GTM

SEC source: 0001209191-21-048454 · doc4.xml · derivative · entry 25

TA Atlantic & Pacific VII-B L.P. · CIK 0001548682 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 61,067

Underlying: Class A Common Stock · 433 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.

F16 · derivative.exercise_price: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

F16 · derivative.exercise_date: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

F16 · derivative.expiration_date: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

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.

F7 · ownership.nature: Securities are held by TA SDF III DO AIV II, L.P. ("SDF III DO AIV II").

SEC source: 0001209191-21-048454 · doc4.xml · derivative · entry 24

TA Atlantic & Pacific VII-B L.P. · CIK 0001548682 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 1,803,498

Underlying: Class A Common Stock · 13,054 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.

F16 · derivative.exercise_price: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

F16 · derivative.exercise_date: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

F16 · derivative.expiration_date: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

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.

F6 · ownership.nature: Securities are held by TA Investors IV, L.P. ("Investors IV").

SEC source: 0001209191-21-048454 · doc4.xml · derivative · entry 23

TA Atlantic & Pacific VII-B L.P. · CIK 0001548682 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 8,386,284

Underlying: Class A Common Stock · 60,701 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.

F16 · derivative.exercise_price: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

F16 · derivative.exercise_date: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

F16 · derivative.expiration_date: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

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.

F5 · ownership.nature: Securities are held by TA Atlantic & Pacific VII-A, L.P. ("Atlantic & Pacific VII-A").

SEC source: 0001209191-21-048454 · doc4.xml · derivative · entry 22

TA Atlantic & Pacific VII-B L.P. · CIK 0001548682 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 1,253,594

Underlying: Class A Common Stock · 9,074 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.

F16 · derivative.exercise_price: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

F16 · derivative.exercise_date: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

F16 · derivative.expiration_date: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

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.

F4 · ownership.nature: Securities are held by TA SDF III DO AIV, L.P. ("SDF III DO").

SEC source: 0001209191-21-048454 · doc4.xml · derivative · entry 21

TA Atlantic & Pacific VII-B L.P. · CIK 0001548682 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 48,560,103

Underlying: Class A Common Stock · 351,490 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.

F16 · derivative.exercise_price: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

F16 · derivative.exercise_date: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

F16 · derivative.expiration_date: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

F2 · ownership.nature: Securities are held by TA XI DO AIV, L.P. ("XI DO AIV").

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.

SEC source: 0001209191-21-048454 · doc4.xml · nonDerivative · entry 20

TA Atlantic & Pacific VII-B L.P. · CIK 0001548682 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

F14 · kind: The sales reported in this Form 4 were effected pursuant to Rule 10b5-1 trading plans adopted on December 6, 2020.

F15 · price: Reflects a weighted-average sale price. The shares were sold in multiple transactions at prices ranging from $53.85 to $54.76. The Reporting Persons will provide upon request to the Securities and Exchange Commission, the Company or security holder of the Company, full information regarding the number of shares sold at each separate price.

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: 0001209191-21-048454 · doc4.xml · nonDerivative · entry 19

TA Atlantic & Pacific VII-B L.P. · CIK 0001548682 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

F14 · kind: The sales reported in this Form 4 were effected pursuant to Rule 10b5-1 trading plans adopted on December 6, 2020.

F15 · price: Reflects a weighted-average sale price. The shares were sold in multiple transactions at prices ranging from $53.85 to $54.76. The Reporting Persons will provide upon request to the Securities and Exchange Commission, the Company or security holder of the Company, full information regarding the number of shares sold at each separate price.

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: 0001209191-21-048454 · doc4.xml · nonDerivative · entry 18

TA Atlantic & Pacific VII-B L.P. · CIK 0001548682 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

F14 · kind: The sales reported in this Form 4 were effected pursuant to Rule 10b5-1 trading plans adopted on December 6, 2020.

F15 · price: Reflects a weighted-average sale price. The shares were sold in multiple transactions at prices ranging from $53.85 to $54.76. The Reporting Persons will provide upon request to the Securities and Exchange Commission, the Company or security holder of the Company, full information regarding the number of shares sold at each separate price.

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").

SEC source: 0001209191-21-048454 · doc4.xml · nonDerivative · entry 17

TA Atlantic & Pacific VII-B L.P. · CIK 0001548682 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

F14 · kind: The sales reported in this Form 4 were effected pursuant to Rule 10b5-1 trading plans adopted on December 6, 2020.

