GTM

SEC source: 0001415889-21-003549 · form4-07072021_030710.xml · derivative · entry 4

Brown Kirk Norman · CIK 0001814058 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 25,413,336

Underlying: Class A Common Stock · 108,939 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 108,939 OpCo Units and an equal number of shares of Class B Common Stock on July 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 108,939 OpCo Units and an equal number of shares of Class B Common Stock on July 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 108,939 OpCo Units and an equal number of shares of Class B Common Stock on July 2, 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: 0001415889-21-003549 · form4-07072021_030710.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 $52.15 to $52.20, 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: 0001415889-21-003549 · form4-07072021_030710.xml · nonDerivative · entry 2

Brown Kirk Norman · CIK 0001814058 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 1,154

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 $51.10 to $52.09, 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: 0001415889-21-003549 · form4-07072021_030710.xml · nonDerivative · entry 1

Brown Kirk Norman · CIK 0001814058 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 108,939

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 108,939 OpCo Units and an equal number of shares of Class B Common Stock on July 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 108,939 OpCo Units and an equal number of shares of Class B Common Stock on July 2, 2021.

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

SEC source: 0001415889-21-003547 · form4-07072021_030751.xml · derivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 56,323,377

Underlying: Class A Common Stock · 108,939 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 108,939 OpCo Units and an equal number of shares of Class B Common Stock on July 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 108,939 OpCo Units and an equal number of shares of Class B Common Stock on July 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 108,939 OpCo Units and an equal number of shares of Class B Common Stock on July 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 108,939 OpCo Units and an equal number of shares of Class B Common Stock on July 2, 2021.

SEC source: 0001415889-21-003547 · form4-07072021_030751.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 $52.15 to $52.20, 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: 0001415889-21-003547 · form4-07072021_030751.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,154

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 $51.10 to $52.09, 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: 0001415889-21-003547 · form4-07072021_030751.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 108,939

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 108,939 OpCo Units and an equal number of shares of Class B Common Stock on July 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 108,939 OpCo Units and an equal number of shares of Class B Common Stock on July 2, 2021.

SEC source: 0000899243-21-027843 · doc4.xml · derivative · entry 6

TC Group Cayman Investment Holdings, L.P. · CIK 0001475444 · 10% owner

TC Group Cayman Investment Holdings Sub L.P. · CIK 0001548636 · 10% owner

TC Group VI S1, L.L.C. · CIK 0001766541 · 10% owner

TC Group VI S1, L.P. · CIK 0001766496 · 10% owner

TC Group VI, L.L.C. · CIK 0001791638 · 10% owner

TC Group VI, L.P. · CIK 0001791637 · 10% owner

Carlyle Partners VI Evergreen Holdings, L.P. · CIK 0001802267 · 10% owner

CP VI Evergreen Holdings, L.P. · CIK 0001813962 · 10% owner

Carlyle Partners VI Dash Holdings, L.P. · CIK 0001802268 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 50,793,919

Underlying: Class A Common Stock · 6,401 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.

F8 · derivative.exercise_price: The Class C Common Stock may be converted into shares of the Issuer's Class A Common Stock on a one-to-one basis at the discretion of the holder and has no expiration date.

F8 · derivative.exercise_date: The Class C Common Stock may be converted into shares of the Issuer's Class A Common Stock on a one-to-one basis at the discretion of the holder and has no expiration date.

F8 · derivative.expiration_date: The Class C Common Stock may be converted into shares of the Issuer's Class A Common Stock on a one-to-one basis at the discretion of the holder and has no expiration date.

F1 · ownership.nature: Following the transactions reported herein, includes (i) 37,493,725 LLC Units of ZoomInfo Holdings LLC ("OpCo Units") and shares of Class B Common Stock held by Carlyle Partners VI Evergreen Holdings, L.P. ("Carlyle Evergreen"), (ii) 37,702,342 shares of Class C Common Stock held of record by CP VI Evergreen Holdings, L.P. ("CP VI Evergreen") and (iii) 12,996,521 shares of Class C Common Stock held of record by Carlyle Partners VI Dash Holdings, L.P. ("Carlyle VI Dash").

F2 · ownership.nature: Carlyle Group Management L.L.C. holds an irrevocable proxy to vote a majority of the shares of The Carlyle Group Inc., which is a publicly traded entity listed on Nasdaq. The Carlyle Group Inc. is the sole shareholder of Carlyle Holdings I GP Inc., which is the sole member of Carlyle Holdings I GP Sub L.L.C., which is the general partner of Carlyle Holdings I L.P., which, with respect to the securities held of record by Carlyle Evergreen and CP VI Evergreen, is the managing member of CG Subsidiary Holdings L.L.C., which is the managing member of TC Group, L.L.C., which is the general partner of TC Group Sub L.P., which is the managing member of TC Group VI S1, L.L.C., which is the general partner of TC Group VI S1, L.P., which is the general partner of Carlyle Evergreen and CP VI Evergreen.

F3 · ownership.nature: Cont'd. The Carlyle Group Inc. is also the sole member of Carlyle Holdings II GP L.L.C., which is the managing member of Carlyle Holdings II L.L.C., which, with respect to the securities held of record by Carlyle VI Dash, is the managing member of CG Subsidiary Holdings L.L.C., which is the general partner of TC Group Cayman Investment Holdings, L.P., which is the general partner of TC Group Cayman Investment Holdings Sub L.P., which is the sole member of TC Group VI, L.L.C., which is the general partner of TC Group VI, L.P., which is the general partner of Carlyle VI Dash.

SEC source: 0000899243-21-027843 · doc4.xml · nonDerivative · entry 2

TC Group Cayman Investment Holdings, L.P. · CIK 0001475444 · 10% owner

TC Group Cayman Investment Holdings Sub L.P. · CIK 0001548636 · 10% owner

TC Group VI S1, L.L.C. · CIK 0001766541 · 10% owner

TC Group VI S1, L.P. · CIK 0001766496 · 10% owner

TC Group VI, L.L.C. · CIK 0001791638 · 10% owner

TC Group VI, L.P. · CIK 0001791637 · 10% owner

Carlyle Partners VI Evergreen Holdings, L.P. · CIK 0001802267 · 10% owner

CP VI Evergreen Holdings, L.P. · CIK 0001813962 · 10% owner

Carlyle Partners VI Dash Holdings, L.P. · CIK 0001802268 · 10% owner

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

F4 · kind: The sales 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 at prices ranging from $52.00 to $52.15. The reporting person undertakes to provide 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 in this footnote.

F1 · ownership.nature: Following the transactions reported herein, includes (i) 37,493,725 LLC Units of ZoomInfo Holdings LLC ("OpCo Units") and shares of Class B Common Stock held by Carlyle Partners VI Evergreen Holdings, L.P. ("Carlyle Evergreen"), (ii) 37,702,342 shares of Class C Common Stock held of record by CP VI Evergreen Holdings, L.P. ("CP VI Evergreen") and (iii) 12,996,521 shares of Class C Common Stock held of record by Carlyle Partners VI Dash Holdings, L.P. ("Carlyle VI Dash").

F2 · ownership.nature: Carlyle Group Management L.L.C. holds an irrevocable proxy to vote a majority of the shares of The Carlyle Group Inc., which is a publicly traded entity listed on Nasdaq. The Carlyle Group Inc. is the sole shareholder of Carlyle Holdings I GP Inc., which is the sole member of Carlyle Holdings I GP Sub L.L.C., which is the general partner of Carlyle Holdings I L.P., which, with respect to the securities held of record by Carlyle Evergreen and CP VI Evergreen, is the managing member of CG Subsidiary Holdings L.L.C., which is the managing member of TC Group, L.L.C., which is the general partner of TC Group Sub L.P., which is the managing member of TC Group VI S1, L.L.C., which is the general partner of TC Group VI S1, L.P., which is the general partner of Carlyle Evergreen and CP VI Evergreen.

F3 · ownership.nature: Cont'd. The Carlyle Group Inc. is also the sole member of Carlyle Holdings II GP L.L.C., which is the managing member of Carlyle Holdings II L.L.C., which, with respect to the securities held of record by Carlyle VI Dash, is the managing member of CG Subsidiary Holdings L.L.C., which is the general partner of TC Group Cayman Investment Holdings, L.P., which is the general partner of TC Group Cayman Investment Holdings Sub L.P., which is the sole member of TC Group VI, L.L.C., which is the general partner of TC Group VI, L.P., which is the general partner of Carlyle VI Dash.

SEC source: 0000899243-21-027843 · doc4.xml · nonDerivative · entry 1

TC Group Cayman Investment Holdings, L.P. · CIK 0001475444 · 10% owner

TC Group Cayman Investment Holdings Sub L.P. · CIK 0001548636 · 10% owner

TC Group VI S1, L.L.C. · CIK 0001766541 · 10% owner

TC Group VI S1, L.P. · CIK 0001766496 · 10% owner

TC Group VI, L.L.C. · CIK 0001791638 · 10% owner

TC Group VI, L.P. · CIK 0001791637 · 10% owner

Carlyle Partners VI Evergreen Holdings, L.P. · CIK 0001802267 · 10% owner

CP VI Evergreen Holdings, L.P. · CIK 0001813962 · 10% owner

Carlyle Partners VI Dash Holdings, L.P. · CIK 0001802268 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 6,401

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 · ownership.nature: Following the transactions reported herein, includes (i) 37,493,725 LLC Units of ZoomInfo Holdings LLC ("OpCo Units") and shares of Class B Common Stock held by Carlyle Partners VI Evergreen Holdings, L.P. ("Carlyle Evergreen"), (ii) 37,702,342 shares of Class C Common Stock held of record by CP VI Evergreen Holdings, L.P. ("CP VI Evergreen") and (iii) 12,996,521 shares of Class C Common Stock held of record by Carlyle Partners VI Dash Holdings, L.P. ("Carlyle VI Dash").

F2 · ownership.nature: Carlyle Group Management L.L.C. holds an irrevocable proxy to vote a majority of the shares of The Carlyle Group Inc., which is a publicly traded entity listed on Nasdaq. The Carlyle Group Inc. is the sole shareholder of Carlyle Holdings I GP Inc., which is the sole member of Carlyle Holdings I GP Sub L.L.C., which is the general partner of Carlyle Holdings I L.P., which, with respect to the securities held of record by Carlyle Evergreen and CP VI Evergreen, is the managing member of CG Subsidiary Holdings L.L.C., which is the managing member of TC Group, L.L.C., which is the general partner of TC Group Sub L.P., which is the managing member of TC Group VI S1, L.L.C., which is the general partner of TC Group VI S1, L.P., which is the general partner of Carlyle Evergreen and CP VI Evergreen.

F3 · ownership.nature: Cont'd. The Carlyle Group Inc. is also the sole member of Carlyle Holdings II GP L.L.C., which is the managing member of Carlyle Holdings II L.L.C., which, with respect to the securities held of record by Carlyle VI Dash, is the managing member of CG Subsidiary Holdings L.L.C., which is the general partner of TC Group Cayman Investment Holdings, L.P., which is the general partner of TC Group Cayman Investment Holdings Sub L.P., which is the sole member of TC Group VI, L.L.C., which is the general partner of TC Group VI, L.P., which is the general partner of Carlyle VI Dash.

