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SafetyWe manage the safety of our workers through programs, systems, and standards, with our Safety, Health, Environment and Quality (SHEQ) Policy providing overarching guidance. There are many aspects of the management system that contribute to a safe work environment, a few examples include:Risk assessments help identify issues and determine the appropriate controls; the corrective action process verifies that incidents and near misses are reported, tracked, investigated and shared with colleagues; and emergency preparedness and planning prepare us to respond to serious incidents.We have developed 12 corporate safety standards to help protect our workers from our most common hazards. Some standards guide our general safety practices, such as our job hazard analysis and our job task observation, and other standards deal with specific hazardous situations (similar to other companies’ life saving rules): such as fall protection, confined space entry, rigging and hoisting, and control of hazardous energy (also referred to as lockout/tagout).Routine audits are conducted to monitor compliance with regulations and our own requirements. These and other aspects of the management system are routinely examined to verify that they continue to be effective at keeping our workers safe.Radiation ProtectionRadiation risks are effectively managed at Rabbit Lake through a formal radiation protection program and dedicated personnel who ensure that doses to workers are as low as reasonably achievable. The program ensures that radiation protection is considered in the physical design of all facilities and operating procedures. It also provides for systematic monitoring of radiation in work areas and tracking the exposures of individual workers using a combination of monitoring devices and health testing. Radiation exposures at Rabbit Lake are far below the regulated limits.Environmental ProtectionAt Cameco, protection of the environment is one of our highest corporate priorities during all stages of our activities, from exploration through development, operations, decommissioning, and reclamation.We monitor our performance by tracking corporate and site-specific key performance indicators, conducting environmental monitoring programs, and regularly auditing our adherence to the requirements of these programs We use the information from all of our programs to help us to identify opportunities to improve.Environmental management systemWe have a ISO 14001-certified environmental management system used across our operating sites, which is supported by a corporate Environmental Management Program that outlines the operating requirements sites must meet. Our environmental management system encourages and promotes continuous adaptation of our practices based on new information and technologies.Environmental risk assessmentsWe complete environmental risk assessments to systematically identify, quantify, and to characterize the potential risks to the environment, workers, and the public. We use our environmental risk assessments to inform our decisions and actions. Additionally, we complete an iterative process, where required, to verify that our proposed measures to protect the environment and the public are effective. We review or update the assessments every five years, incorporating results from our environmental monitoring programs and other scientific advances.Environmental performance reportsFor our Saskatchewan operations, every five years we also compare monitoring data collected during the reporting period against predictions contained in approved environmental risk assessments or environmental assessments. By reviewing the data from the performance reports and conducting risks assessments, we are able to demonstrate that human health and the environment in the vicinity of our Saskatchewan operations remains protected. Results from these analyses are also used to inform changes to the environmental monitoring programs conducted at each operation.Corrective action processWe have a corrective action process in place to systematically investigate and address the causes of non-conformance to regulatory requirements or internal standards. The process includes classifying the non-conformance, assigning the appropriate level of investigation (dependent on incident significance), and tracking the recommended corrective actions to prevent and mitigate similar occurrences.AuditsTo support our culture of continuous improvement, our processes and operations undergo regular audits, including:Our environmental management system is audited by a third-party every three years as a requirement to maintain our ISO 14001 certification.Our SHEQ team conducts an internal audit of our SHEQ programs on a three-year cycle. The total audit scope is split in half and executed on a rotating basis. This means that all our sites undergo at least two audits to cover all aspects of our SHEQ programs within every three-year period. The audit follows the ISO 19001 process and encompasses our environmental and safety programs.We also maintain and implement an internal audit program at our corporate office. Results and recommendations from this systematic and documented process are presented to senior management, who are responsible for implementing them and correcting any deficiencies. The internal audit group reports to the audit and finance committee of the board.Environmental MonitoringComprehensive monitoring programs are in place at the Rabbit Lake operation to help protect the surrounding environment. Samples of water, air, soil, plants and fish are collected from numerous locations around the site and tested to confirm that environmental protection systems are effective. Monitoring results are submitted to federal and provincial regulatory authorities for review. Cameco also supports independent regional monitoring downstream of its Saskatchewan operations to ensure there are no cumulative effects on the regional watershed. The extensive monitoring undertaken at Rabbit Lake has identified no significant impact on the surrounding environment.

