X0206 3 2017-03-01 0 0001130310 CENTERPOINT ENERGY INC CNP 0001698758 Vortherms Joseph John 1111 LOUISIANA HOUSTON TX 77002 0 1 0 0 Senior VP Common Stock 9068 D Common Stock 10219 I By Savings Plan Total includes (i) 3,000 time-based restricted stock units previously awarded under the Issuer's Long-term Incentive Plan and vesting in November 2017, (ii) 940 time-based restricted stock units previously awarded under the Issuer's Long-term Incentive Plan and vesting in February 2018, (iii) 1,775 time-based restricted stock units previously awarded under the Issuer's Long-term Incentive Plan and vesting in February 2019, and (iv) 2,537 time-based restricted stock units previously awarded under the Issuer's Long-term Incentive Plan and vesting in February 2020. Each award shall vest if the Reporting Person continues to be an employee of Issuer from the grant date through the vesting date and on a prorata basis in the event of his earlier retirement, disability or death. Equivalent shares held in CenterPoint Energy, Inc. Savings Plan. Vincent A. Mercaldi, Attorney-in-Fact 2017-03-06