SEC source: 0000899243-21-027350 · doc4.xml · derivative · entry 7

Carlyle Group Management L.L.C. · CIK 0001548624 · 10% owner

Carlyle Group Inc. · CIK 0001527166 · 10% owner

Carlyle Holdings I GP Inc. · CIK 0001548626 · 10% owner

Carlyle Holdings I GP Sub L.L.C. · CIK 0001548627 · 10% owner

Carlyle Holdings I L.P. · CIK 0001548628 · 10% owner

CG Subsidiary Holdings L.L.C. · CIK 0001790577 · 10% owner

TC Group, LLC · CIK 0000933790 · 10% owner

TC Group Sub L.P. · CIK 0001548639 · 10% owner

Carlyle Holdings II GP L.L.C. · CIK 0001548629 · 10% owner

Carlyle Holdings II L.L.C. · CIK 0001548630 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 50,800,320

Underlying: Class A Common Stock · 1,422 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.

F8 · derivative.exercise_price: The Class C Common Stock may be converted into shares of the Issuer's Class A Common Stock on a one-to-one basis at the discretion of the holder and has no expiration date.

F8 · derivative.exercise_date: The Class C Common Stock may be converted into shares of the Issuer's Class A Common Stock on a one-to-one basis at the discretion of the holder and has no expiration date.

F8 · derivative.expiration_date: The Class C Common Stock may be converted into shares of the Issuer's Class A Common Stock on a one-to-one basis at the discretion of the holder and has no expiration date.

F1 · ownership.nature: Following the transactions reported herein, includes (i) 37,493,725 LLC Units of ZoomInfo Holdings LLC ("OpCo Units") and shares of Class B Common Stock held by Carlyle Partners VI Evergreen Holdings, L.P. ("Carlyle Evergreen"), (ii) 37,702,342 shares of Class C Common Stock held of record by CP VI Evergreen Holdings, L.P. ("CP VI Evergreen") and (iii) 13,097,978 shares of Class C Common Stock held of record by Carlyle Partners VI Dash Holdings, L.P. ("Carlyle VI Dash").

F2 · ownership.nature: Carlyle Group Management L.L.C. holds an irrevocable proxy to vote a majority of the shares of The Carlyle Group Inc., which is a publicly traded entity listed on Nasdaq. The Carlyle Group Inc. is the sole shareholder of Carlyle Holdings I GP Inc., which is the sole member of Carlyle Holdings I GP Sub L.L.C., which is the general partner of Carlyle Holdings I L.P., which, with respect to the securities held of record by Carlyle Evergreen and CP VI Evergreen, is the managing member of CG Subsidiary Holdings L.L.C., which is the managing member of TC Group, L.L.C., which is the general partner of TC Group Sub L.P., which is the managing member of TC Group VI S1, L.L.C., which is the general partner of TC Group VI S1, L.P., which is the general partner of Carlyle Evergreen and CP VI Evergreen.

F3 · ownership.nature: Cont'd. The Carlyle Group Inc. is also the sole member of Carlyle Holdings II GP L.L.C., which is the managing member of Carlyle Holdings II L.L.C., which, with respect to the securities held of record by Carlyle VI Dash, is the managing member of CG Subsidiary Holdings L.L.C., which is the general partner of TC Group Cayman Investment Holdings, L.P., which is the general partner of TC Group Cayman Investment Holdings Sub L.P., which is the sole member of TC Group VI, L.L.C., which is the general partner of TC Group VI, L.P., which is the general partner of Carlyle VI Dash.

SEC source: 0000899243-21-027350 · doc4.xml · nonDerivative · entry 5

Carlyle Group Management L.L.C. · CIK 0001548624 · 10% owner

Carlyle Group Inc. · CIK 0001527166 · 10% owner

Carlyle Holdings I GP Inc. · CIK 0001548626 · 10% owner

Carlyle Holdings I GP Sub L.L.C. · CIK 0001548627 · 10% owner

Carlyle Holdings I L.P. · CIK 0001548628 · 10% owner

CG Subsidiary Holdings L.L.C. · CIK 0001790577 · 10% owner

TC Group, LLC · CIK 0000933790 · 10% owner

TC Group Sub L.P. · CIK 0001548639 · 10% owner

Carlyle Holdings II GP L.L.C. · CIK 0001548629 · 10% owner

Carlyle Holdings II L.L.C. · CIK 0001548630 · 10% owner

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

F4 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan.

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $52.00 to $52.18. The reporting person undertakes to provide 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 in this footnote.

F1 · ownership.nature: Following the transactions reported herein, includes (i) 37,493,725 LLC Units of ZoomInfo Holdings LLC ("OpCo Units") and shares of Class B Common Stock held by Carlyle Partners VI Evergreen Holdings, L.P. ("Carlyle Evergreen"), (ii) 37,702,342 shares of Class C Common Stock held of record by CP VI Evergreen Holdings, L.P. ("CP VI Evergreen") and (iii) 13,097,978 shares of Class C Common Stock held of record by Carlyle Partners VI Dash Holdings, L.P. ("Carlyle VI Dash").

F2 · ownership.nature: Carlyle Group Management L.L.C. holds an irrevocable proxy to vote a majority of the shares of The Carlyle Group Inc., which is a publicly traded entity listed on Nasdaq. The Carlyle Group Inc. is the sole shareholder of Carlyle Holdings I GP Inc., which is the sole member of Carlyle Holdings I GP Sub L.L.C., which is the general partner of Carlyle Holdings I L.P., which, with respect to the securities held of record by Carlyle Evergreen and CP VI Evergreen, is the managing member of CG Subsidiary Holdings L.L.C., which is the managing member of TC Group, L.L.C., which is the general partner of TC Group Sub L.P., which is the managing member of TC Group VI S1, L.L.C., which is the general partner of TC Group VI S1, L.P., which is the general partner of Carlyle Evergreen and CP VI Evergreen.

F3 · ownership.nature: Cont'd. The Carlyle Group Inc. is also the sole member of Carlyle Holdings II GP L.L.C., which is the managing member of Carlyle Holdings II L.L.C., which, with respect to the securities held of record by Carlyle VI Dash, is the managing member of CG Subsidiary Holdings L.L.C., which is the general partner of TC Group Cayman Investment Holdings, L.P., which is the general partner of TC Group Cayman Investment Holdings Sub L.P., which is the sole member of TC Group VI, L.L.C., which is the general partner of TC Group VI, L.P., which is the general partner of Carlyle VI Dash.

SEC source: 0000899243-21-027350 · doc4.xml · nonDerivative · entry 4

Carlyle Group Management L.L.C. · CIK 0001548624 · 10% owner

Carlyle Group Inc. · CIK 0001527166 · 10% owner

Carlyle Holdings I GP Inc. · CIK 0001548626 · 10% owner

Carlyle Holdings I GP Sub L.L.C. · CIK 0001548627 · 10% owner

Carlyle Holdings I L.P. · CIK 0001548628 · 10% owner

CG Subsidiary Holdings L.L.C. · CIK 0001790577 · 10% owner

TC Group, LLC · CIK 0000933790 · 10% owner

TC Group Sub L.P. · CIK 0001548639 · 10% owner

Carlyle Holdings II GP L.L.C. · CIK 0001548629 · 10% owner

Carlyle Holdings II L.L.C. · CIK 0001548630 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 1,422

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 · ownership.nature: Following the transactions reported herein, includes (i) 37,493,725 LLC Units of ZoomInfo Holdings LLC ("OpCo Units") and shares of Class B Common Stock held by Carlyle Partners VI Evergreen Holdings, L.P. ("Carlyle Evergreen"), (ii) 37,702,342 shares of Class C Common Stock held of record by CP VI Evergreen Holdings, L.P. ("CP VI Evergreen") and (iii) 13,097,978 shares of Class C Common Stock held of record by Carlyle Partners VI Dash Holdings, L.P. ("Carlyle VI Dash").

F2 · ownership.nature: Carlyle Group Management L.L.C. holds an irrevocable proxy to vote a majority of the shares of The Carlyle Group Inc., which is a publicly traded entity listed on Nasdaq. The Carlyle Group Inc. is the sole shareholder of Carlyle Holdings I GP Inc., which is the sole member of Carlyle Holdings I GP Sub L.L.C., which is the general partner of Carlyle Holdings I L.P., which, with respect to the securities held of record by Carlyle Evergreen and CP VI Evergreen, is the managing member of CG Subsidiary Holdings L.L.C., which is the managing member of TC Group, L.L.C., which is the general partner of TC Group Sub L.P., which is the managing member of TC Group VI S1, L.L.C., which is the general partner of TC Group VI S1, L.P., which is the general partner of Carlyle Evergreen and CP VI Evergreen.

F3 · ownership.nature: Cont'd. The Carlyle Group Inc. is also the sole member of Carlyle Holdings II GP L.L.C., which is the managing member of Carlyle Holdings II L.L.C., which, with respect to the securities held of record by Carlyle VI Dash, is the managing member of CG Subsidiary Holdings L.L.C., which is the general partner of TC Group Cayman Investment Holdings, L.P., which is the general partner of TC Group Cayman Investment Holdings Sub L.P., which is the sole member of TC Group VI, L.L.C., which is the general partner of TC Group VI, L.P., which is the general partner of Carlyle VI Dash.

SEC source: 0000899243-21-027351 · doc4.xml · derivative · entry 7

TC Group Cayman Investment Holdings, L.P. · CIK 0001475444 · 10% owner

TC Group Cayman Investment Holdings Sub L.P. · CIK 0001548636 · 10% owner

TC Group VI S1, L.L.C. · CIK 0001766541 · 10% owner

TC Group VI S1, L.P. · CIK 0001766496 · 10% owner

TC Group VI, L.L.C. · CIK 0001791638 · 10% owner

TC Group VI, L.P. · CIK 0001791637 · 10% owner

Carlyle Partners VI Evergreen Holdings, L.P. · CIK 0001802267 · 10% owner

CP VI Evergreen Holdings, L.P. · CIK 0001813962 · 10% owner

Carlyle Partners VI Dash Holdings, L.P. · CIK 0001802268 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 50,800,320

Underlying: Class A Common Stock · 1,422 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.

F8 · derivative.exercise_price: The Class C Common Stock may be converted into shares of the Issuer's Class A Common Stock on a one-to-one basis at the discretion of the holder and has no expiration date.

F8 · derivative.exercise_date: The Class C Common Stock may be converted into shares of the Issuer's Class A Common Stock on a one-to-one basis at the discretion of the holder and has no expiration date.

F8 · derivative.expiration_date: The Class C Common Stock may be converted into shares of the Issuer's Class A Common Stock on a one-to-one basis at the discretion of the holder and has no expiration date.

F1 · ownership.nature: Following the transactions reported herein, includes (i) 37,493,725 LLC Units of ZoomInfo Holdings LLC ("OpCo Units") and shares of Class B Common Stock held by Carlyle Partners VI Evergreen Holdings, L.P. ("Carlyle Evergreen"), (ii) 37,702,342 shares of Class C Common Stock held of record by CP VI Evergreen Holdings, L.P. ("CP VI Evergreen") and (iii) 13,097,978 shares of Class C Common Stock held of record by Carlyle Partners VI Dash Holdings, L.P. ("Carlyle VI Dash").

F2 · ownership.nature: Carlyle Group Management L.L.C. holds an irrevocable proxy to vote a majority of the shares of The Carlyle Group Inc., which is a publicly traded entity listed on Nasdaq. The Carlyle Group Inc. is the sole shareholder of Carlyle Holdings I GP Inc., which is the sole member of Carlyle Holdings I GP Sub L.L.C., which is the general partner of Carlyle Holdings I L.P., which, with respect to the securities held of record by Carlyle Evergreen and CP VI Evergreen, is the managing member of CG Subsidiary Holdings L.L.C., which is the managing member of TC Group, L.L.C., which is the general partner of TC Group Sub L.P., which is the managing member of TC Group VI S1, L.L.C., which is the general partner of TC Group VI S1, L.P., which is the general partner of Carlyle Evergreen and CP VI Evergreen.

