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Pursuant to the terms of the Exchange Agreement, dated June 29, 2021, by and among the Issuer, Alclear Holdings, LLC ("Alclear") and the equityholders of Alclear (the "Exchange Agreement"), nonvoting common units of Alclear ("Common Units"), together with a corresponding number of shares of Class C common stock of the Issuer ("Class C Common Stock"), were exchanged for shares of Class A common stock of the Issuer ("Class A Common Stock") on a one-for-one basis. The exchange rights under the Exchange Agreement do not expire. The resulting shares of Class A Common Stock were used to settle the sale transaction described above.

Shares of Class C Common Stock have one vote per share but no economic rights (including rights to dividends and distributions upon liquidation) and are issued in an equal amount to the number of Common Units held.

Alclear Investments, LLC is controlled by Ms. Seidman Becker, its sole manager, who has dispositive control and voting control over the shares held by Alclear Investments, LLC.

Pursuant to the terms of the Exchange Agreement, dated June 29, 2021, by and among the Issuer, Alclear Holdings, LLC ("Alclear") and the equityholders of Alclear (the "Exchange Agreement"), nonvoting common units of Alclear ("Common Units"), together with a corresponding number of shares of Class C common stock of the Issuer ("Class C Common Stock"), were exchanged for shares of Class A common stock of the Issuer ("Class A Common Stock") on a one-for-one basis. The exchange rights under the Exchange Agreement do not expire. The resulting shares of Class A Common Stock were used to settle the sale transaction described above.

Pursuant to the terms of the Exchange Agreement, dated June 29, 2021, by and among the Issuer, Alclear Holdings, LLC ("Alclear") and the equityholders of Alclear (the "Exchange Agreement"), nonvoting common units of Alclear ("Common Units"), together with a corresponding number of shares of Class C common stock of the Issuer ("Class C Common Stock"), were exchanged for shares of Class A common stock of the Issuer ("Class A Common Stock") on a one-for-one basis. The exchange rights under the Exchange Agreement do not expire. The resulting shares of Class A Common Stock were used to settle the sale transaction described above.

Pursuant to the terms of the Exchange Agreement, dated June 29, 2021, by and among the Issuer, Alclear Holdings, LLC ("Alclear") and the equityholders of Alclear (the "Exchange Agreement"), nonvoting common units of Alclear ("Common Units"), together with a corresponding number of shares of Class C common stock of the Issuer ("Class C Common Stock"), were exchanged for shares of Class A common stock of the Issuer ("Class A Common Stock") on a one-for-one basis. The exchange rights under the Exchange Agreement do not expire. The resulting shares of Class A Common Stock were used to settle the sale transaction described above.

Shares of Class C Common Stock have one vote per share but no economic rights (including rights to dividends and distributions upon liquidation) and are issued in an equal amount to the number of Common Units held.

Pursuant to the terms of the Exchange Agreement, dated June 29, 2021, by and among the Issuer, Alclear Holdings, LLC ("Alclear") and the equityholders of Alclear (the "Exchange Agreement"), nonvoting common units of Alclear ("Common Units"), together with a corresponding number of shares of Class C common stock of the Issuer ("Class C Common Stock"), were exchanged for shares of Class A common stock of the Issuer ("Class A Common Stock") on a one-for-one basis. The exchange rights under the Exchange Agreement do not expire. The resulting shares of Class A Common Stock were used to settle the sale transaction described above.

Alclear Investments, LLC is controlled by Ms. Seidman Becker, its sole manager, who has dispositive control and voting control over the shares held by Alclear Investments, LLC.

Pursuant to the terms of the Exchange Agreement, dated June 29, 2021, by and among the Issuer, Alclear Holdings, LLC ("Alclear") and the equityholders of Alclear (the "Exchange Agreement"), nonvoting common units of Alclear ("Common Units"), together with a corresponding number of shares of Class C common stock of the Issuer ("Class C Common Stock"), were exchanged for shares of Class A common stock of the Issuer ("Class A Common Stock") on a one-for-one basis. The exchange rights under the Exchange Agreement do not expire. The resulting shares of Class A Common Stock were used to settle the sale transaction described above.

Alclear Investments, LLC is controlled by Ms. Seidman Becker, its sole manager, who has dispositive control and voting control over the shares held by Alclear Investments, LLC.

Pursuant to the terms of the Exchange Agreement, dated June 29, 2021, by and among the Issuer, Alclear Holdings, LLC ("Alclear") and the equityholders of Alclear (the "Exchange Agreement"), nonvoting common units of Alclear ("Common Units"), together with a corresponding number of shares of Class C common stock of the Issuer ("Class C Common Stock"), were exchanged for shares of Class A common stock of the Issuer ("Class A Common Stock") on a one-for-one basis. The exchange rights under the Exchange Agreement do not expire. The resulting shares of Class A Common Stock were used to settle the sale transaction described above.

Pursuant to the terms of the Exchange Agreement, dated June 29, 2021, by and among the Issuer, Alclear Holdings, LLC ("Alclear") and the equityholders of Alclear (the "Exchange Agreement"), nonvoting common units of Alclear ("Common Units"), together with a corresponding number of shares of Class C common stock of the Issuer ("Class C Common Stock"), were exchanged for shares of Class A common stock of the Issuer ("Class A Common Stock") on a one-for-one basis. The exchange rights under the Exchange Agreement do not expire. The resulting shares of Class A Common Stock were used to settle the sale transaction described above.

