Source: Hubbell Form 10-K Item 1 Business, backlog of orders believed to be firm. 2021 ($1,848.0 million) and 2022 ($2,463.4 million, later rounded to $2,463 million): Form 10-K year ended 31 Dec 2022 https://www.sec.gov/Archives/edgar/data/48898/000162828023002875/hubb-20221231.htm. 2023 ($2,328 million) versus 2022: Form 10-K year ended 31 Dec 2023 https://www.sec.gov/Archives/edgar/data/48898/000162828024003792/hubb-20231231.htm. 2024 ($1,898 million) versus 2023: Form 10-K year ended 31 Dec 2024 https://www.sec.gov/Archives/edgar/data/48898/000162828025005311/hubb-20241231.htm. 2025 ($2,159 million) versus 2024: Form 10-K year ended 31 Dec 2025 https://www.sec.gov/Archives/edgar/data/48898/000162828026007500/hubb-20251231.htm.

Source: Hubbell Form 10-K Note 3 Revenue, disaggregated net sales by business group. 2022: Form 10-K year ended 31 Dec 2024 https://www.sec.gov/Archives/edgar/data/48898/000162828025005311/hubb-20241231.htm (Grid Infrastructure $2,015.6 million, Grid Automation $855.5 million). 2023-2025: Form 10-K year ended 31 Dec 2025 https://www.sec.gov/Archives/edgar/data/48898/000162828026007500/hubb-20251231.htm (2023 $2,259.2 / $1,002.5, 2024 $2,531.3 / $1,069.4, 2025 $2,748.2 / $924.1).

Source: Hubbell Form 8-K Exhibit 99.1 segment recap, Grid Infrastructure and Grid Automation net sales change (approximately). Q1 2025: https://www.sec.gov/Archives/edgar/data/48898/000162828025021342/exhibit991_05012025.htm (plus 1% / minus 15%). Q2 2025: https://www.sec.gov/Archives/edgar/data/48898/000162828025036316/exhibit991_07292025.htm (plus 7% / minus 13%). Q3 2025: https://www.sec.gov/Archives/edgar/data/48898/000162828025046573/exhibit991_10282025.htm (plus 9% / minus 18%). Q4 2025: https://www.sec.gov/Archives/edgar/data/48898/000162828026004800/exhibit991_02032026.htm (plus 18% / minus 8%). Q1 2026: https://www.sec.gov/Archives/edgar/data/48898/000162828026028600/exhibit991_04302026.htm (plus 18% / minus 7%). Q2 2026: https://www.sec.gov/Archives/edgar/data/48898/000162828026049934/exhibit991_07282026.htm (plus 12% / plus 1%).

Source: Hubbell Form 10-Q and Form 8-K Exhibit 99.1 segment organic net sales reconciliations. Q1 2025: https://www.sec.gov/Archives/edgar/data/48898/000162828025021342/exhibit991_05012025.htm. Q2 2025: https://www.sec.gov/Archives/edgar/data/48898/000162828025036564/hubb-20250630.htm. Q3 2025: https://www.sec.gov/Archives/edgar/data/48898/000162828025046924/hubb-20250930.htm. Q4 2025: https://www.sec.gov/Archives/edgar/data/48898/000162828026004800/exhibit991_02032026.htm. Q1 2026: https://www.sec.gov/Archives/edgar/data/48898/000162828026029110/hubb-20260331.htm. Q2 2026: https://www.sec.gov/Archives/edgar/data/48898/000162828026050405/hubb-20260630.htm. Q2 2026 Electrical Solutions MD&A cites data center, light industrial, and non-residential volume.

Source: Hubbell Form 10-Q and Form 8-K Exhibit 99.1 organic net sales reconciliations, company Inc/(Dec) % for the three months ended (not H1/YTD/FY). Later filing wins. Q3 2019 https://www.sec.gov/Archives/edgar/data/48898/000162828020014919/hubb-20200930.htm; Q4 2019 https://www.sec.gov/Archives/edgar/data/48898/000162828021001257/exhibit991_02022021.htm; Q1 2020 https://www.sec.gov/Archives/edgar/data/48898/000162828021007817/hubb-20210331.htm; Q2 2020 https://www.sec.gov/Archives/edgar/data/48898/000162828021014632/hubb-20210630.htm; Q3 2020 https://www.sec.gov/Archives/edgar/data/48898/000162828021020576/hubb-20210930.htm; Q4 2020 https://www.sec.gov/Archives/edgar/data/48898/000162828022001739/exhibit991_02032022.htm; Q1 2021 https://www.sec.gov/Archives/edgar/data/48898/000162828022010690/hubb-20220331.htm; Q2 2021 https://www.sec.gov/Archives/edgar/data/48898/000162828022019492/hubb-20220630.htm; Q3 2021 https://www.sec.gov/Archives/edgar/data/48898/000162828022027022/hubb-20220930.htm; Q4 2021 https://www.sec.gov/Archives/edgar/data/48898/000162828023001785/exhibit991_01312023.htm; Q1 2022 https://www.sec.gov/Archives/edgar/data/48898/000162828023014179/hubb-20230331.htm; Q2 2022 https://www.sec.gov/Archives/edgar/data/48898/000162828023025628/hubb-20230630.htm; Q3 2022 https://www.sec.gov/Archives/edgar/data/48898/000162828023035804/hubb-20230930.htm; Q4 2022 https://www.sec.gov/Archives/edgar/data/48898/000162828024002494/exhibit991_01302024.htm; Q1 2023 https://www.sec.gov/Archives/edgar/data/48898/000162828024019474/hubb-20240331.htm; Q2 2023 https://www.sec.gov/Archives/edgar/data/48898/000162828024033632/hubb-20240630.htm; Q3 2023 https://www.sec.gov/Archives/edgar/data/48898/000162828024044201/hubb-20240930.htm; Q4 2023 https://www.sec.gov/Archives/edgar/data/48898/000162828025003586/exhibit991_02042025.htm; Q1 2024 https://www.sec.gov/Archives/edgar/data/48898/000162828025021677/hubb-20250331.htm; Q2 2024 https://www.sec.gov/Archives/edgar/data/48898/000162828025036564/hubb-20250630.htm; Q3 2024 https://www.sec.gov/Archives/edgar/data/48898/000162828025046924/hubb-20250930.htm; Q4 2024 https://www.sec.gov/Archives/edgar/data/48898/000162828026004800/exhibit991_02032026.htm; Q1 2025 https://www.sec.gov/Archives/edgar/data/48898/000162828026029110/hubb-20260331.htm; Q2 2025 https://www.sec.gov/Archives/edgar/data/48898/000162828026050405/hubb-20260630.htm; Q3 2025 https://www.sec.gov/Archives/edgar/data/48898/000162828026067421/exhibit991_10272026.htm; Q4 2025 https://www.sec.gov/Archives/edgar/data/48898/000162828026004800/exhibit991_02032026.htm; Q1 2026 https://www.sec.gov/Archives/edgar/data/48898/000162828026029110/hubb-20260331.htm; Q2 2026 https://www.sec.gov/Archives/edgar/data/48898/000162828026050405/hubb-20260630.htm; Q3 2026 https://www.sec.gov/Archives/edgar/data/48898/000162828026067421/exhibit991_10272026.htm.