Source: CenterPoint Energy Form 10-K Houston Electric results, Number of metered customers at end of period, and Item 1 Houston Electric REP and metered customer table. 2025 10-K (YE 2025 / 2024 / 2023): residential 2,544,880 / 2,506,284 / 2,455,309; total 2,859,313 / 2,818,343 / 2,763,535. Commercial/industrial is total minus residential and matches the Item 1 Commercial/Industrial column for 2025 (314,433) and 2024 (312,059). https://www.sec.gov/Archives/edgar/data/1130310/000113031026000008/cnp-20251231.htm. 2024 10-K Item 1 YE 2024 table: https://www.sec.gov/Archives/edgar/data/1130310/000113031025000040/cnp-20241231.htm. Q2 2026 10-Q Houston Electric (Jun 30, 2026 / 2025): residential 2,570,229 / 2,528,981; total 2,887,519 / 2,842,718. https://www.sec.gov/Archives/edgar/data/1130310/000113031026000041/cnp-20260630.htm.

Source: CenterPoint Energy Regulatory Information Electric (April 2026), Houston Electric T&D and Indiana Electric Estimated Year-End 2025 Rate Base: $16,137 million and $2,770 million. Footnote: projected year-end rate base is the total rate base for the year and not just the amount that has been reflected in rates. https://investors.centerpointenergy.com/static-files/c027da15-bfd1-4ef6-817c-dd11055fd77c. Q2 2026 earnings presentation (Exhibit 99.2, furnished 28 Jul 2026), slide 13 2026 Regulatory Schedule, '26 Rate Base: Houston Electric (TX Electric) $18.5B and Indiana Electric $3.1B. Footnote: estimated year-end 2026 rate base represents the latest available information and may differ slightly from regulatory filings. https://www.sec.gov/Archives/edgar/data/1130310/000110465926087279/tm2621002d1_ex99-2.htm.

Source: CenterPoint Energy Form 10-K Houston Electric results, Throughput (in GWh). 2025 10-K years 2025 / 2024 / 2023: residential 34,101 / 32,769 / 33,830; total 111,083 / 106,014 / 103,862. Converted to TWh by dividing GWh by 1,000. Non-residential is total minus residential from the same table. https://www.sec.gov/Archives/edgar/data/1130310/000113031026000008/cnp-20251231.htm.

Source: CenterPoint Energy Form 10-K Item 2 Properties, Electric Lines Transmission and Distribution, Houston Electric overhead and underground circuit miles. 2023 10-K (YE 2023): 69 kV 132 + 2, 138 kV 2,333 + 24, 345 kV 1,445 + 0. https://www.sec.gov/Archives/edgar/data/1130310/000113031024000010/cnp-20231231.htm. 2024 10-K (YE 2024): 69 kV 109 + 2, 138 kV 2,347 + 24, 345 kV 1,445 + 0. https://www.sec.gov/Archives/edgar/data/1130310/000113031025000040/cnp-20241231.htm. 2025 10-K (YE 2025): 69 kV 101 + 2, 138 kV 2,352 + 24, 345 kV 1,446 + 0. https://www.sec.gov/Archives/edgar/data/1130310/000113031026000008/cnp-20251231.htm. Each voltage is overhead plus underground from the same table.

Source: CenterPoint Energy Form 10-K Item 1, natural gas distribution business customers by state as of December 31. 2023 10-K: https://www.sec.gov/Archives/edgar/data/1130310/000113031024000010/cnp-20231231.htm. 2024 10-K: https://www.sec.gov/Archives/edgar/data/1130310/000113031025000040/cnp-20241231.htm. 2025 10-K: https://www.sec.gov/Archives/edgar/data/1130310/000113031026000008/cnp-20251231.htm. Indiana is Indiana Gas plus SIGECO from the same tables. Louisiana plus Mississippi is the divested stack (zero after the March 31, 2025 close).

Source: CenterPoint Energy Form 10-K Natural Gas reportable segment results, Throughput (in Bcf). 2025 10-K years 2025 / 2024 / 2023: residential 220 / 189 / 199; commercial and industrial 423 / 426 / 418; total 643 / 615 / 617. https://www.sec.gov/Archives/edgar/data/1130310/000113031026000008/cnp-20251231.htm.