X0306 4 2021-09-16 0 0001794515 ZoomInfo Technologies Inc. ZI 0001034569 TA ASSOCIATES, L.P. 200 CLARENDON STREET 56TH FLOOR BOSTON MA 02116 1 0 1 0 0001609536 TA XI DO AIV, L.P. 200 CLARENDON STREET 56TH FLOOR BOSTON MA 02116 1 0 1 0 0001609553 TA SDF III DO AIV, L.P. 200 CLARENDON STREET 56TH FLOOR BOSTON MA 02116 1 0 1 0 0001548681 TA Atlantic & Pacific VII-A L.P. 200 CLARENDON STREET 56TH FLOOR BOSTON MA 02116 1 0 1 0 0001578035 TA INVESTORS IV, L.P. 200 CLARENDON STREET 56TH FLOOR BOSTON MA 02116 1 0 1 0 0001812605 TA SDF III DO AIV II, L.P. 200 CLARENDON STREET 56TH FLOOR BOSTON MA 02116 1 0 1 0 0001812606 TA XI DO AIV II, L.P. 200 CLARENDON STREET 56TH FLOOR BOSTON MA 02116 1 0 1 0 0001812579 TA AP VII-B DO Subsidiary Partnership, L.P. 200 CLARENDON STREET 56TH FLOOR BOSTON MA 02116 1 0 1 0 0001609557 TA SDF III DO Feeder, L.P. 200 CLARENDON STREET 56TH FLOOR BOSTON MA 02116 1 0 1 0 0001609539 TA XI DO Feeder, L.P. 200 CLARENDON STREET 56TH FLOOR BOSTON MA 02116 1 0 1 0 Class A Common Stock 2021-09-16 4 S 0 249644 68.1248 D 31443376 I See Footnotes Class A Common Stock 2021-09-16 4 S 0 6445 68.1248 D 811722 I See Footnotes Class A Common Stock 2021-09-16 4 S 0 43113 68.1248 D 5430241 I See Footnotes Class A Common Stock 2021-09-16 4 S 0 9272 68.1248 D 1167793 I See Footnotes Class A Common Stock 2021-09-16 4 S 0 308 68.1248 D 38773 I See Footnotes Class A Common Stock 2021-09-16 4 S 0 16326 68.1248 D 2056229 I See Footnotes Class A Common Stock 2021-09-16 4 S 0 14647 68.1248 D 1844789 I See Footnotes Class A Common Stock 2021-09-16 4 S 0 1232 68.1248 D 155099 I See Footnotes Class A Common Stock 2021-09-16 4 S 0 65303 68.1248 D 8224919 I See Footnotes Class A Common Stock 2021-09-16 4 S 0 58587 68.1248 D 7379162 I See Footnotes Reflects a weighted-average sale price. The shares were sold in multiple transactions at prices ranging from $68.00 to $68.36. 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, Atlantic & Pacific VII-B has filed a separate Form 4. TA Associates, L.P., by Jeffrey C. Hadden, its, General Counsel, /s/ Jeffrey C. Hadden 2021-09-20 TA XI DO AIV, L.P., by TA Associates XI GP, L.P., its General Partner, by TA Associates, L.P., its General, Partner, by Jeffrey C. Hadden, its General Counsel, /s/ Jeffrey C. Hadden 2021-09-20 TA SDF III DO AIV, L.P., by TA Associates, SDF III GP L.P., its General Partner, by TA Associates, L.P., its General Partner, by Jeffrey C. Hadden, its, General Counsel, /s/ Jeffrey C. Hadden 2021-09-20 TA Atlantic & Pacific VII-A 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 C. Hadden 2021-09-20 TA Investors IV, L.P., by TA Associates, L.P., its General Partner, by Jeffrey C. Hadden, its, General Counsel, /s/ Jeffrey C. Hadden 2021-09-20 TA SDF III DO AIV II, L.P., by TA Associates SDF, III GP, L.P., its General Partner, by TA Associates, L.P., its General Partner, by Jeffrey C. Hadden, its General, Counsel, /s/ Jeffrey C. Hadden 2021-09-20 TA XI DO AIV II, L.P., by TA Associates XI GP, L.P, its General Partner, by TA Associates, L.P., its General, Partner, by Jeffrey C. Hadden, its General Counsel, /s/ Jeffrey C. Hadden 2021-09-20 TA Associates AP VII-B DO Subsidiary Partnership, 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 C. Hadden 2021-09-20 TA SDF III DO Feeder, L.P., by TA Associates SDF III GP L.P., its General Partner, by TA Associates, L.P., its General Partner, by Jeffrey C., Hadden, its General Counsel, /s/ Jeffrey C. Hadden 2021-09-20 TA XI DO Feeder, L.P., by TA Associates XI GP L.P., its General Partner, by TA Associates, L.P., its General Partner, Jeffrey C. Hadden, its, General Counsel, /s/ Jeffrey C. Hadden 2021-09-20