X0306 4 2021-09-24 0 0001794515 ZoomInfo Technologies Inc. ZI 0001548682 TA Atlantic & Pacific VII-B L.P. 200 CLARENDON STREET 56TH FLOOR BOSTON MA 02116 1 0 1 0 Class A Common Stock 2021-09-24 4 S 0 37919 68.0029 D 29997007 I See Footnotes Class A Common Stock 2021-09-24 4 S 0 979 68.0029 D 774383 I See Footnotes Class A Common Stock 2021-09-24 4 S 0 6549 68.0029 D 5180452 I See Footnotes Class A Common Stock 2021-09-24 4 S 0 1409 68.0029 D 1114074 I See Footnotes Class A Common Stock 2021-09-24 4 S 0 47 68.0029 D 36989 I See Footnotes Class A Common Stock 2021-09-24 4 S 0 2480 68.0029 D 1961643 I See Footnotes Class A Common Stock 2021-09-24 4 S 0 2225 68.0029 D 1759929 I See Footnotes Class A Common Stock 2021-09-24 4 S 0 187 68.0029 D 147963 I See Footnotes Class A Common Stock 2021-09-24 4 S 0 9919 68.0029 D 7846579 I See Footnotes Class A Common Stock 2021-09-24 4 S 0 8899 68.0029 D 7039726 I See Footnotes Reflects a weighted-average sale price. The shares were sold in multiple transactions at prices ranging from $68.00 to $68.04. The Reporting Persons will provide upon request to the Securities and Exchange Commission, the Company or security holder of the Company, full information regarding the number of shares sold at each separate price. Securities are held by TA XI DO AIV, L.P. ("XI DO AIV"). TA Associates, L.P. is the ultimate general partner of each of XI DO, SDF III Feeder, Atlantic & Pacific VII-B, XI DO AIV, SDF III DO, Atlantic & Pacific VII-A, Investors IV, AP VII-B, SDF III DO AIV II and XI DO AIV II (collectively, the "TA Associates Funds"). Investment and voting control of the TA Associates Funds is held by TA Associates, L.P. Todd R. Crockett and Jason S. Mironov are directors of the Issuer and serve as representatives of TA Associates, L.P. and the TA Associates Funds on the Issuer's board of directors. TA Associates, L.P. disclaims beneficial ownership of such securities, except to the extent of its pecuniary interest in such securities, if any. Securities are held by TA SDF III DO AIV, L.P. ("SDF III DO"). Securities are held by TA Atlantic & Pacific VII-A, L.P. ("Atlantic & Pacific VII-A"). Securities are held by TA Investors IV, L.P. ("Investors IV"). Securities are held by TA SDF III DO AIV II, L.P. ("SDF III DO AIV II"). Securities are held by TA XI DO AIV II, L.P. ("XI DO AIV II"). Securities are held by TA AP VII-B DO Subsidiary Partnership, L.P. ("AP VII-B"). Securities are held by TA SDF III DO Feeder, L.P. ("SDF III Feeder"). Securities are held by TA XI DO Feeder, L.P ("XI DO"). Securities are held by TA Atlantic & Pacific VII-B, L.P. ("Atlantic & Pacific VII-B"). Because no more than 10 reporting persons can file any one Form 4 through the Securities and Exchange Commission's EDGAR system, TA Associates, L.P., XI DO, SDF III Feeder, XI DO AIV, SDF III DO, Atlantic & Pacific VII-A, Investors IV, AP VII-B, SDF III DO AIV II and XI DO AIV II have filed a separate Form 4. TA Atlantic & Pacific VII-B, L.P., by TA Associates AP VII GP L.P., its General Partner, by TA Associates, L.P., its General Partner, by Jeffrey C. Hadden, its General Counsel, /s/ Jeffrey Hadden 2021-09-28