Our executive team

A strategy to achieve our visionOur uranium and fuel services products are used around the world in the generation of safe, carbon-free, affordable, base-load nuclear energy. As we seek to power a secure energy future, we do so in a manner that reflects our values. We are committed to identifying and addressing the environmental, social and governance (ESG) risks and opportunities that we believe may have a significant impact on our ability to add long-term value.We are a pure-play investment in the growing demand for nuclear energy. We are focused on providing nuclear fuel products and services across the fuel cycle to support the generation of clean, reliable, secure and affordable energy. Nuclear energy must be a central part of the solution to the world’s shift to a low-carbon, climate resilient economy. It is an option that can provide the power needed, not only reliably, but also safely and affordably, and in a way that will help avoid some of the worst consequences of climate change.Learn more about our business strategy

Cameco can provide dynamic, rewarding career opportunities in the uranium mining, milling and fuel services industry.Our values guide our business decisions and we place a safe, healthy and rewarding workplace at the top of our key measures of success.We employ a highly diverse workforce here in Saskatchewan and around the world.Why Cameco?Because we aim to:Recruit the best people who will understand and share our vision and values and who can help us effectively carry out our mission.Manage talent in relation to business needs.Manage employees’ performance constructively so they can work to the best of their abilities.Establish clear responsibilities and accountabilities for every employee.Offer competitive compensation and benefits.Develop leadership skills at all levels that reflect our corporate values, competencies and behaviours.Recognize employee contributions.Encourage creativity and sharing of ideas.Promote and support continuous learning and career development.Provide a safe and healthy working environment that is free from harassment and discrimination.Promote and support healthy lifestyles.Promote an inclusive and diverse workplace and respect cultural traditions in communities where we operate.Provide flexibility to help employees balance work and personal commitments effectively.Provide transparent and consistent employee programs, standards and procedures.Respect our employees’ privacy.Total rewardsOur total rewards include everything from competitive salaries and variable compensation to flexible benefits, career development and retirement funding support.Learn moreOur cultureBeyond Cameco's total rewards programs, we actively support a culture of excellence and integrity which is demonstrated each and every day by our people around the world.Learn moreA diverse workforceAt Cameco, we appreciate the true value of a diverse workforce and we embrace, encourage and support an inclusive and barrier-free work environment.Learn more

202420232024313620232588202420232024783202356220242023202426772023215320242023202479.70202367.31Financial HighlightsDecember 31($ millions except where indicated)20242023changeRevenue$3,136$2,58821%Gross profit78356239%Net earnings attributable to equity holders172361(52)%     $ per common share (diluted)0.390.83(53)%Adjusted net earnings (loss) (non-IFRS)1292339(24)%     $ per common share (adjusted and diluted)0.670.88(24)%Cash provided by continuing operations (after working capital changes)90568832%Uranium   Production volume (million lbs)23.417.633%Sales volume (million lbs)33.632.05%Average realized prices($US/lb)$58.34$49.7617% ($Cdn/lb)$79.70$67.3118%1 See the Non-IFRS measures section of our 2024 Q4 MD&A. In 2024, we revised our calculation of adjusted net earnings to adjust for unrealized foreign exchange gains and losses as well as for share-based compensation because it better reflects our operational performance. We have restated comparative periods to reflect this change.

