GTM

SEC source: 0001794515-21-000154 · wf-form4_162396436503418.xml · derivative · entry 5

Schuck Henry · CIK 0001813217 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 400,000

Underlying: Class A Common Stock · 400,000 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Pursuant to the terms of the limited liability company agreement for OpCo, OpCo Units and an equal number of shares of Class B Common Stock, together are exchangeable for shares of Class A Common Stock on a one-for-one basis at the discretion of the holder, subject to exchange rate adjustments for stock splits, stock dividends, and reclassifications. These exchange rights do not expire. Shares of Class B Common Stock have no economic value and have 10 votes per share.

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a 10b5-1 trading plan entered into prior to November 30, 2020.

F3 · derivative.exercise_date: Pursuant to the terms of the limited liability company agreement for OpCo, OpCo Units and an equal number of shares of Class B Common Stock, together are exchangeable for shares of Class A Common Stock on a one-for-one basis at the discretion of the holder, subject to exchange rate adjustments for stock splits, stock dividends, and reclassifications. These exchange rights do not expire. Shares of Class B Common Stock have no economic value and have 10 votes per share.

F3 · derivative.expiration_date: Pursuant to the terms of the limited liability company agreement for OpCo, OpCo Units and an equal number of shares of Class B Common Stock, together are exchangeable for shares of Class A Common Stock on a one-for-one basis at the discretion of the holder, subject to exchange rate adjustments for stock splits, stock dividends, and reclassifications. These exchange rights do not expire. Shares of Class B Common Stock have no economic value and have 10 votes per share.

SEC source: 0001794515-21-000154 · wf-form4_162396436503418.xml · derivative · entry 4

Schuck Henry · CIK 0001813217 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,063,514

Underlying: Class A Common Stock · 400,000 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F6 · derivative.exercise_price: Each of these HSKB Units represents the economic value of one OpCo Unit. Each such HSKB Unit is fully vested and is exchangeable, at the Reporting Person's option, into an OpCo Unit and a share of Class B Common Stock, which together are exchangeable by the Issuer for shares of Class A Common Stock on a one-for-one basis, subject to exchange rate adjustments for stock splits, stock dividends, and reclassifications. Shares of Class B Common Stock have no economic value and have 10 votes per share.

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a 10b5-1 trading plan entered into prior to November 30, 2020.

F6 · derivative.exercise_date: Each of these HSKB Units represents the economic value of one OpCo Unit. Each such HSKB Unit is fully vested and is exchangeable, at the Reporting Person's option, into an OpCo Unit and a share of Class B Common Stock, which together are exchangeable by the Issuer for shares of Class A Common Stock on a one-for-one basis, subject to exchange rate adjustments for stock splits, stock dividends, and reclassifications. Shares of Class B Common Stock have no economic value and have 10 votes per share.

F6 · derivative.expiration_date: Each of these HSKB Units represents the economic value of one OpCo Unit. Each such HSKB Unit is fully vested and is exchangeable, at the Reporting Person's option, into an OpCo Unit and a share of Class B Common Stock, which together are exchangeable by the Issuer for shares of Class A Common Stock on a one-for-one basis, subject to exchange rate adjustments for stock splits, stock dividends, and reclassifications. Shares of Class B Common Stock have no economic value and have 10 votes per share.

F6 · derivative.underlying: Each of these HSKB Units represents the economic value of one OpCo Unit. Each such HSKB Unit is fully vested and is exchangeable, at the Reporting Person's option, into an OpCo Unit and a share of Class B Common Stock, which together are exchangeable by the Issuer for shares of Class A Common Stock on a one-for-one basis, subject to exchange rate adjustments for stock splits, stock dividends, and reclassifications. Shares of Class B Common Stock have no economic value and have 10 votes per share.

SEC source: 0001794515-21-000154 · wf-form4_162396436503418.xml · nonDerivative · entry 3

Schuck Henry · CIK 0001813217 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a 10b5-1 trading plan entered into prior to November 30, 2020.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $45.50 to $46.42, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

SEC source: 0001794515-21-000154 · wf-form4_162396436503418.xml · nonDerivative · entry 2

Schuck Henry · CIK 0001813217 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 74,545

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a 10b5-1 trading plan entered into prior to November 30, 2020.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $44.50 to $45.49, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

SEC source: 0001794515-21-000154 · wf-form4_162396436503418.xml · nonDerivative · entry 1

Schuck Henry · CIK 0001813217 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 400,000

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a 10b5-1 trading plan entered into prior to November 30, 2020.

F2 · kind: On June 15, 2021, 400,000 limited liability company units of HSKB Funds, LLC ("HSKB Units") held directly by the Reporting Person were exchanged for limited liability company units ("OpCo Units") of ZoomInfo Holdings LLC ("OpCo") together with an equal number of shares of Class B common stock ("Class B Common Stock") of ZoomInfo Technologies Inc. ("ZoomInfo" or the "Issuer"). These OpCo Units and shares of Class B Common Stock were exchanged for shares of ZoomInfo's Class A common stock ("Class A Common Stock") which were sold as described herein.

F3 · price: Pursuant to the terms of the limited liability company agreement for OpCo, OpCo Units and an equal number of shares of Class B Common Stock, together are exchangeable for shares of Class A Common Stock on a one-for-one basis at the discretion of the holder, subject to exchange rate adjustments for stock splits, stock dividends, and reclassifications. These exchange rights do not expire. Shares of Class B Common Stock have no economic value and have 10 votes per share.

SEC source: 0001794515-21-000156 · wf-form4_162396462925842.xml · derivative · entry 1

HSKB Funds, LLC · CIK 0001834204 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,535,390

Underlying: Class A Common Stock · 400,000 shares

Expires not disclosed

F1 · derivative.exercise_price: Pursuant to the terms of the limited liability company agreement for ZoomInfo Holdings LLC ("OpCo"), limited liability company units of OpCo ("OpCo Units") and an equal number of shares of Class B common stock ("Class B Common Stock") of ZoomInfo Technologies Inc. ("ZoomInfo"), together are exchangeable for shares of Class A common stock of ZoomInfo on a one-for-one basis at the discretion of the holder, subject to exchange rate adjustments for stock splits, stock dividends, and reclassifications. These exchange rights do not expire. Shares of Class B Common Stock have no economic value and have 10 votes per share.

F2 · kind: Reflects a distribution of OpCo Units to one or more employees of ZoomInfo and its subsidiaries.

F1 · derivative.exercise_date: Pursuant to the terms of the limited liability company agreement for ZoomInfo Holdings LLC ("OpCo"), limited liability company units of OpCo ("OpCo Units") and an equal number of shares of Class B common stock ("Class B Common Stock") of ZoomInfo Technologies Inc. ("ZoomInfo"), together are exchangeable for shares of Class A common stock of ZoomInfo on a one-for-one basis at the discretion of the holder, subject to exchange rate adjustments for stock splits, stock dividends, and reclassifications. These exchange rights do not expire. Shares of Class B Common Stock have no economic value and have 10 votes per share.

F1 · derivative.expiration_date: Pursuant to the terms of the limited liability company agreement for ZoomInfo Holdings LLC ("OpCo"), limited liability company units of OpCo ("OpCo Units") and an equal number of shares of Class B common stock ("Class B Common Stock") of ZoomInfo Technologies Inc. ("ZoomInfo"), together are exchangeable for shares of Class A common stock of ZoomInfo on a one-for-one basis at the discretion of the holder, subject to exchange rate adjustments for stock splits, stock dividends, and reclassifications. These exchange rights do not expire. Shares of Class B Common Stock have no economic value and have 10 votes per share.

F1 · derivative.underlying: Pursuant to the terms of the limited liability company agreement for ZoomInfo Holdings LLC ("OpCo"), limited liability company units of OpCo ("OpCo Units") and an equal number of shares of Class B common stock ("Class B Common Stock") of ZoomInfo Technologies Inc. ("ZoomInfo"), together are exchangeable for shares of Class A common stock of ZoomInfo on a one-for-one basis at the discretion of the holder, subject to exchange rate adjustments for stock splits, stock dividends, and reclassifications. These exchange rights do not expire. Shares of Class B Common Stock have no economic value and have 10 votes per share.

SEC source: 0001140361-21-021199 · form4.xml · derivative · entry 11

Edell Eric J · CIK 0001813873 · 10% owner · See Remarks

22C Capital GP I, L.L.C · CIK 0001813836 · 10% owner · See Remarks

22C Capital GP I MM LLC · CIK 0001813837 · 10% owner · See Remarks

22C Capital I, L.P. · CIK 0001754570 · 10% owner · See Remarks

22C Capital I-A, L.P. · CIK 0001755053 · 10% owner · See Remarks

22C DiscoverOrg Advisors, LLC · CIK 0001813885 · 10% owner · See Remarks

22C DiscoverOrg MM, LLC · CIK 0001813838 · 10% owner · See Remarks

22C DiscoverOrg Investors, LLC · CIK 0001743159 · 10% owner · See Remarks

22C Magellan Holdings LLC · CIK 0001814161 · 10% owner · See Remarks

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 10,242,942

Underlying: Class A Common Stock · 1,939,565 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F6 · derivative.exercise_price: Pursuant to the terms of the limited liability company agreement for ZoomInfo Holdings LLC ("OpCo"), limited liability company units of OpCo ("OpCo Units") and an equal number of shares of the Issuer's Class B common stock ("Class B Common Stock"), together are exchangeable for shares of Class A Common Stock on a one-for-one basis at the discretion of the holder, subject to exchange rate adjustments for stock splits, stock dividends, and reclassifications. These exchange rights do not expire. Shares of Class B Common Stock have no economic value and have 10 votes per share.

F6 · derivative.exercise_date: Pursuant to the terms of the limited liability company agreement for ZoomInfo Holdings LLC ("OpCo"), limited liability company units of OpCo ("OpCo Units") and an equal number of shares of the Issuer's Class B common stock ("Class B Common Stock"), together are exchangeable for shares of Class A Common Stock on a one-for-one basis at the discretion of the holder, subject to exchange rate adjustments for stock splits, stock dividends, and reclassifications. These exchange rights do not expire. Shares of Class B Common Stock have no economic value and have 10 votes per share.

F6 · derivative.expiration_date: Pursuant to the terms of the limited liability company agreement for ZoomInfo Holdings LLC ("OpCo"), limited liability company units of OpCo ("OpCo Units") and an equal number of shares of the Issuer's Class B common stock ("Class B Common Stock"), together are exchangeable for shares of Class A Common Stock on a one-for-one basis at the discretion of the holder, subject to exchange rate adjustments for stock splits, stock dividends, and reclassifications. These exchange rights do not expire. Shares of Class B Common Stock have no economic value and have 10 votes per share.

F2 · ownership.direct: These shares are held directly following this offering by 22C Magellan Holdings LLC, whose two principal members are 22C DiscoverOrg Investors, LLC and 22C Capital I, L.P. 22C DiscoverOrg MM, LLC is the managing member of 22C DiscoverOrg Investors, LLC. 22C DiscoverOrg Advisors, LLC is the managing member of 22C DiscoverOrg MM, LLC.

F4 · ownership.direct: 22C Capital GP I, L.L.C. is the general partner of 22C Capital I, L.P. and of 22C Capital I-A, L.P. 22C Capital GP I MM LLC is the managing member of 22C Capital GP I, L.L.C. Eric J. Edell and D. Randall Winn are co-managing members of 22C DiscoverOrg Advisors, LLC and co-members of 22C Capital GP I MM LLC and, in such capacities, may be deemed to indirectly control each of 22C Magellan Holdings LLC and 22C Capital I-A, L.P. However, Mr. Winn has irrevocably waived all of his power to make voting and investment decisions with respect to the shares held by each of 22C Magellan Holdings LLC, 22C DiscoverOrg MM, LLC and by 22C Capital I-A, L.P., and authorized Mr. Edell to exercise voting and investment power over the shares held directly by each of 22C Magellan Holdings LLC, 22C DiscoverOrg MM, LLC and by 22C Capital I-A, L.P.

F10 · ownership.direct: Each of the 22C Capital reporting persons, Mr. Edell and Mr. Winn disclaims beneficial ownership of these shares except to the extent of its or his pecuniary interest therein, and this report shall not be deemed an admission that such person is the beneficial owner of the shares for purposes of Section 16 of the Exchange Act, or for any other purpose.

F2 · ownership.nature: These shares are held directly following this offering by 22C Magellan Holdings LLC, whose two principal members are 22C DiscoverOrg Investors, LLC and 22C Capital I, L.P. 22C DiscoverOrg MM, LLC is the managing member of 22C DiscoverOrg Investors, LLC. 22C DiscoverOrg Advisors, LLC is the managing member of 22C DiscoverOrg MM, LLC.

F4 · ownership.nature: 22C Capital GP I, L.L.C. is the general partner of 22C Capital I, L.P. and of 22C Capital I-A, L.P. 22C Capital GP I MM LLC is the managing member of 22C Capital GP I, L.L.C. Eric J. Edell and D. Randall Winn are co-managing members of 22C DiscoverOrg Advisors, LLC and co-members of 22C Capital GP I MM LLC and, in such capacities, may be deemed to indirectly control each of 22C Magellan Holdings LLC and 22C Capital I-A, L.P. However, Mr. Winn has irrevocably waived all of his power to make voting and investment decisions with respect to the shares held by each of 22C Magellan Holdings LLC, 22C DiscoverOrg MM, LLC and by 22C Capital I-A, L.P., and authorized Mr. Edell to exercise voting and investment power over the shares held directly by each of 22C Magellan Holdings LLC, 22C DiscoverOrg MM, LLC and by 22C Capital I-A, L.P.

F10 · ownership.nature: Each of the 22C Capital reporting persons, Mr. Edell and Mr. Winn disclaims beneficial ownership of these shares except to the extent of its or his pecuniary interest therein, and this report shall not be deemed an admission that such person is the beneficial owner of the shares for purposes of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0001140361-21-021199 · form4.xml · derivative · entry 10

Edell Eric J · CIK 0001813873 · 10% owner · See Remarks

22C Capital GP I, L.L.C · CIK 0001813836 · 10% owner · See Remarks

22C Capital GP I MM LLC · CIK 0001813837 · 10% owner · See Remarks

22C Capital I, L.P. · CIK 0001754570 · 10% owner · See Remarks

22C Capital I-A, L.P. · CIK 0001755053 · 10% owner · See Remarks

22C DiscoverOrg Advisors, LLC · CIK 0001813885 · 10% owner · See Remarks

22C DiscoverOrg MM, LLC · CIK 0001813838 · 10% owner · See Remarks

22C DiscoverOrg Investors, LLC · CIK 0001743159 · 10% owner · See Remarks

22C Magellan Holdings LLC · CIK 0001814161 · 10% owner · See Remarks

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 3,932,631

Underlying: Class A Common Stock · 802,143 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F6 · derivative.exercise_price: Pursuant to the terms of the limited liability company agreement for ZoomInfo Holdings LLC ("OpCo"), limited liability company units of OpCo ("OpCo Units") and an equal number of shares of the Issuer's Class B common stock ("Class B Common Stock"), together are exchangeable for shares of Class A Common Stock on a one-for-one basis at the discretion of the holder, subject to exchange rate adjustments for stock splits, stock dividends, and reclassifications. These exchange rights do not expire. Shares of Class B Common Stock have no economic value and have 10 votes per share.

