Cameco Corporation · TSX:CCO

Cameco — Investor Presentation (July 2024)

35 slides from Cameco's investor presentation, Jul 30, 2024

  1. Slide 1: Investor Presentation

  2. Slide 2: Forward-looking information and IR contacts

    Please note that statements made in this handout, including statements regarding the outlook, company's objectives, projections, estimates, expectations or predictions, contain forward-looking information and statements within the meaning of applicable Canadian and U.S. securities laws. The company

  3. Slide 3: Company Overview: Vision and Strategy

    Energizing a clean-air world Company Overview Q2 2024 Vision and Strategy ae Energlting a clean-air world Centered on our values * Our vision is aligned with the world’s growing need for clean, affordable and secure energy solutions. + We believe our strategy of contracting discipline, rie eae opera

  4. Slide 4: Cameco Corporation

    Cameco Corporation Operating and invested across the nuclear fuel cycle ¢ Cameco Tier One Uranium Operations McArthur Key Lake World's Highest-Grade Uranium Mine Licensed Capacity (100%). 18M ibsiyr 25M Ibs/yr Favourable Market Fundamentals Cameco strategically positioned The World's Uranium Mine/Mi

  5. Slide 5: Net-zero Carbon Targets

    Net-zero Carbon Targets we Global attention on a triple challenge Energizing a clean-alr world Energy Poverty Thermal Replacement Electrifying Industry + Lift 1/3 of the global + Replace up to 80% of the * Global power grids must population out of energy current global grid running grow by electrify

  6. Slide 6: Global Focus on Clean Energy

    Global Focus on Nuclear is essential for the transition to a low-carbon economy - of climate change, providing safe, affordable, reliable, _ >140 countries Policymakers have set net-zero implementing targets, strategies to >9,000 increase supply businesses of responsibly have committed — sourced cri

  7. Slide 7: Growing Support for Nuclear

    Growing Support for Nuclear Bae Full-cycle demand continues to improve with ongoing policy support Energizing a clean-air world Second Quarter 2024 eC meco Tech Sector Needs Reliable Energy ..4 Nuclear represents the only carbon-free, reliable solution Energizing a clean-air wortd Estimated Electric

  8. Slide 8: Strong Nuclear Power Outlook

    Strong Nuclear Power Outlook © Cameco Increased term contracting, improving market prices Energizing a clean-air world Price Increases Growth from New Reactors Demand Increasing re Across the Fuel Cycle $19). —eeetitanm Spo mee Urano Term chino i 25 + Reversal of early be en 184%" Near-Term retireme

  9. Slide 9: Geopolitical Uncertainty

    Geopolitical Uncertainty ae. Security of supply driving shift in growth plans Enongicing e clasn-eicwerid 12% 2024 Uranium Niger Production ¢ A RUSSIA (estimate) Rest of World 1 55 M ibs Russia 2024 Conversion il Production Rest of World {estimate} 78% 5 4 Mkgu Russia 2024 Enrichment 36% Production

  10. Slide 10: Uranium Market Fundamentals

    * CO) Uranium Market Fundamentals we Driving contracting interest, moving toward replacement rate Energizing a clean-air world Utility Uncovered Uranium Requirements Supply Outlook is Uncertain ~ 2.1 billion Ib. through 2040 (~60% uncovered) Structural Primary & Secondary Supply Gap Milton Io. Us0s

  11. Slide 11: Operationally Flexible Supply

    + Productive capacity missing the long-term contracting cycle leads to value-destructive spot sales © Operationally Flexible Supply Cameco Align production with market opportunities and contracts Energizing a clean-air world + Spot is thinly-traded, one-time and discretionary + Multi-year requiremen

  12. Slide 12: Future Uranium Supply and Active Long-Term Contracting

    Future Uranium Supply © Cameco Production response challenges— proven producer advantages Energizing a clean-air world Cameco: —_ A proven producer Producers a a | with experience and Proven demonstrated assets Permitted Mine Proven Mine ing Industrial astructure Existing Mining Workforce E ik) Q Q