 As we publish our most recent sustainability report, my hope is that it brings our company and our people to life. I hope you see that, as a responsible company focused on creating long- term sustainable value for all our stakeholders, we are taking the appropriate actions and making decisions to look after our employees, support our communities, and reduce our environmental impact.Looking back, I am personally most proud of the creative ways we have found to continue to build capacity in Saskatchewan’s north, where our mines and mills are located. During the year, we supported two new programs that help to build a pipeline of talent benefiting nearby communities and industry. First, we started a pre-trades training program for Residents of Saskatchewan’s North (RSNs). Ten candidates, all women, started their paid rotation at our Rabbit Lake mine where they learned about industrial and heavy-duty mechanics, carpentry, electrical, plumbing, and welding.Second, we partnered with Rise Air, a Saskatchewan-based airline, as well as industry and government, to create a training program for aspiring Indigenous pilots. In March of 2025, a celebration was held to recognize the achievements of nine students from northern Saskatchewan who successfully completed the ground school training and who will now proceed to flight training.In 2024, we continued to make progress on reducing our greenhouse gas (GHG) emissions. I am proud to report that absolute emissions are holding well below our 2015 base year levels, even as production increases. We will continue to invest in energy efficiency and look at process improvements that will reduce our energy consumption and associated emissions. As we worked to better understand emissions in our supply chain, we engaged with suppliers making up 59% of our Scope 3 emissions profile. What we heard is promising: some suppliers are already investing in fuel efficiency and upgrading their equipment so that they can reduce the emissions associated with their services. We continue to engage with suppliers to better understand how their decarbonization efforts impact Cameco’s emissions.I am also encouraged by the support we have from communities — 89% public support across all communities based on our surveys — and the generous ways our employees give back. These are the communities where our employees live, where many of our valued suppliers and contractors are based, and where we have long-standing partners and friends. These mutually beneficial relationships have been built upon decades of trust and willingness to have honest conversations. To give back, in 2024, together with our employees, we raised more than $1 million¹ through our Employee Giving Campaign. We also continued our support of the Cameco Riders Touchdown for Dreams program and have granted nearly 100 dreams for women living with a life-threatening cancer diagnosis. Additionally, we are providing $1.5 million in funding to the Boreal Healthcare Foundation to improve maternal and newborn care in Prince Albert and northern Saskatchewan.A lookback wouldn’t be complete without examining the areas where we are disappointed with our performance. Our safety performance has not improved over the last three years, and we missed our Total Recordable Injury Rate target in 2024. I am dissatisfied with these results, and I am all the more committed to see us make improvements this year. As we significantly added to our team to ramp up production at our McArthur River mine and Key Lake mill, we are keenly aware of the need for enhanced training and increased awareness. In 2024, we focused on ergonomics and fatigue prevention, provided safety leadership training to more than 120 supervisors, and ran a company-wide awareness campaign called ‘Everything Starts with Safety.’ I, along with other leaders from across the company, plan to be even more visible at our operations to reinforce the message that ‘no job is so important that you can’t take the time to do it safely.’Although the uncertainty surrounding tariffs and trade is increasing market volatility, I am optimistic about the future of nuclear energy, especially its ability to support energy reliability and security. The International Energy Agency forecasts that electricity demand will dramatically increase, particularly with the rise of electrification and the use of AI and hyperscalers providing cloud services. Our quality of life requires 24/7 dispatchable energy, and nuclear power can provide that. Conflict and geopolitical changes are forcing countries to re-examine their energy mix and their dependence on nations prone to instability for critical supplies. I firmly believe that nuclear power can support Canada’s energy security and decarbonization goals, and with our investments across the nuclear fuel and reactor life cycles, we can help our allies achieve their own energy security too.I am also