Pursuant to the terms of the Exchange Agreement, dated June 29, 2021, by and among the Issuer, Alclear Holdings, LLC ("Alclear") and the equityholders of Alclear (the "Exchange Agreement"), nonvoting common units of Alclear ("Common Units"), together with a corresponding number of shares of Class C common stock of the Issuer ("Class C Common Stock"), were exchanged for shares of Class A common stock of the Issuer ("Class A Common Stock") on a one-for-one basis. The exchange rights under the Exchange Agreement do not expire. The resulting shares of Class A Common Stock were used to settle the sale transaction described above.

Shares of Class C Common Stock have one vote per share but no economic rights (including rights to dividends and distributions upon liquidation) and are issued in an equal amount to the number of Common Units held.

Pursuant to the terms of the Exchange Agreement, dated June 29, 2021, by and among the Issuer, Alclear Holdings, LLC ("Alclear") and the equityholders of Alclear (the "Exchange Agreement"), nonvoting common units of Alclear ("Common Units"), together with a corresponding number of shares of Class C common stock of the Issuer ("Class C Common Stock"), were exchanged for shares of Class A common stock of the Issuer ("Class A Common Stock") on a one-for-one basis. The exchange rights under the Exchange Agreement do not expire. The resulting shares of Class A Common Stock were used to settle the sale transaction described above.

Alclear Investments, LLC is controlled by Ms. Seidman Becker, its sole manager, who has dispositive control and voting control over the shares held by Alclear Investments, LLC.

Pursuant to the terms of the Exchange Agreement, dated June 29, 2021, by and among the Issuer, Alclear Holdings, LLC ("Alclear") and the equityholders of Alclear (the "Exchange Agreement"), nonvoting common units of Alclear ("Common Units"), together with a corresponding number of shares of Class C common stock of the Issuer ("Class C Common Stock"), were exchanged for shares of Class A common stock of the Issuer ("Class A Common Stock") on a one-for-one basis. The exchange rights under the Exchange Agreement do not expire. The resulting shares of Class A Common Stock were used to settle the sale transaction described above.

Alclear Investments, LLC is controlled by Ms. Seidman Becker, its sole manager, who has dispositive control and voting control over the shares held by Alclear Investments, LLC.

Pursuant to the terms of the Exchange Agreement, dated June 29, 2021, by and among the Issuer, Alclear Holdings, LLC ("Alclear") and the equityholders of Alclear (the "Exchange Agreement"), nonvoting common units of Alclear ("Common Units"), together with a corresponding number of shares of Class C common stock of the Issuer ("Class C Common Stock"), were exchanged for shares of Class A common stock of the Issuer ("Class A Common Stock") on a one-for-one basis. The exchange rights under the Exchange Agreement do not expire. The resulting shares of Class A Common Stock were used to settle the sale transaction described above.

Shares of Class C Common Stock have one vote per share but no economic rights (including rights to dividends and distributions upon liquidation) and are issued in an equal amount to the number of Common Units held.

Alclear Investments, LLC is controlled by Ms. Seidman Becker, its sole manager, who has dispositive control and voting control over the shares held by Alclear Investments, LLC.

These transactions were automatically effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on March 12, 2026.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $54.00 to $54.14, inclusive.

Pursuant to the terms of the Exchange Agreement, dated June 29, 2021, by and among the Issuer, Alclear Holdings, LLC ("Alclear") and the equityholders of Alclear (the "Exchange Agreement"), nonvoting common units of Alclear ("Common Units"), together with a corresponding number of shares of Class C common stock of the Issuer ("Class C Common Stock"), were exchanged for shares of Class A common stock of the Issuer ("Class A Common Stock") on a one-for-one basis. The exchange rights under the Exchange Agreement do not expire. The resulting shares of Class A Common Stock were used to settle the sale transaction described above.

These transactions were automatically effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on March 12, 2026.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $53.00 to $53.98, inclusive. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, and 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 and in footnote 5.

Pursuant to the terms of the Exchange Agreement, dated June 29, 2021, by and among the Issuer, Alclear Holdings, LLC ("Alclear") and the equityholders of Alclear (the "Exchange Agreement"), nonvoting common units of Alclear ("Common Units"), together with a corresponding number of shares of Class C common stock of the Issuer ("Class C Common Stock"), were exchanged for shares of Class A common stock of the Issuer ("Class A Common Stock") on a one-for-one basis. The exchange rights under the Exchange Agreement do not expire. The resulting shares of Class A Common Stock were used to settle the sale transaction described above.

Alclear Investments, LLC is controlled by Ms. Seidman Becker, its sole manager, who has dispositive control and voting control over the shares held by Alclear Investments, LLC.

These transactions were automatically effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on March 12, 2026.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $54.00 to $54.14, inclusive.

Pursuant to the terms of the Exchange Agreement, dated June 29, 2021, by and among the Issuer, Alclear Holdings, LLC ("Alclear") and the equityholders of Alclear (the "Exchange Agreement"), nonvoting common units of Alclear ("Common Units"), together with a corresponding number of shares of Class C common stock of the Issuer ("Class C Common Stock"), were exchanged for shares of Class A common stock of the Issuer ("Class A Common Stock") on a one-for-one basis. The exchange rights under the Exchange Agreement do not expire. The resulting shares of Class A Common Stock were used to settle the sale transaction described above.