F6 · derivative.exercise_date: Pursuant to the terms of the limited liability company agreement for ZoomInfo Holdings LLC ("OpCo"), limited liability company units of OpCo ("OpCo Units") and an equal number of shares of the Issuer's Class B common stock ("Class B Common Stock"), together are exchangeable for shares of Class A Common Stock on a one-for-one basis at the discretion of the holder, subject to exchange rate adjustments for stock splits, stock dividends, and reclassifications. These exchange rights do not expire. Shares of Class B Common Stock have no economic value and have 10 votes per share.

F6 · derivative.expiration_date: Pursuant to the terms of the limited liability company agreement for ZoomInfo Holdings LLC ("OpCo"), limited liability company units of OpCo ("OpCo Units") and an equal number of shares of the Issuer's Class B common stock ("Class B Common Stock"), together are exchangeable for shares of Class A Common Stock on a one-for-one basis at the discretion of the holder, subject to exchange rate adjustments for stock splits, stock dividends, and reclassifications. These exchange rights do not expire. Shares of Class B Common Stock have no economic value and have 10 votes per share.

F1 · ownership.direct: These shares are held directly by FiveW DiscoverOrg, LLC, whose managing member is FiveW Capital LLC. D. Randall Winn is the managing member of FiveW Capital LLC and, in such capacity, may be deemed to indirectly control FiveW DiscoverOrg, LLC. However, Mr. Winn has irrevocably waived all of his power to make voting and investment decisions with respect to the shares held by FiveW DiscoverOrg, LLC and authorized Eric J. Edell to exercise voting and investment power over the shares held directly by FiveW DiscoverOrg, LLC. Each of FiveW DiscoverOrg, LLC, FiveW Capital LLC, Mr. Winn and Mr. Edell disclaims beneficial ownership of these shares except to the extent of its or his pecuniary interest therein, and this report shall not be deemed an admission that such person is the beneficial owner of the shares for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or for any other purpose.

F1 · ownership.nature: These shares are held directly by FiveW DiscoverOrg, LLC, whose managing member is FiveW Capital LLC. D. Randall Winn is the managing member of FiveW Capital LLC and, in such capacity, may be deemed to indirectly control FiveW DiscoverOrg, LLC. However, Mr. Winn has irrevocably waived all of his power to make voting and investment decisions with respect to the shares held by FiveW DiscoverOrg, LLC and authorized Eric J. Edell to exercise voting and investment power over the shares held directly by FiveW DiscoverOrg, LLC. Each of FiveW DiscoverOrg, LLC, FiveW Capital LLC, Mr. Winn and Mr. Edell disclaims beneficial ownership of these shares except to the extent of its or his pecuniary interest therein, and this report shall not be deemed an admission that such person is the beneficial owner of the shares for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or for any other purpose.

SEC source: 0001140361-21-021199 · form4.xml · derivative · entry 8

Edell Eric J · CIK 0001813873 · 10% owner · See Remarks

22C Capital GP I, L.L.C · CIK 0001813836 · 10% owner · See Remarks

22C Capital GP I MM LLC · CIK 0001813837 · 10% owner · See Remarks

22C Capital I, L.P. · CIK 0001754570 · 10% owner · See Remarks

22C Capital I-A, L.P. · CIK 0001755053 · 10% owner · See Remarks

22C DiscoverOrg Advisors, LLC · CIK 0001813885 · 10% owner · See Remarks

22C DiscoverOrg MM, LLC · CIK 0001813838 · 10% owner · See Remarks

22C DiscoverOrg Investors, LLC · CIK 0001743159 · 10% owner · See Remarks

22C Magellan Holdings LLC · CIK 0001814161 · 10% owner · See Remarks

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 334,859

Underlying: Class A Common Stock · 63,617 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F5 · derivative.exercise_price: Shares of the Issuer's Class C common stock ("Class C Common Stock") have ten votes per share and are convertible into shares of the Issuer's Class A common stock ("Class A Common Stock") on a one-for-one basis at the discretion of the holder. These conversion rights do not expire. In addition, each share of Class C Common Stock will convert automatically into one share of Class A Common Stock pursuant to the terms of the Issuer's Amended and Restated Certificate of Incorporation (the "Charter"), including upon any transfer, whether or not for value, except for certain affiliate transfers described in the Charter.

F5 · derivative.exercise_date: Shares of the Issuer's Class C common stock ("Class C Common Stock") have ten votes per share and are convertible into shares of the Issuer's Class A common stock ("Class A Common Stock") on a one-for-one basis at the discretion of the holder. These conversion rights do not expire. In addition, each share of Class C Common Stock will convert automatically into one share of Class A Common Stock pursuant to the terms of the Issuer's Amended and Restated Certificate of Incorporation (the "Charter"), including upon any transfer, whether or not for value, except for certain affiliate transfers described in the Charter.

F5 · derivative.expiration_date: Shares of the Issuer's Class C common stock ("Class C Common Stock") have ten votes per share and are convertible into shares of the Issuer's Class A common stock ("Class A Common Stock") on a one-for-one basis at the discretion of the holder. These conversion rights do not expire. In addition, each share of Class C Common Stock will convert automatically into one share of Class A Common Stock pursuant to the terms of the Issuer's Amended and Restated Certificate of Incorporation (the "Charter"), including upon any transfer, whether or not for value, except for certain affiliate transfers described in the Charter.

F3 · ownership.direct: These shares are held directly by 22C Capital I-A, L.P.

F4 · ownership.direct: 22C Capital GP I, L.L.C. is the general partner of 22C Capital I, L.P. and of 22C Capital I-A, L.P. 22C Capital GP I MM LLC is the managing member of 22C Capital GP I, L.L.C. Eric J. Edell and D. Randall Winn are co-managing members of 22C DiscoverOrg Advisors, LLC and co-members of 22C Capital GP I MM LLC and, in such capacities, may be deemed to indirectly control each of 22C Magellan Holdings LLC and 22C Capital I-A, L.P. However, Mr. Winn has irrevocably waived all of his power to make voting and investment decisions with respect to the shares held by each of 22C Magellan Holdings LLC, 22C DiscoverOrg MM, LLC and by 22C Capital I-A, L.P., and authorized Mr. Edell to exercise voting and investment power over the shares held directly by each of 22C Magellan Holdings LLC, 22C DiscoverOrg MM, LLC and by 22C Capital I-A, L.P.

F10 · ownership.direct: Each of the 22C Capital reporting persons, Mr. Edell and Mr. Winn disclaims beneficial ownership of these shares except to the extent of its or his pecuniary interest therein, and this report shall not be deemed an admission that such person is the beneficial owner of the shares for purposes of Section 16 of the Exchange Act, or for any other purpose.

F3 · ownership.nature: These shares are held directly by 22C Capital I-A, L.P.

F4 · ownership.nature: 22C Capital GP I, L.L.C. is the general partner of 22C Capital I, L.P. and of 22C Capital I-A, L.P. 22C Capital GP I MM LLC is the managing member of 22C Capital GP I, L.L.C. Eric J. Edell and D. Randall Winn are co-managing members of 22C DiscoverOrg Advisors, LLC and co-members of 22C Capital GP I MM LLC and, in such capacities, may be deemed to indirectly control each of 22C Magellan Holdings LLC and 22C Capital I-A, L.P. However, Mr. Winn has irrevocably waived all of his power to make voting and investment decisions with respect to the shares held by each of 22C Magellan Holdings LLC, 22C DiscoverOrg MM, LLC and by 22C Capital I-A, L.P., and authorized Mr. Edell to exercise voting and investment power over the shares held directly by each of 22C Magellan Holdings LLC, 22C DiscoverOrg MM, LLC and by 22C Capital I-A, L.P.

F10 · ownership.nature: Each of the 22C Capital reporting persons, Mr. Edell and Mr. Winn disclaims beneficial ownership of these shares except to the extent of its or his pecuniary interest therein, and this report shall not be deemed an admission that such person is the beneficial owner of the shares for purposes of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0001140361-21-021199 · form4.xml · nonDerivative · entry 7

Edell Eric J · CIK 0001813873 · 10% owner · See Remarks

22C Capital GP I, L.L.C · CIK 0001813836 · 10% owner · See Remarks

22C Capital GP I MM LLC · CIK 0001813837 · 10% owner · See Remarks

22C Capital I, L.P. · CIK 0001754570 · 10% owner · See Remarks

22C Capital I-A, L.P. · CIK 0001755053 · 10% owner · See Remarks

22C DiscoverOrg Advisors, LLC · CIK 0001813885 · 10% owner · See Remarks

22C DiscoverOrg MM, LLC · CIK 0001813838 · 10% owner · See Remarks

22C DiscoverOrg Investors, LLC · CIK 0001743159 · 10% owner · See Remarks

22C Magellan Holdings LLC · CIK 0001814161 · 10% owner · See Remarks

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 57,493

F9 · balance_after: In connection with the February 23, 2021 transfer of Class C Common Stock from 22C Magellan Holdings LLC to 22C DiscoverOrg MM, LLC, which was disclosed in footnote 9 of the Form 4 filed by the Reporting Persons on February 26, 2021 and was exempt from Section 16 of the Exchange Act pursuant to Rule 16a-13 under the Exchange Act, 22C DiscoverOrg MM, LLC received 502,168 shares.

F4 · ownership.direct: 22C Capital GP I, L.L.C. is the general partner of 22C Capital I, L.P. and of 22C Capital I-A, L.P. 22C Capital GP I MM LLC is the managing member of 22C Capital GP I, L.L.C. Eric J. Edell and D. Randall Winn are co-managing members of 22C DiscoverOrg Advisors, LLC and co-members of 22C Capital GP I MM LLC and, in such capacities, may be deemed to indirectly control each of 22C Magellan Holdings LLC and 22C Capital I-A, L.P. However, Mr. Winn has irrevocably waived all of his power to make voting and investment decisions with respect to the shares held by each of 22C Magellan Holdings LLC, 22C DiscoverOrg MM, LLC and by 22C Capital I-A, L.P., and authorized Mr. Edell to exercise voting and investment power over the shares held directly by each of 22C Magellan Holdings LLC, 22C DiscoverOrg MM, LLC and by 22C Capital I-A, L.P.

F8 · ownership.direct: These shares are held directly by 22C DiscoverOrg MM, LLC. 22C DiscoverOrg Advisors, LLC is the managing member of 22C DiscoverOrg MM, LLC.

F10 · ownership.direct: Each of the 22C Capital reporting persons, Mr. Edell and Mr. Winn disclaims beneficial ownership of these shares except to the extent of its or his pecuniary interest therein, and this report shall not be deemed an admission that such person is the beneficial owner of the shares for purposes of Section 16 of the Exchange Act, or for any other purpose.

F4 · ownership.nature: 22C Capital GP I, L.L.C. is the general partner of 22C Capital I, L.P. and of 22C Capital I-A, L.P. 22C Capital GP I MM LLC is the managing member of 22C Capital GP I, L.L.C. Eric J. Edell and D. Randall Winn are co-managing members of 22C DiscoverOrg Advisors, LLC and co-members of 22C Capital GP I MM LLC and, in such capacities, may be deemed to indirectly control each of 22C Magellan Holdings LLC and 22C Capital I-A, L.P. However, Mr. Winn has irrevocably waived all of his power to make voting and investment decisions with respect to the shares held by each of 22C Magellan Holdings LLC, 22C DiscoverOrg MM, LLC and by 22C Capital I-A, L.P., and authorized Mr. Edell to exercise voting and investment power over the shares held directly by each of 22C Magellan Holdings LLC, 22C DiscoverOrg MM, LLC and by 22C Capital I-A, L.P.

F8 · ownership.nature: These shares are held directly by 22C DiscoverOrg MM, LLC. 22C DiscoverOrg Advisors, LLC is the managing member of 22C DiscoverOrg MM, LLC.

F10 · ownership.nature: Each of the 22C Capital reporting persons, Mr. Edell and Mr. Winn disclaims beneficial ownership of these shares except to the extent of its or his pecuniary interest therein, and this report shall not be deemed an admission that such person is the beneficial owner of the shares for purposes of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0001140361-21-021199 · form4.xml · nonDerivative · entry 6

Edell Eric J · CIK 0001813873 · 10% owner · See Remarks

22C Capital GP I, L.L.C · CIK 0001813836 · 10% owner · See Remarks

22C Capital GP I MM LLC · CIK 0001813837 · 10% owner · See Remarks

22C Capital I, L.P. · CIK 0001754570 · 10% owner · See Remarks

22C Capital I-A, L.P. · CIK 0001755053 · 10% owner · See Remarks

22C DiscoverOrg Advisors, LLC · CIK 0001813885 · 10% owner · See Remarks

22C DiscoverOrg MM, LLC · CIK 0001813838 · 10% owner · See Remarks

22C DiscoverOrg Investors, LLC · CIK 0001743159 · 10% owner · See Remarks

22C Magellan Holdings LLC · CIK 0001814161 · 10% owner · See Remarks

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 0

F2 · ownership.direct: These shares are held directly following this offering by 22C Magellan Holdings LLC, whose two principal members are 22C DiscoverOrg Investors, LLC and 22C Capital I, L.P. 22C DiscoverOrg MM, LLC is the managing member of 22C DiscoverOrg Investors, LLC. 22C DiscoverOrg Advisors, LLC is the managing member of 22C DiscoverOrg MM, LLC.

F4 · ownership.direct: 22C Capital GP I, L.L.C. is the general partner of 22C Capital I, L.P. and of 22C Capital I-A, L.P. 22C Capital GP I MM LLC is the managing member of 22C Capital GP I, L.L.C. Eric J. Edell and D. Randall Winn are co-managing members of 22C DiscoverOrg Advisors, LLC and co-members of 22C Capital GP I MM LLC and, in such capacities, may be deemed to indirectly control each of 22C Magellan Holdings LLC and 22C Capital I-A, L.P. However, Mr. Winn has irrevocably waived all of his power to make voting and investment decisions with respect to the shares held by each of 22C Magellan Holdings LLC, 22C DiscoverOrg MM, LLC and by 22C Capital I-A, L.P., and authorized Mr. Edell to exercise voting and investment power over the shares held directly by each of 22C Magellan Holdings LLC, 22C DiscoverOrg MM, LLC and by 22C Capital I-A, L.P.