confident in Cameco’s capabilities to take advantage of this nuclear resurgence. The positive returns we are seeing from Westinghouse are confirming that we made the right investment at the right time. Our customers are in more than 30 countries, and in addition to our uranium and fuel services capabilities, through our investment, we have augmented our fuel supply capabilities and can also now compete for the growing demand for new nuclear reactors and the reactor services needed to keep the global fleet operating safely and reliably. The new reactor announcements and reactor life extensions we are seeing demonstrates to us that others are feeling confident in nuclear power too.Looking forward, I want us to continue to safely produce uranium fuel in a way that our people are proud of. We remain committed to pursuing sustainability and providing a respectful workplace that is reflective of the communities where we operate.In closing, I want to thank our world-class team — we are nothing without our people. I am also thankful for the support of communities around our operations, and both our returning and new customers. Finally, I want to thank our board for their strong leadership to our company and the continued confidence in our management team.  Tim GitzelPresident and Chief Executive Officer 

SafetyWe manage the safety of our workers through programs, systems, and standards, with our Safety, Health, Environment and Quality (SHEQ) Policy providing overarching guidance. There are many aspects of the management system that contribute to a safe work environment, a few examples include:Risk assessments help identify issues and determine the appropriate controls; the corrective action process verifies that incidents and near misses are reported, tracked, investigated and shared with colleagues; and emergency preparedness and planning prepare us to respond to serious incidents.We have developed 12 corporate safety standards to help protect our workers from our most common hazards. Some standards guide our general safety practices, such as our job hazard analysis and our job task observation, and other standards deal with specific hazardous situations (similar to other companies’ life saving rules): such as fall protection, confined space entry, rigging and hoisting, and control of hazardous energy (also referred to as lockout/tagout).Routine audits are conducted to monitor compliance with regulations and our own requirements. These and other aspects of the management system are routinely examined to verify that they continue to be effective at keeping our workers safe.Radiation ProtectionRadiation risks are effectively managed at CFM through a formal radiation protection program and dedicated personnel who ensure that doses to workers are as low as reasonably achievable. The program ensures that radiation protection is considered in the physical design of all facilities and operating procedures. It also provides for systematic monitoring of radiation in work areas and tracking the exposures of individual workers using a combination of monitoring devices and health testing. Radiation exposures at CFM are far below regulatory limits.Environmental ProtectionAt Cameco, protection of the environment is one of our highest corporate priorities during all stages of our activities, from exploration through development, operations, decommissioning, and reclamation.We monitor our performance by tracking corporate and site-specific key performance indicators, conducting environmental monitoring programs, and regularly auditing our adherence to the requirements of these programs We use the information from all of our programs to help us to identify opportunities to improve.Environmental management systemWe have a ISO 14001-certified environmental management system used across our operating sites, which is supported by a corporate Environmental Management Program that outlines the operating requirements sites must meet. Our environmental management system encourages and promotes continuous adaptation of our practices based on new information and technologies.Environmental risk assessmentsWe complete environmental risk assessments to systematically identify, quantify, and to characterize the potential risks to the environment, workers, and the public. We use our environmental risk assessments to inform our decisions and actions. Additionally, we complete an iterative process, where required, to verify that our proposed measures to protect the environment and the public are effective. We review or update the assessments every five years, incorporating results from our environmental monitoring programs and other scientific advances.Corrective action processWe have a corrective action process in place to systematically investigate and address the causes of non-conformance to regulatory requirements or internal standards. The process includes classifying