Alclear Investments, LLC is controlled by Ms. Seidman Becker, its sole manager, who has dispositive control and voting control over the shares held by Alclear Investments, LLC.

These transactions were automatically effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on March 12, 2026.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $53.00 to $53.98, inclusive. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, and 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 and footnote 4.

Pursuant to the terms of the Exchange Agreement, dated June 29, 2021, by and among the Issuer, Alclear Holdings, LLC ("Alclear") and the equityholders of Alclear (the "Exchange Agreement"), nonvoting common units of Alclear ("Common Units"), together with a corresponding number of shares of Class C common stock of the Issuer ("Class C Common Stock"), were exchanged for shares of Class A common stock of the Issuer ("Class A Common Stock") on a one-for-one basis. The exchange rights under the Exchange Agreement do not expire. The resulting shares of Class A Common Stock were used to settle the sale transaction described above.

Pursuant to the terms of the Exchange Agreement, dated June 29, 2021, by and among the Issuer, Alclear Holdings, LLC ("Alclear") and the equityholders of Alclear (the "Exchange Agreement"), nonvoting common units of Alclear ("Common Units"), together with a corresponding number of shares of Class C common stock of the Issuer ("Class C Common Stock"), were exchanged for shares of Class A common stock of the Issuer ("Class A Common Stock") on a one-for-one basis. The exchange rights under the Exchange Agreement do not expire. The resulting shares of Class A Common Stock were used to settle the sale transaction described above.

These transactions were automatically effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on March 12, 2026.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $53.00 to $53.85, inclusive. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, and 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 herein.

Pursuant to the terms of the Exchange Agreement, dated June 29, 2021, by and among the Issuer, Alclear Holdings, LLC ("Alclear") and the equityholders of Alclear (the "Exchange Agreement"), nonvoting common units of Alclear ("Common Units"), together with a corresponding number of shares of Class C common stock of the Issuer ("Class C Common Stock"), were exchanged for shares of Class A common stock of the Issuer ("Class A Common Stock") on a one-for-one basis. The exchange rights under the Exchange Agreement do not expire. The resulting shares of Class A Common Stock were used to settle the sale transaction described above.

Alclear Investments, LLC is controlled by Ms. Seidman Becker, its sole manager, who has dispositive control and voting control over the shares held by Alclear Investments, LLC.

Pursuant to the terms of the Exchange Agreement, dated June 29, 2021, by and among the Issuer, Alclear Holdings, LLC ("Alclear") and the equityholders of Alclear (the "Exchange Agreement"), nonvoting common units of Alclear ("Common Units"), together with a corresponding number of shares of Class C common stock of the Issuer ("Class C Common Stock"), were exchanged for shares of Class A common stock of the Issuer ("Class A Common Stock") on a one-for-one basis. The exchange rights under the Exchange Agreement do not expire. The resulting shares of Class A Common Stock were used to settle the sale transaction described above.

Shares of Class C Common Stock have one vote per share but no economic rights (including rights to dividends and distributions upon liquidation) and are issued in an equal amount to the number of Common Units held.

Pursuant to the terms of the Exchange Agreement, dated June 29, 2021, by and among the Issuer, Alclear Holdings, LLC ("Alclear") and the equityholders of Alclear (the "Exchange Agreement"), nonvoting common units of Alclear ("Common Units"), together with a corresponding number of shares of Class C common stock of the Issuer ("Class C Common Stock"), were exchanged for shares of Class A common stock of the Issuer ("Class A Common Stock") on a one-for-one basis. The exchange rights under the Exchange Agreement do not expire. The resulting shares of Class A Common Stock were used to settle the sale transaction described above.

Shares of Class C Common Stock have one vote per share but no economic rights (including rights to dividends and distributions upon liquidation) and are issued in an equal amount to the number of Common Units held.

Alclear Investments, LLC is controlled by Ms. Seidman Becker, its sole manager, who has dispositive control and voting control over the shares held by Alclear Investments, LLC.

Pursuant to the terms of the Exchange Agreement, dated June 29, 2021, by and among the Issuer, Alclear Holdings, LLC ("Alclear") and the equityholders of Alclear (the "Exchange Agreement"), nonvoting common units of Alclear ("Common Units"), together with a corresponding number of shares of Class C common stock of the Issuer ("Class C Common Stock"), were exchanged for shares of Class A common stock of the Issuer ("Class A Common Stock") on a one-for-one basis. The exchange rights under the Exchange Agreement do not expire. The resulting shares of Class A Common Stock were used to settle the sale transaction described above.

Alclear Investments, LLC is controlled by Ms. Seidman Becker, its sole manager, who has dispositive control and voting control over the shares held by Alclear Investments, LLC.

These transactions were automatically effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on March 12, 2026.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $53.00 to $53.85, inclusive. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, and 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 herein.

Pursuant to the terms of the Exchange Agreement, dated June 29, 2021, by and among the Issuer, Alclear Holdings, LLC ("Alclear") and the equityholders of Alclear (the "Exchange Agreement"), nonvoting common units of Alclear ("Common Units"), together with a corresponding number of shares of Class C common stock of the Issuer ("Class C Common Stock"), were exchanged for shares of Class A common stock of the Issuer ("Class A Common Stock") on a one-for-one basis. The exchange rights under the Exchange Agreement do not expire. The resulting shares of Class A Common Stock were used to settle the sale transaction described above.