F10 · ownership.direct: Each of the 22C Capital reporting persons, Mr. Edell and Mr. Winn disclaims beneficial ownership of these shares except to the extent of its or his pecuniary interest therein, and this report shall not be deemed an admission that such person is the beneficial owner of the shares for purposes of Section 16 of the Exchange Act, or for any other purpose.

F2 · ownership.nature: These shares are held directly following this offering by 22C Magellan Holdings LLC, whose two principal members are 22C DiscoverOrg Investors, LLC and 22C Capital I, L.P. 22C DiscoverOrg MM, LLC is the managing member of 22C DiscoverOrg Investors, LLC. 22C DiscoverOrg Advisors, LLC is the managing member of 22C DiscoverOrg MM, LLC.

F4 · ownership.nature: 22C Capital GP I, L.L.C. is the general partner of 22C Capital I, L.P. and of 22C Capital I-A, L.P. 22C Capital GP I MM LLC is the managing member of 22C Capital GP I, L.L.C. Eric J. Edell and D. Randall Winn are co-managing members of 22C DiscoverOrg Advisors, LLC and co-members of 22C Capital GP I MM LLC and, in such capacities, may be deemed to indirectly control each of 22C Magellan Holdings LLC and 22C Capital I-A, L.P. However, Mr. Winn has irrevocably waived all of his power to make voting and investment decisions with respect to the shares held by each of 22C Magellan Holdings LLC, 22C DiscoverOrg MM, LLC and by 22C Capital I-A, L.P., and authorized Mr. Edell to exercise voting and investment power over the shares held directly by each of 22C Magellan Holdings LLC, 22C DiscoverOrg MM, LLC and by 22C Capital I-A, L.P.

F10 · ownership.nature: Each of the 22C Capital reporting persons, Mr. Edell and Mr. Winn disclaims beneficial ownership of these shares except to the extent of its or his pecuniary interest therein, and this report shall not be deemed an admission that such person is the beneficial owner of the shares for purposes of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0001140361-21-021199 · form4.xml · nonDerivative · entry 5

Edell Eric J · CIK 0001813873 · 10% owner · See Remarks

22C Capital GP I, L.L.C · CIK 0001813836 · 10% owner · See Remarks

22C Capital GP I MM LLC · CIK 0001813837 · 10% owner · See Remarks

22C Capital I, L.P. · CIK 0001754570 · 10% owner · See Remarks

22C Capital I-A, L.P. · CIK 0001755053 · 10% owner · See Remarks

22C DiscoverOrg Advisors, LLC · CIK 0001813885 · 10% owner · See Remarks

22C DiscoverOrg MM, LLC · CIK 0001813838 · 10% owner · See Remarks

22C DiscoverOrg Investors, LLC · CIK 0001743159 · 10% owner · See Remarks

22C Magellan Holdings LLC · CIK 0001814161 · 10% owner · See Remarks

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

F1 · ownership.direct: These shares are held directly by FiveW DiscoverOrg, LLC, whose managing member is FiveW Capital LLC. D. Randall Winn is the managing member of FiveW Capital LLC and, in such capacity, may be deemed to indirectly control FiveW DiscoverOrg, LLC. However, Mr. Winn has irrevocably waived all of his power to make voting and investment decisions with respect to the shares held by FiveW DiscoverOrg, LLC and authorized Eric J. Edell to exercise voting and investment power over the shares held directly by FiveW DiscoverOrg, LLC. Each of FiveW DiscoverOrg, LLC, FiveW Capital LLC, Mr. Winn and Mr. Edell disclaims beneficial ownership of these shares except to the extent of its or his pecuniary interest therein, and this report shall not be deemed an admission that such person is the beneficial owner of the shares for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or for any other purpose.

F1 · ownership.nature: These shares are held directly by FiveW DiscoverOrg, LLC, whose managing member is FiveW Capital LLC. D. Randall Winn is the managing member of FiveW Capital LLC and, in such capacity, may be deemed to indirectly control FiveW DiscoverOrg, LLC. However, Mr. Winn has irrevocably waived all of his power to make voting and investment decisions with respect to the shares held by FiveW DiscoverOrg, LLC and authorized Eric J. Edell to exercise voting and investment power over the shares held directly by FiveW DiscoverOrg, LLC. Each of FiveW DiscoverOrg, LLC, FiveW Capital LLC, Mr. Winn and Mr. Edell disclaims beneficial ownership of these shares except to the extent of its or his pecuniary interest therein, and this report shall not be deemed an admission that such person is the beneficial owner of the shares for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or for any other purpose.

SEC source: 0001140361-21-021199 · form4.xml · nonDerivative · entry 4

Edell Eric J · CIK 0001813873 · 10% owner · See Remarks

22C Capital GP I, L.L.C · CIK 0001813836 · 10% owner · See Remarks

22C Capital GP I MM LLC · CIK 0001813837 · 10% owner · See Remarks

22C Capital I, L.P. · CIK 0001754570 · 10% owner · See Remarks

22C Capital I-A, L.P. · CIK 0001755053 · 10% owner · See Remarks

22C DiscoverOrg Advisors, LLC · CIK 0001813885 · 10% owner · See Remarks

22C DiscoverOrg MM, LLC · CIK 0001813838 · 10% owner · See Remarks

22C DiscoverOrg Investors, LLC · CIK 0001743159 · 10% owner · See Remarks

22C Magellan Holdings LLC · CIK 0001814161 · 10% owner · See Remarks

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 0

F3 · ownership.direct: These shares are held directly by 22C Capital I-A, L.P.

F4 · ownership.direct: 22C Capital GP I, L.L.C. is the general partner of 22C Capital I, L.P. and of 22C Capital I-A, L.P. 22C Capital GP I MM LLC is the managing member of 22C Capital GP I, L.L.C. Eric J. Edell and D. Randall Winn are co-managing members of 22C DiscoverOrg Advisors, LLC and co-members of 22C Capital GP I MM LLC and, in such capacities, may be deemed to indirectly control each of 22C Magellan Holdings LLC and 22C Capital I-A, L.P. However, Mr. Winn has irrevocably waived all of his power to make voting and investment decisions with respect to the shares held by each of 22C Magellan Holdings LLC, 22C DiscoverOrg MM, LLC and by 22C Capital I-A, L.P., and authorized Mr. Edell to exercise voting and investment power over the shares held directly by each of 22C Magellan Holdings LLC, 22C DiscoverOrg MM, LLC and by 22C Capital I-A, L.P.

F10 · ownership.direct: Each of the 22C Capital reporting persons, Mr. Edell and Mr. Winn disclaims beneficial ownership of these shares except to the extent of its or his pecuniary interest therein, and this report shall not be deemed an admission that such person is the beneficial owner of the shares for purposes of Section 16 of the Exchange Act, or for any other purpose.

F3 · ownership.nature: These shares are held directly by 22C Capital I-A, L.P.

F4 · ownership.nature: 22C Capital GP I, L.L.C. is the general partner of 22C Capital I, L.P. and of 22C Capital I-A, L.P. 22C Capital GP I MM LLC is the managing member of 22C Capital GP I, L.L.C. Eric J. Edell and D. Randall Winn are co-managing members of 22C DiscoverOrg Advisors, LLC and co-members of 22C Capital GP I MM LLC and, in such capacities, may be deemed to indirectly control each of 22C Magellan Holdings LLC and 22C Capital I-A, L.P. However, Mr. Winn has irrevocably waived all of his power to make voting and investment decisions with respect to the shares held by each of 22C Magellan Holdings LLC, 22C DiscoverOrg MM, LLC and by 22C Capital I-A, L.P., and authorized Mr. Edell to exercise voting and investment power over the shares held directly by each of 22C Magellan Holdings LLC, 22C DiscoverOrg MM, LLC and by 22C Capital I-A, L.P.

F10 · ownership.nature: Each of the 22C Capital reporting persons, Mr. Edell and Mr. Winn disclaims beneficial ownership of these shares except to the extent of its or his pecuniary interest therein, and this report shall not be deemed an admission that such person is the beneficial owner of the shares for purposes of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0001140361-21-021199 · form4.xml · nonDerivative · entry 3

Edell Eric J · CIK 0001813873 · 10% owner · See Remarks

22C Capital GP I, L.L.C · CIK 0001813836 · 10% owner · See Remarks

22C Capital GP I MM LLC · CIK 0001813837 · 10% owner · See Remarks

22C Capital I, L.P. · CIK 0001754570 · 10% owner · See Remarks

22C Capital I-A, L.P. · CIK 0001755053 · 10% owner · See Remarks

22C DiscoverOrg Advisors, LLC · CIK 0001813885 · 10% owner · See Remarks

22C DiscoverOrg MM, LLC · CIK 0001813838 · 10% owner · See Remarks

22C DiscoverOrg Investors, LLC · CIK 0001743159 · 10% owner · See Remarks

22C Magellan Holdings LLC · CIK 0001814161 · 10% owner · See Remarks

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 1,939,565

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F6 · price: Pursuant to the terms of the limited liability company agreement for ZoomInfo Holdings LLC ("OpCo"), limited liability company units of OpCo ("OpCo Units") and an equal number of shares of the Issuer's Class B common stock ("Class B Common Stock"), together are exchangeable for shares of Class A Common Stock on a one-for-one basis at the discretion of the holder, subject to exchange rate adjustments for stock splits, stock dividends, and reclassifications. These exchange rights do not expire. Shares of Class B Common Stock have no economic value and have 10 votes per share.

F2 · ownership.direct: These shares are held directly following this offering by 22C Magellan Holdings LLC, whose two principal members are 22C DiscoverOrg Investors, LLC and 22C Capital I, L.P. 22C DiscoverOrg MM, LLC is the managing member of 22C DiscoverOrg Investors, LLC. 22C DiscoverOrg Advisors, LLC is the managing member of 22C DiscoverOrg MM, LLC.

F4 · ownership.direct: 22C Capital GP I, L.L.C. is the general partner of 22C Capital I, L.P. and of 22C Capital I-A, L.P. 22C Capital GP I MM LLC is the managing member of 22C Capital GP I, L.L.C. Eric J. Edell and D. Randall Winn are co-managing members of 22C DiscoverOrg Advisors, LLC and co-members of 22C Capital GP I MM LLC and, in such capacities, may be deemed to indirectly control each of 22C Magellan Holdings LLC and 22C Capital I-A, L.P. However, Mr. Winn has irrevocably waived all of his power to make voting and investment decisions with respect to the shares held by each of 22C Magellan Holdings LLC, 22C DiscoverOrg MM, LLC and by 22C Capital I-A, L.P., and authorized Mr. Edell to exercise voting and investment power over the shares held directly by each of 22C Magellan Holdings LLC, 22C DiscoverOrg MM, LLC and by 22C Capital I-A, L.P.

F10 · ownership.direct: Each of the 22C Capital reporting persons, Mr. Edell and Mr. Winn disclaims beneficial ownership of these shares except to the extent of its or his pecuniary interest therein, and this report shall not be deemed an admission that such person is the beneficial owner of the shares for purposes of Section 16 of the Exchange Act, or for any other purpose.

F2 · ownership.nature: These shares are held directly following this offering by 22C Magellan Holdings LLC, whose two principal members are 22C DiscoverOrg Investors, LLC and 22C Capital I, L.P. 22C DiscoverOrg MM, LLC is the managing member of 22C DiscoverOrg Investors, LLC. 22C DiscoverOrg Advisors, LLC is the managing member of 22C DiscoverOrg MM, LLC.

F4 · ownership.nature: 22C Capital GP I, L.L.C. is the general partner of 22C Capital I, L.P. and of 22C Capital I-A, L.P. 22C Capital GP I MM LLC is the managing member of 22C Capital GP I, L.L.C. Eric J. Edell and D. Randall Winn are co-managing members of 22C DiscoverOrg Advisors, LLC and co-members of 22C Capital GP I MM LLC and, in such capacities, may be deemed to indirectly control each of 22C Magellan Holdings LLC and 22C Capital I-A, L.P. However, Mr. Winn has irrevocably waived all of his power to make voting and investment decisions with respect to the shares held by each of 22C Magellan Holdings LLC, 22C DiscoverOrg MM, LLC and by 22C Capital I-A, L.P., and authorized Mr. Edell to exercise voting and investment power over the shares held directly by each of 22C Magellan Holdings LLC, 22C DiscoverOrg MM, LLC and by 22C Capital I-A, L.P.

F10 · ownership.nature: Each of the 22C Capital reporting persons, Mr. Edell and Mr. Winn disclaims beneficial ownership of these shares except to the extent of its or his pecuniary interest therein, and this report shall not be deemed an admission that such person is the beneficial owner of the shares for purposes of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0001140361-21-021199 · form4.xml · nonDerivative · entry 2

Edell Eric J · CIK 0001813873 · 10% owner · See Remarks

22C Capital GP I, L.L.C · CIK 0001813836 · 10% owner · See Remarks

22C Capital GP I MM LLC · CIK 0001813837 · 10% owner · See Remarks

22C Capital I, L.P. · CIK 0001754570 · 10% owner · See Remarks

22C Capital I-A, L.P. · CIK 0001755053 · 10% owner · See Remarks

22C DiscoverOrg Advisors, LLC · CIK 0001813885 · 10% owner · See Remarks

22C DiscoverOrg MM, LLC · CIK 0001813838 · 10% owner · See Remarks

22C DiscoverOrg Investors, LLC · CIK 0001743159 · 10% owner · See Remarks

22C Magellan Holdings LLC · CIK 0001814161 · 10% owner · See Remarks

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 802,143

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F6 · price: Pursuant to the terms of the limited liability company agreement for ZoomInfo Holdings LLC ("OpCo"), limited liability company units of OpCo ("OpCo Units") and an equal number of shares of the Issuer's Class B common stock ("Class B Common Stock"), together are exchangeable for shares of Class A Common Stock on a one-for-one basis at the discretion of the holder, subject to exchange rate adjustments for stock splits, stock dividends, and reclassifications. These exchange rights do not expire. Shares of Class B Common Stock have no economic value and have 10 votes per share.