the non-conformance, assigning the appropriate level of investigation (dependent on incident significance), and tracking the recommended corrective actions to prevent and mitigate similar occurrences.AuditsTo support our culture of continuous improvement, our processes and operations undergo regular audits, including:Our environmental management system is audited by a third-party every three years as a requirement to maintain our ISO 14001 certification.Our SHEQ team conducts an internal audit of our SHEQ programs on a three-year cycle. The total audit scope is split in half and executed on a rotating basis. This means that all our sites undergo at least two audits to cover all aspects of our SHEQ programs within every three-year period. The audit follows the ISO 19001 process and encompasses our environmental and safety programs.We also maintain and implement an internal audit program at our corporate office. Results and recommendations from this systematic and documented process are presented to senior management, who are responsible for implementing them and correcting any deficiencies. The internal audit group reports to the audit and finance committee of the board.Environmental Incidents and Other Events​​Environmental incidents and other events are reported to regulatory agencies as required by federal and provincial regulations. This includes releases to the environment reportable to Ontario Ministry of Environment's Spills Action Centre.If you have questions about any of the items posted here, please contact us.Latest Incident or EventPosting DateApril 7, 2025 Incident DateApril 3, 2025  IncidentReportable Spill DetailsGroundwater was observed to be seeping from the access cover of a pumping well in the CFM Port Hope Parking lot and a small portion entered into the municipal catch basin, which ultimately discharges to Gages Creek. The total volume of untreated groundwater discharge is unknown but the flow rate was estimated at less than 1L/minute.There was no health or safety risk posed to the public, workers, or the environment by the release of groundwater. Corrective ActionCFM staff mobilized a collection system to pump excess water into a temporary holding tank and will monitor well levels and pump down as required. Two water samples were collected for sampling – one at the surcharging maintenance hole and one from the municipal catch basin. The Spills Action Centre, the Municipality of Port Hope, the CNSC Project Officer and the CNSC Duty Officer have been notified.  Cameco Environmental Effect Ratingno measurable impact to the environment1 Past ReportingPosting DateApril 7, 2025 Incident DateApril 3, 2025  IncidentReportable Spill DetailsGroundwater was observed to be seeping from the access cover of a pumping well in the CFM Port Hope Parking lot and a small portion entered into the municipal catch basin, which ultimately discharges to Gages Creek. The total volume of untreated groundwater discharge is unknown but the flow rate was estimated at less than 1L/minute.There was no health or safety risk posed to the public, workers, or the environment by the release of groundwater. Corrective ActionCFM staff mobilized a collection system to pump excess water into a temporary holding tank and will monitor well levels and pump down as required. Two water samples were collected for sampling – one at the surcharging maintenance hole and one from the municipal catch basin. The Spills Action Centre, the Municipality of Port Hope, the CNSC Project Officer and the CNSC Duty Officer have been notified.  Cameco Environmental Effect Ratingno measurable impact to the environment1Posting DateFebruary 21, 2025Incident DateFebruary 20, 2025IncidentFalse Fire AlarmDetailsAt approximately 12:05 p.m. the fire panel indicated an alarm for the Fuel Storage Building dry chemical system at CFM Port Hope. Site personnel performed a visual check on the exterior of the building and no smoke or flame were detected. The Port Hope Fire Emergency Services responded to the site and investigated the cause of the alarm. It was confirmed that there was no indication of fire and there was no release of the dry chemical suppression system. The incident is suspected to be a false alarm. There was no health or safety risk posed to the public or the environment.Corrective ActionEmergency Operations Centre (EOC) was activated. Site personnel safely evacuated and were accounted for. Port Hope Fire Emergency Services responded to the incident. The system has been put on an impairment (bypass). Cameco has notified the Canadian Nuclear Safety Commission.Cameco Environmental Effect Ratingno measurable impact to the environment1Posting DateSeptember 26, 2024Incident DateSeptember 26, 2024 IncidentFalse Fire Alarm (suspected)DetailsA fire alarm was activated in the fuel storage area at Cameco Fuel Manufacturing, automatically triggering a response from the Municipality