F3 · ownership.nature: Cont'd. The Carlyle Group Inc. is also the sole member of Carlyle Holdings II GP L.L.C., which is the managing member of Carlyle Holdings II L.L.C., which, with respect to the securities held of record by Carlyle VI Dash, is the managing member of CG Subsidiary Holdings L.L.C., which is the general partner of TC Group Cayman Investment Holdings, L.P., which is the general partner of TC Group Cayman Investment Holdings Sub L.P., which is the sole member of TC Group VI, L.L.C., which is the general partner of TC Group VI, L.P., which is the general partner of Carlyle VI Dash.

SEC source: 0000899243-21-027351 · doc4.xml · nonDerivative · entry 5

TC Group Cayman Investment Holdings, L.P. · CIK 0001475444 · 10% owner

TC Group Cayman Investment Holdings Sub L.P. · CIK 0001548636 · 10% owner

TC Group VI S1, L.L.C. · CIK 0001766541 · 10% owner

TC Group VI S1, L.P. · CIK 0001766496 · 10% owner

TC Group VI, L.L.C. · CIK 0001791638 · 10% owner

TC Group VI, L.P. · CIK 0001791637 · 10% owner

Carlyle Partners VI Evergreen Holdings, L.P. · CIK 0001802267 · 10% owner

CP VI Evergreen Holdings, L.P. · CIK 0001813962 · 10% owner

Carlyle Partners VI Dash Holdings, L.P. · CIK 0001802268 · 10% owner

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

F4 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan.

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $52.00 to $52.18. The reporting person undertakes to provide 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 in this footnote.

F1 · ownership.nature: Following the transactions reported herein, includes (i) 37,493,725 LLC Units of ZoomInfo Holdings LLC ("OpCo Units") and shares of Class B Common Stock held by Carlyle Partners VI Evergreen Holdings, L.P. ("Carlyle Evergreen"), (ii) 37,702,342 shares of Class C Common Stock held of record by CP VI Evergreen Holdings, L.P. ("CP VI Evergreen") and (iii) 13,097,978 shares of Class C Common Stock held of record by Carlyle Partners VI Dash Holdings, L.P. ("Carlyle VI Dash").

F2 · ownership.nature: Carlyle Group Management L.L.C. holds an irrevocable proxy to vote a majority of the shares of The Carlyle Group Inc., which is a publicly traded entity listed on Nasdaq. The Carlyle Group Inc. is the sole shareholder of Carlyle Holdings I GP Inc., which is the sole member of Carlyle Holdings I GP Sub L.L.C., which is the general partner of Carlyle Holdings I L.P., which, with respect to the securities held of record by Carlyle Evergreen and CP VI Evergreen, is the managing member of CG Subsidiary Holdings L.L.C., which is the managing member of TC Group, L.L.C., which is the general partner of TC Group Sub L.P., which is the managing member of TC Group VI S1, L.L.C., which is the general partner of TC Group VI S1, L.P., which is the general partner of Carlyle Evergreen and CP VI Evergreen.

F3 · ownership.nature: Cont'd. The Carlyle Group Inc. is also the sole member of Carlyle Holdings II GP L.L.C., which is the managing member of Carlyle Holdings II L.L.C., which, with respect to the securities held of record by Carlyle VI Dash, is the managing member of CG Subsidiary Holdings L.L.C., which is the general partner of TC Group Cayman Investment Holdings, L.P., which is the general partner of TC Group Cayman Investment Holdings Sub L.P., which is the sole member of TC Group VI, L.L.C., which is the general partner of TC Group VI, L.P., which is the general partner of Carlyle VI Dash.

SEC source: 0000899243-21-027351 · doc4.xml · nonDerivative · entry 4

TC Group Cayman Investment Holdings, L.P. · CIK 0001475444 · 10% owner

TC Group Cayman Investment Holdings Sub L.P. · CIK 0001548636 · 10% owner

TC Group VI S1, L.L.C. · CIK 0001766541 · 10% owner

TC Group VI S1, L.P. · CIK 0001766496 · 10% owner

TC Group VI, L.L.C. · CIK 0001791638 · 10% owner

TC Group VI, L.P. · CIK 0001791637 · 10% owner

Carlyle Partners VI Evergreen Holdings, L.P. · CIK 0001802267 · 10% owner

CP VI Evergreen Holdings, L.P. · CIK 0001813962 · 10% owner

Carlyle Partners VI Dash Holdings, L.P. · CIK 0001802268 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 1,422

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 · ownership.nature: Following the transactions reported herein, includes (i) 37,493,725 LLC Units of ZoomInfo Holdings LLC ("OpCo Units") and shares of Class B Common Stock held by Carlyle Partners VI Evergreen Holdings, L.P. ("Carlyle Evergreen"), (ii) 37,702,342 shares of Class C Common Stock held of record by CP VI Evergreen Holdings, L.P. ("CP VI Evergreen") and (iii) 13,097,978 shares of Class C Common Stock held of record by Carlyle Partners VI Dash Holdings, L.P. ("Carlyle VI Dash").

F2 · ownership.nature: Carlyle Group Management L.L.C. holds an irrevocable proxy to vote a majority of the shares of The Carlyle Group Inc., which is a publicly traded entity listed on Nasdaq. The Carlyle Group Inc. is the sole shareholder of Carlyle Holdings I GP Inc., which is the sole member of Carlyle Holdings I GP Sub L.L.C., which is the general partner of Carlyle Holdings I L.P., which, with respect to the securities held of record by Carlyle Evergreen and CP VI Evergreen, is the managing member of CG Subsidiary Holdings L.L.C., which is the managing member of TC Group, L.L.C., which is the general partner of TC Group Sub L.P., which is the managing member of TC Group VI S1, L.L.C., which is the general partner of TC Group VI S1, L.P., which is the general partner of Carlyle Evergreen and CP VI Evergreen.

F3 · ownership.nature: Cont'd. The Carlyle Group Inc. is also the sole member of Carlyle Holdings II GP L.L.C., which is the managing member of Carlyle Holdings II L.L.C., which, with respect to the securities held of record by Carlyle VI Dash, is the managing member of CG Subsidiary Holdings L.L.C., which is the general partner of TC Group Cayman Investment Holdings, L.P., which is the general partner of TC Group Cayman Investment Holdings Sub L.P., which is the sole member of TC Group VI, L.L.C., which is the general partner of TC Group VI, L.P., which is the general partner of Carlyle VI Dash.

SEC source: 0001415889-21-003520 · form4-07062021_030746.xml · derivative · entry 5

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 56,432,316

Underlying: Class A Common Stock · 239,562 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 239,562 OpCo Units and an equal number of shares of Class B Common Stock on July 1, 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 239,562 OpCo Units and an equal number of shares of Class B Common Stock on July 1, 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 239,562 OpCo Units and an equal number of shares of Class B Common Stock on July 1, 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 239,562 OpCo Units and an equal number of shares of Class B Common Stock on July 1, 2021.

SEC source: 0001415889-21-003520 · form4-07062021_030746.xml · nonDerivative · entry 4

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.

SEC source: 0001415889-21-003520 · form4-07062021_030746.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 100

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 $51.06 to $52.05, 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: 0001415889-21-003520 · form4-07062021_030746.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 112,606

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 $50.06 to $51.05, 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: 0001415889-21-003520 · form4-07062021_030746.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 239,562

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 239,562 OpCo Units and an equal number of shares of Class B Common Stock on July 1, 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 239,562 OpCo Units and an equal number of shares of Class B Common Stock on July 1, 2021.

SEC source: 0001415889-21-003522 · form4-07062021_030737.xml · derivative · entry 5

Brown Kirk Norman · CIK 0001814058 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 25,522,275

Underlying: Class A Common Stock · 239,562 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 239,562 OpCo Units and an equal number of shares of Class B Common Stock on July 1, 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 239,562 OpCo Units and an equal number of shares of Class B Common Stock on July 1, 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 239,562 OpCo Units and an equal number of shares of Class B Common Stock on July 1, 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: 0001415889-21-003522 · form4-07062021_030737.xml · nonDerivative · entry 4

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.

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

SEC source: 0001415889-21-003522 · form4-07062021_030737.xml · nonDerivative · entry 3

Brown Kirk Norman · CIK 0001814058 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 100

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 $51.06 to $52.05, 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: 0001415889-21-003522 · form4-07062021_030737.xml · nonDerivative · entry 2

Brown Kirk Norman · CIK 0001814058 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 112,606

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 $50.06 to $51.05, 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: 0001415889-21-003522 · form4-07062021_030737.xml · nonDerivative · entry 1

Brown Kirk Norman · CIK 0001814058 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 239,562

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 239,562 OpCo Units and an equal number of shares of Class B Common Stock on July 1, 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 239,562 OpCo Units and an equal number of shares of Class B Common Stock on July 1, 2021.

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

SEC source: 0000899243-21-027350 · doc4.xml · derivative · entry 6

Carlyle Group Management L.L.C. · CIK 0001548624 · 10% owner

Carlyle Group Inc. · CIK 0001527166 · 10% owner

Carlyle Holdings I GP Inc. · CIK 0001548626 · 10% owner

Carlyle Holdings I GP Sub L.L.C. · CIK 0001548627 · 10% owner

Carlyle Holdings I L.P. · CIK 0001548628 · 10% owner

CG Subsidiary Holdings L.L.C. · CIK 0001790577 · 10% owner

TC Group, LLC · CIK 0000933790 · 10% owner

TC Group Sub L.P. · CIK 0001548639 · 10% owner

Carlyle Holdings II GP L.L.C. · CIK 0001548629 · 10% owner

Carlyle Holdings II L.L.C. · CIK 0001548630 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 50,801,742

Underlying: Class A Common Stock · 70,193 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.

F8 · derivative.exercise_price: The Class C Common Stock may be converted into shares of the Issuer's Class A Common Stock on a one-to-one basis at the discretion of the holder and has no expiration date.

F8 · derivative.exercise_date: The Class C Common Stock may be converted into shares of the Issuer's Class A Common Stock on a one-to-one basis at the discretion of the holder and has no expiration date.

F8 · derivative.expiration_date: The Class C Common Stock may be converted into shares of the Issuer's Class A Common Stock on a one-to-one basis at the discretion of the holder and has no expiration date.

F1 · ownership.nature: Following the transactions reported herein, includes (i) 37,493,725 LLC Units of ZoomInfo Holdings LLC ("OpCo Units") and shares of Class B Common Stock held by Carlyle Partners VI Evergreen Holdings, L.P. ("Carlyle Evergreen"), (ii) 37,702,342 shares of Class C Common Stock held of record by CP VI Evergreen Holdings, L.P. ("CP VI Evergreen") and (iii) 13,097,978 shares of Class C Common Stock held of record by Carlyle Partners VI Dash Holdings, L.P. ("Carlyle VI Dash").

F2 · ownership.nature: Carlyle Group Management L.L.C. holds an irrevocable proxy to vote a majority of the shares of The Carlyle Group Inc., which is a publicly traded entity listed on Nasdaq. The Carlyle Group Inc. is the sole shareholder of Carlyle Holdings I GP Inc., which is the sole member of Carlyle Holdings I GP Sub L.L.C., which is the general partner of Carlyle Holdings I L.P., which, with respect to the securities held of record by Carlyle Evergreen and CP VI Evergreen, is the managing member of CG Subsidiary Holdings L.L.C., which is the managing member of TC Group, L.L.C., which is the general partner of TC Group Sub L.P., which is the managing member of TC Group VI S1, L.L.C., which is the general partner of TC Group VI S1, L.P., which is the general partner of Carlyle Evergreen and CP VI Evergreen.

