MESSAGE FROM ABOUT SUSTAINABILITY AT PRODUCTS WITH ENVIRONMENTAL SOCIAL GOVERNANCE AND GRI, SASB, AND TCFD OUR CEO HUBBELL HUBBELL IMPACT STEWARDSHIP RESPONSIBILITY ACCOUNTABILITY DISCLOSURES GRI STANDARD DISCLOSURE EXPLANATION GRI 406 Non- 406-1  Incidents of discrimination and All allegations are promptly investigated and handled appropriately. Status of incidents and actions taken are not reported as this discrimination 2016 corrective actions taken information is considered con昀椀dential. EMPLOYEE HEALTH AND SAFETY GRI 3: Material 3-3 Management of material topics We are committed to creating and maintaining a safe and healthy workplace and supporting our employees' wellbeing. Environmental, Topics 2021 health, and safety (EHS) are overseen and executed by both onsite EHS personnel and our senior leaders. At the site level, Safety Committees are responsible for managing and ensuring adherence to health and safety protocols. Safety Committee personnel report directly to their respective site leadership and indirectly to our EHS Council, which is comprised of EHS leaders from HUS and HES. Our global EHS Policy and internal EHS Instruction Manual guide our behavior and all sites employ a health and safety management system. Hubbell also establishes annual safety goals and utilizes an EHS Assessment Tool to measure safety metrics and performance related to completion of safety and risk assessments, corrective action closures, and employee engagement. The EHS Assessment Tool is complemented by a comprehensive EHS data management software solution that we use to track EHS reviews, metrics, and other key performance indicators at the site level for our global facilities. Moreover, Hubbell regularly engages with manufacturing alliance partners and third-party consultants to collaborate on best practices and current or emerging employee health and safety issues. GRI 403 403-1  Occupational health and safety Our sites maintain health and safety management systems reinforced by routine safety and compliance audits from our EHS Council. Occupational management system We also work with third-party consultants to analyze regulatory changes and risks pertaining to safety and environmental compliance, Health and Safety which includes performing routine safety gap assessments and risk evaluations. 2018 403-2  Hazard identi昀椀cation, risk Our EHS Instruction Manual, which all sites utilize as part of their safety management systems, guides our health and safety teams in assessment, and incident performing the following procedures: investigation • As sessing, preventing, and responding to safety risks and incidents, including safety protocols for conducting, for example, compliance audits, and ergonomic assessments • C onducting job hazard analysis prior to commencement of any job and implementing job rotation to prevent ergonomic-related injuries • C onducting site and occupational risk assessments and guidance for implementing mitigation mechanisms, covering aspects such as potential exposure to respiratory, hearing, and chemical hazards and dangerous processes • Implementing engineering c ontrols, administrative controls, personal protective equipment, and employee training to mitigate potential hazards, including lockout/tagout procedures to ensure equipment is shut down and inoperable until maintenance or repair work is completed • C onducting emergency mock drills, health and safety training, safety walks, and potential hazard identi昀椀cation exercises • Closing and r esolving incidents and safety observations through appropriate actions • De veloping and documenting new safety ideas with our site level Safety Committees • Implementing beha vioral campaigns, such as “Stop and Think” to encourage greater safety awareness and practices 403-5  Worker training on occupational Our employees are trained and briefed on occupational health and safety principles as well as work procedures speci昀椀c to their health and safety individual tasks regularly and prior to starting a new role or activity. In 2022, each operations employee received an average of 2.5 hours of health and safety training. 403-9 Work-related injuries REPORTING PERIOD: JANUARY 1, 2021 – DECEMBER 31, 2022 403-10 Work-related ill health OCCUPATIONAL SAFETY AND HEALTH TOTAL RECORDABLE EMPLOYEE DAYS AWAY, RESTRICTED, ADMINISTRATION (OSHA) INJURY/ILLNESS INCIDENT RATE (TRIR) HOURS WORKED OR TRANSFERRED RATE RECORDABLES (APPROXIMATE) (DART) 319 1.85 34,551,339 1.1 73