X0306 4 2023-03-01 0000010456 BAXTER INTERNATIONAL INC BAX 0001938766 Flynn Steven ONE BAXTER PARKWAY DEERFIELD IL 60015 0 1 0 0 SVP, President, APAC Common Stock, $1 par value 2023-03-01 4 A 0 6171 0 A 18737 D Common Stock, $1 par value 2023-03-01 4 A 0 12343 0 A 31080 D Stock Option (Right to Buy) 39.06 2023-03-01 4 A 0 25586 0 A 2033-03-01 Common Stock, $1 par value 25586 25586 D The reporting person received a grant of restricted stock units which are scheduled to vest in three equal annual installments beginning on March 1, 2024, the first anniversary of the grant date, subject to satisfaction of the related vesting requirements set forth in the Baxter International Inc. 2021 Incentive Plan. The reporting person received a grant of restricted stock units which are scheduled to vest in three equal annual installments beginning on March 1, 2024, the first anniversary of the grant date, subject to satisfaction of the related vesting requirements set forth in the Baxter International Inc. 2021 Incentive Plan. The shares have terms and conditions which provide for vesting at termination if the reporting person is involuntarily terminated prior to the vesting date for other than cause. The options become exercisable in three equal annual installments beginning on March 1, 2024, the first anniversary of the grant date. /s/ Matthew Rice, as attorney in-fact for Steven Flynn 2023-03-03