F15 · price: Reflects a weighted-average sale price. The shares were sold in multiple transactions at prices ranging from $53.85 to $54.76. The Reporting Persons will provide upon request to the Securities and Exchange Commission, the Company or security holder of the Company, full information regarding the number of shares sold at each separate price.

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.

F9 · ownership.nature: Securities are held by TA AP VII-B DO Subsidiary Partnership, L.P. ("AP VII-B").

SEC source: 0001209191-21-048454 · doc4.xml · nonDerivative · entry 16

TA Atlantic & Pacific VII-B L.P. · CIK 0001548682 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

F14 · kind: The sales reported in this Form 4 were effected pursuant to Rule 10b5-1 trading plans adopted on December 6, 2020.

F15 · price: Reflects a weighted-average sale price. The shares were sold in multiple transactions at prices ranging from $53.85 to $54.76. The Reporting Persons will provide upon request to the Securities and Exchange Commission, the Company or security holder of the Company, full information regarding the number of shares sold at each separate price.

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.

F8 · ownership.nature: Securities are held by TA XI DO AIV II, L.P. ("XI DO AIV II").

SEC source: 0001209191-21-048454 · doc4.xml · nonDerivative · entry 15

TA Atlantic & Pacific VII-B L.P. · CIK 0001548682 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

F14 · kind: The sales reported in this Form 4 were effected pursuant to Rule 10b5-1 trading plans adopted on December 6, 2020.

F15 · price: Reflects a weighted-average sale price. The shares were sold in multiple transactions at prices ranging from $53.85 to $54.76. The Reporting Persons will provide upon request to the Securities and Exchange Commission, the Company or security holder of the Company, full information regarding the number of shares sold at each separate price.

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.

F7 · ownership.nature: Securities are held by TA SDF III DO AIV II, L.P. ("SDF III DO AIV II").

SEC source: 0001209191-21-048454 · doc4.xml · nonDerivative · entry 14

TA Atlantic & Pacific VII-B L.P. · CIK 0001548682 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

F14 · kind: The sales reported in this Form 4 were effected pursuant to Rule 10b5-1 trading plans adopted on December 6, 2020.

F15 · price: Reflects a weighted-average sale price. The shares were sold in multiple transactions at prices ranging from $53.85 to $54.76. The Reporting Persons will provide upon request to the Securities and Exchange Commission, the Company or security holder of the Company, full information regarding the number of shares sold at each separate price.

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.

F6 · ownership.nature: Securities are held by TA Investors IV, L.P. ("Investors IV").

SEC source: 0001209191-21-048454 · doc4.xml · nonDerivative · entry 13

TA Atlantic & Pacific VII-B L.P. · CIK 0001548682 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

F14 · kind: The sales reported in this Form 4 were effected pursuant to Rule 10b5-1 trading plans adopted on December 6, 2020.

F15 · price: Reflects a weighted-average sale price. The shares were sold in multiple transactions at prices ranging from $53.85 to $54.76. The Reporting Persons will provide upon request to the Securities and Exchange Commission, the Company or security holder of the Company, full information regarding the number of shares sold at each separate price.

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.

F5 · ownership.nature: Securities are held by TA Atlantic & Pacific VII-A, L.P. ("Atlantic & Pacific VII-A").

SEC source: 0001209191-21-048454 · doc4.xml · nonDerivative · entry 12

TA Atlantic & Pacific VII-B L.P. · CIK 0001548682 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

F14 · kind: The sales reported in this Form 4 were effected pursuant to Rule 10b5-1 trading plans adopted on December 6, 2020.

F15 · price: Reflects a weighted-average sale price. The shares were sold in multiple transactions at prices ranging from $53.85 to $54.76. The Reporting Persons will provide upon request to the Securities and Exchange Commission, the Company or security holder of the Company, full information regarding the number of shares sold at each separate price.

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.

F4 · ownership.nature: Securities are held by TA SDF III DO AIV, L.P. ("SDF III DO").

SEC source: 0001209191-21-048454 · doc4.xml · nonDerivative · entry 11

TA Atlantic & Pacific VII-B L.P. · CIK 0001548682 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

F14 · kind: The sales reported in this Form 4 were effected pursuant to Rule 10b5-1 trading plans adopted on December 6, 2020.

