Securities Report – 48th Fiscal Period (2025/04/01 – 2026/03/31)

Nippon Seimitsu Corporation Securities Report – 48th Fiscal Period (2025/04/01 – 2026/03/31)

This document is the Securities Report submitted by Nippon Seimitsu Corporation pursuant to Japan's Financial Instruments and Exchange Act, covering the 48th fiscal period from April 1, 2025, to March 31, 2026. It includes the company's operating performance, financial condition, and management policies.

The company primarily engages in the design, manufacturing, and sales of precision mechanical components, supplying products to industries such as automotive, semiconductor manufacturing equipment, optical devices, and medical equipment. With proprietary machining technologies and a robust quality management system, it continues to expand business relationships with major domestic and international manufacturers in applications requiring high precision and reliability.

This report discloses consolidated and individual financial statements, an overview of operating results, financial condition analysis, future outlook, risk factors, executive compensation, and matters related to shares. Its purpose is to provide useful information to investors and other stakeholders.

Going forward, the company will continue striving for sustainable corporate value enhancement and maintain thorough, transparent information disclosure.