Shanghai Shentong Metro Co., Ltd. Announcement on the Subsidiary’s Qualification as a High-Tech Enterprise

Securities Code: 600834 Securities Abbreviation: Shentong Metro Number: Lin 2026-004

Shanghai Shentong Metro Co., Ltd.

Announcement on the Recognition of High-tech Enterprise by Wholly-owned Subsidiary

Special Reminder

The Board of Directors of the company and all directors guarantee that the content of this announcement does not contain any false records, misleading statements, or major omissions, and bear legal responsibility for the truthfulness, accuracy, and completeness of its content.

I. Basic Situation

Recently, Shanghai Shentong Metro Co., Ltd. (hereinafter referred to as “the company”)'s wholly-owned subsidiary Shanghai Metro New Energy Co., Ltd. (hereinafter referred to as “New Energy Company”) received the “High-tech Enterprise Certificate” issued by the Shanghai High-tech Enterprise Recognition Office, certificate number: [GR202531005022], issued on: [December 25, 2025], valid for three years.

II. Qualification Recognition Description and Impact on New Energy Company

The recognition of high-tech enterprises is a comprehensive assessment and recognition by the state of enterprises in terms of core independent intellectual property rights, technological achievement transformation capability, research and development organization management level, growth indicators, and talent structure. The recognition of high-tech enterprise for New Energy Company this time is an authoritative recognition of its technical strength, R&D innovation ability, and sustainable growth, which is beneficial to further enhance the brand image and market competitiveness of New Energy Company. It plays a positive role in attracting and nurturing outstanding talents, strengthening technological innovation, and promoting sustainable business development, in line with the overall development strategy of the company.

According to the “Enterprise Income Tax Law of the People’s Republic of China” and relevant tax policies for high-tech enterprises, New Energy Company can enjoy the relevant tax preferential policies for high-tech enterprises, that is, a reduced corporate income tax rate of 15%, within three years from the year of obtaining high-tech enterprise recognition (i.e., 2025 to 2027). This recognition will help reduce the tax burden of New Energy Company and have a positive impact on its operating performance.

This announcement is hereby made.

Shanghai Shentong Metro Co., Ltd.

Board of Directors

March 18, 2026

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