  13. Slide 13: Contracting Drives Supply

    Contracting Drives Supply Bae Tier-one supply to match commitments, new phase of supply discipline — Snersizing’ clean-sirwortd 2024 Li ed it Operation (M Ib, our share) ris seetont , McArthur River/Key 12.6 17.5 ake 18.@ 100% 25@100% [YAEL 1 (our share of tier-one Ek Cigar Lake 9.8 9.8 licensed 18

  14. Slide 14: Financial Strength

    Financial Strength Bit Risk managed financial discipline Energizing a clean-air world iauidity’ Maintain strong balance sheet Liquidity $362 Million a . ji 7 . ‘ Cash + With improving prices, transition to tier-one costs, and increasing production, expecting strong cash flow generation in 2024 + Nav

  15. Slide 15: Environment, Social, Governance

    Environment, Social, Governance Bd ESG integrated into all aspects of our business Energizing 3 clean-air world 100% of our product goes to producing carbon-free, base-load electricity Learn more > www. cameco.com/esg Second Quarter 2024 25 Our locations fo Global presence across the fuel cycle Ener

  16. Slide 16: Focus on Value

    Focus on Value ae. Well positioned for future demand with world-class, tier-one Assets Energizing a clean-air wortd Cameco’s Share 485 mins Proven & Probable 409 M Ibs Measured & Indicated i Resources v Extensive reserves and resources v Diversified supply v Decisions driven by contracting success 1

  17. Slide 17: Cigar Lake and JV Inkai

    Cigar Lake de World-class, high-grade uranium mine Proven and Probable Reserves! Average grade U0, 113.8 M Ibs 17.03% Cameco’s Share Production 2023 production: A) J pia 15.1M IDS (100% basis) 7 s Ne 2024 outlook: =z 7 = —F 18.0 M IDS (100% basis) Nig BA. 5% JV Inkai ¢ Cameco A significant source of

  18. Slide 18: Fuel Services Division and Westinghouse

    Blind River Refinery Port Hope Conversion Facility Cameco Fuel Manufacturing Inc. Cameco’s Share CS /) (100 0 — Fuel Services Division Refining, conversion and fuel manufacturing ¢ Cameco Energlting a clean-air world Production aed lo" iS 2023 production: 13.3 M KgU 2024 outlook: 13.5 - 14.5 M KgU W

  19. Slide 19: Westinghouse Acquisition: Strategic rationale

    Strategic rationale = Westinghouse Acquisition @ Cameco Energizing a clean-air wortd & Platform for Reliable and Secure Accretive on Participation Across Enhanced Strategic Growth Fuel Supplies Key Metrics Nuclear Fuel Cycle Financial Strength Strategic Partnership: Complements Expectedto be Expecte

  20. Slide 20: Exploration

    Exploration Focused on the most prospective trends in the Athabasca Basin Alberta ATHABASCA:-BASIN ¢ Cameco Energizing a clean-air world Significant land position * 650,000 hectares of Cameco and JV-operated properties History of exploration success « Uranium prospects and undeveloped deposits on do

  21. Slide 21: Additional Mine Information and Reference Figures

    Additional Mine Information and Reference Figures 21

  22. Slide 22: Athabasca Basin uranium deposit model

    ON DH onID euojspues erseqeyly ojey voResayy vogezyeseulw WwnuEl) japow yisodeq wniuein eoseqeuy i] winiuuet|W\ 22

  23. Slide 23: McArthur River - Raise Bore Mining System

    McArthur River - Raise Bore Mining System -—— Freezing __ Pilot hole ~. Reaming |) head Staggered raises VA aN \ : if, SS J _ Backfill cement by @ Cameco 23

  24. Slide 24: McArthur River - Underground Ore Processing

    McArthur River nd Freezing LIT McArthur River - Underground Ore Processing To ore loadout From raise bore on surface L__] — Grizzly screen Sorted ore Ore slurry Ore slurry hoisting pump Grizzly x hoisting pump Grinding mill mill ' [wo om Thickener 2) mae | 24