of Port Hope Fire Services and Port Hope Police. Fire Services personnel inspected the area and confirmed that there was no indication of a fire, and this incident is suspected to be a false alarm.The cause of the alarm is under investigation.Corrective ActionThe Emergency Operations Centre was activated, workers were evacuated to the muster area and roll call taken. Personnel returned to work after all clear was given.The Canadian Nuclear Safety Commission has been notified.Cameco Environmental Effect Ratingno measurable impact to the environment1Posting DateJuly 22, 2024Incident DateJuly 11, 2024 IncidentFalse Fire Alarm DetailsA fire alarm was activated due to an automated signal received from the fire suppression system on one of the two pelleting areas of the dust control units. This signal automatically triggers a fire department response. Municipality of Port Hope Fire Services responded, walked the area and confirmed that there was no fire and that this was a false alarm.  Corrective ActionThe Emergency Operations Centre was activated, personnel were evacuated to the muster area and roll call taken. Personnel returned to work after the all clear was given.  The issue was related to a faulty notifier module in the CO2 fire suppression system which was replaced the following day. The Canadian Nuclear Safety Commission has been notified. Cameco Environmental Effect Ratingno measurable impact to the environmentLevel 2 Level2Posting DateMay 14, 2024Incident DateMay 13, 2024IncidentReportable SpillDetailsOn May 13, 2024, at 7:30 a.m., an overflow was observed from a groundwater treatment system maintenance hole cover in the CFM Port Hope parking lot. The groundwater flowed to the municipal storm sewer system, which discharges to Gages Creek. It is estimated that 100L of untreated groundwater was discharged.There was no health or safety risk posed to the public, workers, or the environment by the discharge of untreated groundwaterCorrective ActionThe pump was shut down, stopping the flow of groundwater. The cause of the leak was found and repaired; the system was then returned to normal operation by 10:30 a.m. Two water samples were collected for evaluation of volatile organic compound (VOC) concentrations – one at the maintenance hole and one from ponded water at the municipal catch basin inlet. Results are pending.The Canadian Nuclear Safety Commission, the Spills Action Centre and the Municipality of Port Hope have been notified.Cameco Environmental Effect Ratingno measurable impact to the environment1 Posting DateOctober 19, 2023Incident DateOctober 17, 2023IncidentReportable SpillDetailsA fork truck operator identified a hydraulic fluid leak coming from the rear of the forklift. The fluid had leaked outside on the pavement between two storage facilities including over a storm drain grate. An estimated 3-4 litres were released onto the pavement, an estimated 100ml entered the storm drain.There was no health or safety risk posed to the public, workers or the environment.Corrective ActionOil absorbent was spread on the oil leak on the paved areas and an oil absorbent spill pad was placed in the storm drain to absorb oil that was floating on top of the water in the catch basin.Cameco notified the Canadian Nuclear Safety Commission and the Municipality of Port Hope.Cameco Environmental Effect Ratingno measurable impact to the environment1Posting DateJuly 4, 2023Incident DateJuly 3, 2023IncidentReportable SpillDetailsDuring normal security inspection rounds, liquid nitrogen was found to be dripping from the nitrogen evaporator at a rate of approximately two (2) drops per second.There was no health or safety risk posed to the public, workers or the environment.Corrective ActionThe nitrogen evaporator sits on a concrete pad. Nitrogen immediately evaporates and does not impact the soil. The supplier is scheduled to perform a repair to the system on July 5, 2023.Cameco notified the Canadian Nuclear Safety Commission and the Ministry of Environment, Conservation and Parks.Cameco Environmental Effect Ratingno measurable impact to the environment1Posting DateJune 1, 2023Incident DateMay 30, 2023IncidentReportable SpillDetailsFour drums stored on a skid and containing legacy contaminated metallic material were being moved in the CFM yard when discolouration of the ground below where the skid had been sitting was identified. CFM personnel surveyed the area for uranium and determined that the levels were above what is acceptable for that area. There was no health or safety risk posed to the public, workers or the environment.Corrective ActionThree drums were identified as being in poor condition and CFM transferred the contents into new drums on May 30.  Going forward, CFM will store similar drums of this material type indoors until they can be overpacked (the drum is placed inside a bigger drum to secure the contents).    