F1 · ownership.direct: These shares are held directly by FiveW DiscoverOrg, LLC, whose managing member is FiveW Capital LLC. D. Randall Winn is the managing member of FiveW Capital LLC and, in such capacity, may be deemed to indirectly control FiveW DiscoverOrg, LLC. However, Mr. Winn has irrevocably waived all of his power to make voting and investment decisions with respect to the shares held by FiveW DiscoverOrg, LLC and authorized Eric J. Edell to exercise voting and investment power over the shares held directly by FiveW DiscoverOrg, LLC. Each of FiveW DiscoverOrg, LLC, FiveW Capital LLC, Mr. Winn and Mr. Edell disclaims beneficial ownership of these shares except to the extent of its or his pecuniary interest therein, and this report shall not be deemed an admission that such person is the beneficial owner of the shares for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or for any other purpose.

F1 · ownership.nature: These shares are held directly by FiveW DiscoverOrg, LLC, whose managing member is FiveW Capital LLC. D. Randall Winn is the managing member of FiveW Capital LLC and, in such capacity, may be deemed to indirectly control FiveW DiscoverOrg, LLC. However, Mr. Winn has irrevocably waived all of his power to make voting and investment decisions with respect to the shares held by FiveW DiscoverOrg, LLC and authorized Eric J. Edell to exercise voting and investment power over the shares held directly by FiveW DiscoverOrg, LLC. Each of FiveW DiscoverOrg, LLC, FiveW Capital LLC, Mr. Winn and Mr. Edell disclaims beneficial ownership of these shares except to the extent of its or his pecuniary interest therein, and this report shall not be deemed an admission that such person is the beneficial owner of the shares for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or for any other purpose.

SEC source: 0001140361-21-021199 · form4.xml · nonDerivative · entry 1

Edell Eric J · CIK 0001813873 · 10% owner · See Remarks

22C Capital GP I, L.L.C · CIK 0001813836 · 10% owner · See Remarks

22C Capital GP I MM LLC · CIK 0001813837 · 10% owner · See Remarks

22C Capital I, L.P. · CIK 0001754570 · 10% owner · See Remarks

22C Capital I-A, L.P. · CIK 0001755053 · 10% owner · See Remarks

22C DiscoverOrg Advisors, LLC · CIK 0001813885 · 10% owner · See Remarks

22C DiscoverOrg MM, LLC · CIK 0001813838 · 10% owner · See Remarks

22C DiscoverOrg Investors, LLC · CIK 0001743159 · 10% owner · See Remarks

22C Magellan Holdings LLC · CIK 0001814161 · 10% owner · See Remarks

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 63,617

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F5 · price: Shares of the Issuer's Class C common stock ("Class C Common Stock") have ten votes per share and are convertible into shares of the Issuer's Class A common stock ("Class A Common Stock") on a one-for-one basis at the discretion of the holder. These conversion rights do not expire. In addition, each share of Class C Common Stock will convert automatically into one share of Class A Common Stock pursuant to the terms of the Issuer's Amended and Restated Certificate of Incorporation (the "Charter"), including upon any transfer, whether or not for value, except for certain affiliate transfers described in the Charter.

F3 · ownership.direct: These shares are held directly by 22C Capital I-A, L.P.

F4 · ownership.direct: 22C Capital GP I, L.L.C. is the general partner of 22C Capital I, L.P. and of 22C Capital I-A, L.P. 22C Capital GP I MM LLC is the managing member of 22C Capital GP I, L.L.C. Eric J. Edell and D. Randall Winn are co-managing members of 22C DiscoverOrg Advisors, LLC and co-members of 22C Capital GP I MM LLC and, in such capacities, may be deemed to indirectly control each of 22C Magellan Holdings LLC and 22C Capital I-A, L.P. However, Mr. Winn has irrevocably waived all of his power to make voting and investment decisions with respect to the shares held by each of 22C Magellan Holdings LLC, 22C DiscoverOrg MM, LLC and by 22C Capital I-A, L.P., and authorized Mr. Edell to exercise voting and investment power over the shares held directly by each of 22C Magellan Holdings LLC, 22C DiscoverOrg MM, LLC and by 22C Capital I-A, L.P.

F10 · ownership.direct: Each of the 22C Capital reporting persons, Mr. Edell and Mr. Winn disclaims beneficial ownership of these shares except to the extent of its or his pecuniary interest therein, and this report shall not be deemed an admission that such person is the beneficial owner of the shares for purposes of Section 16 of the Exchange Act, or for any other purpose.

F3 · ownership.nature: These shares are held directly by 22C Capital I-A, L.P.

F4 · ownership.nature: 22C Capital GP I, L.L.C. is the general partner of 22C Capital I, L.P. and of 22C Capital I-A, L.P. 22C Capital GP I MM LLC is the managing member of 22C Capital GP I, L.L.C. Eric J. Edell and D. Randall Winn are co-managing members of 22C DiscoverOrg Advisors, LLC and co-members of 22C Capital GP I MM LLC and, in such capacities, may be deemed to indirectly control each of 22C Magellan Holdings LLC and 22C Capital I-A, L.P. However, Mr. Winn has irrevocably waived all of his power to make voting and investment decisions with respect to the shares held by each of 22C Magellan Holdings LLC, 22C DiscoverOrg MM, LLC and by 22C Capital I-A, L.P., and authorized Mr. Edell to exercise voting and investment power over the shares held directly by each of 22C Magellan Holdings LLC, 22C DiscoverOrg MM, LLC and by 22C Capital I-A, L.P.

F10 · ownership.nature: Each of the 22C Capital reporting persons, Mr. Edell and Mr. Winn disclaims beneficial ownership of these shares except to the extent of its or his pecuniary interest therein, and this report shall not be deemed an admission that such person is the beneficial owner of the shares for purposes of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0001140361-21-021195 · form4.xml · derivative · entry 12

Winn David Randall · CIK 0001813116 · Director · 10% owner

FiveW Capital LLC · CIK 0001813869 · 10% owner · See Remarks

FiveW DiscoverOrg LLC · CIK 0001629062 · 10% owner · See Remarks

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 10,242,942

Underlying: Class A Common Stock · 1,939,565 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F6 · derivative.exercise_price: Pursuant to the terms of the limited liability company agreement for ZoomInfo Holdings LLC ("OpCo"), limited liability company units of OpCo ("OpCo Units") and an equal number of shares of the Issuer's Class B common stock ("Class B Common Stock"), together are exchangeable for shares of Class A Common Stock on a one-for-one basis at the discretion of the holder, subject to exchange rate adjustments for stock splits, stock dividends, and reclassifications. These exchange rights do not expire. Shares of Class B Common Stock have no economic value and have 10 votes per share.

F6 · derivative.exercise_date: Pursuant to the terms of the limited liability company agreement for ZoomInfo Holdings LLC ("OpCo"), limited liability company units of OpCo ("OpCo Units") and an equal number of shares of the Issuer's Class B common stock ("Class B Common Stock"), together are exchangeable for shares of Class A Common Stock on a one-for-one basis at the discretion of the holder, subject to exchange rate adjustments for stock splits, stock dividends, and reclassifications. These exchange rights do not expire. Shares of Class B Common Stock have no economic value and have 10 votes per share.

F6 · derivative.expiration_date: Pursuant to the terms of the limited liability company agreement for ZoomInfo Holdings LLC ("OpCo"), limited liability company units of OpCo ("OpCo Units") and an equal number of shares of the Issuer's Class B common stock ("Class B Common Stock"), together are exchangeable for shares of Class A Common Stock on a one-for-one basis at the discretion of the holder, subject to exchange rate adjustments for stock splits, stock dividends, and reclassifications. These exchange rights do not expire. Shares of Class B Common Stock have no economic value and have 10 votes per share.

F2 · ownership.direct: These shares are held directly following this offering by 22C Magellan Holdings LLC, whose two principal members are 22C DiscoverOrg Investors, LLC and 22C Capital I, L.P. 22C DiscoverOrg MM, LLC is the managing member of 22C DiscoverOrg Investors, LLC. 22C DiscoverOrg Advisors, LLC is the managing member of 22C DiscoverOrg MM, LLC.

F4 · ownership.direct: 22C Capital GP I, L.L.C. is the general partner of 22C Capital I, L.P. and of 22C Capital I-A, L.P. 22C Capital GP I MM LLC is the managing member of 22C Capital GP I, L.L.C. Eric J. Edell and D. Randall Winn are co-managing members of 22C DiscoverOrg Advisors, LLC and co-members of 22C Capital GP I MM LLC and, in such capacities, may be deemed to indirectly control each of 22C Magellan Holdings LLC and 22C Capital I-A, L.P. However, Mr. Winn has irrevocably waived all of his power to make voting and investment decisions with respect to the shares held by each of 22C Magellan Holdings LLC, 22C DiscoverOrg MM, LLC and by 22C Capital I-A, L.P., and authorized Mr. Edell to exercise voting and investment power over the shares held directly by each of 22C Magellan Holdings LLC, 22C DiscoverOrg MM, LLC and by 22C Capital I-A, L.P.

F10 · ownership.direct: Each of the 22C Capital reporting persons, Mr. Edell and Mr. Winn disclaims beneficial ownership of these shares except to the extent of its or his pecuniary interest therein, and this report shall not be deemed an admission that such person is the beneficial owner of the shares for purposes of Section 16 of the Exchange Act, or for any other purpose.

F2 · ownership.nature: These shares are held directly following this offering by 22C Magellan Holdings LLC, whose two principal members are 22C DiscoverOrg Investors, LLC and 22C Capital I, L.P. 22C DiscoverOrg MM, LLC is the managing member of 22C DiscoverOrg Investors, LLC. 22C DiscoverOrg Advisors, LLC is the managing member of 22C DiscoverOrg MM, LLC.

F4 · ownership.nature: 22C Capital GP I, L.L.C. is the general partner of 22C Capital I, L.P. and of 22C Capital I-A, L.P. 22C Capital GP I MM LLC is the managing member of 22C Capital GP I, L.L.C. Eric J. Edell and D. Randall Winn are co-managing members of 22C DiscoverOrg Advisors, LLC and co-members of 22C Capital GP I MM LLC and, in such capacities, may be deemed to indirectly control each of 22C Magellan Holdings LLC and 22C Capital I-A, L.P. However, Mr. Winn has irrevocably waived all of his power to make voting and investment decisions with respect to the shares held by each of 22C Magellan Holdings LLC, 22C DiscoverOrg MM, LLC and by 22C Capital I-A, L.P., and authorized Mr. Edell to exercise voting and investment power over the shares held directly by each of 22C Magellan Holdings LLC, 22C DiscoverOrg MM, LLC and by 22C Capital I-A, L.P.

F10 · ownership.nature: Each of the 22C Capital reporting persons, Mr. Edell and Mr. Winn disclaims beneficial ownership of these shares except to the extent of its or his pecuniary interest therein, and this report shall not be deemed an admission that such person is the beneficial owner of the shares for purposes of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0001140361-21-021195 · form4.xml · derivative · entry 11

Winn David Randall · CIK 0001813116 · Director · 10% owner

FiveW Capital LLC · CIK 0001813869 · 10% owner · See Remarks

FiveW DiscoverOrg LLC · CIK 0001629062 · 10% owner · See Remarks

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 3,932,631

Underlying: Class A Common Stock · 802,143 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F6 · derivative.exercise_price: Pursuant to the terms of the limited liability company agreement for ZoomInfo Holdings LLC ("OpCo"), limited liability company units of OpCo ("OpCo Units") and an equal number of shares of the Issuer's Class B common stock ("Class B Common Stock"), together are exchangeable for shares of Class A Common Stock on a one-for-one basis at the discretion of the holder, subject to exchange rate adjustments for stock splits, stock dividends, and reclassifications. These exchange rights do not expire. Shares of Class B Common Stock have no economic value and have 10 votes per share.

F6 · derivative.exercise_date: Pursuant to the terms of the limited liability company agreement for ZoomInfo Holdings LLC ("OpCo"), limited liability company units of OpCo ("OpCo Units") and an equal number of shares of the Issuer's Class B common stock ("Class B Common Stock"), together are exchangeable for shares of Class A Common Stock on a one-for-one basis at the discretion of the holder, subject to exchange rate adjustments for stock splits, stock dividends, and reclassifications. These exchange rights do not expire. Shares of Class B Common Stock have no economic value and have 10 votes per share.

F6 · derivative.expiration_date: Pursuant to the terms of the limited liability company agreement for ZoomInfo Holdings LLC ("OpCo"), limited liability company units of OpCo ("OpCo Units") and an equal number of shares of the Issuer's Class B common stock ("Class B Common Stock"), together are exchangeable for shares of Class A Common Stock on a one-for-one basis at the discretion of the holder, subject to exchange rate adjustments for stock splits, stock dividends, and reclassifications. These exchange rights do not expire. Shares of Class B Common Stock have no economic value and have 10 votes per share.

F1 · ownership.direct: These shares are held directly by FiveW DiscoverOrg, LLC, whose managing member is FiveW Capital LLC. D. Randall Winn is the managing member of FiveW Capital LLC and, in such capacity, may be deemed to indirectly control FiveW DiscoverOrg, LLC. However, Mr. Winn has irrevocably waived all of his power to make voting and investment decisions with respect to the shares held by FiveW DiscoverOrg, LLC and authorized Eric J. Edell to exercise voting and investment power over the shares held directly by FiveW DiscoverOrg, LLC. Each of FiveW DiscoverOrg, LLC, FiveW Capital LLC, Mr. Winn and Mr. Edell disclaims beneficial ownership of these shares except to the extent of its or his pecuniary interest therein, and this report shall not be deemed an admission that such person is the beneficial owner of the shares for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or for any other purpose.

F1 · ownership.nature: These shares are held directly by FiveW DiscoverOrg, LLC, whose managing member is FiveW Capital LLC. D. Randall Winn is the managing member of FiveW Capital LLC and, in such capacity, may be deemed to indirectly control FiveW DiscoverOrg, LLC. However, Mr. Winn has irrevocably waived all of his power to make voting and investment decisions with respect to the shares held by FiveW DiscoverOrg, LLC and authorized Eric J. Edell to exercise voting and investment power over the shares held directly by FiveW DiscoverOrg, LLC. Each of FiveW DiscoverOrg, LLC, FiveW Capital LLC, Mr. Winn and Mr. Edell disclaims beneficial ownership of these shares except to the extent of its or his pecuniary interest therein, and this report shall not be deemed an admission that such person is the beneficial owner of the shares for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or for any other purpose.

