Itronics Inc · OTC:ITRO
Itronics — Investor Presentation (May 2026)
18 slides from Itronics's investor presentation, May 1, 2026
Slide 1: Rock Kleen Tailings Recovery Process
TRONICS A Cleantech GOLD'n GRO Fertilizer, Silver, and Mineral Producer R O CK KL EE N TA I L I N GS R EC OV ER Y PR O CES S MAY 1, 2026 AWARD WINNING ‘ZERO WASTE ENERGY SAVING’ TECHNOLOGY
Slide 2: Safe Harbor Statement
SAFE HARBOR STATEMENT SAFE HARBOR STATEMENT "SAFE HARBOR" STATEMENT UNDER THE PRIVATE SECURITIES LITIGATION REFORM ACT OF 1995: THIS PRESENTATION CONTAINS OR MAY CONTAIN FORWARD-LOOKING STATEMENTS SUCH AS STATEMENTS REGARDING THE COMPANY'S GROWTH AND PROFITABILITY, GROWTH STRATEGY, LIQUIDITY AND ACC
Slide 3: Itronics Inc.
ITRONICS INC. ITRONICS INC. A CL EANTECH MATERIA LS COMPA NY A ND H OLD IN G COMPAN Y W ITH TW O W HO LL Y O WNED SU BSID IAR IES IT R O NI CS ME TA LL U R G I CA L , IN C. ( I MI) • M A N U F A C T U RE S GO L D ’ N GRO M U L T I - N U T RI E N T F ER T I L I Z E RS & RO C K K L E E N • RE C O V ER
Slide 4: Itronics Inc. – Cont'd
ITRONICS INC. – CONT’D WHIT NEY, INC. A CL EANTECH MATERIA LS COMPA NY A ND H OLD IN G COMPAN Y W ITH WHIT NEY & TW O W HO LL Y O WNED SU BSID IAR IES W H IT N EY & W HI TN E Y, I NC . ( W &W ) • P R O V I D E S T E C H N I C A L A N D A D M I N I S T RA T I V E S ER V I C E S • M A R K ET S RO C K
Slide 5: A New Global Reality
A NEW GLOBAL REALITY A NEW GLOBAL REALITY • Urbanization is driving the need for metals and critical minerals • Decarbonization is driving the need for a broader range of metals • Opportunities to source metals and minerals conventionally have become limited With Rock Kleen Technology ‘Mines Become
Slide 6: Tailings Recovery Process: Key features of Rock Kleen
ROCK KLEEN TAILINGS TAILINGS RECOVERY RECOVERY PROCESS ROCK KLEEN PROCESS Key features of Rock Kleen • Rock Kleen is a “green” Deep Eutectic Solvent (D.E.S.). • Rock Kleen recovers precious metals, base and ferrous metals, and mineral nutrients. Rock Kleen changes the • Rock Kleen recovers industria
Slide 7: Key features of Rock Kleen – Cont'd
ROCK KLEEN TAILINGS TAILINGS RECOVERY RECOVERY PROCESS ROCK KLEEN PROCESS Key features of Rock Kleen – Cont’d. • Rock Kleen saves energy by turning a waste product (tailings) into Rock Kleen changes the valuable products, avoiding new mining and the associated energy definition of ore and lowers cos
Slide 8: Tailings Recovery Process: Metals and minerals recovered
ROCK KLEEN TAILINGS TAILINGS RECOVERY RECOVERY PROCESS ROCK KLEEN PROCESS • Rock Kleen recovers residual gold, silver, and copper, as well as lead, nitrogen, sulphur, nickel, iron, and U.S. critical minerals, zinc, potassium (potash), and manganese. Rock Kleen changes the definition of ore and lower
Slide 9: Rock Kleen vs. Conventional
ROCK KLEEN VS. CONVENTIONAL Gold Mill Tailings Pond Zn Au Conventional N Clays Tailings Crushed stone Ag K Pb Sand Gold Mill Tailings Pond Au, Ag, Pb, Zn, Cu RK Leach and Percipitation Plant Nutrient Minerals K, N, Mn Industrial Minerals, crushed stone, sands, clays