The ground area with elevated readings has been delineated and the surface layer of soil will be removed on June 5.  Cameco notified the Canadian Nuclear Safety Commission, Spills Action Centre and the Municipality of Port Hope.Cameco Environmental Effect Ratingno measurable impact to the environment1Posting DateMarch 24, 2023Incident DateMarch 22, 2023IncidentReportable SpillDetailsA maintenance hole access point at one of the groundwater pumping wells was intermittently discharging groundwater onto CFM's parking lot surface, with runoff discharging to the municipal storm sewer system. The volume of groundwater discharged is not known. Samples of the water have been collected and sent for analysis.There was no health or safety risk posed to the public, workers or the environment.Corrective ActionThe groundwater pump-and-treat system is currently off-line and undergoing repair. The likely cause is inflow/infiltration due to recent warmer temperatures and associated snow melt and ground thaw conditions.Interim water recovery and storage activities are anticipated to commence March 23. Cameco notified the Canadian Nuclear Safety Commission and the Spills Action Centre.Cameco Environmental Effect Ratingno measurable impact to the environment1Posting DateMarch 16, 2023Incident DateDec. 24, 2022 IncidentEmergency Response Team ActivationDetailsPort Hope Fire & Emergency Services responded to an alarm at Cameco Fuel Manufacturing (CFM) on December 24, 2022. It was determined by Port Hope Fire & Emergency Services that the alarm was false and there was no fire.The facility was in a safe shutdown state for the holiday shutdown.There was no health or safety risk posed to the public or environment.Corrective ActionThe Port Hope Fire and Emergency Services identified a potential defect in a sprinkler head as the likely cause.The Canadian Nuclear Safety Commission has been notified.Cameco Environmental Effect Ratingno measurable impact to the environment1Posting DateJuly 25, 2022Incident DateJuly 21, 2022IncidentEmergency Response Team ActivationDetailsPort Hope Fire & Emergency Services responded to a fire alarm at Cameco Fuel Manufacturing (CFM) at approximately 4:10 a.m. on July 21, 2022. Port Hope Fire & Emergency Services determined that there was no fire, and it was a false alarm.There was no health or safety risk posed to the public or environment.Corrective ActionPort Hope Fire & Emergency Services determined that there was no fire, and it was a false alarm. It was confirmed that the CO2 fire suppression system was the source of the false alarm and it had been removed several years ago. The alarm point has been removed from the monitoring system.The Canadian Nuclear Safety Commission has been notified.Cameco Environmental Effect Ratingno measurable impact to the environment1Posting DateJuly 7, 2022Incident DateJuly 6, 2022IncidentEmergency Response Team ActivationDetailsThe Cameco Fuel Manufacturing (CFM) Emergency Response Team (ERT) was activated in response to fumes from roofing tar work being detected by an office area smoke detector which triggers an automatic fire alarm and notifies Port Hope Fire and Emergency Services. The fire department responded to the site and confirmed the conditions that activated the alarm.There was no health or safety risk posed to the public or environment.Corrective ActionPort Hope Fire and Emergency Services confirmed the source of fumes was normal given the roofing work that is taking place during the CFM maintenance shutdown.The Canadian Nuclear Safety Commission has been notified.Cameco Environmental Effect Ratingno measurable impact to the environment1Posting DateJuly 24, 2020Incident DateJuly 23, 2020IncidentEnvironmental ReleaseDetailsA release of hydrogen occurred as the result of a failed rupture disc. The release was identified and back up safety systems performed as designed. There was no health or safety risk posed to the public, workers or the environment.Corrective ActionBack up safety systems performed as designed to mitigate impacts to the environment. Cameco is investigating the incident further.  The Canadian Nuclear Safety Commission and the Spills Action Centre have been notified.Cameco Environmental Effect Ratingno measurable impact to the environment1Cameco Environmental Effect RatingLevel 1 - no measurable impact to the environmentLevel 2 - negligible impactLevel 3 - short-term, seasonal impactLevel 4 - mortality of some species, but not affecting ecosystem functionLevel 5 - impairment of ecosystem functionN/A - not applicableWaste ManagementSolid wastes contaminated by uranium are reprocessed, recycled and re-used to the extent possible. Waste materials that cannot be reprocessed, recycled or re-used are safely stored on site until appropriate disposal options are available.Wastes generated at the facility are segregated at the point of generation into contaminated and non-contaminated. Non-contaminated