Pursuant to the terms of the Exchange Agreement, dated June 29, 2021, by and among the Issuer, Alclear Holdings, LLC ("Alclear") and the equityholders of Alclear (the "Exchange Agreement"), nonvoting common units of Alclear ("Common Units"), together with a corresponding number of shares of Class C common stock of the Issuer ("Class C Common Stock"), were exchanged for shares of Class A common stock of the Issuer ("Class A Common Stock") on a one-for-one basis. The exchange rights under the Exchange Agreement do not expire. The resulting shares of Class A Common Stock were used to settle the sale transaction described above.

Alclear Investments, LLC is controlled by Ms. Seidman Becker, its sole manager, who has dispositive control and voting control over the shares held by Alclear Investments, LLC.

Pursuant to the terms of the Exchange Agreement, dated June 29, 2021, by and among the Issuer, Alclear Holdings, LLC ("Alclear") and the equityholders of Alclear (the "Exchange Agreement"), nonvoting common units of Alclear ("Common Units"), together with a corresponding number of shares of Class C common stock of the Issuer ("Class C Common Stock"), were exchanged for shares of Class A common stock of the Issuer ("Class A Common Stock") on a one-for-one basis. The exchange rights under the Exchange Agreement do not expire. The resulting shares of Class A Common Stock were used to settle the sale transaction described above.

These transactions were automatically effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on March 12, 2026.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $55.05 to $55.19, inclusive.

Pursuant to the terms of the Exchange Agreement, dated June 29, 2021, by and among the Issuer, Alclear Holdings, LLC ("Alclear") and the equityholders of Alclear (the "Exchange Agreement"), nonvoting common units of Alclear ("Common Units"), together with a corresponding number of shares of Class C common stock of the Issuer ("Class C Common Stock"), were exchanged for shares of Class A common stock of the Issuer ("Class A Common Stock") on a one-for-one basis. The exchange rights under the Exchange Agreement do not expire. The resulting shares of Class A Common Stock were used to settle the sale transaction described above.

Alclear Investments, LLC is controlled by Ms. Seidman Becker, its sole manager, who has dispositive control and voting control over the shares held by Alclear Investments, LLC.

These transactions were automatically effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on March 12, 2026.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $54.01 to $54.94, inclusive.

Pursuant to the terms of the Exchange Agreement, dated June 29, 2021, by and among the Issuer, Alclear Holdings, LLC ("Alclear") and the equityholders of Alclear (the "Exchange Agreement"), nonvoting common units of Alclear ("Common Units"), together with a corresponding number of shares of Class C common stock of the Issuer ("Class C Common Stock"), were exchanged for shares of Class A common stock of the Issuer ("Class A Common Stock") on a one-for-one basis. The exchange rights under the Exchange Agreement do not expire. The resulting shares of Class A Common Stock were used to settle the sale transaction described above.

Alclear Investments, LLC is controlled by Ms. Seidman Becker, its sole manager, who has dispositive control and voting control over the shares held by Alclear Investments, LLC.

These transactions were automatically effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on March 12, 2026.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $53.00 to $53.98, inclusive. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, and 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 and in footnotes 5 and 6.

Pursuant to the terms of the Exchange Agreement, dated June 29, 2021, by and among the Issuer, Alclear Holdings, LLC ("Alclear") and the equityholders of Alclear (the "Exchange Agreement"), nonvoting common units of Alclear ("Common Units"), together with a corresponding number of shares of Class C common stock of the Issuer ("Class C Common Stock"), were exchanged for shares of Class A common stock of the Issuer ("Class A Common Stock") on a one-for-one basis. The exchange rights under the Exchange Agreement do not expire. The resulting shares of Class A Common Stock were used to settle the sale transaction described above.

Alclear Investments, LLC is controlled by Ms. Seidman Becker, its sole manager, who has dispositive control and voting control over the shares held by Alclear Investments, LLC.

These transactions were automatically effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on March 12, 2026.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $54.01 to $54.94, inclusive.

Pursuant to the terms of the Exchange Agreement, dated June 29, 2021, by and among the Issuer, Alclear Holdings, LLC ("Alclear") and the equityholders of Alclear (the "Exchange Agreement"), nonvoting common units of Alclear ("Common Units"), together with a corresponding number of shares of Class C common stock of the Issuer ("Class C Common Stock"), were exchanged for shares of Class A common stock of the Issuer ("Class A Common Stock") on a one-for-one basis. The exchange rights under the Exchange Agreement do not expire. The resulting shares of Class A Common Stock were used to settle the sale transaction described above.

These transactions were automatically effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on March 12, 2026.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $55.05 to $55.19, inclusive.

Pursuant to the terms of the Exchange Agreement, dated June 29, 2021, by and among the Issuer, Alclear Holdings, LLC ("Alclear") and the equityholders of Alclear (the "Exchange Agreement"), nonvoting common units of Alclear ("Common Units"), together with a corresponding number of shares of Class C common stock of the Issuer ("Class C Common Stock"), were exchanged for shares of Class A common stock of the Issuer ("Class A Common Stock") on a one-for-one basis. The exchange rights under the Exchange Agreement do not expire. The resulting shares of Class A Common Stock were used to settle the sale transaction described above.

These transactions were automatically effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on March 12, 2026.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $53.00 to $53.98, inclusive. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, and 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 and in footnotes 4 and 5.