SEC source: 0001140361-21-021195 · form4.xml · derivative · entry 8

Winn David Randall · CIK 0001813116 · Director · 10% owner

FiveW Capital LLC · CIK 0001813869 · 10% owner · See Remarks

FiveW DiscoverOrg LLC · CIK 0001629062 · 10% owner · See Remarks

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 334,859

Underlying: Class A Common Stock · 63,617 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F5 · derivative.exercise_price: Shares of the Issuer's Class C common stock ("Class C Common Stock") have ten votes per share and are convertible into shares of the Issuer's Class A common stock ("Class A Common Stock") on a one-for-one basis at the discretion of the holder. These conversion rights do not expire. In addition, each share of Class C Common Stock will convert automatically into one share of Class A Common Stock pursuant to the terms of the Issuer's Amended and Restated Certificate of Incorporation (the "Charter"), including upon any transfer, whether or not for value, except for certain affiliate transfers described in the Charter.

F5 · derivative.exercise_date: Shares of the Issuer's Class C common stock ("Class C Common Stock") have ten votes per share and are convertible into shares of the Issuer's Class A common stock ("Class A Common Stock") on a one-for-one basis at the discretion of the holder. These conversion rights do not expire. In addition, each share of Class C Common Stock will convert automatically into one share of Class A Common Stock pursuant to the terms of the Issuer's Amended and Restated Certificate of Incorporation (the "Charter"), including upon any transfer, whether or not for value, except for certain affiliate transfers described in the Charter.

F5 · derivative.expiration_date: Shares of the Issuer's Class C common stock ("Class C Common Stock") have ten votes per share and are convertible into shares of the Issuer's Class A common stock ("Class A Common Stock") on a one-for-one basis at the discretion of the holder. These conversion rights do not expire. In addition, each share of Class C Common Stock will convert automatically into one share of Class A Common Stock pursuant to the terms of the Issuer's Amended and Restated Certificate of Incorporation (the "Charter"), including upon any transfer, whether or not for value, except for certain affiliate transfers described in the Charter.

F3 · ownership.direct: These shares are held directly by 22C Capital I-A, L.P.

F4 · ownership.direct: 22C Capital GP I, L.L.C. is the general partner of 22C Capital I, L.P. and of 22C Capital I-A, L.P. 22C Capital GP I MM LLC is the managing member of 22C Capital GP I, L.L.C. Eric J. Edell and D. Randall Winn are co-managing members of 22C DiscoverOrg Advisors, LLC and co-members of 22C Capital GP I MM LLC and, in such capacities, may be deemed to indirectly control each of 22C Magellan Holdings LLC and 22C Capital I-A, L.P. However, Mr. Winn has irrevocably waived all of his power to make voting and investment decisions with respect to the shares held by each of 22C Magellan Holdings LLC, 22C DiscoverOrg MM, LLC and by 22C Capital I-A, L.P., and authorized Mr. Edell to exercise voting and investment power over the shares held directly by each of 22C Magellan Holdings LLC, 22C DiscoverOrg MM, LLC and by 22C Capital I-A, L.P.

F10 · ownership.direct: Each of the 22C Capital reporting persons, Mr. Edell and Mr. Winn disclaims beneficial ownership of these shares except to the extent of its or his pecuniary interest therein, and this report shall not be deemed an admission that such person is the beneficial owner of the shares for purposes of Section 16 of the Exchange Act, or for any other purpose.

F3 · ownership.nature: These shares are held directly by 22C Capital I-A, L.P.

F4 · ownership.nature: 22C Capital GP I, L.L.C. is the general partner of 22C Capital I, L.P. and of 22C Capital I-A, L.P. 22C Capital GP I MM LLC is the managing member of 22C Capital GP I, L.L.C. Eric J. Edell and D. Randall Winn are co-managing members of 22C DiscoverOrg Advisors, LLC and co-members of 22C Capital GP I MM LLC and, in such capacities, may be deemed to indirectly control each of 22C Magellan Holdings LLC and 22C Capital I-A, L.P. However, Mr. Winn has irrevocably waived all of his power to make voting and investment decisions with respect to the shares held by each of 22C Magellan Holdings LLC, 22C DiscoverOrg MM, LLC and by 22C Capital I-A, L.P., and authorized Mr. Edell to exercise voting and investment power over the shares held directly by each of 22C Magellan Holdings LLC, 22C DiscoverOrg MM, LLC and by 22C Capital I-A, L.P.

F10 · ownership.nature: Each of the 22C Capital reporting persons, Mr. Edell and Mr. Winn disclaims beneficial ownership of these shares except to the extent of its or his pecuniary interest therein, and this report shall not be deemed an admission that such person is the beneficial owner of the shares for purposes of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0001140361-21-021195 · form4.xml · nonDerivative · entry 7

Winn David Randall · CIK 0001813116 · Director · 10% owner

FiveW Capital LLC · CIK 0001813869 · 10% owner · See Remarks

FiveW DiscoverOrg LLC · CIK 0001629062 · 10% owner · See Remarks

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 57,493

F9 · balance_after: In connection with the February 23, 2021 transfer of Class C Common Stock from 22C Magellan Holdings LLC to 22C DiscoverOrg MM, LLC, which was disclosed in footnote 9 of the Form 4 filed by the Reporting Persons on February 26, 2021 and was exempt from Section 16 of the Exchange Act pursuant to Rule 16a-13 under the Exchange Act, 22C DiscoverOrg MM, LLC received 502,168 shares.

F4 · ownership.direct: 22C Capital GP I, L.L.C. is the general partner of 22C Capital I, L.P. and of 22C Capital I-A, L.P. 22C Capital GP I MM LLC is the managing member of 22C Capital GP I, L.L.C. Eric J. Edell and D. Randall Winn are co-managing members of 22C DiscoverOrg Advisors, LLC and co-members of 22C Capital GP I MM LLC and, in such capacities, may be deemed to indirectly control each of 22C Magellan Holdings LLC and 22C Capital I-A, L.P. However, Mr. Winn has irrevocably waived all of his power to make voting and investment decisions with respect to the shares held by each of 22C Magellan Holdings LLC, 22C DiscoverOrg MM, LLC and by 22C Capital I-A, L.P., and authorized Mr. Edell to exercise voting and investment power over the shares held directly by each of 22C Magellan Holdings LLC, 22C DiscoverOrg MM, LLC and by 22C Capital I-A, L.P.

F8 · ownership.direct: These shares are held directly by 22C DiscoverOrg MM, LLC. 22C DiscoverOrg Advisors, LLC is the managing member of 22C DiscoverOrg MM, LLC.

F10 · ownership.direct: Each of the 22C Capital reporting persons, Mr. Edell and Mr. Winn disclaims beneficial ownership of these shares except to the extent of its or his pecuniary interest therein, and this report shall not be deemed an admission that such person is the beneficial owner of the shares for purposes of Section 16 of the Exchange Act, or for any other purpose.

F4 · ownership.nature: 22C Capital GP I, L.L.C. is the general partner of 22C Capital I, L.P. and of 22C Capital I-A, L.P. 22C Capital GP I MM LLC is the managing member of 22C Capital GP I, L.L.C. Eric J. Edell and D. Randall Winn are co-managing members of 22C DiscoverOrg Advisors, LLC and co-members of 22C Capital GP I MM LLC and, in such capacities, may be deemed to indirectly control each of 22C Magellan Holdings LLC and 22C Capital I-A, L.P. However, Mr. Winn has irrevocably waived all of his power to make voting and investment decisions with respect to the shares held by each of 22C Magellan Holdings LLC, 22C DiscoverOrg MM, LLC and by 22C Capital I-A, L.P., and authorized Mr. Edell to exercise voting and investment power over the shares held directly by each of 22C Magellan Holdings LLC, 22C DiscoverOrg MM, LLC and by 22C Capital I-A, L.P.

F8 · ownership.nature: These shares are held directly by 22C DiscoverOrg MM, LLC. 22C DiscoverOrg Advisors, LLC is the managing member of 22C DiscoverOrg MM, LLC.

F10 · ownership.nature: Each of the 22C Capital reporting persons, Mr. Edell and Mr. Winn disclaims beneficial ownership of these shares except to the extent of its or his pecuniary interest therein, and this report shall not be deemed an admission that such person is the beneficial owner of the shares for purposes of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0001140361-21-021195 · form4.xml · nonDerivative · entry 6

Winn David Randall · CIK 0001813116 · Director · 10% owner

FiveW Capital LLC · CIK 0001813869 · 10% owner · See Remarks

FiveW DiscoverOrg LLC · CIK 0001629062 · 10% owner · See Remarks

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 0

F2 · ownership.direct: These shares are held directly following this offering by 22C Magellan Holdings LLC, whose two principal members are 22C DiscoverOrg Investors, LLC and 22C Capital I, L.P. 22C DiscoverOrg MM, LLC is the managing member of 22C DiscoverOrg Investors, LLC. 22C DiscoverOrg Advisors, LLC is the managing member of 22C DiscoverOrg MM, LLC.

F4 · ownership.direct: 22C Capital GP I, L.L.C. is the general partner of 22C Capital I, L.P. and of 22C Capital I-A, L.P. 22C Capital GP I MM LLC is the managing member of 22C Capital GP I, L.L.C. Eric J. Edell and D. Randall Winn are co-managing members of 22C DiscoverOrg Advisors, LLC and co-members of 22C Capital GP I MM LLC and, in such capacities, may be deemed to indirectly control each of 22C Magellan Holdings LLC and 22C Capital I-A, L.P. However, Mr. Winn has irrevocably waived all of his power to make voting and investment decisions with respect to the shares held by each of 22C Magellan Holdings LLC, 22C DiscoverOrg MM, LLC and by 22C Capital I-A, L.P., and authorized Mr. Edell to exercise voting and investment power over the shares held directly by each of 22C Magellan Holdings LLC, 22C DiscoverOrg MM, LLC and by 22C Capital I-A, L.P.

F10 · ownership.direct: Each of the 22C Capital reporting persons, Mr. Edell and Mr. Winn disclaims beneficial ownership of these shares except to the extent of its or his pecuniary interest therein, and this report shall not be deemed an admission that such person is the beneficial owner of the shares for purposes of Section 16 of the Exchange Act, or for any other purpose.

F2 · ownership.nature: These shares are held directly following this offering by 22C Magellan Holdings LLC, whose two principal members are 22C DiscoverOrg Investors, LLC and 22C Capital I, L.P. 22C DiscoverOrg MM, LLC is the managing member of 22C DiscoverOrg Investors, LLC. 22C DiscoverOrg Advisors, LLC is the managing member of 22C DiscoverOrg MM, LLC.

F4 · ownership.nature: 22C Capital GP I, L.L.C. is the general partner of 22C Capital I, L.P. and of 22C Capital I-A, L.P. 22C Capital GP I MM LLC is the managing member of 22C Capital GP I, L.L.C. Eric J. Edell and D. Randall Winn are co-managing members of 22C DiscoverOrg Advisors, LLC and co-members of 22C Capital GP I MM LLC and, in such capacities, may be deemed to indirectly control each of 22C Magellan Holdings LLC and 22C Capital I-A, L.P. However, Mr. Winn has irrevocably waived all of his power to make voting and investment decisions with respect to the shares held by each of 22C Magellan Holdings LLC, 22C DiscoverOrg MM, LLC and by 22C Capital I-A, L.P., and authorized Mr. Edell to exercise voting and investment power over the shares held directly by each of 22C Magellan Holdings LLC, 22C DiscoverOrg MM, LLC and by 22C Capital I-A, L.P.

F10 · ownership.nature: Each of the 22C Capital reporting persons, Mr. Edell and Mr. Winn disclaims beneficial ownership of these shares except to the extent of its or his pecuniary interest therein, and this report shall not be deemed an admission that such person is the beneficial owner of the shares for purposes of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0001140361-21-021195 · form4.xml · nonDerivative · entry 5

Winn David Randall · CIK 0001813116 · Director · 10% owner

FiveW Capital LLC · CIK 0001813869 · 10% owner · See Remarks

FiveW DiscoverOrg LLC · CIK 0001629062 · 10% owner · See Remarks

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

F1 · ownership.direct: These shares are held directly by FiveW DiscoverOrg, LLC, whose managing member is FiveW Capital LLC. D. Randall Winn is the managing member of FiveW Capital LLC and, in such capacity, may be deemed to indirectly control FiveW DiscoverOrg, LLC. However, Mr. Winn has irrevocably waived all of his power to make voting and investment decisions with respect to the shares held by FiveW DiscoverOrg, LLC and authorized Eric J. Edell to exercise voting and investment power over the shares held directly by FiveW DiscoverOrg, LLC. Each of FiveW DiscoverOrg, LLC, FiveW Capital LLC, Mr. Winn and Mr. Edell disclaims beneficial ownership of these shares except to the extent of its or his pecuniary interest therein, and this report shall not be deemed an admission that such person is the beneficial owner of the shares for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or for any other purpose.

F1 · ownership.nature: These shares are held directly by FiveW DiscoverOrg, LLC, whose managing member is FiveW Capital LLC. D. Randall Winn is the managing member of FiveW Capital LLC and, in such capacity, may be deemed to indirectly control FiveW DiscoverOrg, LLC. However, Mr. Winn has irrevocably waived all of his power to make voting and investment decisions with respect to the shares held by FiveW DiscoverOrg, LLC and authorized Eric J. Edell to exercise voting and investment power over the shares held directly by FiveW DiscoverOrg, LLC. Each of FiveW DiscoverOrg, LLC, FiveW Capital LLC, Mr. Winn and Mr. Edell disclaims beneficial ownership of these shares except to the extent of its or his pecuniary interest therein, and this report shall not be deemed an admission that such person is the beneficial owner of the shares for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or for any other purpose.

SEC source: 0001140361-21-021195 · form4.xml · nonDerivative · entry 4

Winn David Randall · CIK 0001813116 · Director · 10% owner

FiveW Capital LLC · CIK 0001813869 · 10% owner · See Remarks

FiveW DiscoverOrg LLC · CIK 0001629062 · 10% owner · See Remarks

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 0

F3 · ownership.direct: These shares are held directly by 22C Capital I-A, L.P.

F4 · ownership.direct: 22C Capital GP I, L.L.C. is the general partner of 22C Capital I, L.P. and of 22C Capital I-A, L.P. 22C Capital GP I MM LLC is the managing member of 22C Capital GP I, L.L.C. Eric J. Edell and D. Randall Winn are co-managing members of 22C DiscoverOrg Advisors, LLC and co-members of 22C Capital GP I MM LLC and, in such capacities, may be deemed to indirectly control each of 22C Magellan Holdings LLC and 22C Capital I-A, L.P. However, Mr. Winn has irrevocably waived all of his power to make voting and investment decisions with respect to the shares held by each of 22C Magellan Holdings LLC, 22C DiscoverOrg MM, LLC and by 22C Capital I-A, L.P., and authorized Mr. Edell to exercise voting and investment power over the shares held directly by each of 22C Magellan Holdings LLC, 22C DiscoverOrg MM, LLC and by 22C Capital I-A, L.P.

