Kostecsys (355150) Q2 2025 earnings summary

Executive summary

• Specializes in high thermal conductivity, low thermal expansion materials for semiconductor, power electronics, and communication industries, with a focus on SiC and GaN-based solutions for thermal management in high-performance environments.

• Main products include RF communication packages, laser diode packages, and power semiconductor spacers, with a strong export orientation and global customer base.

• Significant R&D investment, proprietary technologies, and multiple patents in advanced packaging and thermal management.

Financial highlights

• Revenue for H1 2025 was KRW 6.51 billion, down from KRW 7.50 billion in H1 2024.

• Operating loss for H1 2025 was KRW 824 million, compared to an operating profit of KRW 337 million in H1 2024.

• Net loss for H1 2025 was KRW 824 million, with basic EPS of -112 KRW, compared to net profit of KRW 337 million and EPS of 45 KRW in H1 2024.

• Cash and cash equivalents at June 30, 2025: KRW 546 million (down from KRW 1.12 billion at end-2024).

Outlook and guidance

• Focus on expanding production capacity for next-generation power semiconductor spacers and entering new markets such as AI data centers and electric vehicles.

• Ongoing investments in R&D and facility expansion to support anticipated demand growth in global 5G and EV markets.