F3 · ownership.nature: Cont'd. The Carlyle Group Inc. is also the sole member of Carlyle Holdings II GP L.L.C., which is the managing member of Carlyle Holdings II L.L.C., which, with respect to the securities held of record by Carlyle VI Dash, is the managing member of CG Subsidiary Holdings L.L.C., which is the general partner of TC Group Cayman Investment Holdings, L.P., which is the general partner of TC Group Cayman Investment Holdings Sub L.P., which is the sole member of TC Group VI, L.L.C., which is the general partner of TC Group VI, L.P., which is the general partner of Carlyle VI Dash.

SEC source: 0000899243-21-027350 · doc4.xml · nonDerivative · entry 3

Carlyle Group Management L.L.C. · CIK 0001548624 · 10% owner

Carlyle Group Inc. · CIK 0001527166 · 10% owner

Carlyle Holdings I GP Inc. · CIK 0001548626 · 10% owner

Carlyle Holdings I GP Sub L.L.C. · CIK 0001548627 · 10% owner

Carlyle Holdings I L.P. · CIK 0001548628 · 10% owner

CG Subsidiary Holdings L.L.C. · CIK 0001790577 · 10% owner

TC Group, LLC · CIK 0000933790 · 10% owner

TC Group Sub L.P. · CIK 0001548639 · 10% owner

Carlyle Holdings II GP L.L.C. · CIK 0001548629 · 10% owner

Carlyle Holdings II L.L.C. · CIK 0001548630 · 10% owner

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

F4 · kind: The sales 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 at prices ranging from $53.00 to $53.12. The reporting person undertakes to provide 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 in this footnote.

F1 · ownership.nature: Following the transactions reported herein, includes (i) 37,493,725 LLC Units of ZoomInfo Holdings LLC ("OpCo Units") and shares of Class B Common Stock held by Carlyle Partners VI Evergreen Holdings, L.P. ("Carlyle Evergreen"), (ii) 37,702,342 shares of Class C Common Stock held of record by CP VI Evergreen Holdings, L.P. ("CP VI Evergreen") and (iii) 13,097,978 shares of Class C Common Stock held of record by Carlyle Partners VI Dash Holdings, L.P. ("Carlyle VI Dash").

F2 · ownership.nature: Carlyle Group Management L.L.C. holds an irrevocable proxy to vote a majority of the shares of The Carlyle Group Inc., which is a publicly traded entity listed on Nasdaq. The Carlyle Group Inc. is the sole shareholder of Carlyle Holdings I GP Inc., which is the sole member of Carlyle Holdings I GP Sub L.L.C., which is the general partner of Carlyle Holdings I L.P., which, with respect to the securities held of record by Carlyle Evergreen and CP VI Evergreen, is the managing member of CG Subsidiary Holdings L.L.C., which is the managing member of TC Group, L.L.C., which is the general partner of TC Group Sub L.P., which is the managing member of TC Group VI S1, L.L.C., which is the general partner of TC Group VI S1, L.P., which is the general partner of Carlyle Evergreen and CP VI Evergreen.

F3 · ownership.nature: Cont'd. The Carlyle Group Inc. is also the sole member of Carlyle Holdings II GP L.L.C., which is the managing member of Carlyle Holdings II L.L.C., which, with respect to the securities held of record by Carlyle VI Dash, is the managing member of CG Subsidiary Holdings L.L.C., which is the general partner of TC Group Cayman Investment Holdings, L.P., which is the general partner of TC Group Cayman Investment Holdings Sub L.P., which is the sole member of TC Group VI, L.L.C., which is the general partner of TC Group VI, L.P., which is the general partner of Carlyle VI Dash.

SEC source: 0000899243-21-027350 · doc4.xml · nonDerivative · entry 2

Carlyle Group Management L.L.C. · CIK 0001548624 · 10% owner

Carlyle Group Inc. · CIK 0001527166 · 10% owner

Carlyle Holdings I GP Inc. · CIK 0001548626 · 10% owner

Carlyle Holdings I GP Sub L.L.C. · CIK 0001548627 · 10% owner

Carlyle Holdings I L.P. · CIK 0001548628 · 10% owner

CG Subsidiary Holdings L.L.C. · CIK 0001790577 · 10% owner

TC Group, LLC · CIK 0000933790 · 10% owner

TC Group Sub L.P. · CIK 0001548639 · 10% owner

Carlyle Holdings II GP L.L.C. · CIK 0001548629 · 10% owner

Carlyle Holdings II L.L.C. · CIK 0001548630 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 2,850

F4 · kind: The sales 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 at prices ranging from $52.06 to $52.99. The reporting person undertakes to provide 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 in this footnote.

F1 · ownership.nature: Following the transactions reported herein, includes (i) 37,493,725 LLC Units of ZoomInfo Holdings LLC ("OpCo Units") and shares of Class B Common Stock held by Carlyle Partners VI Evergreen Holdings, L.P. ("Carlyle Evergreen"), (ii) 37,702,342 shares of Class C Common Stock held of record by CP VI Evergreen Holdings, L.P. ("CP VI Evergreen") and (iii) 13,097,978 shares of Class C Common Stock held of record by Carlyle Partners VI Dash Holdings, L.P. ("Carlyle VI Dash").

F2 · ownership.nature: Carlyle Group Management L.L.C. holds an irrevocable proxy to vote a majority of the shares of The Carlyle Group Inc., which is a publicly traded entity listed on Nasdaq. The Carlyle Group Inc. is the sole shareholder of Carlyle Holdings I GP Inc., which is the sole member of Carlyle Holdings I GP Sub L.L.C., which is the general partner of Carlyle Holdings I L.P., which, with respect to the securities held of record by Carlyle Evergreen and CP VI Evergreen, is the managing member of CG Subsidiary Holdings L.L.C., which is the managing member of TC Group, L.L.C., which is the general partner of TC Group Sub L.P., which is the managing member of TC Group VI S1, L.L.C., which is the general partner of TC Group VI S1, L.P., which is the general partner of Carlyle Evergreen and CP VI Evergreen.

F3 · ownership.nature: Cont'd. The Carlyle Group Inc. is also the sole member of Carlyle Holdings II GP L.L.C., which is the managing member of Carlyle Holdings II L.L.C., which, with respect to the securities held of record by Carlyle VI Dash, is the managing member of CG Subsidiary Holdings L.L.C., which is the general partner of TC Group Cayman Investment Holdings, L.P., which is the general partner of TC Group Cayman Investment Holdings Sub L.P., which is the sole member of TC Group VI, L.L.C., which is the general partner of TC Group VI, L.P., which is the general partner of Carlyle VI Dash.

SEC source: 0000899243-21-027350 · doc4.xml · nonDerivative · entry 1

Carlyle Group Management L.L.C. · CIK 0001548624 · 10% owner

Carlyle Group Inc. · CIK 0001527166 · 10% owner

Carlyle Holdings I GP Inc. · CIK 0001548626 · 10% owner

Carlyle Holdings I GP Sub L.L.C. · CIK 0001548627 · 10% owner

Carlyle Holdings I L.P. · CIK 0001548628 · 10% owner

CG Subsidiary Holdings L.L.C. · CIK 0001790577 · 10% owner

TC Group, LLC · CIK 0000933790 · 10% owner

TC Group Sub L.P. · CIK 0001548639 · 10% owner

Carlyle Holdings II GP L.L.C. · CIK 0001548629 · 10% owner

Carlyle Holdings II L.L.C. · CIK 0001548630 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 70,193

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 · ownership.nature: Following the transactions reported herein, includes (i) 37,493,725 LLC Units of ZoomInfo Holdings LLC ("OpCo Units") and shares of Class B Common Stock held by Carlyle Partners VI Evergreen Holdings, L.P. ("Carlyle Evergreen"), (ii) 37,702,342 shares of Class C Common Stock held of record by CP VI Evergreen Holdings, L.P. ("CP VI Evergreen") and (iii) 13,097,978 shares of Class C Common Stock held of record by Carlyle Partners VI Dash Holdings, L.P. ("Carlyle VI Dash").

F2 · ownership.nature: Carlyle Group Management L.L.C. holds an irrevocable proxy to vote a majority of the shares of The Carlyle Group Inc., which is a publicly traded entity listed on Nasdaq. The Carlyle Group Inc. is the sole shareholder of Carlyle Holdings I GP Inc., which is the sole member of Carlyle Holdings I GP Sub L.L.C., which is the general partner of Carlyle Holdings I L.P., which, with respect to the securities held of record by Carlyle Evergreen and CP VI Evergreen, is the managing member of CG Subsidiary Holdings L.L.C., which is the managing member of TC Group, L.L.C., which is the general partner of TC Group Sub L.P., which is the managing member of TC Group VI S1, L.L.C., which is the general partner of TC Group VI S1, L.P., which is the general partner of Carlyle Evergreen and CP VI Evergreen.

F3 · ownership.nature: Cont'd. The Carlyle Group Inc. is also the sole member of Carlyle Holdings II GP L.L.C., which is the managing member of Carlyle Holdings II L.L.C., which, with respect to the securities held of record by Carlyle VI Dash, is the managing member of CG Subsidiary Holdings L.L.C., which is the general partner of TC Group Cayman Investment Holdings, L.P., which is the general partner of TC Group Cayman Investment Holdings Sub L.P., which is the sole member of TC Group VI, L.L.C., which is the general partner of TC Group VI, L.P., which is the general partner of Carlyle VI Dash.

SEC source: 0001140361-21-023377 · form4.xml · derivative · 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 footnotes

Disclosed balance after: 1,880,032

Underlying: Class A Common Stock · 940,016 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.

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.

F9 · 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.

F9 · 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: 0001140361-21-023377 · 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: 997,509

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.

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.

F9 · 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.

F9 · 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: 0001140361-21-023369 · form4.xml · derivative · 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 footnotes

Disclosed balance after: 1,880,032

Underlying: Class A Common Stock · 940,016 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.

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.

F9 · 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.

F9 · 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: 0001140361-21-023369 · 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: 997,509

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.

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.

F9 · 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.

F9 · 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: 0000899243-21-027351 · doc4.xml · derivative · entry 6

TC Group Cayman Investment Holdings, L.P. · CIK 0001475444 · 10% owner

TC Group Cayman Investment Holdings Sub L.P. · CIK 0001548636 · 10% owner

TC Group VI S1, L.L.C. · CIK 0001766541 · 10% owner

TC Group VI S1, L.P. · CIK 0001766496 · 10% owner

TC Group VI, L.L.C. · CIK 0001791638 · 10% owner

TC Group VI, L.P. · CIK 0001791637 · 10% owner

Carlyle Partners VI Evergreen Holdings, L.P. · CIK 0001802267 · 10% owner

CP VI Evergreen Holdings, L.P. · CIK 0001813962 · 10% owner

Carlyle Partners VI Dash Holdings, L.P. · CIK 0001802268 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 50,801,742

Underlying: Class A Common Stock · 70,193 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.

F8 · derivative.exercise_price: The Class C Common Stock may be converted into shares of the Issuer's Class A Common Stock on a one-to-one basis at the discretion of the holder and has no expiration date.

F8 · derivative.exercise_date: The Class C Common Stock may be converted into shares of the Issuer's Class A Common Stock on a one-to-one basis at the discretion of the holder and has no expiration date.

