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EMPLOYEE HEALTH AND SAFETY 72% reduction in our TRIR since 2019 Our ARC 100 Safety Culture Initiative has Accelerated a Positive and Proactively Engaged Workforce Total Recordable Incident Rate (TRIR) 4.31 -72% -30% 1.89 1.73 1.21 2019 2020 2021 2022 Continuous Improvement Initiatives: Front-line supervisor training • Employee safety mentorship • Enhanced near miss reporting Hand and eye injury reduction campaign Dedicated internal safety culture managers Part of building a better world is building a culture of safety, with employees, contractors, and visitors working safely every day 26 MOVING INFRASTRUCTURE FORWARD | 2023 A

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