Securities Report - 149th Fiscal Period (2025/04/01 - 2026/03/31)

Shin-Etsu Chemical Co., Ltd. Securities Report - 149th Fiscal Period (2025/04/01 - 2026/03/31)

This document is the Securities Report submitted by Shin-Etsu Chemical Co., Ltd. pursuant to the Financial Instruments and Exchange Act, covering the 149th fiscal period from April 1, 2025 to March 31, 2026. It includes management performance, financial condition, business policies, future forecasts, and risk factors.

Established in 1939, the company is a leading chemical manufacturer with global operations in silicon-based products, semiconductor materials, PVC, rare earth materials, and optical fiber chemicals. It holds a top global market share in silicon wafers and silicone-related products.

The report contains consolidated and individual financial statements accompanied by auditor's reports. It also discloses corporate governance practices, executive remuneration, and internal control systems.

Going forward, the company will continue to focus on developing high-value-added products through technological innovation, strengthening global competitiveness, and fulfilling environmental and social responsibilities as core pillars of its management strategy.