F8 · derivative.expiration_date: The Class C Common Stock may be converted into shares of the Issuer's Class A Common Stock on a one-to-one basis at the discretion of the holder and has no expiration date.

F1 · ownership.nature: Following the transactions reported herein, includes (i) 37,493,725 LLC Units of ZoomInfo Holdings LLC ("OpCo Units") and shares of Class B Common Stock held by Carlyle Partners VI Evergreen Holdings, L.P. ("Carlyle Evergreen"), (ii) 37,702,342 shares of Class C Common Stock held of record by CP VI Evergreen Holdings, L.P. ("CP VI Evergreen") and (iii) 13,097,978 shares of Class C Common Stock held of record by Carlyle Partners VI Dash Holdings, L.P. ("Carlyle VI Dash").

F2 · ownership.nature: Carlyle Group Management L.L.C. holds an irrevocable proxy to vote a majority of the shares of The Carlyle Group Inc., which is a publicly traded entity listed on Nasdaq. The Carlyle Group Inc. is the sole shareholder of Carlyle Holdings I GP Inc., which is the sole member of Carlyle Holdings I GP Sub L.L.C., which is the general partner of Carlyle Holdings I L.P., which, with respect to the securities held of record by Carlyle Evergreen and CP VI Evergreen, is the managing member of CG Subsidiary Holdings L.L.C., which is the managing member of TC Group, L.L.C., which is the general partner of TC Group Sub L.P., which is the managing member of TC Group VI S1, L.L.C., which is the general partner of TC Group VI S1, L.P., which is the general partner of Carlyle Evergreen and CP VI Evergreen.

F3 · ownership.nature: Cont'd. The Carlyle Group Inc. is also the sole member of Carlyle Holdings II GP L.L.C., which is the managing member of Carlyle Holdings II L.L.C., which, with respect to the securities held of record by Carlyle VI Dash, is the managing member of CG Subsidiary Holdings L.L.C., which is the general partner of TC Group Cayman Investment Holdings, L.P., which is the general partner of TC Group Cayman Investment Holdings Sub L.P., which is the sole member of TC Group VI, L.L.C., which is the general partner of TC Group VI, L.P., which is the general partner of Carlyle VI Dash.

SEC source: 0000899243-21-027351 · doc4.xml · nonDerivative · entry 3

TC Group Cayman Investment Holdings, L.P. · CIK 0001475444 · 10% owner

TC Group Cayman Investment Holdings Sub L.P. · CIK 0001548636 · 10% owner

TC Group VI S1, L.L.C. · CIK 0001766541 · 10% owner

TC Group VI S1, L.P. · CIK 0001766496 · 10% owner

TC Group VI, L.L.C. · CIK 0001791638 · 10% owner

TC Group VI, L.P. · CIK 0001791637 · 10% owner

Carlyle Partners VI Evergreen Holdings, L.P. · CIK 0001802267 · 10% owner

CP VI Evergreen Holdings, L.P. · CIK 0001813962 · 10% owner

Carlyle Partners VI Dash Holdings, L.P. · CIK 0001802268 · 10% owner

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

F4 · kind: The sales 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 at prices ranging from $53.00 to $53.12. The reporting person undertakes to provide 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 in this footnote.

F1 · ownership.nature: Following the transactions reported herein, includes (i) 37,493,725 LLC Units of ZoomInfo Holdings LLC ("OpCo Units") and shares of Class B Common Stock held by Carlyle Partners VI Evergreen Holdings, L.P. ("Carlyle Evergreen"), (ii) 37,702,342 shares of Class C Common Stock held of record by CP VI Evergreen Holdings, L.P. ("CP VI Evergreen") and (iii) 13,097,978 shares of Class C Common Stock held of record by Carlyle Partners VI Dash Holdings, L.P. ("Carlyle VI Dash").

F2 · ownership.nature: Carlyle Group Management L.L.C. holds an irrevocable proxy to vote a majority of the shares of The Carlyle Group Inc., which is a publicly traded entity listed on Nasdaq. The Carlyle Group Inc. is the sole shareholder of Carlyle Holdings I GP Inc., which is the sole member of Carlyle Holdings I GP Sub L.L.C., which is the general partner of Carlyle Holdings I L.P., which, with respect to the securities held of record by Carlyle Evergreen and CP VI Evergreen, is the managing member of CG Subsidiary Holdings L.L.C., which is the managing member of TC Group, L.L.C., which is the general partner of TC Group Sub L.P., which is the managing member of TC Group VI S1, L.L.C., which is the general partner of TC Group VI S1, L.P., which is the general partner of Carlyle Evergreen and CP VI Evergreen.

F3 · ownership.nature: Cont'd. The Carlyle Group Inc. is also the sole member of Carlyle Holdings II GP L.L.C., which is the managing member of Carlyle Holdings II L.L.C., which, with respect to the securities held of record by Carlyle VI Dash, is the managing member of CG Subsidiary Holdings L.L.C., which is the general partner of TC Group Cayman Investment Holdings, L.P., which is the general partner of TC Group Cayman Investment Holdings Sub L.P., which is the sole member of TC Group VI, L.L.C., which is the general partner of TC Group VI, L.P., which is the general partner of Carlyle VI Dash.

SEC source: 0000899243-21-027351 · doc4.xml · nonDerivative · entry 2

TC Group Cayman Investment Holdings, L.P. · CIK 0001475444 · 10% owner

TC Group Cayman Investment Holdings Sub L.P. · CIK 0001548636 · 10% owner

TC Group VI S1, L.L.C. · CIK 0001766541 · 10% owner

TC Group VI S1, L.P. · CIK 0001766496 · 10% owner

TC Group VI, L.L.C. · CIK 0001791638 · 10% owner

TC Group VI, L.P. · CIK 0001791637 · 10% owner

Carlyle Partners VI Evergreen Holdings, L.P. · CIK 0001802267 · 10% owner

CP VI Evergreen Holdings, L.P. · CIK 0001813962 · 10% owner

Carlyle Partners VI Dash Holdings, L.P. · CIK 0001802268 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 2,850

F4 · kind: The sales 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 at prices ranging from $52.06 to $52.99. The reporting person undertakes to provide 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 in this footnote.

F1 · ownership.nature: Following the transactions reported herein, includes (i) 37,493,725 LLC Units of ZoomInfo Holdings LLC ("OpCo Units") and shares of Class B Common Stock held by Carlyle Partners VI Evergreen Holdings, L.P. ("Carlyle Evergreen"), (ii) 37,702,342 shares of Class C Common Stock held of record by CP VI Evergreen Holdings, L.P. ("CP VI Evergreen") and (iii) 13,097,978 shares of Class C Common Stock held of record by Carlyle Partners VI Dash Holdings, L.P. ("Carlyle VI Dash").

F2 · ownership.nature: Carlyle Group Management L.L.C. holds an irrevocable proxy to vote a majority of the shares of The Carlyle Group Inc., which is a publicly traded entity listed on Nasdaq. The Carlyle Group Inc. is the sole shareholder of Carlyle Holdings I GP Inc., which is the sole member of Carlyle Holdings I GP Sub L.L.C., which is the general partner of Carlyle Holdings I L.P., which, with respect to the securities held of record by Carlyle Evergreen and CP VI Evergreen, is the managing member of CG Subsidiary Holdings L.L.C., which is the managing member of TC Group, L.L.C., which is the general partner of TC Group Sub L.P., which is the managing member of TC Group VI S1, L.L.C., which is the general partner of TC Group VI S1, L.P., which is the general partner of Carlyle Evergreen and CP VI Evergreen.

F3 · ownership.nature: Cont'd. The Carlyle Group Inc. is also the sole member of Carlyle Holdings II GP L.L.C., which is the managing member of Carlyle Holdings II L.L.C., which, with respect to the securities held of record by Carlyle VI Dash, is the managing member of CG Subsidiary Holdings L.L.C., which is the general partner of TC Group Cayman Investment Holdings, L.P., which is the general partner of TC Group Cayman Investment Holdings Sub L.P., which is the sole member of TC Group VI, L.L.C., which is the general partner of TC Group VI, L.P., which is the general partner of Carlyle VI Dash.

SEC source: 0000899243-21-027351 · doc4.xml · nonDerivative · entry 1

TC Group Cayman Investment Holdings, L.P. · CIK 0001475444 · 10% owner

TC Group Cayman Investment Holdings Sub L.P. · CIK 0001548636 · 10% owner

TC Group VI S1, L.L.C. · CIK 0001766541 · 10% owner

TC Group VI S1, L.P. · CIK 0001766496 · 10% owner

TC Group VI, L.L.C. · CIK 0001791638 · 10% owner

TC Group VI, L.P. · CIK 0001791637 · 10% owner

Carlyle Partners VI Evergreen Holdings, L.P. · CIK 0001802267 · 10% owner

CP VI Evergreen Holdings, L.P. · CIK 0001813962 · 10% owner

Carlyle Partners VI Dash Holdings, L.P. · CIK 0001802268 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 70,193

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 · ownership.nature: Following the transactions reported herein, includes (i) 37,493,725 LLC Units of ZoomInfo Holdings LLC ("OpCo Units") and shares of Class B Common Stock held by Carlyle Partners VI Evergreen Holdings, L.P. ("Carlyle Evergreen"), (ii) 37,702,342 shares of Class C Common Stock held of record by CP VI Evergreen Holdings, L.P. ("CP VI Evergreen") and (iii) 13,097,978 shares of Class C Common Stock held of record by Carlyle Partners VI Dash Holdings, L.P. ("Carlyle VI Dash").

F2 · ownership.nature: Carlyle Group Management L.L.C. holds an irrevocable proxy to vote a majority of the shares of The Carlyle Group Inc., which is a publicly traded entity listed on Nasdaq. The Carlyle Group Inc. is the sole shareholder of Carlyle Holdings I GP Inc., which is the sole member of Carlyle Holdings I GP Sub L.L.C., which is the general partner of Carlyle Holdings I L.P., which, with respect to the securities held of record by Carlyle Evergreen and CP VI Evergreen, is the managing member of CG Subsidiary Holdings L.L.C., which is the managing member of TC Group, L.L.C., which is the general partner of TC Group Sub L.P., which is the managing member of TC Group VI S1, L.L.C., which is the general partner of TC Group VI S1, L.P., which is the general partner of Carlyle Evergreen and CP VI Evergreen.

F3 · ownership.nature: Cont'd. The Carlyle Group Inc. is also the sole member of Carlyle Holdings II GP L.L.C., which is the managing member of Carlyle Holdings II L.L.C., which, with respect to the securities held of record by Carlyle VI Dash, is the managing member of CG Subsidiary Holdings L.L.C., which is the general partner of TC Group Cayman Investment Holdings, L.P., which is the general partner of TC Group Cayman Investment Holdings Sub L.P., which is the sole member of TC Group VI, L.L.C., which is the general partner of TC Group VI, L.P., which is the general partner of Carlyle VI Dash.

SEC source: 0000899243-21-026823 · doc4.xml · derivative · entry 8

Carlyle Group Management L.L.C. · CIK 0001548624 · 10% owner

Carlyle Group Inc. · CIK 0001527166 · 10% owner

Carlyle Holdings I GP Inc. · CIK 0001548626 · 10% owner

Carlyle Holdings I GP Sub L.L.C. · CIK 0001548627 · 10% owner

Carlyle Holdings I L.P. · CIK 0001548628 · 10% owner

CG Subsidiary Holdings L.L.C. · CIK 0001790577 · 10% owner

TC Group, LLC · CIK 0000933790 · 10% owner

TC Group Sub L.P. · CIK 0001548639 · 10% owner

Carlyle Holdings II GP L.L.C. · CIK 0001548629 · 10% owner

Carlyle Holdings II L.L.C. · CIK 0001548630 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 50,871,935

Underlying: Class A Common Stock · 66,092 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.