  25. Slide 25: Cigar Lake - Jet Bore Mining System

    Cigar Lake - Jet Bore Mining System (JBS) + Orebody frozen prior to mining Water jet + Ore removed using high-pressure water jet + Cavity monitored using survey equipment + Cavity backfilled with concrete + Ore slurry contained to control radiation, eliminate dust Blade screen Slurry sandstone minin

  26. Slide 26: Cigar Lake - Underground Ore Processing

    Cigar Lake - U nd Ore Processing From Jet Boring Machine To ore loadout on surface Ore slurry hoisting pump Ball mill i) .« w Clarifier mu »_| ROMs North ROM South ROM Cam trian Tunneling Method (NATM) + Overall time to develop a cross cut similar to tunnel boring - Adaptive ground support, varies w

  27. Slide 27: Freeze hole specifications

    Freeze hole specifications + 462 m long, overburden to ~40 m + ~8 - 10 days / drill hole + required accuracy of ~1.5 m + 100 - 120 holes / production panel Timeline + ~1.5 - 2 years to drill, outfit and activate a production panel + freezing takes 2 - 5 years, depending on hole spacing and ground co

  28. Slide 28: Inkai in-situ recovery process

    OOOUI) ®) = 119M Buono) Jayinbe 1aM0} 2 []2M uo INpold © r jjem uoNdafu| & sake} Suluyuod 42M0} at = sduuind BR | auojspues ayqyssowiqns =2h a eB 3SOH pue suaaing 23 SS ee 35 a a gs sake} 3 S= = Suiulyuod go Fy saddn ma 2. Ss ¢ B Fs 3 E 2 z & = s & 4 FF eS a | $ sjoaei3 pue £ sAej> ‘spues 3 Ey aiqea

  29. Slide 29: Mineral reserves

    Mineral reserves As of December 31, 2023 (100% – only the shaded column shows our share) PROVEN AND PROBABLE (tonnes in thousands; pounds in millions) OUR SHARE PROVEN PROBABLE TOTAL MINERAL RESERVES RESERVES MINING GRADE CONTENT GRADE CONTENT GRADE CONTENT CONTENT METALLURGICAL PROPERTY METHOD TONN

  30. Slide 30: Mineral resources

    Mineral resources As of December 31, 2023 (100% – only the shaded columns show our share) MEASURED, INDICATED AND INFERRED (tonnes in thousands; pounds in millions) OUR OUR MEASURED RESOURCES (M) INDICATED RESOURCES (I) SHARE INFERRED RESOURCES SHARE TOTAL M+I TOTAL M+I INFERRED GRADE CONTENT GRADE

  31. Slide 31: Caution About Forward-Looking Information

    Caution About Forward-Looking Information Statements contained in this presentation include statements and information about our expectations for the future. When we discuss our strategy, plans and future financial and operating performance, or other things that have not yet taken place, we are maki

  32. Slide 32: Forward-looking information assumptions and risks

    public perception of the safety of nuclear energy; our ability to continue to supply our products and services in the expected quantities and at the expected times; production levels; costs, including production and purchase costs; the success of our plans and strategies; market conditions and other

  33. Slide 33: Qualified persons

    Qualified persons The technical and scientific information discussed in this presentation for our material properties (McArthur River/Key Lake, Cigar Lake and Inkai) was approved by the following individuals who are qualified persons for the purposes of NI 43-101: MCARTHUR RIVER/KEY LAKE  Greg Murd

  34. Slide 34: Nuclear Fuel Cycle

    Nuclear Fuel Cycle Lies WaTBA REACTORS >>) i) 15] +6 1) 12 ) pe 13) 5 a ENRICHMENT CONVERSION OF FUEL LIGHT WATER beet io OF OF Urs ENRICHED FABRICATION REACTORS SPENT FUEL u _UFsinto Uo: fl STORAGE Global Laser Perea Westinghouse t-snalnaiy e © @ ® u aii EXPLORATION — MINING + MILLING REFINING U:0e

  35. Slide 35: Energizing a clean-air world

    Energizing a clean-air world

Cameco — Investor Presentation (July 2024) on 6ix