F15 · price: Reflects a weighted-average sale price. The shares were sold in multiple transactions at prices ranging from $53.85 to $54.76. The Reporting Persons will provide upon request to the Securities and Exchange Commission, the Company or security holder of the Company, full information regarding the number of shares sold at each separate price.

F2 · ownership.nature: Securities are held by TA XI DO AIV, L.P. ("XI DO AIV").

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.

SEC source: 0001209191-21-048454 · doc4.xml · nonDerivative · entry 10

TA Atlantic & Pacific VII-B L.P. · CIK 0001548682 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 82,488

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.

F10 · price: Shares of the Issuer's Class C Common Stock were converted on a one-for-one basis for shares of Class A Common Stock of the Issuer.

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: 0001209191-21-048454 · doc4.xml · nonDerivative · entry 9

TA Atlantic & Pacific VII-B L.P. · CIK 0001548682 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 91,943

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.

F10 · price: Shares of the Issuer's Class C Common Stock were converted on a one-for-one basis for shares of Class A Common Stock of the Issuer.

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: 0001209191-21-048454 · doc4.xml · nonDerivative · entry 8

TA Atlantic & Pacific VII-B L.P. · CIK 0001548682 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 1,781

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.

F10 · price: Shares of the Issuer's Class C Common Stock were converted on a one-for-one basis for shares of Class A Common Stock of the Issuer.

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").

SEC source: 0001209191-21-048454 · doc4.xml · nonDerivative · entry 7

TA Atlantic & Pacific VII-B L.P. · CIK 0001548682 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 20,622

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 · price: Units of ZoomInfo Holdings LLC ("Opco"), which represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, were exchanged on a one-for-one basis for shares of Class A Common Stock of the Issuer pursuant to the amended and restated limited liability company agreement of Opco.

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.

F9 · ownership.nature: Securities are held by TA AP VII-B DO Subsidiary Partnership, L.P. ("AP VII-B").

SEC source: 0001209191-21-048454 · doc4.xml · nonDerivative · entry 6

TA Atlantic & Pacific VII-B L.P. · CIK 0001548682 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 22,986

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 · price: Units of ZoomInfo Holdings LLC ("Opco"), which represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, were exchanged on a one-for-one basis for shares of Class A Common Stock of the Issuer pursuant to the amended and restated limited liability company agreement of Opco.

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.

F8 · ownership.nature: Securities are held by TA XI DO AIV II, L.P. ("XI DO AIV II").

SEC source: 0001209191-21-048454 · doc4.xml · nonDerivative · entry 5

TA Atlantic & Pacific VII-B L.P. · CIK 0001548682 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 433

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 · price: Units of ZoomInfo Holdings LLC ("Opco"), which represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, were exchanged on a one-for-one basis for shares of Class A Common Stock of the Issuer pursuant to the amended and restated limited liability company agreement of Opco.

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.

F7 · ownership.nature: Securities are held by TA SDF III DO AIV II, L.P. ("SDF III DO AIV II").

SEC source: 0001209191-21-048454 · doc4.xml · nonDerivative · entry 4

TA Atlantic & Pacific VII-B L.P. · CIK 0001548682 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 13,054

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 · price: Units of ZoomInfo Holdings LLC ("Opco"), which represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, were exchanged on a one-for-one basis for shares of Class A Common Stock of the Issuer pursuant to the amended and restated limited liability company agreement of Opco.

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.

F6 · ownership.nature: Securities are held by TA Investors IV, L.P. ("Investors IV").

SEC source: 0001209191-21-048454 · doc4.xml · nonDerivative · entry 3

TA Atlantic & Pacific VII-B L.P. · CIK 0001548682 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 60,701

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 · price: Units of ZoomInfo Holdings LLC ("Opco"), which represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, were exchanged on a one-for-one basis for shares of Class A Common Stock of the Issuer pursuant to the amended and restated limited liability company agreement of Opco.

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.

F5 · ownership.nature: Securities are held by TA Atlantic & Pacific VII-A, L.P. ("Atlantic & Pacific VII-A").

SEC source: 0001209191-21-048454 · doc4.xml · nonDerivative · entry 2

TA Atlantic & Pacific VII-B L.P. · CIK 0001548682 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 9,074

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 · price: Units of ZoomInfo Holdings LLC ("Opco"), which represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, were exchanged on a one-for-one basis for shares of Class A Common Stock of the Issuer pursuant to the amended and restated limited liability company agreement of Opco.

