1-1 Shenzhen Stock Exchange: In accordance with your issued "Inquiry Letter Regarding Nanjing Sanchao New Materials Co., Ltd.'s Application for Targeted Stock Issuance" (Inquiry Letter [2026] No. 020039) (hereinafter referred to as "Inquiry Letter"), Nanjing Sanchao New Materials Co., Ltd. (hereinafter referred to as "the Issuer," "the Company," "the Listed Company," or "Sanchao New Materials") and relevant intermediary institutions have conducted thorough discussions and analyses regarding the questions raised in the Inquiry Letter. As required, supplementary disclosures have been made in the "Nanjing Sanchao New Materials Co., Ltd. 2025 Targeted Issuance of A Shares and Listing on the Growth Enterprise Market Prospectus (Draft)" (hereinafter referred to as "the Prospectus"). The relevant responses are as follows. The reporting period referred to in this response (hereinafter referred to as "this Response") includes the years 2023, 2024, 2025, and the first three months of 2026. Unless otherwise specified, the terms or abbreviations used in this Response have the meanings defined in the "Definitions" section of the Prospectus. In this Response, if the sum of individual items differs from the total due to rounding, it is due to rounding. The financial data and indicators cited in this Response, unless otherwise specified, refer to the consolidated financial data and the financial indicators calculated based on such data. The questions listed in the Inquiry Letter are in bold font, the responses to the questions in the Inquiry Letter and references to the Prospectus are in regular font, and the modifications and supplements to the Prospectus are in italic bold font.
1-2 Table of Contents Table of Contents................................................................................................................. 2 Question 1.......................................................................................................................... 3 Question 2.......................................................................................................................... 76 Other Matters................................................................................................................... 116