Past

Approved return on equity: 9.86% Approved overall rate of return: N/A Approved revenue requirement increase: $7 million Approved residential class rate increase: 0.7% Requested return on equity: 10.25% Requested overall rate of return: 6.22% Requested revenue requirement increase: $17.6 million Requested residential class rate increase: 12.06% Time period: January 2025 to December 2025

Approved return on equity: 9.86% Approved overall rate of return: N/A Approved revenue requirement increase: $9 million Approved residential class rate increase: 5.7% Requested return on equity: 10.7% Requested overall rate of return: N/A Requested revenue requirement increase: $16.9 million Requested residential class rate increase: N/A Time period: January 2025 to December 2025

Approved return on equity: 9.86% Approved overall rate of return: N/A Approved revenue requirement increase: $6.6 million Approved residential class rate increase: 15.8% Requested return on equity: 10.25% Requested overall rate of return: 6.56% Requested revenue requirement increase: $8.3 million Requested residential class rate increase: 18.7% Time period: January 2025 to December 2025

Approved return on equity: 9.8% Approved overall rate of return: 5.8% Approved revenue requirement increase: $113.78 million Approved residential class rate increase: 2.28% Requested return on equity: 10.25% Requested overall rate of return: 6.04% Requested revenue requirement increase: $266 million Requested residential class rate increase: 9% Time period: Oct. 1, 2024 – Sept. 30, 2025

Approved return on equity: 9.9% Approved overall rate of return: N/A Approved revenue requirement increase: $35 million Approved residential class rate increase: 1.5% Requested return on equity: 10.25% Requested overall rate of return: 6.2% Requested revenue requirement increase: $136 million Requested residential class rate increase: 5.7% Time period: Oct. 1, 2024 – Sept. 30, 2025

Approved return on equity: 9.86% (last rate case was 9.86%) Approved overall rate of return: 6.03% (last rate case was 6.08%) Approved revenue requirement increase: $17.3 million (last rate case was $36.4 million) Approved residential class rate increase: 4.66% (last rate case was 15.03%) Requested return on equity: 10.5% Requested overall rate of return: 6.42%

Approved return on equity: 9.9% Approved overall rate of return: 5.85% Approved revenue requirement increase: $92 million Approved residential class rate increase: 1.61% Requested return on equity: 10.25% Requested overall rate of return: 6.11% Requested revenue requirement increase: $216 million Requested residential class rate increase: 3.3% Time period: Feb. 2024 – Feb. 2025

Approved return on equity: 9.80% Approved revenue requirement increase: $9.9 million Approved residential class rate increase: 4.99% Requested return on equity: 10.4% Requested revenue requirement increase: $19.1 million Requested residential class rate increase: 8.2% Time period: Jan. 1, 2024 – Dec. 31, 2024

Approved return on equity: 9.9% Approved overall rate of return: 5.56% Approved revenue requirement increase: $368 million Approved residential class rate increase: 6.38% Requested return on equity: 10.25% Requested overall rate of return: 5.70% Requested revenue requirement: $619 million Requested residential class rate increase: 13.9% Time period: Dec. 1, 2023 – Nov. 30, 2024 Events: In response to the Dec. 1 MPSC

Approved return on equity: 9.90% Approved residential class rate increase: 3.9% Requested return on equity: 10.25% Requested overall rate of return: 6.09% Requested residential class rate increase: 7.8% Time period: 12 months ending Sept. 30, 2024 Events: CUB of Michigan is an intervenor in this case. Here are a few things we think are important for you to know