F10 · ownership.direct: Each of the 22C Capital reporting persons, Mr. Edell and Mr. Winn disclaims beneficial ownership of these shares except to the extent of its or his pecuniary interest therein, and this report shall not be deemed an admission that such person is the beneficial owner of the shares for purposes of Section 16 of the Exchange Act, or for any other purpose.

F3 · ownership.nature: These shares are held directly by 22C Capital I-A, L.P.

F4 · ownership.nature: 22C Capital GP I, L.L.C. is the general partner of 22C Capital I, L.P. and of 22C Capital I-A, L.P. 22C Capital GP I MM LLC is the managing member of 22C Capital GP I, L.L.C. Eric J. Edell and D. Randall Winn are co-managing members of 22C DiscoverOrg Advisors, LLC and co-members of 22C Capital GP I MM LLC and, in such capacities, may be deemed to indirectly control each of 22C Magellan Holdings LLC and 22C Capital I-A, L.P. However, Mr. Winn has irrevocably waived all of his power to make voting and investment decisions with respect to the shares held by each of 22C Magellan Holdings LLC, 22C DiscoverOrg MM, LLC and by 22C Capital I-A, L.P., and authorized Mr. Edell to exercise voting and investment power over the shares held directly by each of 22C Magellan Holdings LLC, 22C DiscoverOrg MM, LLC and by 22C Capital I-A, L.P.

F10 · ownership.nature: Each of the 22C Capital reporting persons, Mr. Edell and Mr. Winn disclaims beneficial ownership of these shares except to the extent of its or his pecuniary interest therein, and this report shall not be deemed an admission that such person is the beneficial owner of the shares for purposes of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0001140361-21-021195 · form4.xml · nonDerivative · entry 3

Winn David Randall · CIK 0001813116 · Director · 10% owner

FiveW Capital LLC · CIK 0001813869 · 10% owner · See Remarks

FiveW DiscoverOrg LLC · CIK 0001629062 · 10% owner · See Remarks

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 1,939,565

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F6 · price: Pursuant to the terms of the limited liability company agreement for ZoomInfo Holdings LLC ("OpCo"), limited liability company units of OpCo ("OpCo Units") and an equal number of shares of the Issuer's Class B common stock ("Class B Common Stock"), together are exchangeable for shares of Class A Common Stock on a one-for-one basis at the discretion of the holder, subject to exchange rate adjustments for stock splits, stock dividends, and reclassifications. These exchange rights do not expire. Shares of Class B Common Stock have no economic value and have 10 votes per share.

F2 · ownership.direct: These shares are held directly following this offering by 22C Magellan Holdings LLC, whose two principal members are 22C DiscoverOrg Investors, LLC and 22C Capital I, L.P. 22C DiscoverOrg MM, LLC is the managing member of 22C DiscoverOrg Investors, LLC. 22C DiscoverOrg Advisors, LLC is the managing member of 22C DiscoverOrg MM, LLC.

F4 · ownership.direct: 22C Capital GP I, L.L.C. is the general partner of 22C Capital I, L.P. and of 22C Capital I-A, L.P. 22C Capital GP I MM LLC is the managing member of 22C Capital GP I, L.L.C. Eric J. Edell and D. Randall Winn are co-managing members of 22C DiscoverOrg Advisors, LLC and co-members of 22C Capital GP I MM LLC and, in such capacities, may be deemed to indirectly control each of 22C Magellan Holdings LLC and 22C Capital I-A, L.P. However, Mr. Winn has irrevocably waived all of his power to make voting and investment decisions with respect to the shares held by each of 22C Magellan Holdings LLC, 22C DiscoverOrg MM, LLC and by 22C Capital I-A, L.P., and authorized Mr. Edell to exercise voting and investment power over the shares held directly by each of 22C Magellan Holdings LLC, 22C DiscoverOrg MM, LLC and by 22C Capital I-A, L.P.

F10 · ownership.direct: Each of the 22C Capital reporting persons, Mr. Edell and Mr. Winn disclaims beneficial ownership of these shares except to the extent of its or his pecuniary interest therein, and this report shall not be deemed an admission that such person is the beneficial owner of the shares for purposes of Section 16 of the Exchange Act, or for any other purpose.

F2 · ownership.nature: These shares are held directly following this offering by 22C Magellan Holdings LLC, whose two principal members are 22C DiscoverOrg Investors, LLC and 22C Capital I, L.P. 22C DiscoverOrg MM, LLC is the managing member of 22C DiscoverOrg Investors, LLC. 22C DiscoverOrg Advisors, LLC is the managing member of 22C DiscoverOrg MM, LLC.

F4 · ownership.nature: 22C Capital GP I, L.L.C. is the general partner of 22C Capital I, L.P. and of 22C Capital I-A, L.P. 22C Capital GP I MM LLC is the managing member of 22C Capital GP I, L.L.C. Eric J. Edell and D. Randall Winn are co-managing members of 22C DiscoverOrg Advisors, LLC and co-members of 22C Capital GP I MM LLC and, in such capacities, may be deemed to indirectly control each of 22C Magellan Holdings LLC and 22C Capital I-A, L.P. However, Mr. Winn has irrevocably waived all of his power to make voting and investment decisions with respect to the shares held by each of 22C Magellan Holdings LLC, 22C DiscoverOrg MM, LLC and by 22C Capital I-A, L.P., and authorized Mr. Edell to exercise voting and investment power over the shares held directly by each of 22C Magellan Holdings LLC, 22C DiscoverOrg MM, LLC and by 22C Capital I-A, L.P.

F10 · ownership.nature: Each of the 22C Capital reporting persons, Mr. Edell and Mr. Winn disclaims beneficial ownership of these shares except to the extent of its or his pecuniary interest therein, and this report shall not be deemed an admission that such person is the beneficial owner of the shares for purposes of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0001140361-21-021195 · form4.xml · nonDerivative · entry 2

Winn David Randall · CIK 0001813116 · Director · 10% owner

FiveW Capital LLC · CIK 0001813869 · 10% owner · See Remarks

FiveW DiscoverOrg LLC · CIK 0001629062 · 10% owner · See Remarks

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 802,143

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F6 · price: Pursuant to the terms of the limited liability company agreement for ZoomInfo Holdings LLC ("OpCo"), limited liability company units of OpCo ("OpCo Units") and an equal number of shares of the Issuer's Class B common stock ("Class B Common Stock"), together are exchangeable for shares of Class A Common Stock on a one-for-one basis at the discretion of the holder, subject to exchange rate adjustments for stock splits, stock dividends, and reclassifications. These exchange rights do not expire. Shares of Class B Common Stock have no economic value and have 10 votes per share.

F1 · ownership.direct: These shares are held directly by FiveW DiscoverOrg, LLC, whose managing member is FiveW Capital LLC. D. Randall Winn is the managing member of FiveW Capital LLC and, in such capacity, may be deemed to indirectly control FiveW DiscoverOrg, LLC. However, Mr. Winn has irrevocably waived all of his power to make voting and investment decisions with respect to the shares held by FiveW DiscoverOrg, LLC and authorized Eric J. Edell to exercise voting and investment power over the shares held directly by FiveW DiscoverOrg, LLC. Each of FiveW DiscoverOrg, LLC, FiveW Capital LLC, Mr. Winn and Mr. Edell disclaims beneficial ownership of these shares except to the extent of its or his pecuniary interest therein, and this report shall not be deemed an admission that such person is the beneficial owner of the shares for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or for any other purpose.

F1 · ownership.nature: These shares are held directly by FiveW DiscoverOrg, LLC, whose managing member is FiveW Capital LLC. D. Randall Winn is the managing member of FiveW Capital LLC and, in such capacity, may be deemed to indirectly control FiveW DiscoverOrg, LLC. However, Mr. Winn has irrevocably waived all of his power to make voting and investment decisions with respect to the shares held by FiveW DiscoverOrg, LLC and authorized Eric J. Edell to exercise voting and investment power over the shares held directly by FiveW DiscoverOrg, LLC. Each of FiveW DiscoverOrg, LLC, FiveW Capital LLC, Mr. Winn and Mr. Edell disclaims beneficial ownership of these shares except to the extent of its or his pecuniary interest therein, and this report shall not be deemed an admission that such person is the beneficial owner of the shares for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or for any other purpose.

SEC source: 0001140361-21-021195 · form4.xml · nonDerivative · entry 1

Winn David Randall · CIK 0001813116 · Director · 10% owner

FiveW Capital LLC · CIK 0001813869 · 10% owner · See Remarks

FiveW DiscoverOrg LLC · CIK 0001629062 · 10% owner · See Remarks

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 63,617

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F5 · price: Shares of the Issuer's Class C common stock ("Class C Common Stock") have ten votes per share and are convertible into shares of the Issuer's Class A common stock ("Class A Common Stock") on a one-for-one basis at the discretion of the holder. These conversion rights do not expire. In addition, each share of Class C Common Stock will convert automatically into one share of Class A Common Stock pursuant to the terms of the Issuer's Amended and Restated Certificate of Incorporation (the "Charter"), including upon any transfer, whether or not for value, except for certain affiliate transfers described in the Charter.

F3 · ownership.direct: These shares are held directly by 22C Capital I-A, L.P.

F4 · ownership.direct: 22C Capital GP I, L.L.C. is the general partner of 22C Capital I, L.P. and of 22C Capital I-A, L.P. 22C Capital GP I MM LLC is the managing member of 22C Capital GP I, L.L.C. Eric J. Edell and D. Randall Winn are co-managing members of 22C DiscoverOrg Advisors, LLC and co-members of 22C Capital GP I MM LLC and, in such capacities, may be deemed to indirectly control each of 22C Magellan Holdings LLC and 22C Capital I-A, L.P. However, Mr. Winn has irrevocably waived all of his power to make voting and investment decisions with respect to the shares held by each of 22C Magellan Holdings LLC, 22C DiscoverOrg MM, LLC and by 22C Capital I-A, L.P., and authorized Mr. Edell to exercise voting and investment power over the shares held directly by each of 22C Magellan Holdings LLC, 22C DiscoverOrg MM, LLC and by 22C Capital I-A, L.P.

F10 · ownership.direct: Each of the 22C Capital reporting persons, Mr. Edell and Mr. Winn disclaims beneficial ownership of these shares except to the extent of its or his pecuniary interest therein, and this report shall not be deemed an admission that such person is the beneficial owner of the shares for purposes of Section 16 of the Exchange Act, or for any other purpose.

F3 · ownership.nature: These shares are held directly by 22C Capital I-A, L.P.

F4 · ownership.nature: 22C Capital GP I, L.L.C. is the general partner of 22C Capital I, L.P. and of 22C Capital I-A, L.P. 22C Capital GP I MM LLC is the managing member of 22C Capital GP I, L.L.C. Eric J. Edell and D. Randall Winn are co-managing members of 22C DiscoverOrg Advisors, LLC and co-members of 22C Capital GP I MM LLC and, in such capacities, may be deemed to indirectly control each of 22C Magellan Holdings LLC and 22C Capital I-A, L.P. However, Mr. Winn has irrevocably waived all of his power to make voting and investment decisions with respect to the shares held by each of 22C Magellan Holdings LLC, 22C DiscoverOrg MM, LLC and by 22C Capital I-A, L.P., and authorized Mr. Edell to exercise voting and investment power over the shares held directly by each of 22C Magellan Holdings LLC, 22C DiscoverOrg MM, LLC and by 22C Capital I-A, L.P.

F10 · ownership.nature: Each of the 22C Capital reporting persons, Mr. Edell and Mr. Winn disclaims beneficial ownership of these shares except to the extent of its or his pecuniary interest therein, and this report shall not be deemed an admission that such person is the beneficial owner of the shares for purposes of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0001794515-21-000260 · wf-form4_162985333521197.xml · derivative · entry 5

HSKB Funds II, LLC · CIK 0001834202 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,723,522

Underlying: Class A Common Stock · 313 shares

Expires not disclosed

F2 · derivative.exercise_price: Pursuant to the terms of the limited liability company agreement for ZoomInfo Intermediate Holdings LLC ("HoldCo"), limited liability company units of HoldCo ("HoldCo Units") and an equal number of shares of Class B Common Stock ("Class B Common Stock") of ZoomInfo Technologies Inc. ("ZoomInfo"), together are exchangeable for shares of Class A Common Stock of ZoomInfo on a one-for-one basis at the discretion of the holder, subject to exchange rate adjustments for stock splits, stock dividends, and reclassifications. These exchange rights do not expire. Shares of Class B Common Stock have no economic value and have 10 votes per share.

F3 · kind: Reflects a distribution of HoldCo Units to one or more employees of ZoomInfo and its subsidiaries.

F2 · derivative.exercise_date: Pursuant to the terms of the limited liability company agreement for ZoomInfo Intermediate Holdings LLC ("HoldCo"), limited liability company units of HoldCo ("HoldCo Units") and an equal number of shares of Class B Common Stock ("Class B Common Stock") of ZoomInfo Technologies Inc. ("ZoomInfo"), together are exchangeable for shares of Class A Common Stock of ZoomInfo on a one-for-one basis at the discretion of the holder, subject to exchange rate adjustments for stock splits, stock dividends, and reclassifications. These exchange rights do not expire. Shares of Class B Common Stock have no economic value and have 10 votes per share.

F2 · derivative.expiration_date: Pursuant to the terms of the limited liability company agreement for ZoomInfo Intermediate Holdings LLC ("HoldCo"), limited liability company units of HoldCo ("HoldCo Units") and an equal number of shares of Class B Common Stock ("Class B Common Stock") of ZoomInfo Technologies Inc. ("ZoomInfo"), together are exchangeable for shares of Class A Common Stock of ZoomInfo on a one-for-one basis at the discretion of the holder, subject to exchange rate adjustments for stock splits, stock dividends, and reclassifications. These exchange rights do not expire. Shares of Class B Common Stock have no economic value and have 10 votes per share.

F2 · derivative.underlying: Pursuant to the terms of the limited liability company agreement for ZoomInfo Intermediate Holdings LLC ("HoldCo"), limited liability company units of HoldCo ("HoldCo Units") and an equal number of shares of Class B Common Stock ("Class B Common Stock") of ZoomInfo Technologies Inc. ("ZoomInfo"), together are exchangeable for shares of Class A Common Stock of ZoomInfo on a one-for-one basis at the discretion of the holder, subject to exchange rate adjustments for stock splits, stock dividends, and reclassifications. These exchange rights do not expire. Shares of Class B Common Stock have no economic value and have 10 votes per share.