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.

F4 · ownership.nature: Securities are held by TA SDF III DO AIV, L.P. ("SDF III DO").

SEC source: 0001209191-21-048454 · doc4.xml · nonDerivative · entry 1

TA Atlantic & Pacific VII-B L.P. · CIK 0001548682 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 351,490

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 · price: Units of ZoomInfo Holdings LLC ("Opco"), which represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, were exchanged on a one-for-one basis for shares of Class A Common Stock of the Issuer pursuant to the amended and restated limited liability company agreement of Opco.

F2 · ownership.nature: Securities are held by TA XI DO AIV, L.P. ("XI DO AIV").

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.

SEC source: 0000899243-21-029912 · 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: 49,970,762

Underlying: Class A Common Stock · 105,758 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) 12,268,420 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: 0000899243-21-029912 · 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 $53.73 to $54.15. 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) 12,268,420 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: 0000899243-21-029912 · 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: 72,732

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 $52.73 to $53.725. 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) 12,268,420 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: 0000899243-21-029912 · 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: 105,758

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) 12,268,420 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: 0000899243-21-029907 · 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: 49,970,762

Underlying: Class A Common Stock · 105,758 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) 12,268,420 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: 0000899243-21-029907 · 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 $53.73 to $54.15. 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) 12,268,420 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: 0000899243-21-029907 · 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: 72,732

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 $52.73 to $53.725. 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) 12,268,420 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: 0000899243-21-029907 · 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: 105,758

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) 12,268,420 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: 0001209191-21-048341 · 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: 11,478,615

Underlying: Class A Common Stock · 16,466 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: 0001209191-21-048341 · 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: 12,794,237

Underlying: Class A Common Stock · 18,353 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: 0001209191-21-048341 · 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: 241,466

Underlying: Class A Common Stock · 356 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").

SEC source: 0001209191-21-048341 · doc4.xml · derivative · entry 27

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: 2,927,533

Underlying: Class A Common Stock · 4,117 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.

F16 · derivative.exercise_price: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

F16 · derivative.exercise_date: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

F16 · derivative.expiration_date: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

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.

F9 · ownership.nature: Securities are held by TA AP VII-B DO Subsidiary Partnership, L.P. ("AP VII-B").

SEC source: 0001209191-21-048341 · doc4.xml · derivative · entry 26

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: 3,260,894

Underlying: Class A Common Stock · 4,588 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.

F16 · derivative.exercise_price: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

F16 · derivative.exercise_date: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

F16 · derivative.expiration_date: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

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.

F8 · ownership.nature: Securities are held by TA XI DO AIV II, L.P. ("XI DO AIV II").

SEC source: 0001209191-21-048341 · doc4.xml · derivative · entry 25

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: 61,500

Underlying: Class A Common Stock · 87 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.

F16 · derivative.exercise_price: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

F16 · derivative.exercise_date: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

F16 · derivative.expiration_date: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

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.

F7 · ownership.nature: Securities are held by TA SDF III DO AIV II, L.P. ("SDF III DO AIV II").

SEC source: 0001209191-21-048341 · doc4.xml · derivative · entry 24

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: 1,816,552

Underlying: Class A Common Stock · 2,606 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.

F16 · derivative.exercise_price: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

F16 · derivative.exercise_date: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

F16 · derivative.expiration_date: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

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.

F6 · ownership.nature: Securities are held by TA Investors IV, L.P. ("Investors IV").

SEC source: 0001209191-21-048341 · doc4.xml · derivative · entry 23

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: 8,446,985

Underlying: Class A Common Stock · 12,117 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.

F16 · derivative.exercise_price: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

F16 · derivative.exercise_date: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

F16 · derivative.expiration_date: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

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.

F5 · ownership.nature: Securities are held by TA Atlantic & Pacific VII-A, L.P. ("Atlantic & Pacific VII-A").

SEC source: 0001209191-21-048341 · doc4.xml · derivative · entry 22

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: 1,262,668

Underlying: Class A Common Stock · 1,812 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.

F16 · derivative.exercise_price: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

F16 · derivative.exercise_date: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

F16 · derivative.expiration_date: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

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.

F4 · ownership.nature: Securities are held by TA SDF III DO AIV, L.P. ("SDF III DO").

SEC source: 0001209191-21-048341 · doc4.xml · derivative · entry 21

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: 48,911,593

Underlying: Class A Common Stock · 70,160 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.

