VSEC

The reporting person is voluntarily reporting the acquisition of shares of the Issuer's common stock pursuant to the VSE Corporation 2021 Employee Stock Purchase Plan. This transaction is exempt under Rule 16b-3(c).

Represents shares issued for the quarterly cash retainer for service as a director.

Represents shares issued for a portion of the quarterly cash retainer for service as a director.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions on June 12, 2026 at prices ranging from $195.85 to $197.46. 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 ranges set forth in this footnote.

On May 20, 2026, the reporting person transferred 136 shares of VSE common stock to the Mark E. Ferguson III Revocable Trust for no consideration. The reporting person and his spouse are co-trustees of the trust, and the reporting person's two children are sole beneficiaries of the trust.

Represents shares issued for a portion of the quarterly cash retainer for service as a director.

Represents shares issued for a portion of the quarterly cash retainer for service as a director.

Represents withholding of shares of VSE common stock for the tax liability associated with the vesting of RSUs and PRSUs.

Represents acquisition of shares of VSE common stock upon vesting of PRSUs that were granted on March 10, 2023 for the performance period ended December 31, 2025.

Represents acquisition of shares of VSE common stock upon vesting of RSUs that were granted on March 10, 2023.

Each restricted stock unit represents a right to receive one share of VSEC common stock.

Represents acquisition of shares of VSE common stock upon vesting of PRSUs that were granted on March 10, 2023 for the performance period ended December 31, 2025.

Each restricted stock unit represents a right to receive one share of VSEC common stock.

These restricted stock units granted on March 10, 2023 vest in three substantially equal installments.

Each restricted stock unit represents a right to receive one share of VSEC common stock.

These restricted stock units granted on March 10, 2023 vest in three substantially equal installments.

Represents withholding of shares of VSE common stock for the tax liability associated with the vesting of RSUs and PRSUs.

Represents acquisition of shares of VSE common stock upon vesting of RSUs that were granted on March 10, 2023.

Each restricted stock unit represents a right to receive one share of VSEC common stock.

Represents withholding of shares of VSE common stock for the tax liability associated with the vesting of RSUs and PRSUs.

Represents withholding of shares of VSE common stock for the tax liability associated with the vesting of RSUs and PRSUs.

Represents withholding of shares of VSE common stock for the tax liability associated with the vesting of RSUs and PRSUs.

Represents acquisition of shares of VSE common stock upon vesting of RSUs that were granted on March 8, 2024.

Each restricted stock unit represents a right to receive one share of VSEC common stock.

Represents acquisition of shares of VSE common stock upon vesting of PRSUs that were granted on March 8, 2024 for the performance period ended December 31, 2025.

Represents acquisition of shares of VSE common stock upon vesting of PRSUs that were granted on March 8, 2024 for the performance period ended December 31, 2025.

Each restricted stock unit represents a right to receive one share of VSEC common stock.

These restricted stock units granted on March 8, 2024 vest in three substantially equal installments.

Represents acquisition of shares of VSE common stock upon vesting of RSUs that were granted on September 11, 2024.

Each restricted stock unit represents a right to receive one share of VSEC common stock.

Each restricted stock unit represents a right to receive one share of VSEC common stock.

These restricted stock units granted on March 8, 2024 vest in three substantially equal installments.

Represents acquisition of shares of VSE common stock upon vesting of PRSUs that were granted on September 11, 2024 for the performance period ended December 31, 2025.

Represents acquisition of shares of VSE common stock upon vesting of RSUs that were granted on March 8, 2024.

Each restricted stock unit represents a right to receive one share of VSEC common stock.

Each restricted stock unit represents a right to receive one share of VSEC common stock.

These restricted stock units granted on September 11, 2024 vest in three substantially equal installments.

Represents withholding of shares of VSE common stock for the tax liability associated with the vesting of RSUs and PRSUs.

Represents withholding of shares of VSE common stock for the tax liability associated with the vesting of RSUs and PRSUs.

Represents withholding of shares of VSE common stock for the tax liability associated with the vesting of RSUs and PRSUs.

Represents acquisition of shares of VSE common stock upon vesting of RSUs that were granted on February 28, 2025.

Each restricted stock unit represents a right to receive one share of VSEC common stock.

Represents acquisition of shares of VSE common stock upon vesting of RSUs that were granted on February 28, 2025.

Each restricted stock unit represents a right to receive one share of VSEC common stock.

Represents acquisition of shares of VSE common stock upon vesting of PRSUs that were granted on February 28, 2025 for the performance period ended December 31, 2025.

Each restricted stock unit represents a right to receive one share of VSEC common stock.

These restricted stock units granted on February 28, 2025 vest in three substantially equal installments.

Represents acquisition of shares of VSE common stock upon vesting of PRSUs that were granted on February 28, 2025 for the performance period ended December 31, 2025.

Each restricted stock unit represents a right to receive one share of VSEC common stock.

These restricted stock units granted on February 28, 2025 vest in three substantially equal installments.

Each restricted stock unit represents a right to receive one share of VSEC common stock.

These restricted stock units granted on February 28, 2025 vest in three substantially equal installments.

Represents acquisition of shares of VSE common stock upon vesting of RSUs that were granted on February 28, 2025.

Each restricted stock unit represents a right to receive one share of VSEC common stock.

Represents acquisition of shares of VSE common stock upon vesting of PRSUs that were granted on February 28, 2025 for the performance period ended December 31, 2025.

Each restricted stock unit represents a contingent right to receive one share of VSEC common stock.

The restricted stock units will generally vest in substantially equal installments on each of February 27, 2027, February 27, 2028, and February 27, 2029.

Each restricted stock unit represents a contingent right to receive one share of VSEC common stock.

The restricted stock units will generally vest in substantially equal installments on each of February 27, 2027, February 27, 2028, and February 27, 2029.

Each restricted stock unit represents a contingent right to receive one share of VSEC common stock.

The restricted stock units will generally vest in substantially equal installments on each of February 27, 2027, February 27, 2028, and February 27, 2029.

On February 17, 2026, the reporting person transferred 808 shares of VSE common stock to the Mark E. Ferguson III Revocable Trust for no consideration. The reporting person and his spouse are co-trustees of the trust, and the reporting person's two children are sole beneficiaries of the trust.

Represents shares issued as part of the annual compensation for service as a director.

Represents shares issued as part of the annual compensation for service as a director.

Represents shares issued as part of the annual compensation for service as a director.

Represents shares issued as part of the annual compensation for service as a director.

Represents shares issued as part of the annual compensation for service as a director.