F9 · derivative.exercise_price: The Class C Common Stock may be converted into shares of the Issuer's Class A Common Stock on a one-to-one basis at the discretion of the holder and has no expiration date.

F9 · derivative.exercise_date: The Class C Common Stock may be converted into shares of the Issuer's Class A Common Stock on a one-to-one basis at the discretion of the holder and has no expiration date.

F9 · derivative.expiration_date: The Class C Common Stock may be converted into shares of the Issuer's Class A Common Stock on a one-to-one basis at the discretion of the holder and has no expiration date.

F1 · ownership.nature: Following the transactions reported herein, includes (i) 37,493,725 LLC Units of ZoomInfo Holdings LLC ("OpCo Units") and shares of Class B Common Stock held by Carlyle Partners VI Evergreen Holdings, L.P. ("Carlyle Evergreen"), (ii) 37,702,342 shares of Class C Common Stock held of record by CP VI Evergreen Holdings, L.P. ("CP VI Evergreen") and (iii) 13,169,593 shares of Class C Common Stock held of record by Carlyle Partners VI Dash Holdings, L.P. ("Carlyle VI Dash").

F2 · ownership.nature: Carlyle Group Management L.L.C. holds an irrevocable proxy to vote a majority of the shares of The Carlyle Group Inc., which is a publicly traded entity listed on Nasdaq. The Carlyle Group Inc. is the sole shareholder of Carlyle Holdings I GP Inc., which is the sole member of Carlyle Holdings I GP Sub L.L.C., which is the general partner of Carlyle Holdings I L.P., which, with respect to the securities held of record by Carlyle Evergreen and CP VI Evergreen, is the managing member of CG Subsidiary Holdings L.L.C., which is the managing member of TC Group, L.L.C., which is the general partner of TC Group Sub L.P., which is the managing member of TC Group VI S1, L.L.C., which is the general partner of TC Group VI S1, L.P., which is the general partner of Carlyle Evergreen and CP VI Evergreen.

F3 · ownership.nature: Cont'd. The Carlyle Group Inc. is also the sole member of Carlyle Holdings II GP L.L.C., which is the managing member of Carlyle Holdings II L.L.C., which, with respect to the securities held of record by Carlyle VI Dash, is the managing member of CG Subsidiary Holdings L.L.C., which is the general partner of TC Group Cayman Investment Holdings, L.P., which is the general partner of TC Group Cayman Investment Holdings Sub L.P., which is the sole member of TC Group VI, L.L.C., which is the general partner of TC Group VI, L.P., which is the general partner of Carlyle VI Dash.

SEC source: 0000899243-21-026823 · doc4.xml · nonDerivative · entry 6

Carlyle Group Management L.L.C. · CIK 0001548624 · 10% owner

Carlyle Group Inc. · CIK 0001527166 · 10% owner

Carlyle Holdings I GP Inc. · CIK 0001548626 · 10% owner

Carlyle Holdings I GP Sub L.L.C. · CIK 0001548627 · 10% owner

Carlyle Holdings I L.P. · CIK 0001548628 · 10% owner

CG Subsidiary Holdings L.L.C. · CIK 0001790577 · 10% owner

TC Group, LLC · CIK 0000933790 · 10% owner

TC Group Sub L.P. · CIK 0001548639 · 10% owner

Carlyle Holdings II GP L.L.C. · CIK 0001548629 · 10% owner

Carlyle Holdings II L.L.C. · CIK 0001548630 · 10% owner

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

F4 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan.

F8 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $53.00 to $53.88. The reporting person undertakes to provide 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 in this footnote.

F1 · ownership.nature: Following the transactions reported herein, includes (i) 37,493,725 LLC Units of ZoomInfo Holdings LLC ("OpCo Units") and shares of Class B Common Stock held by Carlyle Partners VI Evergreen Holdings, L.P. ("Carlyle Evergreen"), (ii) 37,702,342 shares of Class C Common Stock held of record by CP VI Evergreen Holdings, L.P. ("CP VI Evergreen") and (iii) 13,169,593 shares of Class C Common Stock held of record by Carlyle Partners VI Dash Holdings, L.P. ("Carlyle VI Dash").

F2 · ownership.nature: Carlyle Group Management L.L.C. holds an irrevocable proxy to vote a majority of the shares of The Carlyle Group Inc., which is a publicly traded entity listed on Nasdaq. The Carlyle Group Inc. is the sole shareholder of Carlyle Holdings I GP Inc., which is the sole member of Carlyle Holdings I GP Sub L.L.C., which is the general partner of Carlyle Holdings I L.P., which, with respect to the securities held of record by Carlyle Evergreen and CP VI Evergreen, is the managing member of CG Subsidiary Holdings L.L.C., which is the managing member of TC Group, L.L.C., which is the general partner of TC Group Sub L.P., which is the managing member of TC Group VI S1, L.L.C., which is the general partner of TC Group VI S1, L.P., which is the general partner of Carlyle Evergreen and CP VI Evergreen.

F3 · ownership.nature: Cont'd. The Carlyle Group Inc. is also the sole member of Carlyle Holdings II GP L.L.C., which is the managing member of Carlyle Holdings II L.L.C., which, with respect to the securities held of record by Carlyle VI Dash, is the managing member of CG Subsidiary Holdings L.L.C., which is the general partner of TC Group Cayman Investment Holdings, L.P., which is the general partner of TC Group Cayman Investment Holdings Sub L.P., which is the sole member of TC Group VI, L.L.C., which is the general partner of TC Group VI, L.P., which is the general partner of Carlyle VI Dash.

SEC source: 0000899243-21-026823 · doc4.xml · nonDerivative · entry 5

Carlyle Group Management L.L.C. · CIK 0001548624 · 10% owner

Carlyle Group Inc. · CIK 0001527166 · 10% owner

Carlyle Holdings I GP Inc. · CIK 0001548626 · 10% owner

Carlyle Holdings I GP Sub L.L.C. · CIK 0001548627 · 10% owner

Carlyle Holdings I L.P. · CIK 0001548628 · 10% owner

CG Subsidiary Holdings L.L.C. · CIK 0001790577 · 10% owner

TC Group, LLC · CIK 0000933790 · 10% owner

TC Group Sub L.P. · CIK 0001548639 · 10% owner

Carlyle Holdings II GP L.L.C. · CIK 0001548629 · 10% owner

Carlyle Holdings II L.L.C. · CIK 0001548630 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 52,473

F4 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan.

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $52.00 to $52.98. The reporting person undertakes to provide 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 in this footnote.

F1 · ownership.nature: Following the transactions reported herein, includes (i) 37,493,725 LLC Units of ZoomInfo Holdings LLC ("OpCo Units") and shares of Class B Common Stock held by Carlyle Partners VI Evergreen Holdings, L.P. ("Carlyle Evergreen"), (ii) 37,702,342 shares of Class C Common Stock held of record by CP VI Evergreen Holdings, L.P. ("CP VI Evergreen") and (iii) 13,169,593 shares of Class C Common Stock held of record by Carlyle Partners VI Dash Holdings, L.P. ("Carlyle VI Dash").

F2 · ownership.nature: Carlyle Group Management L.L.C. holds an irrevocable proxy to vote a majority of the shares of The Carlyle Group Inc., which is a publicly traded entity listed on Nasdaq. The Carlyle Group Inc. is the sole shareholder of Carlyle Holdings I GP Inc., which is the sole member of Carlyle Holdings I GP Sub L.L.C., which is the general partner of Carlyle Holdings I L.P., which, with respect to the securities held of record by Carlyle Evergreen and CP VI Evergreen, is the managing member of CG Subsidiary Holdings L.L.C., which is the managing member of TC Group, L.L.C., which is the general partner of TC Group Sub L.P., which is the managing member of TC Group VI S1, L.L.C., which is the general partner of TC Group VI S1, L.P., which is the general partner of Carlyle Evergreen and CP VI Evergreen.

F3 · ownership.nature: Cont'd. The Carlyle Group Inc. is also the sole member of Carlyle Holdings II GP L.L.C., which is the managing member of Carlyle Holdings II L.L.C., which, with respect to the securities held of record by Carlyle VI Dash, is the managing member of CG Subsidiary Holdings L.L.C., which is the general partner of TC Group Cayman Investment Holdings, L.P., which is the general partner of TC Group Cayman Investment Holdings Sub L.P., which is the sole member of TC Group VI, L.L.C., which is the general partner of TC Group VI, L.P., which is the general partner of Carlyle VI Dash.

SEC source: 0000899243-21-026823 · doc4.xml · nonDerivative · entry 4

Carlyle Group Management L.L.C. · CIK 0001548624 · 10% owner

Carlyle Group Inc. · CIK 0001527166 · 10% owner

Carlyle Holdings I GP Inc. · CIK 0001548626 · 10% owner

Carlyle Holdings I GP Sub L.L.C. · CIK 0001548627 · 10% owner

Carlyle Holdings I L.P. · CIK 0001548628 · 10% owner

CG Subsidiary Holdings L.L.C. · CIK 0001790577 · 10% owner

TC Group, LLC · CIK 0000933790 · 10% owner

TC Group Sub L.P. · CIK 0001548639 · 10% owner

Carlyle Holdings II GP L.L.C. · CIK 0001548629 · 10% owner

Carlyle Holdings II L.L.C. · CIK 0001548630 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 66,092

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 · ownership.nature: Following the transactions reported herein, includes (i) 37,493,725 LLC Units of ZoomInfo Holdings LLC ("OpCo Units") and shares of Class B Common Stock held by Carlyle Partners VI Evergreen Holdings, L.P. ("Carlyle Evergreen"), (ii) 37,702,342 shares of Class C Common Stock held of record by CP VI Evergreen Holdings, L.P. ("CP VI Evergreen") and (iii) 13,169,593 shares of Class C Common Stock held of record by Carlyle Partners VI Dash Holdings, L.P. ("Carlyle VI Dash").

F2 · ownership.nature: Carlyle Group Management L.L.C. holds an irrevocable proxy to vote a majority of the shares of The Carlyle Group Inc., which is a publicly traded entity listed on Nasdaq. The Carlyle Group Inc. is the sole shareholder of Carlyle Holdings I GP Inc., which is the sole member of Carlyle Holdings I GP Sub L.L.C., which is the general partner of Carlyle Holdings I L.P., which, with respect to the securities held of record by Carlyle Evergreen and CP VI Evergreen, is the managing member of CG Subsidiary Holdings L.L.C., which is the managing member of TC Group, L.L.C., which is the general partner of TC Group Sub L.P., which is the managing member of TC Group VI S1, L.L.C., which is the general partner of TC Group VI S1, L.P., which is the general partner of Carlyle Evergreen and CP VI Evergreen.

F3 · ownership.nature: Cont'd. The Carlyle Group Inc. is also the sole member of Carlyle Holdings II GP L.L.C., which is the managing member of Carlyle Holdings II L.L.C., which, with respect to the securities held of record by Carlyle VI Dash, is the managing member of CG Subsidiary Holdings L.L.C., which is the general partner of TC Group Cayman Investment Holdings, L.P., which is the general partner of TC Group Cayman Investment Holdings Sub L.P., which is the sole member of TC Group VI, L.L.C., which is the general partner of TC Group VI, L.P., which is the general partner of Carlyle VI Dash.

