MESSAGE FROM ABOUT SUSTAINABILITY AT PRODUCTS WITH ENVIRONMENTAL SOCIAL GOVERNANCE AND GRI, SASB, AND TCFD OUR CEO HUBBELL HUBBELL IMPACT STEWARDSHIP RESPONSIBILITY ACCOUNTABILITY DISCLOSURES DISCLOSURE TOPIC DISCLOSURE # ACCOUNTING METRIC EXPLANATION Activity Metric RT-EE-000.A Number of units produced by product HUBBELL UTILITY SOLUTIONS (HUS) TOTAL UNITS PRODUCED IN 2022 category HUBBELL BUSINESS UNIT UNIT OF MEASURE: EACH Aclara 45,863 Connected Initiatives 24,672 Hubbell Gas Utility Solutions 10,344,205 Hubbell Power Systems 160,763,744 Total HUS Units 171,178,484 HUBBELL ELECTRICAL SOLUTIONS (HES) TOTAL UNITS PRODUCED IN 2022 HUBBELL BUSINESS UNIT UNIT OF MEASURE: EACH Retail and Builder 7,874,717 Electrical Products 348,610,001 Light Industrial 363,570,080 Harsh & Heavy Industrial 8,706,079 Canada 63,104,799 Total HES Units 791,865,677 Total Units for Entire Company (HUS + HES) 963,044,160 NOTE: Note: Due to diverse products Hubbell o昀昀ers, which may be produced and sold in a variety of units including pounds, feet, packs, and cartons, we store all products in units of “Each.” Therefore, we utilize “Each” as our unit of measure for our production summary. Moreover, due to data aggregation challenges, the production summary above does not include products (i.e., in “eaches”) from select business units, including Aclara. The omitted units represent about 5-10% of our total production across all of Hubbell. We are continuing to re昀椀ne our process for collecting and analyzing this information. RT-EE-000.B Number of employees Total Employees as of December 31, 2022: 16,323 (headcount/FTE) NOTE: This is a global 2022 headcount that includes our joint venture employees. It does not include contingent workers and contractors. 81