FLY · Firefly Aerospace Inc.

Represents shares of common stock distributed by Mars Technology Holdings LLC ("Mars") on a pro rata basis to its limited partners, including 3,193 shares to the Ryan M. Boland Revocable Trust.

Includes 85 shares received in a pro rata distribution exempt from reporting under Rule 16a-9.

These shares are held directly by the Ryan M. Boland Revocable Trust for which the reporting person serves as trustee. The reporting person may be deemed to have beneficial ownership of the shares held by the trust.

Represents shares of common stock distributed by Mars Technology Holdings LLC ("Mars") on a pro rata basis to its limited partners, including 3,193 shares to the Ryan M. Boland Revocable Trust.

The reporting person exercised voting and dispositive control over the shares of common stock previously held by Mars.

Represents restricted stock units ("RSUs") granted under the Firefly Aerospace Inc. 2025 Omnibus Incentive Plan. 1/3rd of the RSUs shall vest on August 20, 2027 and 1/12th of the RSUs shall vest quarterly thereafter, subject to the reporting person's continued employment with the Issuer through the respective vesting date.

The securities consist of RSUs. Each RSU represents a contingent right to receive one share of the Issuer's common stock.

Represents restricted stock units ("RSUs") granted under the Firefly Aerospace Inc. 2025 Omnibus Incentive Plan. The RSUs vest on June 4, 2027, subject to the reporting person's continued service to the Issuer through the vesting date.

A portion of these securities are RSUs. Each RSU represents a contingent right to receive one share of the Issuer's common stock.

Represents restricted stock units ("RSUs") granted under the Firefly Aerospace Inc. 2025 Omnibus Incentive Plan. The RSUs vest on June 4, 2027, subject to the reporting person's continued service to the Issuer through the vesting date.

A portion of these securities are RSUs. Each RSU represents a contingent right to receive one share of the Issuer's common stock.

Represents restricted stock units ("RSUs") granted under the Firefly Aerospace Inc. 2025 Omnibus Incentive Plan. The RSUs vest on June 4, 2027, subject to the reporting person's continued service to the Issuer through the vesting date.

A portion of these securities are RSUs. Each RSU represents a contingent right to receive one share of the Issuer's common stock.

Represents restricted stock units ("RSUs") granted under the Firefly Aerospace Inc. 2025 Omnibus Incentive Plan. The RSUs vest on June 4, 2027, subject to the reporting person's continued service to the Issuer through the vesting date.

A portion of these securities are RSUs. Each RSU represents a contingent right to receive one share of the Issuer's common stock.

Represents restricted stock units ("RSUs") granted under the Firefly Aerospace Inc. 2025 Omnibus Incentive Plan. The RSUs vest on June 4, 2027, subject to the reporting person's continued service to the Issuer through the vesting date.

A portion of these securities are RSUs. Each RSU represents a contingent right to receive one share of the Issuer's common stock.

Represents restricted stock units ("RSUs") granted under the Firefly Aerospace Inc. 2025 Omnibus Incentive Plan. The RSUs vest on June 4, 2027, subject to the reporting person's continued service to the Issuer through the vesting date.

A portion of these securities are RSUs. Each RSU represents a contingent right to receive one share of the Issuer's common stock.

Represents restricted stock units ("RSUs") granted under the Firefly Aerospace Inc. 2025 Omnibus Incentive Plan. The RSUs vest on June 4, 2027, subject to the reporting person's continued service to the Issuer through the vesting date.

A portion of these securities are RSUs. Each RSU represents a contingent right to receive one share of the Issuer's common stock.

Glow NS Holdings, LLC is controlled by Glow NS Intermediate Holdings, LLC, its sole member. Glow NS Intermediate Holdings LLC is controlled by Glow Aggregator, LLC, its sole member. Glow Aggregator, LLC is controlled by AE Industrial Partners Fund II, L.P., its managing member. AE Industrial Partners Fund II, L.P. is controlled by AE Industrial Partners Fund II GP, LP ("AE Fund II GP"), its general partner. Glow Holdings Aggregator, LLC is controlled by AE Co-Investment Partners Fund III-F, LP, its managing member. AE Co-Investment Partners Fund III-F, LP is controlled by AE Industrial Partners Fund III GP, LP ("AE Fund III GP"), its general partner.

