GOGO · Gogo Inc.

Each deferred share unit represents the contingent right to receive one share of the Company's common stock.

These deferred share units were granted on June 30, 2026, and immediately vest in full on the grant date. The deferred share units will be settled in shares of the Company's common stock following the director's termination of service on the Company's board of directors.

Each deferred share unit represents the contingent right to receive one share of the Company's common stock.

These deferred share units were granted on June 30, 2026, and immediately vest in full on the grant date. The deferred share units will be settled in shares of the Company's common stock following the director's termination of service on the Company's board of directors.

Each deferred share unit represents the contingent right to receive one share of the Company's common stock.

These deferred share units were granted on June 30, 2026, and immediately vest in full on the grant date. The deferred share units will be settled in shares of the Company's common stock following the director's termination of service on the Company's board of directors.

Each deferred share unit represents the contingent right to receive one share of the Company's common stock.

These deferred share units were granted on June 30, 2026, and immediately vest in full on the grant date. The deferred share units will be settled in shares of the Company's common stock following the director's termination of service on the Company's board of directors.

Each deferred share unit represents the contingent right to receive one share of the Company's common stock.

These deferred share units were granted on June 30, 2026, and immediately vest in full on the grant date. The deferred share units will be settled in shares of the Company's common stock following the director's termination of service on the Company's board of directors.

Each deferred share unit represents the contingent right to receive one share of the Company's common stock.

These deferred share units were granted on June 30, 2026 to Mr. Mark Anderson, a director of the Company, and immediately vest in full on the grant date. The deferred share units will be settled in shares of the Company's common stock following the director's termination of service on the Company's board of directors.

Mr. Anderson is an employee of GTCR LLC, an affiliate of the Reporting Persons. Pursuant to the policies of certain GTCR-affiliated entities, Mr. Anderson must hold these securities on behalf of and for the benefit of the GTCR-affiliated entities. GTCR Partners XII/A&C LP is the general partner of Silver (Equity) Holdings, LP and Silver (XII) Holdings, LP, each of which hold securities of the Company. GTCR Investment XII LLC is the general partner of GTCR Partners XII/A&C LP. GTCR Investment XII LLC is managed by a six-member board of managers (the "GTCR Board of Managers"). Each of the Reporting Persons is a "director by deputization" for purposes of Section 16 of the Securities Exchange Act of 1934, as amended.

Each of the Reporting Persons and the individual members of the GTCR Board of Managers disclaims beneficial ownership of the securities reported herein, except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Persons or Mr. Anderson is the beneficial owner of the securities for purposes of Section 16 or for any other purpose.

Each deferred share unit represents the contingent right to receive one share of the Company's common stock.

These deferred share units were granted on June 30, 2026, and immediately vest in full on the grant date. The deferred share units will be settled in shares of the Company's common stock following the director's termination of service on the Company's board of directors.

Each deferred share unit represents the contingent right to receive one share of the Company's common stock.

These deferred share units were granted on June 30, 2026, and immediately vest in full on the grant date. The deferred share units will be settled in shares of the Company's common stock following the director's termination of service on the Company's board of directors.

Each deferred share unit represents the contingent right to receive one share of the Company's common stock.

These deferred share units were granted on June 30, 2026, and immediately vest in full on the grant date. The deferred share units will be settled in shares of the Company's common stock following the director's termination of service on the Company's board of directors.

Restricted stock units convert into common stock on a one-for-one basis.

Restricted stock units convert into common stock on a one-for-one basis.

On April 1, 2024, the reporting person was granted 70,970 restricted stock units, vesting in four equal annual installments on the first four anniversaries of April 1, 2024, subject to continued employment with the Company.

Restricted stock units convert into common stock on a one-for-one basis.

On April 1, 2024, the reporting person was granted 17,459 restricted stock units, vesting in four equal annual installments on the first four anniversaries of April 1, 2024, subject to continued employment with the Company.

Restricted stock units convert into common stock on a one-for-one basis.

Each deferred share unit represents the contingent right to receive one share of the Company's common stock.

These deferred share units were granted on March 31, 2026, and will vest in full on the one-year anniversary of the grant date. The deferred share units will be settled in shares of the Company's common stock following the director's termination of service on the Company's board of directors.

Each deferred share unit represents the contingent right to receive one share of the Company's common stock.

These deferred share units were granted on March 31, 2026, and will vest in full on the one-year anniversary of the grant date. The deferred share units will be settled in shares of the Company's common stock following the director's termination of service on the Company's board of directors.

Each deferred share unit represents the contingent right to receive one share of the Company's common stock.

These deferred share units were granted on March 31, 2026 to Mr. Mark Anderson, a director of the Company, and will vest in full on the one-year anniversary of the grant date. The deferred share units will be settled in shares of the Company's common stock following the director's termination of service on the Company's board of directors.

Mr. Anderson is an employee of GTCR LLC, an affiliate of the Reporting Persons. Pursuant to the policies of certain GTCR-affiliated entities, Mr. Anderson must hold these securities on behalf of and for the benefit of the GTCR-affiliated entities. GTCR Partners XII/A&C LP is the general partner of Silver (Equity) Holdings, LP and Silver (XII) Holdings, LP, each of which hold securities of the Company. GTCR Investment XII LLC is the general partner of GTCR Partners XII/A&C LP. GTCR Investment XII LLC is managed by a six-member board of managers (the "GTCR Board of Managers"). Each of the Reporting Persons is a "director by deputization" for purposes of Section 16 of the Securities Exchange Act of 1934, as amended.