SEC source: 0001794515-21-000152 · wf-form4_162371584739723.xml · derivative · entry 6

Hays Joseph Christopher · CIK 0001813655 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 225,704

Underlying: Class A Common Stock · 15,000 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Reflects Class P limited liability company units of ZoomInfo Holdings LLC ("Class P Units") which are profits interests that are economically similar to a stock settled stock option. Vested Class P units are exchangeable, at the holder's election, into a number of shares of Class A common stock ("Class A Common Stock") of ZoomInfo Technologies Inc. (the "Issuer") equal in value to the "spread value" represented by the excess of the value of shares of Class A Common Stock at the time of exchange above the "distribution threshold" associated with the Class P Units, multiplied by the number of Class P Units being exchanged. The number reflected in Table II reflects the number of Class P Units held by the Reporting Person. Reflects an original amount of 350,704 Class P Units, of which 50% vested on July 1, 2020, and the remaining 50% vest in equal monthly installments during the 24 months following July 1, 2020.

F2 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan.

F1 · derivative.exercise_date: Reflects Class P limited liability company units of ZoomInfo Holdings LLC ("Class P Units") which are profits interests that are economically similar to a stock settled stock option. Vested Class P units are exchangeable, at the holder's election, into a number of shares of Class A common stock ("Class A Common Stock") of ZoomInfo Technologies Inc. (the "Issuer") equal in value to the "spread value" represented by the excess of the value of shares of Class A Common Stock at the time of exchange above the "distribution threshold" associated with the Class P Units, multiplied by the number of Class P Units being exchanged. The number reflected in Table II reflects the number of Class P Units held by the Reporting Person. Reflects an original amount of 350,704 Class P Units, of which 50% vested on July 1, 2020, and the remaining 50% vest in equal monthly installments during the 24 months following July 1, 2020.

F1 · derivative.expiration_date: Reflects Class P limited liability company units of ZoomInfo Holdings LLC ("Class P Units") which are profits interests that are economically similar to a stock settled stock option. Vested Class P units are exchangeable, at the holder's election, into a number of shares of Class A common stock ("Class A Common Stock") of ZoomInfo Technologies Inc. (the "Issuer") equal in value to the "spread value" represented by the excess of the value of shares of Class A Common Stock at the time of exchange above the "distribution threshold" associated with the Class P Units, multiplied by the number of Class P Units being exchanged. The number reflected in Table II reflects the number of Class P Units held by the Reporting Person. Reflects an original amount of 350,704 Class P Units, of which 50% vested on July 1, 2020, and the remaining 50% vest in equal monthly installments during the 24 months following July 1, 2020.

SEC source: 0001794515-21-000152 · wf-form4_162371584739723.xml · nonDerivative · entry 5

Hays Joseph Christopher · CIK 0001813655 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F2 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $46.37 to $46.46, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

SEC source: 0001794515-21-000152 · wf-form4_162371584739723.xml · nonDerivative · entry 4

Hays Joseph Christopher · CIK 0001813655 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,300

F2 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $45.37 to $46.36, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

SEC source: 0001794515-21-000152 · wf-form4_162371584739723.xml · nonDerivative · entry 3

Hays Joseph Christopher · CIK 0001813655 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,763

F2 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $44.36 to $45.35, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

SEC source: 0001794515-21-000152 · wf-form4_162371584739723.xml · nonDerivative · entry 2

Hays Joseph Christopher · CIK 0001813655 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,663

F2 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan.

F3 · kind: Reflects shares deemed to be withheld in connection with the exchange of Class P Units described herein.

SEC source: 0001794515-21-000152 · wf-form4_162371584739723.xml · nonDerivative · entry 1

Hays Joseph Christopher · CIK 0001813655 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,000

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Reflects Class P limited liability company units of ZoomInfo Holdings LLC ("Class P Units") which are profits interests that are economically similar to a stock settled stock option. Vested Class P units are exchangeable, at the holder's election, into a number of shares of Class A common stock ("Class A Common Stock") of ZoomInfo Technologies Inc. (the "Issuer") equal in value to the "spread value" represented by the excess of the value of shares of Class A Common Stock at the time of exchange above the "distribution threshold" associated with the Class P Units, multiplied by the number of Class P Units being exchanged. The number reflected in Table II reflects the number of Class P Units held by the Reporting Person. Reflects an original amount of 350,704 Class P Units, of which 50% vested on July 1, 2020, and the remaining 50% vest in equal monthly installments during the 24 months following July 1, 2020.

F2 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan.

SEC source: 0001794515-21-000260 · wf-form4_162985333521197.xml · derivative · entry 4

HSKB Funds II, LLC · CIK 0001834202 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,723,835

Underlying: Class A Common Stock · 3,001 shares

Expires not disclosed

F2 · derivative.exercise_price: Pursuant to the terms of the limited liability company agreement for ZoomInfo Intermediate Holdings LLC ("HoldCo"), limited liability company units of HoldCo ("HoldCo Units") and an equal number of shares of Class B Common Stock ("Class B Common Stock") of ZoomInfo Technologies Inc. ("ZoomInfo"), together are exchangeable for shares of Class A Common Stock of ZoomInfo on a one-for-one basis at the discretion of the holder, subject to exchange rate adjustments for stock splits, stock dividends, and reclassifications. These exchange rights do not expire. Shares of Class B Common Stock have no economic value and have 10 votes per share.

F3 · kind: Reflects a distribution of HoldCo Units to one or more employees of ZoomInfo and its subsidiaries.

F2 · derivative.exercise_date: Pursuant to the terms of the limited liability company agreement for ZoomInfo Intermediate Holdings LLC ("HoldCo"), limited liability company units of HoldCo ("HoldCo Units") and an equal number of shares of Class B Common Stock ("Class B Common Stock") of ZoomInfo Technologies Inc. ("ZoomInfo"), together are exchangeable for shares of Class A Common Stock of ZoomInfo on a one-for-one basis at the discretion of the holder, subject to exchange rate adjustments for stock splits, stock dividends, and reclassifications. These exchange rights do not expire. Shares of Class B Common Stock have no economic value and have 10 votes per share.

F2 · derivative.expiration_date: Pursuant to the terms of the limited liability company agreement for ZoomInfo Intermediate Holdings LLC ("HoldCo"), limited liability company units of HoldCo ("HoldCo Units") and an equal number of shares of Class B Common Stock ("Class B Common Stock") of ZoomInfo Technologies Inc. ("ZoomInfo"), together are exchangeable for shares of Class A Common Stock of ZoomInfo on a one-for-one basis at the discretion of the holder, subject to exchange rate adjustments for stock splits, stock dividends, and reclassifications. These exchange rights do not expire. Shares of Class B Common Stock have no economic value and have 10 votes per share.

F2 · derivative.underlying: Pursuant to the terms of the limited liability company agreement for ZoomInfo Intermediate Holdings LLC ("HoldCo"), limited liability company units of HoldCo ("HoldCo Units") and an equal number of shares of Class B Common Stock ("Class B Common Stock") of ZoomInfo Technologies Inc. ("ZoomInfo"), together are exchangeable for shares of Class A Common Stock of ZoomInfo on a one-for-one basis at the discretion of the holder, subject to exchange rate adjustments for stock splits, stock dividends, and reclassifications. These exchange rights do not expire. Shares of Class B Common Stock have no economic value and have 10 votes per share.

SEC source: 0001415889-21-002833 · form4-06072021_030632.xml · derivative · entry 4

DO Holdings (WA), LLC · CIK 0001813992 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 56,671,878

Underlying: Class A Common Stock · 105,966 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Pursuant to the terms of the limited liability company agreement for ZoomInfo Holdings LLC ("OpCo"), limited liability company units of OpCo ("OpCo Units") and an equal number of shares of the Issuer's Class B common stock ("Class B Common Stock"), together are exchangeable for shares of Issuer's Class A common stock on a one-for-one basis at the discretion of the Reporting Person, subject to exchange rate adjustments for stock splits, stock dividends, and reclassifications. These exchange rights do not expire. Shares of Class B Common Stock have no economic value and have 10 votes per share. The Reporting Person effected an exchange of 105,966 OpCo Units and an equal number of shares of Class B Common Stock on June 3, 2021.

F2 · kind: Pursuant to the terms of the limited liability company agreement for ZoomInfo Holdings LLC ("OpCo"), limited liability company units of OpCo ("OpCo Units") and an equal number of shares of the Issuer's Class B common stock ("Class B Common Stock"), together are exchangeable for shares of Issuer's Class A common stock on a one-for-one basis at the discretion of the Reporting Person, subject to exchange rate adjustments for stock splits, stock dividends, and reclassifications. These exchange rights do not expire. Shares of Class B Common Stock have no economic value and have 10 votes per share. The Reporting Person effected an exchange of 105,966 OpCo Units and an equal number of shares of Class B Common Stock on June 3, 2021.

F2 · derivative.exercise_date: Pursuant to the terms of the limited liability company agreement for ZoomInfo Holdings LLC ("OpCo"), limited liability company units of OpCo ("OpCo Units") and an equal number of shares of the Issuer's Class B common stock ("Class B Common Stock"), together are exchangeable for shares of Issuer's Class A common stock on a one-for-one basis at the discretion of the Reporting Person, subject to exchange rate adjustments for stock splits, stock dividends, and reclassifications. These exchange rights do not expire. Shares of Class B Common Stock have no economic value and have 10 votes per share. The Reporting Person effected an exchange of 105,966 OpCo Units and an equal number of shares of Class B Common Stock on June 3, 2021.

F2 · derivative.expiration_date: Pursuant to the terms of the limited liability company agreement for ZoomInfo Holdings LLC ("OpCo"), limited liability company units of OpCo ("OpCo Units") and an equal number of shares of the Issuer's Class B common stock ("Class B Common Stock"), together are exchangeable for shares of Issuer's Class A common stock on a one-for-one basis at the discretion of the Reporting Person, subject to exchange rate adjustments for stock splits, stock dividends, and reclassifications. These exchange rights do not expire. Shares of Class B Common Stock have no economic value and have 10 votes per share. The Reporting Person effected an exchange of 105,966 OpCo Units and an equal number of shares of Class B Common Stock on June 3, 2021.

SEC source: 0001415889-21-002833 · form4-06072021_030632.xml · nonDerivative · entry 3

DO Holdings (WA), LLC · CIK 0001813992 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by DO Holdings (WA), LLC ("DO Holdings") on December 15, 2020. DO Holdings is owned by Henry Schuck and Kirk Brown. The transactions reported in this Form 4 were for the benefit of Kirk Brown.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $42.38 to $43.16, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

SEC source: 0001415889-21-002833 · form4-06072021_030632.xml · nonDerivative · entry 2

DO Holdings (WA), LLC · CIK 0001813992 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,818

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by DO Holdings (WA), LLC ("DO Holdings") on December 15, 2020. DO Holdings is owned by Henry Schuck and Kirk Brown. The transactions reported in this Form 4 were for the benefit of Kirk Brown.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $41.38 to $42.37, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

SEC source: 0001415889-21-002833 · form4-06072021_030632.xml · nonDerivative · entry 1

DO Holdings (WA), LLC · CIK 0001813992 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 105,966

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by DO Holdings (WA), LLC ("DO Holdings") on December 15, 2020. DO Holdings is owned by Henry Schuck and Kirk Brown. The transactions reported in this Form 4 were for the benefit of Kirk Brown.

F2 · kind: Pursuant to the terms of the limited liability company agreement for ZoomInfo Holdings LLC ("OpCo"), limited liability company units of OpCo ("OpCo Units") and an equal number of shares of the Issuer's Class B common stock ("Class B Common Stock"), together are exchangeable for shares of Issuer's Class A common stock on a one-for-one basis at the discretion of the Reporting Person, subject to exchange rate adjustments for stock splits, stock dividends, and reclassifications. These exchange rights do not expire. Shares of Class B Common Stock have no economic value and have 10 votes per share. The Reporting Person effected an exchange of 105,966 OpCo Units and an equal number of shares of Class B Common Stock on June 3, 2021.

F2 · price: Pursuant to the terms of the limited liability company agreement for ZoomInfo Holdings LLC ("OpCo"), limited liability company units of OpCo ("OpCo Units") and an equal number of shares of the Issuer's Class B common stock ("Class B Common Stock"), together are exchangeable for shares of Issuer's Class A common stock on a one-for-one basis at the discretion of the Reporting Person, subject to exchange rate adjustments for stock splits, stock dividends, and reclassifications. These exchange rights do not expire. Shares of Class B Common Stock have no economic value and have 10 votes per share. The Reporting Person effected an exchange of 105,966 OpCo Units and an equal number of shares of Class B Common Stock on June 3, 2021.

SEC source: 0001415889-21-002835 · form4-06072021_030644.xml · derivative · entry 4

Brown Kirk Norman · CIK 0001814058 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 25,761,837

Underlying: Class A Common Stock · 105,966 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Pursuant to the terms of the limited liability company agreement for ZoomInfo Holdings LLC ("OpCo"), limited liability company units of OpCo ("OpCo Units") and an equal number of shares of the Issuer's Class B common stock ("Class B Common Stock"), together are exchangeable for shares of Issuer's Class A common stock on a one-for-one basis at the discretion of DO Holdings, subject to exchange rate adjustments for stock splits, stock dividends, and reclassifications. These exchange rights do not expire. Shares of Class B Common Stock have no economic value and have 10 votes per share. DO Holdings effected an exchange of 105,966 OpCo Units and an equal number of shares of Class B Common Stock on June 3, 2021.

F3 · derivative.exercise_date: Pursuant to the terms of the limited liability company agreement for ZoomInfo Holdings LLC ("OpCo"), limited liability company units of OpCo ("OpCo Units") and an equal number of shares of the Issuer's Class B common stock ("Class B Common Stock"), together are exchangeable for shares of Issuer's Class A common stock on a one-for-one basis at the discretion of DO Holdings, subject to exchange rate adjustments for stock splits, stock dividends, and reclassifications. These exchange rights do not expire. Shares of Class B Common Stock have no economic value and have 10 votes per share. DO Holdings effected an exchange of 105,966 OpCo Units and an equal number of shares of Class B Common Stock on June 3, 2021.

F3 · derivative.expiration_date: Pursuant to the terms of the limited liability company agreement for ZoomInfo Holdings LLC ("OpCo"), limited liability company units of OpCo ("OpCo Units") and an equal number of shares of the Issuer's Class B common stock ("Class B Common Stock"), together are exchangeable for shares of Issuer's Class A common stock on a one-for-one basis at the discretion of DO Holdings, subject to exchange rate adjustments for stock splits, stock dividends, and reclassifications. These exchange rights do not expire. Shares of Class B Common Stock have no economic value and have 10 votes per share. DO Holdings effected an exchange of 105,966 OpCo Units and an equal number of shares of Class B Common Stock on June 3, 2021.

