Series A Units	3 Months Ended
Mar. 31, 2025
Series A Units
Series A Units	NOTE 15 — Series A Units Series A Units As of December 31, 2024, the Legacy Company had 9,965,000 Series A units authorized and outstanding with a stated value of $1 per unit. Series A Units entitle the holder to receive an eight percent per annum rate of return on the unrecovered capital contribution of such holder. Mezzanine Classification Series A units held by NACS are redeemable at any time if the Legacy Company has not carried out either a Qualified IPO or Change of Control (as defined in the ScanTech Operating Agreement). These Series A units are classified as “mezzanine” and are accounted for under the ASC accounting topics as Debt — Debt With Conversion and Other Options (Subtopic 470-20) and Derivatives and Hedging — Contracts in Entity’s Own Equity (Subtopic 815-40): Accounting for Convertible Instruments and Contracts in an Entity’s Own Equity. S99-3A(2) of the SEC’s Accounting Series Release No. 268 (“ASR 268”) requires preferred securities that are redeemable for cash or other assets to be classified outside of permanent equity if they are redeemable (i) at a fixed or determinable price on a fixed or determinable date, (ii) at the option of the holder or (iii) upon the occurrence of an event that is not solely within the control of the issuer. Preferred securities that are mandatorily redeemable are required to be classified by the issuer as liabilities whereas under ASR 268, an issuer should classify a preferred security whose redemption is contingent on an event not entirely in control of the issuer as mezzanine equity. If the Legacy Company has not carried out either a qualified IPO or a change of control within five years after the date of the NACS Purchase Agreement, which was dated August 2013, NACS may require the Legacy Company to redeem any portion of its Series A Units at any time. Accordingly, as the contingent redemption is not solely in control of the Legacy Company, the Legacy Company determined that the Series A units should be treated as mezzanine equity. Liquidation Preference The Series A units rank, with respect to distribution rights and rights on liquidation, winding-up and dissolution, (i) senior and in priority of payment to the Legacy Company’s Series B and C units and (ii) junior in priority of payment to the Legacy Company’s creditors. Voting The Series A units confer no voting rights, except as otherwise required by applicable law. Other Accounting Matters FASB ASC 815 generally requires an analysis of embedded terms and features that have characteristics of derivatives to be evaluated for bifurcation and separate accounting in instances where their economic risks and characteristics are not clearly and closely related to the risks of the host contract. The Legacy Company performed an evaluation and determined Series A and the host instrument is more akin to equity. The Legacy Company identified certain embedded redemption features which it evaluated for bifurcation and determined no bifurcation of these embedded or conversion features was required. Dividends on redeemable Series A units are included in Accumulated Deficit and accrued in Series A units subject to possible redemption. As of December 31, 2024, the Legacy Company had Series A units subject to possible redemption of $28,895,316. This includes the original investment in the amount of $10,000,000. Upon the closing of the Business Combination, the total balance of $28,895,316 was written off as an adjustment to additional paid in capital.

Series A Units

3 Months Ended

Mar. 31, 2025

NOTE 15 — Series A Units

Series A Units

As of December 31, 2024, the Legacy Company had 9,965,000 Series A units authorized and outstanding with a stated value of $1 per unit. Series A Units entitle the holder to receive an eight percent per annum rate of return on the unrecovered capital contribution of such holder.

Mezzanine Classification

Series A units held by NACS are redeemable at any time if the Legacy Company has not carried out either a Qualified IPO or Change of Control (as defined in the ScanTech Operating Agreement). These Series A units are classified as “mezzanine” and are accounted for under the ASC accounting topics as Debt — Debt With Conversion and Other Options (Subtopic 470-20) and

Derivatives and Hedging — Contracts in Entity’s Own Equity (Subtopic 815-40): Accounting for Convertible Instruments and Contracts in an Entity’s Own Equity.

S99-3A(2) of the SEC’s Accounting Series Release No. 268 (“ASR 268”) requires preferred securities that are redeemable for cash or other assets to be classified outside of permanent equity if they are redeemable (i) at a fixed or determinable price on a fixed or determinable date, (ii) at the option of the holder or (iii) upon the occurrence of an event that is not solely within the control of the issuer. Preferred securities that are mandatorily redeemable are required to be classified by the issuer as liabilities whereas under ASR 268, an issuer should classify a preferred security whose redemption is contingent on an event not entirely in control of the issuer as mezzanine equity. If the Legacy Company has not carried out either a qualified IPO or a change of control within five years after the date of the NACS Purchase Agreement, which was dated August 2013, NACS may require the Legacy Company to redeem any portion of its Series A Units at any time. Accordingly, as the contingent redemption is not solely in control of the Legacy Company, the Legacy Company determined that the Series A units should be treated as mezzanine equity.

Liquidation Preference

The Series A units rank, with respect to distribution rights and rights on liquidation, winding-up and dissolution, (i) senior and in priority of payment to the Legacy Company’s Series B and C units and (ii) junior in priority of payment to the Legacy Company’s creditors.

Voting

The Series A units confer no voting rights, except as otherwise required by applicable law.

Other Accounting Matters

FASB ASC 815 generally requires an analysis of embedded terms and features that have characteristics of derivatives to be evaluated for bifurcation and separate accounting in instances where their economic risks and characteristics are not clearly and closely related to the risks of the host contract. The Legacy Company performed an evaluation and determined Series A and the host instrument is more akin to equity. The Legacy Company identified certain embedded redemption features which it evaluated for bifurcation and determined no bifurcation of these embedded or conversion features was required.

Dividends on redeemable Series A units are included in Accumulated Deficit and accrued in Series A units subject to possible redemption.

As of December 31, 2024, the Legacy Company had Series A units subject to possible redemption of $28,895,316. This includes the original investment in the amount of $10,000,000. Upon the closing of the Business Combination, the total balance of $28,895,316 was written off as an adjustment to additional paid in capital.