Pursuant to the terms of the Exchange Agreement, dated June 29, 2021, by and among the Issuer, Alclear Holdings, LLC ("Alclear") and the equityholders of Alclear (the "Exchange Agreement"), nonvoting common units of Alclear ("Common Units"), together with a corresponding number of shares of Class C common stock of the Issuer ("Class C Common Stock"), were exchanged for shares of Class A common stock of the Issuer ("Class A Common Stock") on a one-for-one basis. The exchange rights under the Exchange Agreement do not expire. The resulting shares of Class A Common Stock were used to settle the sale transaction described above.

This Form 4 is being filed to report the vesting of a portion of performance restricted stock units ("PSUs") awarded in connection with the Issuer's initial public offering in 2021, each of which represents a contingent right to receive a share of Class A Common Stock following the vesting date. The PSUs were eligible for vesting based on the Issuer's stock price achieving specified share targets over a five-year period of time following the closing of the Issuer's initial public offering in July 2021. The remaining PSUs for which the performance goals were not met within such period were forfeited and so, after the vesting of the portion of the award reported in this Form 4, there are no remaining PSUs.

Alclear Investments, LLC is controlled by Ms. Seidman Becker, its sole manager, who has dispositive control and voting control over the shares held by Alclear Investments, LLC.

Pursuant to the terms of the Issuer's Certificate of Incorporation ("COI"), each share of Class B common stock of the Issuer ("Class B Common Stock") will automatically convert into a share of Class A common stock of the Issuer ("Class A Common Stock") on a one-for-one basis, and each share of Class D common stock of the Issuer ("Class D Common Stock") will automatically convert into a share of Class C common stock of the Issuer ("Class C Common Stock") on a one-for-one basis (i) at the option of the holder, (ii) immediately prior to any sale or other transfer of such share to a person or entity that is not a member of the reporting person's permitted ownership group as described in the Issuer's COI, (iii) upon the 5th anniversary of the consummation of the Issuer's initial public offering ("IPO"), (iv) with respect to any shares of Class B Common Stock or Class D Common Stock held by the reporting person or any other person in the reporting person's permitted ownership (cont. in FN2)

(cont. from F1) group, (a) such time as the reporting person is removed as a director from the board of directors of the Issuer with such reporting person's consent, (b) upon the violation of any material non-compete or non-solicitation covenants by the reporting person set forth in any written agreement entered into by the Issuer and the reporting person on or after the filing and effectiveness of the Issuer's COI, which violation is finally determined by a court of competent jurisdiction or (c) upon the death or disability (as defined in the Issuer's COI) of the reporting person or (v) if the reporting person and its permitted transferees cease to hold or control, in the aggregate, at least 25% of the aggregate shares of the Class B Common Stock and Class D Common Stock held by or subject to the voting control of such reporting person and its permitted transferees as of the consummation of the Issuer's IPO. July 2, 2026 was the 5th anniversary of the Issuer's IPO.

Pursuant to the terms of the Issuer's Certificate of Incorporation ("COI"), each share of Class B common stock of the Issuer ("Class B Common Stock") will automatically convert into a share of Class A common stock of the Issuer ("Class A Common Stock") on a one-for-one basis, and each share of Class D common stock of the Issuer ("Class D Common Stock") will automatically convert into a share of Class C common stock of the Issuer ("Class C Common Stock") on a one-for-one basis (i) at the option of the holder, (ii) immediately prior to any sale or other transfer of such share to a person or entity that is not a member of the reporting person's permitted ownership group as described in the Issuer's COI, (iii) upon the 5th anniversary of the consummation of the Issuer's initial public offering ("IPO"), (iv) with respect to any shares of Class B Common Stock or Class D Common Stock held by the reporting person or any other person in the reporting person's permitted ownership (cont. in FN2)

(cont. from FN1) group, (a) such time as the reporting person is removed as a director from the board of directors of the Issuer with such reporting person's consent, (b) upon the violation of any material non-compete or non-solicitation covenants by the reporting person set forth in any written agreement entered into by the Issuer and the reporting person on or after the filing and effectiveness of the Issuer's COI, which violation is finally determined by a court of competent jurisdiction or (c) upon the death or disability (as defined in the Issuer's COI) of the reporting person or (v) if the reporting person and its permitted transferees cease to hold or control, in the aggregate, at least 25% of the aggregate shares of the Class B Common Stock and Class D Common Stock held by or subject to the voting control of such reporting person and its permitted transferees as of the consummation of the Issuer's IPO. July 2, 2026 was the 5th anniversary of the Issuer's IPO.

Shares of Class D Common Stock have 20 votes per share but no economic rights (including rights to dividends and distributions upon liquidation) and are issued in an equal amount to the number of non-voting common interest units ("Common Units") of Alclear Holdings, LLC ("Alclear") held.

Alclear Investments, LLC is controlled by Ms. Seidman Becker, its sole manager, who has dispositive control and voting control over the shares held by Alclear Investments, LLC.