Slide 10: Gold/Silver Recovery Benefits
ROCK KLEEN TAILINGS TAILINGS RECOVERY RECOVERY PROCESS ROCK KLEEN PROCESS Gold/Silver Recovery Benefits • Higher Recovery - Gold Recovery can go from 80% in heap leaches to 98% total recovery Rock Kleen changes the using Rock Kleen definition of ore and lowers - Silver recovery can go from 50% in he
Slide 11: Copper Recovery Benefits
ROCK KLEEN TAILINGS TAILINGS RECOVERY RECOVERY PROCESS ROCK KLEEN PROCESS Copper Recovery Benefits Rock Kleen changes the • High copper recovery percentages from tailings definition of ore and lowers • Move recoverable Copper pounds in tailings to the total the cut-off grade, thereby reserve ounces
Slide 12: Investor Benefits
ROCK KLEEN TAILINGS TAILINGS RECOVERY RECOVERY PROCESS ROCK KLEEN PROCESS Investor Benefits Rock Kleen changes the • Improved project profitability by increasing recovery percentages on higher recoverable ounces definition of ore and lowers the cut-off grade, thereby • Monetize tailings using a Clea
Slide 13: Social Benefits
ROCK KLEEN TAILINGS TAILINGS RECOVERY RECOVERY PROCESS ROCK KLEEN PROCESS Social Benefits • Eliminates mine tailings and legacy issues • Reduces the need for new industrial minerals quarries Rock Kleen changes the definition of ore and lowers • Simpler – quicker permitting by eliminating legacy issu
Slide 14: Rock Kleen Vision
ROCK KLEEN VISION ROCK KLEEN VISION B UI L DI N G R ESE R VE S BY E LI M IN AT IN G TAI LI N GS Mine Reserves increase through: • Converting tailings (waste) into a profitable reserve (recoverable metal & minerals) • In-Line processing at mines, Rock Kleen Systems increase recovery When Rock Kleen -
Slide 15: Rock Kleen Tailings Recovery Process: Status
ROCK KLEEN TAILINGS ROCK KLEEN VISION RECOVERY PROCESS Status – Tested and Validated; Ready to Advance • Extremely successful test results When Rock Kleen eliminates tailings – • Gold and Silver recovery from tailings at 85% to 92% respectively converting waste to beneficial use – • Identification o
Slide 16: Rock Kleen Tailings Recovery Process: Status
ROCK KLEEN TAILINGS ROCK KLEEN VISION RECOVERY PROCESS Status – Tested and Validated; Ready to Advance • The optimized gold/silver recovery is derived by using a combination of Rock Kleen followed by a potassium cyanide wash. When Rock Kleen eliminates tailings – • The tailings are then washed with
Slide 17: Rock Kleen Tailings Recovery Process test results
ROCK KLEEN VISION ROCK KLEEN TAILINGS RECOVERY PROCESS Silver Mine CN Shake Rock Kleen Ag Grade RK60 Leach % Only % Process % oz/st Recovery Recovery Recovery Test 1 1.92 57.81 79.84 Test 2 1.78 20.65 57.87 92.63 Test 3 1.76 20.02 63.07 90.91 Gold Mine Rock Kleen Au Grade RK60 Leach % Process % oz/s
Slide 18: Rock Kleen Tailings Recovery Process value recovered
ROCK KLEEN VISION ROCK KLEEN TAILINGS RECOVERY PROCESS Silver Mine Ag Grade CN Shake RK60 Leach % Rock Kleen Only % Value Recovered Value Recovered Process % Value Recovered oz/st Recovery Recovery Recovery Test 2 1.78 20.65 $11.03 57.87 $30.90 92.63 $49.46 Test 3 1.76 20.02 $10.57 63.07 $33.30 90.9