X0306 4 2023-02-24 0 0001280058 BLACKBAUD INC BLKB 0001365837 Gianoni Michael P 65 FAIRCHILD STREET CHARLESTON SC 29492 1 1 0 0 President and CEO Common Stock 2023-02-24 4 A 0 12431 0.00 A 366327 D Common Stock 2023-02-24 4 A 0 31164 0.00 A 397491 D Common Stock 2023-02-24 4 A 0 9679 0.00 A 407170 D Common Stock 2023-02-27 4 F 0 5700 57.15 D 401470 D Common Stock 2023-02-27 4 F 0 4763 57.15 D 396707 D Common Stock 2023-02-27 4 F 0 4438 57.15 D 392269 D Common Stock 2023-02-27 4 F 0 8911 57.15 D 383358 D Common Stock 2023-02-28 4 S 0 3100 55.7249 D 380258 D Common sTock 2023-03-01 4 S 0 6900 55.8409 D 373358 D Represents performance restricted stock units ("PRSUs") granted on February 24, 2022 that vested in full on February 24, 2023. The Compensation Committee determined that PRSUs granted on February 24, 2022 would vest in three equal annual installments beginning on February 24, 2023, based on the Issuer achieving performance goals for the period ended December 31, 2022. The Compensation Committee determined that a portion of PRSUs granted on February 24, 2022 would vest in full on February 24, 2023 based on the Issuer achieving performance goals for the period ended December 31, 2022, subject to continued employment. The remaining PRSUs granted on February 24, 2022 will vest dependent on the achievement of performance goals for the periods ended December 31, 2023 and December 31, 2024, subject to continued employment. Represents shares forfeited to the Issuer in connection with the satisfaction of tax liabilities incurred upon the vesting of separate PRSUs granted February 24, 2022. Represents shares forfeited to the Issuer in connection with the satisfaction of tax liabilities incurred upon the vesting of restricted stock granted February 24, 2022. This transaction was executed in multiple trades at prices ranging from $55.65 to $56.17. The price reported in Column 4 is a weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transactions were effected. This transaction was executed in multiple trades at prices ranging from $55.65 to $56.29. The price reported in Column 4 is a weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transactions were effected. /s/ Donald R. Reynolds, Attorney-in-Fact 2023-03-01