SEC source: 0000899243-21-026824 · doc4.xml · derivative · entry 8

TC Group Cayman Investment Holdings, L.P. · CIK 0001475444 · 10% owner

TC Group Cayman Investment Holdings Sub L.P. · CIK 0001548636 · 10% owner

TC Group VI S1, L.L.C. · CIK 0001766541 · 10% owner

TC Group VI S1, L.P. · CIK 0001766496 · 10% owner

TC Group VI, L.L.C. · CIK 0001791638 · 10% owner

TC Group VI, L.P. · CIK 0001791637 · 10% owner

Carlyle Partners VI Evergreen Holdings, L.P. · CIK 0001802267 · 10% owner

CP VI Evergreen Holdings, L.P. · CIK 0001813962 · 10% owner

Carlyle Partners VI Dash Holdings, L.P. · CIK 0001802268 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 50,871,935

Underlying: Class A Common Stock · 66,092 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.

F9 · derivative.exercise_price: The Class C Common Stock may be converted into shares of the Issuer's Class A Common Stock on a one-to-one basis at the discretion of the holder and has no expiration date.

F9 · derivative.exercise_date: The Class C Common Stock may be converted into shares of the Issuer's Class A Common Stock on a one-to-one basis at the discretion of the holder and has no expiration date.

F9 · derivative.expiration_date: The Class C Common Stock may be converted into shares of the Issuer's Class A Common Stock on a one-to-one basis at the discretion of the holder and has no expiration date.

F1 · ownership.nature: Following the transactions reported herein, includes (i) 37,493,725 LLC Units of ZoomInfo Holdings LLC ("OpCo Units") and shares of Class B Common Stock held by Carlyle Partners VI Evergreen Holdings, L.P. ("Carlyle Evergreen"), (ii) 37,702,342 shares of Class C Common Stock held of record by CP VI Evergreen Holdings, L.P. ("CP VI Evergreen") and (iii) 13,169,593 shares of Class C Common Stock held of record by Carlyle Partners VI Dash Holdings, L.P. ("Carlyle VI Dash").

F2 · ownership.nature: Carlyle Group Management L.L.C. holds an irrevocable proxy to vote a majority of the shares of The Carlyle Group Inc., which is a publicly traded entity listed on Nasdaq. The Carlyle Group Inc. is the sole shareholder of Carlyle Holdings I GP Inc., which is the sole member of Carlyle Holdings I GP Sub L.L.C., which is the general partner of Carlyle Holdings I L.P., which, with respect to the securities held of record by Carlyle Evergreen and CP VI Evergreen, is the managing member of CG Subsidiary Holdings L.L.C., which is the managing member of TC Group, L.L.C., which is the general partner of TC Group Sub L.P., which is the managing member of TC Group VI S1, L.L.C., which is the general partner of TC Group VI S1, L.P., which is the general partner of Carlyle Evergreen and CP VI Evergreen.

F3 · ownership.nature: Cont'd. The Carlyle Group Inc. is also the sole member of Carlyle Holdings II GP L.L.C., which is the managing member of Carlyle Holdings II L.L.C., which, with respect to the securities held of record by Carlyle VI Dash, is the managing member of CG Subsidiary Holdings L.L.C., which is the general partner of TC Group Cayman Investment Holdings, L.P., which is the general partner of TC Group Cayman Investment Holdings Sub L.P., which is the sole member of TC Group VI, L.L.C., which is the general partner of TC Group VI, L.P., which is the general partner of Carlyle VI Dash.

SEC source: 0000899243-21-026824 · doc4.xml · nonDerivative · entry 6

TC Group Cayman Investment Holdings, L.P. · CIK 0001475444 · 10% owner

TC Group Cayman Investment Holdings Sub L.P. · CIK 0001548636 · 10% owner

TC Group VI S1, L.L.C. · CIK 0001766541 · 10% owner

TC Group VI S1, L.P. · CIK 0001766496 · 10% owner

TC Group VI, L.L.C. · CIK 0001791638 · 10% owner

TC Group VI, L.P. · CIK 0001791637 · 10% owner

Carlyle Partners VI Evergreen Holdings, L.P. · CIK 0001802267 · 10% owner

CP VI Evergreen Holdings, L.P. · CIK 0001813962 · 10% owner

Carlyle Partners VI Dash Holdings, L.P. · CIK 0001802268 · 10% owner

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

F4 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan.

F8 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $53.00 to $53.88. The reporting person undertakes to provide 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 in this footnote.

F1 · ownership.nature: Following the transactions reported herein, includes (i) 37,493,725 LLC Units of ZoomInfo Holdings LLC ("OpCo Units") and shares of Class B Common Stock held by Carlyle Partners VI Evergreen Holdings, L.P. ("Carlyle Evergreen"), (ii) 37,702,342 shares of Class C Common Stock held of record by CP VI Evergreen Holdings, L.P. ("CP VI Evergreen") and (iii) 13,169,593 shares of Class C Common Stock held of record by Carlyle Partners VI Dash Holdings, L.P. ("Carlyle VI Dash").

F2 · ownership.nature: Carlyle Group Management L.L.C. holds an irrevocable proxy to vote a majority of the shares of The Carlyle Group Inc., which is a publicly traded entity listed on Nasdaq. The Carlyle Group Inc. is the sole shareholder of Carlyle Holdings I GP Inc., which is the sole member of Carlyle Holdings I GP Sub L.L.C., which is the general partner of Carlyle Holdings I L.P., which, with respect to the securities held of record by Carlyle Evergreen and CP VI Evergreen, is the managing member of CG Subsidiary Holdings L.L.C., which is the managing member of TC Group, L.L.C., which is the general partner of TC Group Sub L.P., which is the managing member of TC Group VI S1, L.L.C., which is the general partner of TC Group VI S1, L.P., which is the general partner of Carlyle Evergreen and CP VI Evergreen.

F3 · ownership.nature: Cont'd. The Carlyle Group Inc. is also the sole member of Carlyle Holdings II GP L.L.C., which is the managing member of Carlyle Holdings II L.L.C., which, with respect to the securities held of record by Carlyle VI Dash, is the managing member of CG Subsidiary Holdings L.L.C., which is the general partner of TC Group Cayman Investment Holdings, L.P., which is the general partner of TC Group Cayman Investment Holdings Sub L.P., which is the sole member of TC Group VI, L.L.C., which is the general partner of TC Group VI, L.P., which is the general partner of Carlyle VI Dash.

SEC source: 0000899243-21-026824 · doc4.xml · nonDerivative · entry 5

TC Group Cayman Investment Holdings, L.P. · CIK 0001475444 · 10% owner

TC Group Cayman Investment Holdings Sub L.P. · CIK 0001548636 · 10% owner

TC Group VI S1, L.L.C. · CIK 0001766541 · 10% owner

TC Group VI S1, L.P. · CIK 0001766496 · 10% owner

TC Group VI, L.L.C. · CIK 0001791638 · 10% owner

TC Group VI, L.P. · CIK 0001791637 · 10% owner

Carlyle Partners VI Evergreen Holdings, L.P. · CIK 0001802267 · 10% owner

CP VI Evergreen Holdings, L.P. · CIK 0001813962 · 10% owner

Carlyle Partners VI Dash Holdings, L.P. · CIK 0001802268 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 52,473

F4 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan.

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $52.00 to $52.98. The reporting person undertakes to provide 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 in this footnote.

F1 · ownership.nature: Following the transactions reported herein, includes (i) 37,493,725 LLC Units of ZoomInfo Holdings LLC ("OpCo Units") and shares of Class B Common Stock held by Carlyle Partners VI Evergreen Holdings, L.P. ("Carlyle Evergreen"), (ii) 37,702,342 shares of Class C Common Stock held of record by CP VI Evergreen Holdings, L.P. ("CP VI Evergreen") and (iii) 13,169,593 shares of Class C Common Stock held of record by Carlyle Partners VI Dash Holdings, L.P. ("Carlyle VI Dash").

F2 · ownership.nature: Carlyle Group Management L.L.C. holds an irrevocable proxy to vote a majority of the shares of The Carlyle Group Inc., which is a publicly traded entity listed on Nasdaq. The Carlyle Group Inc. is the sole shareholder of Carlyle Holdings I GP Inc., which is the sole member of Carlyle Holdings I GP Sub L.L.C., which is the general partner of Carlyle Holdings I L.P., which, with respect to the securities held of record by Carlyle Evergreen and CP VI Evergreen, is the managing member of CG Subsidiary Holdings L.L.C., which is the managing member of TC Group, L.L.C., which is the general partner of TC Group Sub L.P., which is the managing member of TC Group VI S1, L.L.C., which is the general partner of TC Group VI S1, L.P., which is the general partner of Carlyle Evergreen and CP VI Evergreen.

F3 · ownership.nature: Cont'd. The Carlyle Group Inc. is also the sole member of Carlyle Holdings II GP L.L.C., which is the managing member of Carlyle Holdings II L.L.C., which, with respect to the securities held of record by Carlyle VI Dash, is the managing member of CG Subsidiary Holdings L.L.C., which is the general partner of TC Group Cayman Investment Holdings, L.P., which is the general partner of TC Group Cayman Investment Holdings Sub L.P., which is the sole member of TC Group VI, L.L.C., which is the general partner of TC Group VI, L.P., which is the general partner of Carlyle VI Dash.

SEC source: 0000899243-21-026824 · doc4.xml · nonDerivative · entry 4

TC Group Cayman Investment Holdings, L.P. · CIK 0001475444 · 10% owner

TC Group Cayman Investment Holdings Sub L.P. · CIK 0001548636 · 10% owner

TC Group VI S1, L.L.C. · CIK 0001766541 · 10% owner

TC Group VI S1, L.P. · CIK 0001766496 · 10% owner

TC Group VI, L.L.C. · CIK 0001791638 · 10% owner

TC Group VI, L.P. · CIK 0001791637 · 10% owner

Carlyle Partners VI Evergreen Holdings, L.P. · CIK 0001802267 · 10% owner

CP VI Evergreen Holdings, L.P. · CIK 0001813962 · 10% owner

Carlyle Partners VI Dash Holdings, L.P. · CIK 0001802268 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 66,092

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 · ownership.nature: Following the transactions reported herein, includes (i) 37,493,725 LLC Units of ZoomInfo Holdings LLC ("OpCo Units") and shares of Class B Common Stock held by Carlyle Partners VI Evergreen Holdings, L.P. ("Carlyle Evergreen"), (ii) 37,702,342 shares of Class C Common Stock held of record by CP VI Evergreen Holdings, L.P. ("CP VI Evergreen") and (iii) 13,169,593 shares of Class C Common Stock held of record by Carlyle Partners VI Dash Holdings, L.P. ("Carlyle VI Dash").

F2 · ownership.nature: Carlyle Group Management L.L.C. holds an irrevocable proxy to vote a majority of the shares of The Carlyle Group Inc., which is a publicly traded entity listed on Nasdaq. The Carlyle Group Inc. is the sole shareholder of Carlyle Holdings I GP Inc., which is the sole member of Carlyle Holdings I GP Sub L.L.C., which is the general partner of Carlyle Holdings I L.P., which, with respect to the securities held of record by Carlyle Evergreen and CP VI Evergreen, is the managing member of CG Subsidiary Holdings L.L.C., which is the managing member of TC Group, L.L.C., which is the general partner of TC Group Sub L.P., which is the managing member of TC Group VI S1, L.L.C., which is the general partner of TC Group VI S1, L.P., which is the general partner of Carlyle Evergreen and CP VI Evergreen.