waste is either recycled or transferred to a suitable facility. Contaminated waste is stored in appropriate containers pending assessment of recycling or disposal options.DecommissioningDetailed plans and financial guarantees are in place to ensure that sufficient funds are in place to restore CFM facilities to public use once the operation reaches the end of its productive life.Environmental AssessmentAll new significant changes to existing operations may be subject to environmental assessments to identify potential effects on the environment.Regulatory OversightCFM is licensed and regulated by the Canadian Nuclear Safety Commission (CNSC). The operation is also subject to other federal and provincial regulations for the protection of people and the environment, including by Environment Canada and Ontario’s Ministry of the Environment. Federal and provincial regulators conduct regular site inspections and audits to verify that people and the environment are protected. Sustainability at CamecoWhen measuring the sustainability and ethical impact of a company, environmental, social and governance (ESG) are key factors considered by the public and investors. Sustainability and ESG matters have been an important focus at Cameco for many years and we have a strong performance record.Learn more

Cameco is committed to creating and maintaining a welcoming, inclusive, barrier-free work environment which allows all employees to perform their jobs at an optimal level.Achieving this desired environment depends upon mutual respect, creative problem solving and co-operation.We have been recognized as one of Canada's Best Diversity Employers since 2010.Workplace inclusion Members of a diverse workforce bring new ideas, perspectives, experiences and expertise to the company. This allows Cameco to continue to innovate, manage change, and grow as a respected industry leader and employer of choice. A diverse workforce helps Cameco to succeed.As a federally regulated company, Cameco complies with the federal Employment Equity Act by removing barriers that may make it difficult for some people to fully participate in the workforce, including those from the following four equity groups as defined in The Act:women in under-represented rolespeople with disabilitiesAboriginal Peoplesmembers of visible minority groupsWe support a diverse workforce by:implementing fair hiring practicesrecruiting and retaining qualified candidates from all four equity groupsmaintaining a corporate culture that fosters excellence, innovation, employee satisfaction and engagement by respecting individual differences and encouraging a diversity of viewsCameco hires on merit, based on an applicant's qualifications and experience. Qualified equity group members are encouraged to apply for Cameco positions, and to declare their designated equity status so that we can monitor our progress towards a more representative workforce. See Employment Equity-Additional Information for more details.Residents of Saskatchewan's NorthA Resident of Saskatchewan's North (RSN) is defined as:A person who has resided in Saskatchewan's North for a period of 10 years or one half of his or her age, whichever is lesser. Such a person:shall not lose status by relocating outside of Saskatchewan's North for educational purposes;shall not lose status by relocating outside of Saskatchewan's North for five years or less; andshall regain status if he or she has lived outside of Saskatchewan's North for more than five years but re-establishes primary residency in Saskatchewan's North at the time of hire.A person who transfers from one mine operation in Saskatchewan's North to another, or is re-employed within one year after leaving mine employment in Saskatchewan's North, and who met the criteria of a Resident of Saskatchewan's North contained in the applicable Human Resource Development Agreement at the time of recruitment to that operation.Cameco is committed to creating and maintaining a welcoming, inclusive, barrier-free work environment which allows all employees to perform their jobs at an optimal level.Achieving this desired environment depends upon mutual respect, creative problem solving and co-operation.We have been recognized as one of Canada's Best Diversity Employers since 2010.Northern Administrative Communities  View communities mapAir RongeEnglish RiverPelican NarrowsBear CreekFond du LacPinehouseBeauvalGarson LakeSandy BayBlack LakeGrandmothers BaySled LakeBrabant LakeGreen LakeSouthendBuffalo NarrowsIle a la CrosseSt. Georges HillCamsell PortageHall LakeStanley MissionCanoe NarrowsJans BayStony RapidsClearwater RiverKinoosaoSturgeon LandingCole BayLa LocheSucker RiverCreightonLa Plonge IndianTimber BayCumberland HouseReserveTurnor LakeDenare BeachLa RongeUranium CityDeschambeault LakeMichel VillageWeyakwinDescharme LakeMissinipeWollaston LakeDillonMontreal Lake Dore LakePatuanak