X0306 4 2020-07-01 0 0001130310 CENTERPOINT ENERGY INC CNP 0001618940 Colvin Kristie 1111 LOUISIANA HOUSTON TX 77002 0 1 0 0 Interim EVP and CFO and CAO Common Stock 2020-07-01 4 A 0 5449 0.00 A 72546 D Common Stock 51 I By Savings Plan Common Stock 145 I By son Time-based restricted stock units vesting (i) in July 2023 if the Reporting Person continues to be an employee of Issuer from the grant date through the vesting date; (ii) in the event of her earlier disability or death; (iii) in the event of her involuntary termination without cause; or (iv) on a pro-rata basis upon her earlier retirement unless she satisfies various conditions for full vesting. Total includes (i) 2,904 time-based restricted stock units ("RSUs") previously awarded under the Issuer's Long-term Incentive Plan (the "Plan") and vesting in February 2021, (ii) 2,737 RSUs previously awarded under the Plan and vesting in February 2022, and (iii) 4,980 RSUs previously awarded under the Plan and vesting in February 2023. The above awards shall vest (i) if the Reporting Person continues to be an employee of Issuer from grant date through vesting date and (ii) in the event of her disability or death. Also, the above awards shall vest on a pro-rata basis in the event of her retirement unless she satisfies various conditions for full vesting. Total also includes 6,863 RSUs previously awarded under the Plan vesting (i) in April 2023 if the Reporting Person continues to be an employee of Issuer from the grant date through the vesting date; (ii) in the event of her earlier disability or death; (iii) in the event of her involuntary termination without cause; or (iv) on a pro-rata basis upon her earlier retirement unless she satisfies various conditions for full vesting. Equivalent shares held in CenterPoint Energy, Inc. Savings Plan. Vincent A. Mercaldi, Attorney-in-Fact 2020-07-06