Settlement Agreement and Mutual Release among ScanTech Identification Beam Systems, LLC, ScanTech AI Systems, Inc., and Aegus Corporation

A.On January 8, 2020, ScanTech and Aegus entered into that certain Consulting Agreement (as amended, the “Consulting Agreement”), which contemplated the payment of certain compensation for equity and debt financing or sale of ScanTech during the term of the Agreement and for a period of two (2) years thereafter.

B.On September 5, 2023, ScanTech entered into a Business Combination Agreement (as amended from time to time, the “BCA”) with Mars Acquisition Corp., a Cayman Island exempted company (“Mars”), ScanTech AI Systems Inc., a Delaware corporation and a wholly owned subsidiary of Mars (“Pubco”) and the other parties thereto (the “Transaction”).

C.The Parties now wish to settle and resolve all compensation obligations and other claims arising from or related to the Consulting Agreement upon the following terms:

1.Settled Claims. In connection with the restructuring and reorganization of ScanTech, subject to the terms and conditions of this Agreement, Aegus hereby agrees to terminate the Consulting Agreement at the consummation of the merger as described in the BCA and to accept in lieu of and in exchange for the compensation obligations set forth in the Consulting Agreement, as follows:

2.Responsible Sales. Aegus agrees to sell its shares in a manner that is consistent with responsible trading practices, aiming to preserve the long-term value of the Pubco Common Stock and to minimize any undue disruption to the market for said shares. Aegus shall take into account prevailing market conditions, including trading volumes and price movements, and shall encourage its designated brokers to conduct sales using execution methods that promote market stability, such as execution algorithms or other mechanisms designed to minimize volatility and integrate sales within normal market flows. Aegus shall at all times endeavor to avoid sales that would adversely affect the price of Pubco Common Stock, particularly during periods of low liquidity or high market sensitivity.

3.Attorneys’ Fees. Each Party agrees to bear its own attorneys’ fees and costs incurred in connection with the Settled Claims.

4.Release by Aegus. Aegus, on behalf of itself, its Affiliates, agents, securityholders, representatives, attorneys, advisors, employees, officers, managers, directors, partners, administrators, predecessors, successors, heirs and assigns, hereby fully and forever releases and discharges each of ScanTech, Pubco, NACS, John Redmond, Dolan Falconer and each of their Affiliates (as defined in the BCA) from any and all claims, demands, rights, obligations, liabilities and causes of action, known or unknown, contingent or non-contingent, liquidated or unliquidated, matured, anticipated or unanticipated, in any way arising from or related to the Settled Claims (including with respect to any (x) amounts that are currently due or may become payable to a Aegus or an Affiliate thereof, including, with limitation, amounts described or deemed to be expenses, reimbursements, indemnities, retainers, advisory, performance or transaction fees, principal or accrued interest under promissory notes, or otherwise, or (y) securities of ScanTech, Pubco or any of their Affiliates), except for those claims arising from the breach of, or enforcement of, this Agreement. Aegus acknowledge that, to the extent not already terminated, any Contract (as defined in the BCA) between any Aegus or its Affiliates, on the one hand, and ScanTech, NACS or any of their Affiliates, on the other hand, in effect as of the date hereof shall be deemed terminated and shall be of no further force or effect. Notwithstanding the aforementioned, Aegus shall not release ScanTech from any associated cash payable due to Aegus as of the date of the consummation of the Business Combination.

5.Release by ScanTech, PubCo, and NACS. Each of ScanTech, Pubco, NACS, on behalf of itself, its Affiliates, agents, securityholders, representatives, attorneys, advisors, employees, officers, managers, directors, partners, administrators, predecessors, successors, heirs and assigns, hereby fully and forever releases and discharges Aegus and each of its Affiliates from any and all claims, demands, rights, obligations, liabilities and causes of action, known or unknown, contingent or non-contingent, liquidated or unliquidated, matured, anticipated or unanticipated, in any way arising from or related to the Settled Claims, except for those claims arising from the breach of, or enforcement of, this Agreement. NACS, ScanTech and PubCo acknowledge that, to the extent not already terminated, any Contract (as defined in the BCA) between Aegus or its Affiliates, on the one hand, and ScanTech, NACS, PubCo or any of their Affiliates, on the other hand, in effect as of the date hereof shall be deemed terminated and shall be of no further force or effect.

6.Miscellaneous Provisions

6.1Each Party hereto has had a reasonable and sufficient opportunity to consult with independent counsel concerning the nature, scope, and effect of all the terms hereof. The Parties hereto acknowledge that they executed this Agreement freely and voluntarily and under no threat, menace, coercion or duress, whether economic or physical from any party. The Parties further acknowledge that they executed this Agreement acting on their independent judgment and/or upon the advice of their respective counsel, without any representation, express or implied, or any kind from any other party, except as specifically set forth herein. Each Party will keep the terms of this Agreement confidential, except (i) from the parties to the BCA and its and their officers, directors, employees and professional service providers who, in each case, have a “need to know” to implement the terms of this Agreement, (ii) to enforce the terms of the Agreement, and (iii) as required by applicable law or regulation (including, without limitation, any rule, regulation or policy statement of any national securities exchange, market or automated quotation system).

6.2The Parties agree that, should any provision of this Agreement be found to be ambiguous in any way, such ambiguity shall not be resolved by construing the Agreement in favor of or against any Party hereto but rather by construing the terms of this Agreement fairly and reasonably in accordance with their generally accepted meaning.

6.3The Parties agree that they are making this Agreement solely for the purpose of resolving any disputes which exist as of or before the execution of this Agreement with respect to the Settled Claims and that neither the making of this Agreement nor the acceptance of the benefits of this Agreement shall be deemed admissions by any of the parties of any fact, matter, fault, wrong-doing or liability.

6.4This Agreement may be executed in one or more counterparts and when executed, the facsimile copies of said counterpart shall constitute a single valid agreement. Counterparts may be delivered via electronic mail (including pdf or any electronic signature complying with the U.S. federal ESIGN Act of 2000, e.g., www.docusign.com) or other transmission method and any counterpart so delivered shall be deemed to have been duly and validly delivered and be valid and effective for all purposes.