MESSAGE FROM ABOUT SUSTAINABILITY AT PRODUCTS WITH ENVIRONMENTAL SOCIAL GOVERNANCE AND GRI, SASB, AND TCFD OUR CEO HUBBELL HUBBELL IMPACT STEWARDSHIP RESPONSIBILITY ACCOUNTABILITY DISCLOSURES WASTE GENERATION AND RECYCLING, 2019-2022 WASTE GENERATED (US TON)1,2,3 2019 2020 2021 2022 HAZARDOUS WASTE REDUCTION Waste - General 13,934 12,029 9,567 17,936 IN JUAREZ, MEXICO Waste - Industrial 8,006 9,803 10,142 4,101 In 2022, our facility Waste - Universal 2,116 2,270 2,314 2,320 in Juarez, Mexico Waste - Hazardous 1,862 1,469 1,861 1,608 deployed new Waste - Wood 167 228 296 340 machinery that Total Waste Generation 26,084 25,798 24,181 26,306 reduces hazardous waste by evaporating Waste intensity per million dollars of 7 7 6 5 water content within sales (US ton/$M of net sales) the waste stream. WASTE RECYCLED (US TON)1,2,3 2019 2020 2021 2022 The new equipment Waste Recycled - Aluminum 2,913 2,701 1,854 11,256 has reduced Waste Recycled - Brass 1,349 1,213 1,012 1,023 hazardous waste by approximately 60 tons Waste Recycled - Bronze 0 0 178 159 per month, which in Waste Recycled - Copper 2,078 1,789 986 1,012 turn avoids burning the transport fuel associated Waste Recycled - Iron 300 419 292 903 with traveling 837 kilometers, roundtrip, between Waste Recycled - Lead 18 4 13 5 our facility and the 昀椀nal disposal site. This initiative Waste Recycled - Stainless Steel 310 259 415 382 also yields USD $5,000 in savings per month. Waste Recycled - Steel 179,763 204,212 338,621 295,920 Waste Recycled - Tin 227 76 24 215 Total Metals Recycled 186,959 210,674 343,395 310,875 Waste Recycled - Commingled 590 491 469 412 Waste Recycled - Industrial Waste 857 750 820 794 Waste Recycled - Universal Waste 4 3 72 40 Waste and Recycling Inventory Footnotes: 1.  Hubbell reports all waste and recycling from our wholly owned companies’ leased and owned Waste Recycled - Hazardous Waste 138 572 93 211 manufacturing, warehouse, and o昀케ce facilities worldwide. The waste generated and recycled Waste Recycled - Cardboard 1,614 1,569 1,473 1,161 of consolidated joint operations are included pro rata, based on our 50% interest. Waste and recycling for select sites where Hubbell does not pay the service bill (i.e., primarily tenant- Waste Recycled - Paper 13 14 103 267 shared o昀케ce space) are excluded from the reported waste generated and recycled. Estimates are used where primary data is not available. Waste generated and waste recycled are reported Waste Recycled - E-waste 24 13 11 11 in US tons (ton). 2.  Hubbell established a threshold for signi昀椀cance of 5% or greater in Hubbell’s total base-year Waste Recycled - Plastic 54 166 346 125 waste and recycling for the company’s rebaseline policy. While our new environmental goals Waste Recycled - Glass 0.78 0.78 0.75 0.75 reference a 2022 baseline, we applied this policy to our 2019-2021 historical data to help us track Hubbell’s environmental reduction progress over time. In October 2021, Hubbell initiated Waste Recycled - Wood 2,112 2,134 2,898 2,150 the sale of its Commercial and Industrial Lighting business, which was completed in 2022. This divestment triggered our rebaseline policy and our stated historical data re昀氀ects this. In Total Metals & Waste Recycled 192,367 216,386 349,680 316,047 addition, Hubbell grew its business with acquisitions in the second half of 2022 - PCX Holdings Total Waste Diversion Rate 88% 89% 94% 92% LLC, Ripley Tools, and REF Automation. These acquisitions did not trigger our rebaseline policy for historical data, however these sites are included in our inventory for 2022 onward. 3. Hazardous waste data represents waste deemed hazardous by region-speci昀椀c de昀椀nitions. 31