Pursuant to the terms of the Issuer's Certificate of Incorporation ("COI"), each share of Class B common stock of the Issuer ("Class B Common Stock") will automatically convert into a share of Class A common stock of the Issuer ("Class A Common Stock") on a one-for-one basis, and each share of Class D common stock of the Issuer ("Class D Common Stock") will automatically convert into a share of Class C common stock of the Issuer ("Class C Common Stock") on a one-for-one basis (i) at the option of the holder, (ii) immediately prior to any sale or other transfer of such share to a person or entity that is not a member of the reporting person's permitted ownership group as described in the Issuer's COI, (iii) upon the 5th anniversary of the consummation of the Issuer's initial public offering ("IPO"), (iv) with respect to any shares of Class B Common Stock or Class D Common Stock held by the reporting person or any other person in the reporting person's permitted ownership (cont. in FN2)

(cont. from FN1) group, (a) such time as the reporting person is removed as a director from the board of directors of the Issuer with such reporting person's consent, (b) upon the violation of any material non-compete or non-solicitation covenants by the reporting person set forth in any written agreement entered into by the Issuer and the reporting person on or after the filing and effectiveness of the Issuer's COI, which violation is finally determined by a court of competent jurisdiction or (c) upon the death or disability (as defined in the Issuer's COI) of the reporting person or (v) if the reporting person and its permitted transferees cease to hold or control, in the aggregate, at least 25% of the aggregate shares of the Class B Common Stock and Class D Common Stock held by or subject to the voting control of such reporting person and its permitted transferees as of the consummation of the Issuer's IPO. July 2, 2026 was the 5th anniversary of the Issuer's IPO.

Shares of Class B Common Stock have 20 votes per share and economic rights (including rights to dividends and distributions upon liquidation).

Alclear Investments, LLC is controlled by Ms. Seidman Becker, its sole manager, who has dispositive control and voting control over the shares held by Alclear Investments, LLC.

Pursuant to the terms of the Issuer's Certificate of Incorporation ("COI"), each share of Class B common stock of the Issuer ("Class B Common Stock") will automatically convert into a share of Class A common stock of the Issuer ("Class A Common Stock") on a one-for-one basis, and each share of Class D common stock of the Issuer ("Class D Common Stock") will automatically convert into a share of Class C common stock of the Issuer ("Class C Common Stock") on a one-for-one basis (i) at the option of the holder, (ii) immediately prior to any sale or other transfer of such share to a person or entity that is not a member of the reporting person's permitted ownership group as described in the Issuer's COI, (iii) upon the 5th anniversary of the consummation of the Issuer's initial public offering ("IPO"), (iv) with respect to any shares of Class B Common Stock or Class D Common Stock held by the reporting person or any other person in the reporting person's permitted ownership (cont. in FN2)

(cont. from F1) group, (a) such time as the reporting person is removed as a director from the board of directors of the Issuer with such reporting person's consent, (b) upon the violation of any material non-compete or non-solicitation covenants by the reporting person set forth in any written agreement entered into by the Issuer and the reporting person on or after the filing and effectiveness of the Issuer's COI, which violation is finally determined by a court of competent jurisdiction or (c) upon the death or disability (as defined in the Issuer's COI) of the reporting person or (v) if the reporting person and its permitted transferees cease to hold or control, in the aggregate, at least 25% of the aggregate shares of the Class B Common Stock and Class D Common Stock held by or subject to the voting control of such reporting person and its permitted transferees as of the consummation of the Issuer's IPO. July 2, 2026 was the 5th anniversary of the Issuer's IPO.

Shares of Class B Common Stock have 20 votes per share and economic rights (including rights to dividends and distributions upon liquidation).

Represents RSUs automatically withheld to satisfy tax withholding obligations in connection with the vesting of PSUs described in footnote 7, exempt under Rule 16b-3.

Alclear Investments, LLC is controlled by Ms. Seidman Becker, its sole manager, who has dispositive control and voting control over the shares held by Alclear Investments, LLC.

Pursuant to the terms of the Issuer's Certificate of Incorporation ("COI"), each share of Class B common stock of the Issuer ("Class B Common Stock") will automatically convert into a share of Class A common stock of the Issuer ("Class A Common Stock") on a one-for-one basis, and each share of Class D common stock of the Issuer ("Class D Common Stock") will automatically convert into a share of Class C common stock of the Issuer ("Class C Common Stock") on a one-for-one basis (i) at the option of the holder, (ii) immediately prior to any sale or other transfer of such share to a person or entity that is not a member of the reporting person's permitted ownership group as described in the Issuer's COI, (iii) upon the 5th anniversary of the consummation of the Issuer's initial public offering ("IPO"), (iv) with respect to any shares of Class B Common Stock or Class D Common Stock held by the reporting person or any other person in the reporting person's permitted ownership (cont. in FN2)

(cont. from F1) group, (a) such time as the reporting person is removed as a director from the board of directors of the Issuer with such reporting person's consent, (b) upon the violation of any material non-compete or non-solicitation covenants by the reporting person set forth in any written agreement entered into by the Issuer and the reporting person on or after the filing and effectiveness of the Issuer's COI, which violation is finally determined by a court of competent jurisdiction or (c) upon the death or disability (as defined in the Issuer's COI) of the reporting person or (v) if the reporting person and its permitted transferees cease to hold or control, in the aggregate, at least 25% of the aggregate shares of the Class B Common Stock and Class D Common Stock held by or subject to the voting control of such reporting person and its permitted transferees as of the consummation of the Issuer's IPO. July 2, 2026 was the 5th anniversary of the Issuer's IPO.

Shares of Class D Common Stock have 20 votes per share but no economic rights (including rights to dividends and distributions upon liquidation) and are issued in an equal amount to the number of non-voting common interest units ("Common Units") of Alclear Holdings, LLC ("Alclear") held.