(Continued from footnote 1) AE Fund II GP and AE Fund III GP are each managed by each entity's respective general partner, AeroEquity GP, LLC. AeroEquity GP, LLC is controlled by its managing members, Michael Greene and David Rowe. Messrs. Greene and Rowe make all voting and investment decisions with respect to the securities held by AE Industrial Partners. Each of the entities and individuals named above disclaims beneficial ownership of the securities held by AE Industrial Partners, except to the extent of its pecuniary interest therein.

Held by Glow NS Holdings, LLC.

Glow NS Holdings, LLC is controlled by Glow NS Intermediate Holdings, LLC, its sole member. Glow NS Intermediate Holdings LLC is controlled by Glow Aggregator, LLC, its sole member. Glow Aggregator, LLC is controlled by AE Industrial Partners Fund II, L.P., its managing member. AE Industrial Partners Fund II, L.P. is controlled by AE Industrial Partners Fund II GP, LP ("AE Fund II GP"), its general partner. Glow Holdings Aggregator, LLC is controlled by AE Co-Investment Partners Fund III-F, LP, its managing member. AE Co-Investment Partners Fund III-F, LP is controlled by AE Industrial Partners Fund III GP, LP ("AE Fund III GP"), its general partner.

(Continued from footnote 1) AE Fund II GP and AE Fund III GP are each managed by each entity's respective general partner, AeroEquity GP, LLC. AeroEquity GP, LLC is controlled by its managing members, Michael Greene and David Rowe. Messrs. Greene and Rowe make all voting and investment decisions with respect to the securities held by AE Industrial Partners. Each of the entities and individuals named above disclaims beneficial ownership of the securities held by AE Industrial Partners, except to the extent of its pecuniary interest therein.

Held by Glow Holdings Aggregator, LLC. Shares previously reported as held by Glow B Holdings, LLC, Glow C Holdings, LLC, Glow D Holdings, LLC and AE Co-Investment Partners Fund III-F, LP were contributed to Glow Holdings Aggregator, LLC in an exempted transaction pursuant to Rule 16a-13.

The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the Reporting Person on December 5, 2025.

Represents a weighted average sale price of $45.1221 per share (with individual transaction prices ranging from $45.00 to $45.35 per share, inclusive). The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

A portion of these securities are Restricted Stock Units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's common stock.

The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the Reporting Person on December 5, 2025.

A portion of these securities are Restricted Stock Units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's common stock.

The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the Reporting Person on December 5, 2025.

All of the shares subject to the option are fully vested and exercisable as of the date hereof.

The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the Reporting Person on December 5, 2025.

Represents a weighted average sale price with individual transaction prices ranging from $45.00 to $45.06 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

A portion of these securities are Restricted Stock Units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's common stock.

The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the Reporting Person on December 5, 2025.

A portion of these securities are Restricted Stock Units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's common stock.

The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the Reporting Person on December 5, 2025.

All of the shares subject to the option are fully vested and exercisable as of the date hereof.

Represents restricted stock units ("RSUs") granted under the Firefly Aerospace Inc. 2025 Omnibus Incentive Plan. One-third of the RSUs vest at the one-year anniversary of the grant date, and 1/12 of the RSUs vest quarterly thereafter (such that the RSUs will be fully vested at the third anniversary of the grant date), subject in each case to the reporting person's continued employment with the Issuer through the respective vesting date.

Represents shares of common stock distributed by Ares Technology I LLC ("Ares") on a pro rata basis to its limited partners, including 26,537 shares to the Ryan M. Boland Revocable Trust.

Represents shares of common stock distributed by Mars Technology Holdings LLC ("Mars") on a pro rata basis to its limited partners, including 36,803 shares to the Ryan M. Boland Revocable Trust.

Represents shares of common stock distributed by Lunar Technology I LLC ("Lunar") on a pro rata basis to its limited partners, including 59,520 shares to the Ryan M. Boland Revocable Trust.

These shares are held directly by the Ryan M. Boland Revocable Trust for which the reporting person serves as trustee. The reporting person may be deemed to have beneficial ownership of the shares held by the trust.

Represents shares of common stock distributed by Mars Technology Holdings LLC ("Mars") on a pro rata basis to its limited partners, including 36,803 shares to the Ryan M. Boland Revocable Trust.

Includes 3 shares of common stock that were inadvertently excluded from the Form 3 filed by the reporting person on August 6, 2025.

