AEVEX Corp.

GLOSSARY

As used in this Quarterly Report on Form 10-Q, unless the context otherwise requires, references to:

•“AEVEX,” the “Company,” “our company,” “we,” “us” and “our” means (i) prior to the consummation of the Organizational Transactions, Holdings LLC and its consolidated subsidiaries and (ii) after the Organizational Transactions, AEVEX Corp. and its consolidated subsidiaries.

•“Blocker Entity” refers to the entity that was the owner of membership interests in Holdings LLC prior to the Organizational Transactions that is taxable as a corporation for U.S. federal income tax purposes.

•“Class A common stock” means Class A common stock, par value $0.0001 per share, of AEVEX Corp.

•“Class B common stock” means Class B common stock, par value $0.0001 per share, of AEVEX Corp.

•“Exchange Agreement” means the exchange agreement, dated as of April 16, 2026, by and among AEVEX Corp. and ATS Investment Holdings, LLC (“ATS Investment Holdings”).

•“Holdings LLC” means Athena Technology Solutions Holdings, LLC, a Delaware limited liability company and, following the Organizational Transactions, a subsidiary of AEVEX Corp.

•“IPO” refers to our initial public offering completed on April 20, 2026, and through which we offered 18,400,000 shares of our Class A common stock, which included the exercise in full by the underwriters of their option to purchase an additional 2,400,000 shares of our Class A common stock, at a price to the public of $20.00 per share.

•“LLC Operating Agreement” means the Third Amended and Restated Limited Liability Company Agreement of Holdings LLC dated as of April 17, 2026.

•“LLC Units” means the Series A and Series B membership units of Holdings LLC that as a result of the Organizational Transactions replaced the membership interests in Holdings LLC (i.e., Class A units) that existed immediately prior to the consummation of the Organizational Transactions. The Series A units and Series B units each represents a substantially identical interest in Holdings LLC, except that Series A units are only held by AEVEX Corp. and Series B units are held by ATS Investment Holdings, who also holds a corresponding number of shares of Class B common stock. Each LLC Unit entitles the holder to a pro rata share of the net profits and net losses and distributions of Holdings LLC. Holders of LLC Units have no voting rights, except as expressly provided in the LLC Operating Agreement. Series B units are not entitled to any voting rights with respect to AEVEX Corp., as the holders of such units are entitled to exercise voting rights through their corresponding shares of Class B common stock.

•“LLC Unitholders” means collectively, the owners of membership interests in Holdings LLC immediately prior to the consummation of the Organizational Transactions, and following the Organizational Transactions, AEVEX Corp. and ATS Investment Holdings, which became holders of Series A units, or Series B units and shares of our Class B common stock, respectively. ATS Investment Holdings (or certain of its permitted transferees) is entitled to exchange, at its option, from time to time, its Series B units, together with an equal number of shares of Class B common stock, for shares of our Class A common stock on a one-for-one basis or, at our election, for cash, from a substantially concurrent public offering or private sale (based on the price of our Class A common stock in such public offering or private sale). In connection with an exchange of Series B units, a corresponding number of shares of Class B common stock, as applicable, shall be immediately and automatically transferred to AEVEX Corp. for no consideration and canceled.

•“New Credit Agreement” means the credit agreement, dated as of April 20, 2026, by and between AEVEX Holdings, LLC (the “Borrower”), an operating company of the Company, Athena Technology Solutions Purchaser, LLC, the lenders from time to time party thereto and Bank of America, N.A., as the administrative agent, collateral agent, an issuing bank and a swing line lender.

•“New Term Loan Facility” means the $100.0 million senior secured term loan facility under the New Credit Agreement.

iii

•“New Delayed Draw Term Loan Facility” means the $75.0 million senior secured delayed draw term loan facility under the New Credit Agreement.

•“New Revolving Credit Facility” means the $200.0 million senior secured revolving credit facility under the New Credit Agreement, which includes a sublimit for the issuance of letters of credit in an amount up to $40.0 million and a sublimit for swing line loans in an amount up to $30.0 million.

•“New Credit Facilities” means the New Revolving Credit Facility together with the New Term Loan Facility and the New Delayed Draw Term Loan Facility under the New Credit Agreement.

•“Organizational Transactions” refers to the organizational transactions completed by the Company in connection with the IPO, as described in Note 1, Organization, to the unaudited condensed consolidated financial statements included herein.

•“Principal Stockholder” means funds and investment vehicles managed or controlled by Madison Dearborn Partners, LLC.

•“Prior Credit Facilities” means our former term loan and revolving credit facilities that were governed by that certain Credit Agreement, dated as of March 18, 2020 (as amended) by and among the Borrower, a syndicate of lenders, Ankura Trust Company, LLC, as administrative agent and PNC Bank, National Association as revolving agent and collateral agent.

•“Secondary Offering” refers to the offering of 8,000,000 shares of our Class A common stock completed on June 5, 2026, which included 5,726,157 shares offered by us and 2,273,843 shares offered by the selling securityholders, in each case at a price to the public of $27.00 per share. We used the net proceeds from this offering to purchase 5,726,157 Series B units, together with an equivalent number of shares of Class B common stock, from certain direct and indirect members of ATS Investment Holdings, including entities controlled by the Principal Stockholder. We did not receive proceeds from the sale of the shares of Class A common stock offered by the selling securityholders. The Secondary Offering did not increase the Company’s total shares outstanding and did not lead to shareholder dilution.

•“Tax Receivable Agreement” means the tax receivable agreement, dated April 16, 2026, by and among the Company, Holdings LLC and the TRA Rights Holders.

•“TRA Rights Holders” refers to, collectively, certain of the direct and indirect owners in Holdings LLC, including our Principal Stockholder.

iv