Pursuant to the terms of the Issuer's Certificate of Incorporation ("COI"), each share of Class B common stock of the Issuer ("Class B Common Stock") will automatically convert into a share of Class A common stock of the Issuer ("Class A Common Stock") on a one-for-one basis, and each share of Class D common stock of the Issuer ("Class D Common Stock") will automatically convert into a share of Class C common stock of the Issuer ("Class C Common Stock") on a one-for-one basis (i) at the option of the holder, (ii) immediately prior to any sale or other transfer of such share to a person or entity that is not a member of the reporting person's permitted ownership group as described in the Issuer's COI, (iii) upon the 5th anniversary of the consummation of the Issuer's initial public offering ("IPO"), (iv) with respect to any shares of Class B Common Stock or Class D Common Stock held by the reporting person or any other person in the reporting person's permitted ownership (cont. in FN2)

(cont. from FN1) group, (a) such time as the reporting person is removed as a director from the board of directors of the Issuer with such reporting person's consent, (b) upon the violation of any material non-compete or non-solicitation covenants by the reporting person set forth in any written agreement entered into by the Issuer and the reporting person on or after the filing and effectiveness of the Issuer's COI, which violation is finally determined by a court of competent jurisdiction or (c) upon the death or disability (as defined in the Issuer's COI) of the reporting person or (v) if the reporting person and its permitted transferees cease to hold or control, in the aggregate, at least 25% of the aggregate shares of the Class B Common Stock and Class D Common Stock held by or subject to the voting control of such reporting person and its permitted transferees as of the consummation of the Issuer's IPO. July 2, 2026 was the 5th anniversary of the Issuer's IPO.

Alclear Investments, LLC is controlled by Ms. Seidman Becker, its sole manager, who has dispositive control and voting control over the shares held by Alclear Investments, LLC.

This Form 4 is being filed to report the vesting of a portion of performance restricted stock units ("PSUs") awarded in connection with the Issuer's initial public offering in 2021, each of which represents a contingent right to receive a share of Class A Common Stock following the vesting date. The PSUs were eligible for vesting based on the Issuer's stock price achieving specified share targets over a five-year period of time following the closing of the Issuer's initial public offering in July 2021. The remaining PSUs for which the performance goals were not met within such period were forfeited and so, after the vesting of the portion of the award reported in this Form 4, there are no remaining PSUs.

This Form 4 is being filed to report the vesting of a portion of performance restricted stock units ("PSUs") awarded in connection with the Issuer's initial public offering in 2021, each of which represents a contingent right to receive a share of Class A Common Stock following the vesting date. The PSUs were eligible for vesting based on the Issuer's stock price achieving specified share targets over a five-year period of time following the closing of the Issuer's initial public offering in July 2021. The remaining PSUs for which the performance goals were not met within such period were forfeited and so, after the vesting of the portion of the award reported in this Form 4, there are no remaining PSUs.

Pursuant to the terms of the Issuer's Certificate of Incorporation ("COI"), each share of Class B common stock of the Issuer ("Class B Common Stock") will automatically convert into a share of Class A common stock of the Issuer ("Class A Common Stock") on a one-for-one basis, and each share of Class D common stock of the Issuer ("Class D Common Stock") will automatically convert into a share of Class C common stock of the Issuer ("Class C Common Stock") on a one-for-one basis (i) at the option of the holder, (ii) immediately prior to any sale or other transfer of such share to a person or entity that is not a member of the reporting person's permitted ownership group as described in the Issuer's COI, (iii) upon the 5th anniversary of the consummation of the Issuer's initial public offering ("IPO"), (iv) with respect to any shares of Class B Common Stock or Class D Common Stock held by the reporting person or any other person in the reporting person's permitted ownership (cont. in FN2)

(cont. from F1) group, (a) such time as the reporting person is removed as a director from the board of directors of the Issuer with such reporting person's consent, (b) upon the violation of any material non-compete or non-solicitation covenants by the reporting person set forth in any written agreement entered into by the Issuer and the reporting person on or after the filing and effectiveness of the Issuer's COI, which violation is finally determined by a court of competent jurisdiction or (c) upon the death or disability (as defined in the Issuer's COI) of the reporting person or (v) if the reporting person and its permitted transferees cease to hold or control, in the aggregate, at least 25% of the aggregate shares of the Class B Common Stock and Class D Common Stock held by or subject to the voting control of such reporting person and its permitted transferees as of the consummation of the Issuer's IPO. July 2, 2026 was the 5th anniversary of the Issuer's IPO.

Pursuant to the terms of the Exchange Agreement, dated June 29, 2021, by and among the Issuer, Alclear and the equityholders of Alclear (the "Exchange Agreement"), vested Common Units, together with a corresponding number of shares of Class C Common Stock, may be exchanged for, at the Issuer's option, (i) shares of Class A Common Stock, which have one vote per share and economic rights (including rights to dividends and distributions upon liquidation), on a one-for-one basis or (ii) cash from a substantially concurrent public offering or private sale of Class A Common Stock (based on the market price of the Class A Common Stock in such public offering or private sale). The exchange rights under the Exchange Agreement do not expire.

Shares of Class C Common Stock have one vote per share but no economic rights (including rights to dividends and distributions upon liquidation) and are issued in an equal amount to the Common Units held.