Each of the Reporting Persons and the individual members of the GTCR Board of Managers disclaims beneficial ownership of the securities reported herein, except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Persons or Mr. Anderson is the beneficial owner of the securities for purposes of Section 16 or for any other purpose.

Each deferred share unit represents the contingent right to receive one share of the Company's common stock.

These deferred share units were granted on March 31, 2026, and will vest in full on the one-year anniversary of the grant date. The deferred share units will be settled in shares of the Company's common stock following the director's termination of service on the Company's board of directors.

Each deferred share unit represents the contingent right to receive one share of the Company's common stock.

These deferred share units were granted on March 31, 2026, and will vest in full on the one-year anniversary of the grant date. The deferred share units will be settled in shares of the Company's common stock following the director's termination of service on the Company's board of directors.

Each deferred share unit represents the contingent right to receive one share of the Company's common stock.

These deferred share units were granted on March 31, 2026, and will vest in full on the one-year anniversary of the grant date. The deferred share units will be settled in shares of the Company's common stock following the director's termination of service on the Company's board of directors.

Each deferred share unit represents the contingent right to receive one share of the Company's common stock.

These deferred share units were granted on March 31, 2026, and immediately vest in full on the grant date. The deferred share units will be settled in shares of the Company's common stock following the director's termination of service on the Company's board of directors.

Each deferred share unit represents the contingent right to receive one share of the Company's common stock.

These deferred share units were granted on March 31, 2026, and immediately vest in full on the grant date. The deferred share units will be settled in shares of the Company's common stock following the director's termination of service on the Company's board of directors.

Each deferred share unit represents the contingent right to receive one share of the Company's common stock.

These deferred share units were granted on March 31, 2026, and immediately vest in full on the grant date. The deferred share units will be settled in shares of the Company's common stock following the director's termination of service on the Company's board of directors.

Restricted stock units convert into common stock on a one-for-one basis.

Restricted stock units convert into common stock on a one-for-one basis.

Restricted stock units convert into common stock on a one-for-one basis.

On March 21, 2025, the reporting person was granted 202,156 restricted stock units, vesting in four equal annual installments on the first four anniversaries of March 21, 2025, subject to continued employment with the Company.

Restricted stock units convert into common stock on a one-for-one basis.

Restricted stock units convert into common stock on a one-for-one basis.

On March 21, 2025, the reporting person was granted 53,908 restricted stock units, vesting in four equal annual installments on the first four anniversaries of March 21, 2025, subject to continued employment with the Company.

Restricted stock units convert into common stock on a one-for-one basis.

Restricted stock units convert into common stock on a one-for-one basis.

On March 21, 2025, the reporting person was granted 19,495 restricted stock units, vesting in four equal annual installments on the first four anniversaries of March 21, 2025, subject to continued employment with the Company.

Restricted stock units convert into common stock on a one-for-one basis.

On March 21, 2025, the reporting person was granted 673,854 restricted stock units, vesting in four equal annual installments on the first four anniversaries of March 21, 2025, subject to continued employment with the Company.

Restricted stock units convert into common stock on a one-for-one basis.

Restricted stock units convert into common stock on a one-for-one basis.

On March 21, 2025, the reporting person was granted 175,202 restricted stock units, vesting in four equal annual installments on the first four anniversaries of March 21, 2025, subject to continued employment with the Company.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $4.46 to $4.65, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the SEC, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

Mr. Townsend purchased these shares in his personal account.

Restricted stock units ("RSUs") convert into common stock on a one-for-one basis.

On March 11, 2026, the reporting person was granted 36,926 RSUs, vesting in four equal annual installments on the first four anniversaries of March 11, 2026, subject to continued employment with the Company.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $4.48 to $4.56, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission (the "SEC"), upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

Mr. Townsend purchased these shares in his personal account.

Restricted stock units ("RSUs") convert into common stock on a one-for-one basis.

On March 11, 2026, the reporting person was granted 240,021 RSUs, vesting in four equal annual installments on the first four anniversaries of March 11, 2026, subject to continued employment with the Company.

Restricted stock units ("RSUs") convert into common stock on a one-for-one basis.

On March 11, 2026, the reporting person was granted 923,156 RSUs, vesting in four equal annual installments on the first four anniversaries of March 11, 2026, subject to continued employment with the Company.

Restricted stock units ("RSUs") convert into common stock on a one-for-one basis.

On March 11, 2026, the reporting person was granted 73,853 RSUs, vesting in four equal annual installments on the first four anniversaries of March 11, 2026, subject to continued employment with the Company.

Restricted stock units ("RSUs") convert into common stock on a one-for-one basis.

On March 11, 2026, the reporting person was granted 240,021 RSUs, vesting in four equal annual installments on the first four anniversaries of March 11, 2026, subject to continued employment with the Company.

Restricted stock units convert into common stock on a one-for-one basis.

On March 3, 2023, the reporting person was granted 42,347 restricted stock units, vesting in four equal annual installments on the first four anniversaries of March 3, 2023, subject to continued employment with the Company.

Restricted stock units convert into common stock on a one-for-one basis.

On March 3, 2023, the reporting person was granted 13,309 restricted stock units, vesting in four equal annual installments on the first four anniversaries of March 3, 2023, subject to continued employment with the Company.