The reporting person exercises voting and dispositive control over the shares of common stock held by Mars.

Represents shares of common stock distributed by Lunar Technology I LLC ("Lunar") on a pro rata basis to its limited partners, including 59,520 shares to the Ryan M. Boland Revocable Trust.

The reporting person exercised voting and dispositive control over the shares of common stock previously held by Lunar.

Represents shares of common stock distributed by Ares Technology I LLC ("Ares") on a pro rata basis to its limited partners, including 26,537 shares to the Ryan M. Boland Revocable Trust.

Includes 1 share of common stock that was inadvertently excluded from the Form 3 filed by the reporting person on August 6, 2025.

The reporting person exercised voting and dispositive control over the shares of common stock previously held by Ares.

Represents restricted stock units ("RSUs") granted under the Firefly Aerospace Inc. 2025 Omnibus Incentive Plan. One-third of the RSUs vest at the one-year anniversary of the grant date, and 1/12 of the RSUs vest quarterly thereafter (such that the RSUs will be fully vested at the third anniversary of the grant date), subject in each case to the reporting person's continued employment with the Issuer through the respective vesting date.

Represents restricted stock units ("RSUs") granted under the Firefly Aerospace Inc. 2025 Omnibus Incentive Plan. One-third of the RSUs vest at the one-year anniversary of the grant date, and 1/12 of the RSUs vest quarterly thereafter (such that the RSUs will be fully vested at the third anniversary of the grant date), subject in each case to the reporting person's continued employment with the Issuer through the respective vesting date.

Represents restricted stock units ("RSUs") granted under the Firefly Aerospace Inc. 2025 Omnibus Incentive Plan. One-third of the RSUs vest at the one-year anniversary of the grant date, and 1/12 of the RSUs vest quarterly thereafter (such that the RSUs will be fully vested at the third anniversary of the grant date), subject in each case to the reporting person's continued employment with the Issuer through the respective vesting date.

Represents restricted stock units ("RSUs") granted under the Firefly Aerospace Inc. 2025 Omnibus Incentive Plan. One-third of the RSUs vest at the one-year anniversary of the grant date, and 1/12 of the RSUs vest quarterly thereafter (such that the RSUs will be fully vested at the third anniversary of the grant date), subject in each case to the reporting person's continued employment with the Issuer through the respective vesting date.

Represents restricted stock units ("RSUs") granted under the Firefly Aerospace Inc. 2025 Omnibus Incentive Plan. One-third of the RSUs vest at the one-year anniversary of the grant date, and 1/12 of the RSUs vest quarterly thereafter (such that the RSUs will be fully vested at the third anniversary of the grant date), subject in each case to the reporting person's continued employment with the Issuer through the respective vesting date.

Represents restricted stock units ("RSUs") granted under the Firefly Aerospace Inc. 2025 Omnibus Incentive Plan. The RSUs vest on August 8, 2026, subject to the reporting person's continued service to the Issuer through the vesting date.

Represents restricted stock units ("RSUs") granted under the Firefly Aerospace Inc. 2025 Omnibus Incentive Plan. The RSUs vest on August 8, 2026, subject to the reporting person's continued service to the Issuer through the vesting date.

Represents restricted stock units ("RSUs") granted under the Firefly Aerospace Inc. 2025 Omnibus Incentive Plan. The RSUs vest on August 8, 2026, subject to the reporting person's continued service to the Issuer through the vesting date.

Represents restricted stock units ("RSUs") granted under the Firefly Aerospace Inc. 2025 Omnibus Incentive Plan. The RSUs vest on August 8, 2026, subject to the reporting person's continued service to the Issuer through the vesting date.

Represents restricted stock units ("RSUs") granted under the Firefly Aerospace Inc. 2025 Omnibus Incentive Plan. The RSUs vest on August 8, 2026, subject to the reporting person's continued service to the Issuer through the vesting date.

Represents restricted stock units ("RSUs") granted under the Firefly Aerospace Inc. 2025 Omnibus Incentive Plan. The RSUs vest on August 8, 2026, subject to the reporting person's continued service to the Issuer through the vesting date.

Represents restricted stock units ("RSUs") granted under the Firefly Aerospace Inc. 2025 Omnibus Incentive Plan. The RSUs vest on August 8, 2026, subject to the reporting person's continued service to the Issuer through the vesting date.

