I. Overview of the Transaction
To actively promote the company's international strategy and continuously expand overseas markets, OYH Brazil Ltda. (hereinafter referred to as "OYH Brazil" or "Buyer"), a wholly-owned subsidiary of the company, signed a Share Purchase Agreement and Other Covenants (hereinafter referred to as "Share Purchase Agreement") on November 19, 2025 (Brazil time November 18, 2025) with individuals OTTOMASCARENHAS SILVA (hereinafter referred to as "Otto"), HAMBER MARQUES FONSECA (hereinafter referred to as "Hamber"), LUIZ SANTOS LEAL (hereinafter referred to as "Luiz"), WALTER MAURICIO FERREIRA DE FREITAS (hereinafter referred to as "Walter"), and HUMBERTO RIBEIRO BENINI (hereinafter referred to as "Humberto", collectively referred to as "Counterparties" or "Sellers"). The agreement stipulates that OYH Brazil intends to invest approximately 108 million Brazilian Reais (approximately 144 million RMB based on the exchange rate published by the Central Bank of Brazil on the signing date) to acquire 60% equity in Novakem Indústria Química Ltda. (hereinafter referred to as "Novakem" or "Target Company") held by the Counterparties (hereinafter referred to as "this transaction"). Upon completion of this transaction, OYH Brazil will ho