F6 · balance_after: Reflects the Reporting Person's proportionate pecuniary interest in the securities held directly by DO Holdings following the sales reported in this Form 4.

F6 · ownership.nature: Reflects the Reporting Person's proportionate pecuniary interest in the securities held directly by DO Holdings following the sales reported in this Form 4.

SEC source: 0001415889-21-002835 · form4-06072021_030644.xml · nonDerivative · entry 3

Brown Kirk Norman · CIK 0001814058 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by DO Holdings (WA), LLC ("DO Holdings") on December 15, 2020. DO Holdings is owned by the Reporting Person and Henry Schuck. The transactions reported in this Form 4 were for the benefit of the Reporting Person.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $42.38 to $43.16 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

F2 · ownership.nature: Reflects securities held directly by DO Holdings.

SEC source: 0001415889-21-002835 · form4-06072021_030644.xml · nonDerivative · entry 2

Brown Kirk Norman · CIK 0001814058 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 21,818

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by DO Holdings (WA), LLC ("DO Holdings") on December 15, 2020. DO Holdings is owned by the Reporting Person and Henry Schuck. The transactions reported in this Form 4 were for the benefit of the Reporting Person.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $41.38 to $42.37, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

F2 · ownership.nature: Reflects securities held directly by DO Holdings.

SEC source: 0001415889-21-002835 · form4-06072021_030644.xml · nonDerivative · entry 1

Brown Kirk Norman · CIK 0001814058 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 105,966

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by DO Holdings (WA), LLC ("DO Holdings") on December 15, 2020. DO Holdings is owned by the Reporting Person and Henry Schuck. The transactions reported in this Form 4 were for the benefit of the Reporting Person.

F2 · kind: Reflects securities held directly by DO Holdings.

F3 · kind: Pursuant to the terms of the limited liability company agreement for ZoomInfo Holdings LLC ("OpCo"), limited liability company units of OpCo ("OpCo Units") and an equal number of shares of the Issuer's Class B common stock ("Class B Common Stock"), together are exchangeable for shares of Issuer's Class A common stock on a one-for-one basis at the discretion of DO Holdings, subject to exchange rate adjustments for stock splits, stock dividends, and reclassifications. These exchange rights do not expire. Shares of Class B Common Stock have no economic value and have 10 votes per share. DO Holdings effected an exchange of 105,966 OpCo Units and an equal number of shares of Class B Common Stock on June 3, 2021.

F3 · price: Pursuant to the terms of the limited liability company agreement for ZoomInfo Holdings LLC ("OpCo"), limited liability company units of OpCo ("OpCo Units") and an equal number of shares of the Issuer's Class B common stock ("Class B Common Stock"), together are exchangeable for shares of Issuer's Class A common stock on a one-for-one basis at the discretion of DO Holdings, subject to exchange rate adjustments for stock splits, stock dividends, and reclassifications. These exchange rights do not expire. Shares of Class B Common Stock have no economic value and have 10 votes per share. DO Holdings effected an exchange of 105,966 OpCo Units and an equal number of shares of Class B Common Stock on June 3, 2021.

F2 · ownership.nature: Reflects securities held directly by DO Holdings.

SEC source: 0001794515-21-000146 · wf-form4_162311494915184.xml · derivative · entry 2

Keren Nir · CIK 0001813609 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 127,620

Underlying: Class A Common Stock · 62,857 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock. The restricted stock units will be settled into either Class A Common Stock or cash (or a combination thereof) at the discretion of the Issuer.

F1 · kind: Reflects restricted stock units that upon vesting settled into shares of Class A common stock ("Class A Common Stock") of ZoomInfo Technologies Inc. (the "Issuer") on a one-for-one basis.

F3 · derivative.exercise_date: The Reporting Person received an original grant totaling 190,477 restricted stock units which vest as follows: (a) 33% vested on June 3, 2021; and (b) the remaining 67% vests in equal quarterly installments during the 24 months following June 3, 2021.

F3 · derivative.expiration_date: The Reporting Person received an original grant totaling 190,477 restricted stock units which vest as follows: (a) 33% vested on June 3, 2021; and (b) the remaining 67% vests in equal quarterly installments during the 24 months following June 3, 2021.

SEC source: 0001794515-21-000146 · wf-form4_162311494915184.xml · nonDerivative · entry 1

Keren Nir · CIK 0001813609 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 62,857

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Reflects restricted stock units that upon vesting settled into shares of Class A common stock ("Class A Common Stock") of ZoomInfo Technologies Inc. (the "Issuer") on a one-for-one basis.

F1 · price: Reflects restricted stock units that upon vesting settled into shares of Class A common stock ("Class A Common Stock") of ZoomInfo Technologies Inc. (the "Issuer") on a one-for-one basis.

SEC source: 0001415889-21-002819 · form4-06042021_020634.xml · derivative · entry 3

DO Holdings (WA), LLC · CIK 0001813992 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 56,777,844

Underlying: Class A Common Stock · 193,013 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Pursuant to the terms of the limited liability company agreement for ZoomInfo Holdings LLC ("OpCo"), limited liability company units of OpCo ("OpCo Units") and an equal number of shares of the Issuer's Class B common stock ("Class B Common Stock"), together are exchangeable for shares of Issuer's Class A common stock on a one-for-one basis at the discretion of the Reporting Person, subject to exchange rate adjustments for stock splits, stock dividends, and reclassifications. These exchange rights do not expire. Shares of Class B Common Stock have no economic value and have 10 votes per share. The Reporting Person effected an exchange of 193,013 OpCo Units and an equal number of shares of Class B Common Stock on June 2, 2021.

F2 · kind: Pursuant to the terms of the limited liability company agreement for ZoomInfo Holdings LLC ("OpCo"), limited liability company units of OpCo ("OpCo Units") and an equal number of shares of the Issuer's Class B common stock ("Class B Common Stock"), together are exchangeable for shares of Issuer's Class A common stock on a one-for-one basis at the discretion of the Reporting Person, subject to exchange rate adjustments for stock splits, stock dividends, and reclassifications. These exchange rights do not expire. Shares of Class B Common Stock have no economic value and have 10 votes per share. The Reporting Person effected an exchange of 193,013 OpCo Units and an equal number of shares of Class B Common Stock on June 2, 2021.

F2 · derivative.exercise_date: Pursuant to the terms of the limited liability company agreement for ZoomInfo Holdings LLC ("OpCo"), limited liability company units of OpCo ("OpCo Units") and an equal number of shares of the Issuer's Class B common stock ("Class B Common Stock"), together are exchangeable for shares of Issuer's Class A common stock on a one-for-one basis at the discretion of the Reporting Person, subject to exchange rate adjustments for stock splits, stock dividends, and reclassifications. These exchange rights do not expire. Shares of Class B Common Stock have no economic value and have 10 votes per share. The Reporting Person effected an exchange of 193,013 OpCo Units and an equal number of shares of Class B Common Stock on June 2, 2021.

F2 · derivative.expiration_date: Pursuant to the terms of the limited liability company agreement for ZoomInfo Holdings LLC ("OpCo"), limited liability company units of OpCo ("OpCo Units") and an equal number of shares of the Issuer's Class B common stock ("Class B Common Stock"), together are exchangeable for shares of Issuer's Class A common stock on a one-for-one basis at the discretion of the Reporting Person, subject to exchange rate adjustments for stock splits, stock dividends, and reclassifications. These exchange rights do not expire. Shares of Class B Common Stock have no economic value and have 10 votes per share. The Reporting Person effected an exchange of 193,013 OpCo Units and an equal number of shares of Class B Common Stock on June 2, 2021.

SEC source: 0001415889-21-002819 · form4-06042021_020634.xml · nonDerivative · entry 2

DO Holdings (WA), LLC · CIK 0001813992 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by DO Holdings (WA), LLC ("DO Holdings") on December 15, 2020. DO Holdings is owned by Henry Schuck and Kirk Brown. The transactions reported in this Form 4 were for the benefit of Kirk Brown.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $42.52 to $43.51, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

SEC source: 0001415889-21-002819 · form4-06042021_020634.xml · nonDerivative · entry 1

DO Holdings (WA), LLC · CIK 0001813992 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 193,013

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by DO Holdings (WA), LLC ("DO Holdings") on December 15, 2020. DO Holdings is owned by Henry Schuck and Kirk Brown. The transactions reported in this Form 4 were for the benefit of Kirk Brown.

F2 · kind: Pursuant to the terms of the limited liability company agreement for ZoomInfo Holdings LLC ("OpCo"), limited liability company units of OpCo ("OpCo Units") and an equal number of shares of the Issuer's Class B common stock ("Class B Common Stock"), together are exchangeable for shares of Issuer's Class A common stock on a one-for-one basis at the discretion of the Reporting Person, subject to exchange rate adjustments for stock splits, stock dividends, and reclassifications. These exchange rights do not expire. Shares of Class B Common Stock have no economic value and have 10 votes per share. The Reporting Person effected an exchange of 193,013 OpCo Units and an equal number of shares of Class B Common Stock on June 2, 2021.

F2 · price: Pursuant to the terms of the limited liability company agreement for ZoomInfo Holdings LLC ("OpCo"), limited liability company units of OpCo ("OpCo Units") and an equal number of shares of the Issuer's Class B common stock ("Class B Common Stock"), together are exchangeable for shares of Issuer's Class A common stock on a one-for-one basis at the discretion of the Reporting Person, subject to exchange rate adjustments for stock splits, stock dividends, and reclassifications. These exchange rights do not expire. Shares of Class B Common Stock have no economic value and have 10 votes per share. The Reporting Person effected an exchange of 193,013 OpCo Units and an equal number of shares of Class B Common Stock on June 2, 2021.

SEC source: 0001415889-21-002821 · form4-06042021_020643.xml · derivative · entry 3

Brown Kirk Norman · CIK 0001814058 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 25,867,803

Underlying: Class A Common Stock · 193,013 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Pursuant to the terms of the limited liability company agreement for ZoomInfo Holdings LLC ("OpCo"), limited liability company units of OpCo ("OpCo Units") and an equal number of shares of the Issuer's Class B common stock ("Class B Common Stock"), together are exchangeable for shares of Issuer's Class A common stock on a one-for-one basis at the discretion of DO Holdings, subject to exchange rate adjustments for stock splits, stock dividends, and reclassifications. These exchange rights do not expire. Shares of Class B Common Stock have no economic value and have 10 votes per share. DO Holdings effected an exchange of 193,013 OpCo Units and an equal number of shares of Class B Common Stock on June 2, 2021.

F3 · derivative.exercise_date: Pursuant to the terms of the limited liability company agreement for ZoomInfo Holdings LLC ("OpCo"), limited liability company units of OpCo ("OpCo Units") and an equal number of shares of the Issuer's Class B common stock ("Class B Common Stock"), together are exchangeable for shares of Issuer's Class A common stock on a one-for-one basis at the discretion of DO Holdings, subject to exchange rate adjustments for stock splits, stock dividends, and reclassifications. These exchange rights do not expire. Shares of Class B Common Stock have no economic value and have 10 votes per share. DO Holdings effected an exchange of 193,013 OpCo Units and an equal number of shares of Class B Common Stock on June 2, 2021.

F3 · derivative.expiration_date: Pursuant to the terms of the limited liability company agreement for ZoomInfo Holdings LLC ("OpCo"), limited liability company units of OpCo ("OpCo Units") and an equal number of shares of the Issuer's Class B common stock ("Class B Common Stock"), together are exchangeable for shares of Issuer's Class A common stock on a one-for-one basis at the discretion of DO Holdings, subject to exchange rate adjustments for stock splits, stock dividends, and reclassifications. These exchange rights do not expire. Shares of Class B Common Stock have no economic value and have 10 votes per share. DO Holdings effected an exchange of 193,013 OpCo Units and an equal number of shares of Class B Common Stock on June 2, 2021.

F5 · balance_after: Reflects the Reporting Person's proportionate pecuniary interest in the securities held directly by DO Holdings following the sales reported in this Form 4.

F5 · ownership.nature: Reflects the Reporting Person's proportionate pecuniary interest in the securities held directly by DO Holdings following the sales reported in this Form 4.

SEC source: 0001415889-21-002821 · form4-06042021_020643.xml · nonDerivative · entry 2

Brown Kirk Norman · CIK 0001814058 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by DO Holdings (WA), LLC ("DO Holdings") on December 15, 2020. DO Holdings is owned by the Reporting Person and Henry Schuck. The transactions reported in this Form 4 were for the benefit of the Reporting Person.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $42.52 to $43.51, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

F2 · ownership.nature: Reflects securities held directly by DO Holdings.

SEC source: 0001415889-21-002821 · form4-06042021_020643.xml · nonDerivative · entry 1

Brown Kirk Norman · CIK 0001814058 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 193,013

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by DO Holdings (WA), LLC ("DO Holdings") on December 15, 2020. DO Holdings is owned by the Reporting Person and Henry Schuck. The transactions reported in this Form 4 were for the benefit of the Reporting Person.

F2 · kind: Reflects securities held directly by DO Holdings.

F3 · kind: Pursuant to the terms of the limited liability company agreement for ZoomInfo Holdings LLC ("OpCo"), limited liability company units of OpCo ("OpCo Units") and an equal number of shares of the Issuer's Class B common stock ("Class B Common Stock"), together are exchangeable for shares of Issuer's Class A common stock on a one-for-one basis at the discretion of DO Holdings, subject to exchange rate adjustments for stock splits, stock dividends, and reclassifications. These exchange rights do not expire. Shares of Class B Common Stock have no economic value and have 10 votes per share. DO Holdings effected an exchange of 193,013 OpCo Units and an equal number of shares of Class B Common Stock on June 2, 2021.

F3 · price: Pursuant to the terms of the limited liability company agreement for ZoomInfo Holdings LLC ("OpCo"), limited liability company units of OpCo ("OpCo Units") and an equal number of shares of the Issuer's Class B common stock ("Class B Common Stock"), together are exchangeable for shares of Issuer's Class A common stock on a one-for-one basis at the discretion of DO Holdings, subject to exchange rate adjustments for stock splits, stock dividends, and reclassifications. These exchange rights do not expire. Shares of Class B Common Stock have no economic value and have 10 votes per share. DO Holdings effected an exchange of 193,013 OpCo Units and an equal number of shares of Class B Common Stock on June 2, 2021.

F2 · ownership.nature: Reflects securities held directly by DO Holdings.