8: Drift Autonomous Haulage In Operation

    985 Drift Autonomous Haulage In Operation’ Heaia Truck runs 24 hours a day; cost savings expected NYSE:HL 134 4h ce ee 985 Automated Drift 0 2o00n {8 EE Control room Loading 40-tonne autonomous Sandvik truck

  9. Slide 9: Casa Berardi: Open Pit Potential

    Casa Berardi: Open Pit Potential xo le Hesial Surface view showing potential series of open pits NYSE:HL ial CASA BERARDI MINE Fal Surface nfs HUGtULeS West Mine Principal Area Area Principal Pit 134 Pit Paaf Nl “ Zone projection Pl

  10. Slide 10: #4 Shaft Gives Access to the High Grade Zone

    #4 Shaft Gives Access to the High Grade Zoné Heaia At least 30 more years of mine-life expected NYSE:HL 20 Years 5 Past Mining 4 ORE GRADE VALUES *AgEq Grade (opt) Mine Face (Galena) 97.2 opt Silver 47.5% Lead 900'@ +24 opt AgEq #4 Shaft -10-

  11. Slide 11: Continuous Mechanical Cutting To Eliminate Drill/Blast

    Continuous Mechanical Cutting To Eliminate Drill/Blast Heclal Delivery late 2019: Could revolutionize the Lucky Friday Mn Coun NYSE:HL Could Improve Safety and Productivity Atlas Copco Test Mine 2016 3D Graphic of Remote Vein Miner -11-

  12. Slide 12: Underground Design Layout

    Underground Design Layout Ore haulage ramping up North Ramp. L <

  13. Slide 13: Francine Vein Polymetallic Potential

    Francine Vein Polymetallic Potential ee am Hecial Polymetallic mineralization traced for over 5,000 feet of strike length mse FRANCINE VEIN LONGITUDINAL SECTION eae RAT (Looking NE) Limit of Current . - Hugh Zone West Francine Vein Resource Target Area PROSPECTIVE FOR POLYMETALLIC MINERALIZATION $40

  14. Slide 14: Middle Vein Polymetallic Potential

    Middle Vein Polymetallic Potential Predicting a horizonal polymetallic zone below the oxide reserve pete MaHeclal Mn Coun NYSE:HL i aemey \ rl mipt 97 ZONE POLYMETALLIC MINERALIZATION 0.001 oziton gold and 10.2 oziton silver 3% Cu, 10% Pb, 18% Zn over 4.4ft © PROGRAMMED DRILL HOLE @ DRILL HOLE INTER

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