F3 · ownership.nature: Cont'd. The Carlyle Group Inc. is also the sole member of Carlyle Holdings II GP L.L.C., which is the managing member of Carlyle Holdings II L.L.C., which, with respect to the securities held of record by Carlyle VI Dash, is the managing member of CG Subsidiary Holdings L.L.C., which is the general partner of TC Group Cayman Investment Holdings, L.P., which is the general partner of TC Group Cayman Investment Holdings Sub L.P., which is the sole member of TC Group VI, L.L.C., which is the general partner of TC Group VI, L.P., which is the general partner of Carlyle VI Dash.

SEC source: 0001209191-21-044523 · doc4.xml · derivative · entry 30

TA ASSOCIATES, L.P. · CIK 0001034569 · Director · 10% owner

TA XI DO AIV, L.P. · CIK 0001609536 · Director · 10% owner

TA SDF III DO AIV, L.P. · CIK 0001609553 · Director · 10% owner

TA Atlantic & Pacific VII-A L.P. · CIK 0001548681 · Director · 10% owner

TA INVESTORS IV, L.P. · CIK 0001578035 · Director · 10% owner

TA SDF III DO AIV II, L.P. · CIK 0001812605 · Director · 10% owner

TA XI DO AIV II, L.P. · CIK 0001812606 · Director · 10% owner

TA AP VII-B DO Subsidiary Partnership, L.P. · CIK 0001812579 · Director · 10% owner

TA SDF III DO Feeder, L.P. · CIK 0001609557 · Director · 10% owner

TA XI DO Feeder, L.P. · CIK 0001609539 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 11,532,303

Underlying: Class A Common Stock · 1,516 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.

F17 · derivative.exercise_price: The Class C Common Stock is convertible at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer and has no expiration date. Upon any transfer of shares of Class C Common Stock, whether or not for value, each such transferred share will automatically convert into one share of Class A Common Stock, except for certain transfers described in the Issuer's amended and restated certificate of incorporation. The shares of Class C Common Stock will convert automatically into Class A Common Stock, on a one-for-one basis, when the aggregate number of outstanding shares of the Company's Class B Common Stock and Class C Common Stock represents less than 5% of the aggregate number of the Company's outstanding shares of Common Stock. The shares of Class C Common Stock have ten votes per share.

F17 · derivative.exercise_date: The Class C Common Stock is convertible at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer and has no expiration date. Upon any transfer of shares of Class C Common Stock, whether or not for value, each such transferred share will automatically convert into one share of Class A Common Stock, except for certain transfers described in the Issuer's amended and restated certificate of incorporation. The shares of Class C Common Stock will convert automatically into Class A Common Stock, on a one-for-one basis, when the aggregate number of outstanding shares of the Company's Class B Common Stock and Class C Common Stock represents less than 5% of the aggregate number of the Company's outstanding shares of Common Stock. The shares of Class C Common Stock have ten votes per share.

F17 · derivative.expiration_date: The Class C Common Stock is convertible at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer and has no expiration date. Upon any transfer of shares of Class C Common Stock, whether or not for value, each such transferred share will automatically convert into one share of Class A Common Stock, except for certain transfers described in the Issuer's amended and restated certificate of incorporation. The shares of Class C Common Stock will convert automatically into Class A Common Stock, on a one-for-one basis, when the aggregate number of outstanding shares of the Company's Class B Common Stock and Class C Common Stock represents less than 5% of the aggregate number of the Company's outstanding shares of Common Stock. The shares of Class C Common Stock have ten votes per share.

F3 · ownership.nature: TA Associates, L.P. is the ultimate general partner of each of XI DO, SDF III Feeder, Atlantic & Pacific VII-B, XI DO AIV, SDF III DO, Atlantic & Pacific VII-A, Investors IV, AP VII-B, SDF III DO AIV II and XI DO AIV II (collectively, the "TA Associates Funds"). Investment and voting control of the TA Associates Funds is held by TA Associates, L.P. Todd R. Crockett and Jason S. Mironov are directors of the Issuer and serve as representatives of TA Associates, L.P. and the TA Associates Funds on the Issuer's board of directors. TA Associates, L.P. disclaims beneficial ownership of such securities, except to the extent of its pecuniary interest in such securities, if any.

F13 · ownership.nature: Securities are held by TA Atlantic & Pacific VII-B, L.P. ("Atlantic & Pacific VII-B").

SEC source: 0001209191-21-044523 · doc4.xml · derivative · entry 29

TA ASSOCIATES, L.P. · CIK 0001034569 · Director · 10% owner

TA XI DO AIV, L.P. · CIK 0001609536 · Director · 10% owner

TA SDF III DO AIV, L.P. · CIK 0001609553 · Director · 10% owner

TA Atlantic & Pacific VII-A L.P. · CIK 0001548681 · Director · 10% owner

TA INVESTORS IV, L.P. · CIK 0001578035 · Director · 10% owner

TA SDF III DO AIV II, L.P. · CIK 0001812605 · Director · 10% owner

TA XI DO AIV II, L.P. · CIK 0001812606 · Director · 10% owner

TA AP VII-B DO Subsidiary Partnership, L.P. · CIK 0001812579 · Director · 10% owner

TA SDF III DO Feeder, L.P. · CIK 0001609557 · Director · 10% owner

TA XI DO Feeder, L.P. · CIK 0001609539 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 12,854,077

Underlying: Class A Common Stock · 1,690 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.

F17 · derivative.exercise_price: The Class C Common Stock is convertible at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer and has no expiration date. Upon any transfer of shares of Class C Common Stock, whether or not for value, each such transferred share will automatically convert into one share of Class A Common Stock, except for certain transfers described in the Issuer's amended and restated certificate of incorporation. The shares of Class C Common Stock will convert automatically into Class A Common Stock, on a one-for-one basis, when the aggregate number of outstanding shares of the Company's Class B Common Stock and Class C Common Stock represents less than 5% of the aggregate number of the Company's outstanding shares of Common Stock. The shares of Class C Common Stock have ten votes per share.

F17 · derivative.exercise_date: The Class C Common Stock is convertible at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer and has no expiration date. Upon any transfer of shares of Class C Common Stock, whether or not for value, each such transferred share will automatically convert into one share of Class A Common Stock, except for certain transfers described in the Issuer's amended and restated certificate of incorporation. The shares of Class C Common Stock will convert automatically into Class A Common Stock, on a one-for-one basis, when the aggregate number of outstanding shares of the Company's Class B Common Stock and Class C Common Stock represents less than 5% of the aggregate number of the Company's outstanding shares of Common Stock. The shares of Class C Common Stock have ten votes per share.

F17 · derivative.expiration_date: The Class C Common Stock is convertible at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer and has no expiration date. Upon any transfer of shares of Class C Common Stock, whether or not for value, each such transferred share will automatically convert into one share of Class A Common Stock, except for certain transfers described in the Issuer's amended and restated certificate of incorporation. The shares of Class C Common Stock will convert automatically into Class A Common Stock, on a one-for-one basis, when the aggregate number of outstanding shares of the Company's Class B Common Stock and Class C Common Stock represents less than 5% of the aggregate number of the Company's outstanding shares of Common Stock. The shares of Class C Common Stock have ten votes per share.

F3 · ownership.nature: TA Associates, L.P. is the ultimate general partner of each of XI DO, SDF III Feeder, Atlantic & Pacific VII-B, XI DO AIV, SDF III DO, Atlantic & Pacific VII-A, Investors IV, AP VII-B, SDF III DO AIV II and XI DO AIV II (collectively, the "TA Associates Funds"). Investment and voting control of the TA Associates Funds is held by TA Associates, L.P. Todd R. Crockett and Jason S. Mironov are directors of the Issuer and serve as representatives of TA Associates, L.P. and the TA Associates Funds on the Issuer's board of directors. TA Associates, L.P. disclaims beneficial ownership of such securities, except to the extent of its pecuniary interest in such securities, if any.

F12 · ownership.nature: Securities are held by TA XI DO Feeder, L.P ("XI DO").

SEC source: 0001209191-21-044523 · doc4.xml · derivative · entry 28

TA ASSOCIATES, L.P. · CIK 0001034569 · Director · 10% owner

TA XI DO AIV, L.P. · CIK 0001609536 · Director · 10% owner

TA SDF III DO AIV, L.P. · CIK 0001609553 · Director · 10% owner

TA Atlantic & Pacific VII-A L.P. · CIK 0001548681 · Director · 10% owner

TA INVESTORS IV, L.P. · CIK 0001578035 · Director · 10% owner

TA SDF III DO AIV II, L.P. · CIK 0001812605 · Director · 10% owner

TA XI DO AIV II, L.P. · CIK 0001812606 · Director · 10% owner

TA AP VII-B DO Subsidiary Partnership, L.P. · CIK 0001812579 · Director · 10% owner

TA SDF III DO Feeder, L.P. · CIK 0001609557 · Director · 10% owner

TA XI DO Feeder, L.P. · CIK 0001609539 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 242,627

Underlying: Class A Common Stock · 33 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.

F17 · derivative.exercise_price: The Class C Common Stock is convertible at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer and has no expiration date. Upon any transfer of shares of Class C Common Stock, whether or not for value, each such transferred share will automatically convert into one share of Class A Common Stock, except for certain transfers described in the Issuer's amended and restated certificate of incorporation. The shares of Class C Common Stock will convert automatically into Class A Common Stock, on a one-for-one basis, when the aggregate number of outstanding shares of the Company's Class B Common Stock and Class C Common Stock represents less than 5% of the aggregate number of the Company's outstanding shares of Common Stock. The shares of Class C Common Stock have ten votes per share.

F17 · derivative.exercise_date: The Class C Common Stock is convertible at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer and has no expiration date. Upon any transfer of shares of Class C Common Stock, whether or not for value, each such transferred share will automatically convert into one share of Class A Common Stock, except for certain transfers described in the Issuer's amended and restated certificate of incorporation. The shares of Class C Common Stock will convert automatically into Class A Common Stock, on a one-for-one basis, when the aggregate number of outstanding shares of the Company's Class B Common Stock and Class C Common Stock represents less than 5% of the aggregate number of the Company's outstanding shares of Common Stock. The shares of Class C Common Stock have ten votes per share.

F17 · derivative.expiration_date: The Class C Common Stock is convertible at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer and has no expiration date. Upon any transfer of shares of Class C Common Stock, whether or not for value, each such transferred share will automatically convert into one share of Class A Common Stock, except for certain transfers described in the Issuer's amended and restated certificate of incorporation. The shares of Class C Common Stock will convert automatically into Class A Common Stock, on a one-for-one basis, when the aggregate number of outstanding shares of the Company's Class B Common Stock and Class C Common Stock represents less than 5% of the aggregate number of the Company's outstanding shares of Common Stock. The shares of Class C Common Stock have ten votes per share.

F3 · ownership.nature: TA Associates, L.P. is the ultimate general partner of each of XI DO, SDF III Feeder, Atlantic & Pacific VII-B, XI DO AIV, SDF III DO, Atlantic & Pacific VII-A, Investors IV, AP VII-B, SDF III DO AIV II and XI DO AIV II (collectively, the "TA Associates Funds"). Investment and voting control of the TA Associates Funds is held by TA Associates, L.P. Todd R. Crockett and Jason S. Mironov are directors of the Issuer and serve as representatives of TA Associates, L.P. and the TA Associates Funds on the Issuer's board of directors. TA Associates, L.P. disclaims beneficial ownership of such securities, except to the extent of its pecuniary interest in such securities, if any.

F11 · ownership.nature: Securities are held by TA SDF III DO Feeder, L.P. ("SDF III Feeder").