August 2025

NEWS closing of the Business Combination, the security holders of UYSC will be entitled to receive ordinary shares of Isdera Inc. The Transaction, which has been unanimously approved by both UYSC and Isdera Group Limited’s board of directors, is subject to regulatory approvals, the approvals by the shareholders of UYSC and Isdera Group Limited, respectively, as well as the satisfaction of certain other customary closing conditions, including, among others, a registration statement, of which the proxy statement/ prospectus forms a part, being declared effective by the U.S. Securities and Exchange Commission (the “SEC”), and the approval of the combined company’s listing application by Nasdaq. The description of the Business Combination contained herein is only a summary and is qualified in its entirety by reference to the Merger Agreement relating to the Business Combination. A more detailed description of the Transaction and a copy of the Merger Agreement will be included in a Current Report on Form 8-K to be filed by UYSC with the SEC and will be available on the SEC’s website at www.sec.gov. Isdera Group Limited Announces Entering into a Merger Agreement with UY Scuti Acquisition Corp. Isdera Group Limited, a Cayman Islands company, a company that shall become the parent company of Xinghui Automotive Technology (Hainan) Co., Ltd, a company in the business of designing automobiles in the People’s Republic of China, announced that it has entered into an Agreement and Plan of Merger on July 18, 2025 for a business combination with UY Scuti Acquisition Corp., a special purpose acquisition company incorporated in the Cayman Islands (“UYSC”). Upon consummation of the transaction contemplated by the Merger Agreement, (i) UYSC will be merged with and into Isdera Inc, a company to be formed in the Cayman Islands as an exempted company and wholly-owned subsidiary of UYSC (the “SPAC Merger”), and (ii) concurrently with the SPAC Merger, Isdera Technology Limited, a company to be formed in the Cayman Islands as an exempted company and wholly-owned subsidiary of Isdera Inc, will be merged with and into Isdera Group, resulting in Isdera Group being a wholly owned subsidiary of Isdera Inc (the “Business Combination” and the transactions in connection with the Business Combination collectively, the “Transaction”). Upon the closing of the Transaction, the combined company, Isdera Inc expects to be listed on the Nasdaq Capital Market (“Nasdaq”) under a new ticker symbol. Isdera Group Overview Isdera Group is an industrial automotive enterprise with global ambitions. Headquartered in China and backed by robust design and research and development (“R&D”) capabilities, the Company entered the ultra-luxury supercar industry by acquiring the iconic German marque ISDERA, known for its legacy of handcrafted performance vehicles. Under the Company’s stewardship, ISDERA is undergoing a strategic transformation intended to revitalize the brand by expanding into both combustion-engine and electric supercar segments, supported by in-house R&D centers. Isdera Group is dedicated to achieving value in the high-growth and highmargin supercar market by leveraging its design capabilities with this heritage-driven brand story. Key Transaction Terms Under the terms of the Merger Agreement, UYSC will merge with and into its own wholly owned subsidiary, Isdera Inc, which will become a publicly listed entity and its wholly owned subsidiary, Isdera Technology Limited, shall merge with Isdera Group Limited, with Isdera Group Limited being the surviving company with the end result being Isdera Inc as the publicly listed company on Nasdaq. At the effective time of the Transaction, Isdera Group Limited’s shareholders will receive ordinary shares of Isdera Inc. The shares held by certain Isdera Group Limited shareholders will be subject to lock-up agreements for a period of 180 days following the closing of the Transaction, subject to certain exceptions. Upon

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