• RF Materials won a supply contract for pump laser packages for Lumentum, valued at USD 9.8 million.
• Deal runs from Sept. 24, 2026 to May 10, 2027, with deliveries to the U.S.
• Contract value equals KRW 13.25 billion, about 20.68% of 2025 consolidated revenue.
• Counterparty listed as Metallife-USA, with payment terms set at net 60 days.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. RF Materials Co. Ltd. published the original content used to generate this news brief via DART, the regulatory disclosure system operated by the South Korea Financial Supervisory Service (FSS) (Ref. ID: 20260928900239), on September 28, 2026, and is solely responsible for the information contained therein.