Represents restricted stock units ("RSUs") granted under the Firefly Aerospace Inc. 2025 Omnibus Incentive Plan. The RSUs vest on August 8, 2026, subject to the reporting person's continued service to the Issuer through the vesting date.

Represents restricted stock units ("RSUs") granted under the Firefly Aerospace Inc. 2025 Omnibus Incentive Plan. One-third of the RSUs vest at the one-year anniversary of the grant date, and 1/12 of the RSUs vest quarterly thereafter (such that the RSUs will be fully vested at the third anniversary of the grant date), subject in each case to the reporting person's continued employment with the Issuer through the respective vesting date.

Represents restricted stock units ("RSUs") granted under the Firefly Aerospace Inc. 2025 Omnibus Incentive Plan. The RSUs vest in four installments on each of September 16, 2026, 2027, 2028 and 2029, subject to the reporting person's continued employment with the Issuer through the respective vesting date.

Represents restricted stock units ("RSUs") granted under the Firefly Aerospace Inc. 2025 Omnibus Incentive Plan. The RSUs vest in four installments on each of September 16, 2026, 2027, 2028 and 2029, subject to the reporting person's continued employment with the Issuer through the respective vesting date.

Represents restricted stock units ("RSUs") granted under the Firefly Aerospace Inc. 2025 Omnibus Incentive Plan. The RSUs vest in four installments on each of September 16, 2026, 2027, 2028 and 2029, subject to the reporting person's continued employment with the Issuer through the respective vesting date.

Represents restricted stock units ("RSUs") granted under the Firefly Aerospace Inc. 2025 Omnibus Incentive Plan. The RSUs vest in four installments on each of September 16, 2026, 2027, 2028 and 2029, subject to the reporting person's continued employment with the Issuer through the respective vesting date.

Represents restricted stock units ("RSUs") granted under the Firefly Aerospace Inc. 2025 Omnibus Incentive Plan. The RSUs vest in four installments on each of September 16, 2026, 2027, 2028 and 2029, subject to the reporting person's continued employment with the Issuer through the respective vesting date.

Includes 18 shares of common stock directly owned by the reporting person that were inadvertently excluded from the Form 3 filed by the reporting person on August 6, 2025.

Represents restricted stock units ("RSUs") granted under the Firefly Aerospace Inc. 2025 Omnibus Incentive Plan. The RSUs vest in four installments on each of September 16, 2026, 2027, 2028 and 2029, subject to the reporting person's continued employment with the Issuer through the respective vesting date.

Represents restricted stock units ("RSUs") granted under the Firefly Aerospace Inc. 2025 Omnibus Incentive Plan. One-third of the RSUs vest at the one-year anniversary of the grant date, and 1/12 of the RSUs vest quarterly thereafter (such that the RSUs will be fully vested at the third anniversary of the grant date), subject in each case to the reporting person's continued employment with the Issuer through the respective vesting date.

Glow NS Holdings, LLC is controlled by Glow NS Intermediate Holdings, LLC, its sole member. Glow B Holdings, LLC and Glow NS Intermediate Holdings LLC are controlled by Glow Aggregator, LLC as each entity's sole member. Glow Aggregator, LLC is controlled by AE Industrial Partners Fund II, L.P. as managing member. AE Industrial Partners Fund II, L.P. is controlled by AE Industrial Partners Fund II GP, LP ("AE Fund II GP"), its general partner. Glow C Holdings, LLC, and Glow D Holdings, LLC are controlled by AE Industrial Partners Fund III, LP as managing member. AE Co-Investment Partners Fund III-F, LP and AE Industrial Partners Fund III, LP are controlled by AE Industrial Partners Fund III GP, LP ("AE Fund III GP"), as each entity's general partner. AE Industrial Partners Structured Solutions I, LP is controlled by AE Industrial Partners Structured Solutions I GP, LP ("AE Solutions GP"), its general partner.

(Continued from footnote 1) AE Fund II GP, AE Fund III GP, and AE Solutions GP are each managed by each entity's respective general partner, AeroEquity GP, LLC. AeroEquity GP, LLC is controlled by its managing members, Michael Greene and David Rowe. Messrs. Greene and Rowe make all voting and investment decisions with respect to the securities held by AE Industrial Partners. Each of the entities and individuals named above disclaims beneficial ownership of the securities held by AE Industrial Partners, except to the extent of its pecuniary interest therein.

Held by David Rowe.