Pursuant to the terms of the Issuer's Certificate of Incorporation ("COI"), each share of Class B common stock of the Issuer ("Class B Common Stock") will automatically convert into a share of Class A common stock of the Issuer ("Class A Common Stock") on a one-for-one basis, and each share of Class D common stock of the Issuer ("Class D Common Stock") will automatically convert into a share of Class C common stock of the Issuer ("Class C Common Stock") on a one-for-one basis (i) at the option of the holder, (ii) immediately prior to any sale or other transfer of such share to a person or entity that is not a member of the reporting person's permitted ownership group as described in the Issuer's COI, (iii) upon the 5th anniversary of the consummation of the Issuer's initial public offering ("IPO"), (iv) with respect to any shares of Class B Common Stock or Class D Common Stock held by the reporting person or any other person in the reporting person's permitted ownership (cont. in FN2)

(cont. from FN1) group, (a) such time as the reporting person is removed as a director from the board of directors of the Issuer with such reporting person's consent, (b) upon the violation of any material non-compete or non-solicitation covenants by the reporting person set forth in any written agreement entered into by the Issuer and the reporting person on or after the filing and effectiveness of the Issuer's COI, which violation is finally determined by a court of competent jurisdiction or (c) upon the death or disability (as defined in the Issuer's COI) of the reporting person or (v) if the reporting person and its permitted transferees cease to hold or control, in the aggregate, at least 25% of the aggregate shares of the Class B Common Stock and Class D Common Stock held by or subject to the voting control of such reporting person and its permitted transferees as of the consummation of the Issuer's IPO. July 2, 2026 was the 5th anniversary of the Issuer's IPO.

Shares of Class C Common Stock have one vote per share but no economic rights (including rights to dividends and distributions upon liquidation) and are issued in an equal amount to the number of Common Units held.

Pursuant to the terms of the Exchange Agreement, dated June 29, 2021, by and among the Issuer, Alclear and the equityholders of Alclear (the "Exchange Agreement"), vested Common Units, together with a corresponding number of shares of Class C Common Stock, may be exchanged for, at the Issuer's option, (i) shares of Class A Common Stock, which have one vote per share and economic rights (including rights to dividends and distributions upon liquidation), on a one-for-one basis or (ii) cash from a substantially concurrent public offering or private sale of Class A Common Stock (based on the market price of the Class A Common Stock in such public offering or private sale). The exchange rights under the Exchange Agreement do not expire.

Alclear Investments, LLC is controlled by Ms. Seidman Becker, its sole manager, who has dispositive control and voting control over the shares held by Alclear Investments, LLC.

Represents RSUs automatically withheld to satisfy tax withholding obligations in connection with the vesting of PSUs described in footnote 8, exempt under Rule 16b-3.

This transaction reflects the issuance of shares following the vesting of restricted stock units ("RSUs"). Each RSU represents a contingent right to receive a share of Class A Common Stock, generally subject to the reporting person's continued service. These RSUs were received in lieu of cash retainer payments for service on the Issuer's board of directors and so vest on a quarterly basis.

This transaction reflects the issuance of shares following the vesting of restricted stock units ("RSUs"). Each RSU represents a contingent right to receive a share of Class A Common Stock, generally subject to the reporting person's continued service. These RSUs were received in lieu of cash retainer payments for service on the Issuer's board of directors and so vest on a quarterly basis.

Pursuant to the terms of the Issuer's Certificate of Incorporation, each share of Class B common stock of the Issuer ("Class B Common Stock") was converted into a share of Class A common stock of the Issuer ("Class A Common Stock") on a one-for-one basis. The resulting shares of Class A Common Stock were used to settle the sale transaction described above, and so after the transactions reported in this Form 4, no shares of Class A Common Stock are held.

Pursuant to the terms of the Issuer's Certificate of Incorporation, each share of Class B common stock of the Issuer ("Class B Common Stock") was converted into a share of Class A common stock of the Issuer ("Class A Common Stock") on a one-for-one basis. The resulting shares of Class A Common Stock were used to settle the sale transaction described above, and so after the transactions reported in this Form 4, no shares of Class A Common Stock are held.

Alclear Investments, LLC is controlled by Ms. Seidman Becker, its sole manager, who has dispositive control and voting control over the shares held by Alclear Investments, LLC.

Pursuant to the terms of the Exchange Agreement, dated June 29, 2021, by and among the Issuer, Alclear and the equity holders of Alclear (the "Exchange Agreement"), Common Units, together with a corresponding number of shares of Class D Common Stock, were exchanged for Class B Common Stock on a one-for-one basis. The exchange rights under the Exchange Agreement do not expire.

Shares of Class D Common Stock have 20 votes per share but no economic rights (including rights to dividends and distributions upon liquidation) and are issued in an equal amount to the number of Common Units held.

This Form 4 is being filed to report the vesting of a portion of performance restricted stock units ("PSUs") awarded in connection with the Issuer's initial public offering in 2021, each of which represents a contingent right to receive a share of Class A Common Stock following the vesting date. The PSUs were eligible for vesting based on the Issuer's stock price achieving specified share targets over a five-year period of time following the closing of the Issuer's initial public offering in July 2021.

Pursuant to the terms of the Exchange Agreement, dated June 29, 2021, by and among the Issuer, Alclear and the equity holders of Alclear (the "Exchange Agreement"), Common Units, together with a corresponding number of shares of Class D Common Stock, were exchanged for Class B Common Stock on a one-for-one basis. The exchange rights under the Exchange Agreement do not expire.

Shares of Class B Common Stock have 20 votes per share and economic rights (including rights to dividends and distributions upon liquidation).

Alclear Investments, LLC is controlled by Ms. Seidman Becker, its sole manager, who has dispositive control and voting control over the shares held by Alclear Investments, LLC.