F16 · derivative.exercise_price: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

F16 · derivative.exercise_date: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

F16 · derivative.expiration_date: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

F2 · ownership.nature: Securities are held by TA XI DO AIV, L.P. ("XI DO AIV").

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.

SEC source: 0001209191-21-048341 · doc4.xml · nonDerivative · entry 20

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: 0

F14 · kind: The sales reported in this Form 4 were effected pursuant to Rule 10b5-1 trading plans adopted on December 6, 2020.

F15 · price: Reflects a weighted-average sale price. The shares were sold in multiple transactions at prices ranging from $53.85 to $54.19. The Reporting Persons will provide upon request to the Securities and Exchange Commission, the Company or security holder of the Company, full information regarding the number of shares sold at each separate price.

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: 0001209191-21-048341 · doc4.xml · nonDerivative · entry 19

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: 0

F14 · kind: The sales reported in this Form 4 were effected pursuant to Rule 10b5-1 trading plans adopted on December 6, 2020.

F15 · price: Reflects a weighted-average sale price. The shares were sold in multiple transactions at prices ranging from $53.85 to $54.19. The Reporting Persons will provide upon request to the Securities and Exchange Commission, the Company or security holder of the Company, full information regarding the number of shares sold at each separate price.

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: 0001209191-21-048341 · doc4.xml · nonDerivative · entry 18

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: 0

F14 · kind: The sales reported in this Form 4 were effected pursuant to Rule 10b5-1 trading plans adopted on December 6, 2020.

F15 · price: Reflects a weighted-average sale price. The shares were sold in multiple transactions at prices ranging from $53.85 to $54.19. The Reporting Persons will provide upon request to the Securities and Exchange Commission, the Company or security holder of the Company, full information regarding the number of shares sold at each separate price.

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").

SEC source: 0001209191-21-048341 · doc4.xml · nonDerivative · entry 17

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: 0

F14 · kind: The sales reported in this Form 4 were effected pursuant to Rule 10b5-1 trading plans adopted on December 6, 2020.

F15 · price: Reflects a weighted-average sale price. The shares were sold in multiple transactions at prices ranging from $53.85 to $54.19. The Reporting Persons will provide upon request to the Securities and Exchange Commission, the Company or security holder of the Company, full information regarding the number of shares sold at each separate price.

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.

F9 · ownership.nature: Securities are held by TA AP VII-B DO Subsidiary Partnership, L.P. ("AP VII-B").

SEC source: 0001209191-21-048341 · doc4.xml · nonDerivative · entry 16

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: 0

F14 · kind: The sales reported in this Form 4 were effected pursuant to Rule 10b5-1 trading plans adopted on December 6, 2020.

F15 · price: Reflects a weighted-average sale price. The shares were sold in multiple transactions at prices ranging from $53.85 to $54.19. The Reporting Persons will provide upon request to the Securities and Exchange Commission, the Company or security holder of the Company, full information regarding the number of shares sold at each separate price.

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.

F8 · ownership.nature: Securities are held by TA XI DO AIV II, L.P. ("XI DO AIV II").

SEC source: 0001209191-21-048341 · doc4.xml · nonDerivative · entry 15

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: 0

F14 · kind: The sales reported in this Form 4 were effected pursuant to Rule 10b5-1 trading plans adopted on December 6, 2020.

F15 · price: Reflects a weighted-average sale price. The shares were sold in multiple transactions at prices ranging from $53.85 to $54.19. The Reporting Persons will provide upon request to the Securities and Exchange Commission, the Company or security holder of the Company, full information regarding the number of shares sold at each separate price.

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.

F7 · ownership.nature: Securities are held by TA SDF III DO AIV II, L.P. ("SDF III DO AIV II").

SEC source: 0001209191-21-048341 · doc4.xml · nonDerivative · entry 14

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: 0

F14 · kind: The sales reported in this Form 4 were effected pursuant to Rule 10b5-1 trading plans adopted on December 6, 2020.

F15 · price: Reflects a weighted-average sale price. The shares were sold in multiple transactions at prices ranging from $53.85 to $54.19. The Reporting Persons will provide upon request to the Securities and Exchange Commission, the Company or security holder of the Company, full information regarding the number of shares sold at each separate price.

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.

F6 · ownership.nature: Securities are held by TA Investors IV, L.P. ("Investors IV").