Zhu Yue Sample Contracts

JOINT FILING AGREEMENT
Joint Filing Agreement • August 11th, 2025 • Zhu Yue • Services-prepackaged software

The undersigned agree that this Schedule 13G, and any amendments hereto, relating to the ordinary shares, par value of US$0.0001 per share of Lianhe Sowell International Group Ltd, a Cayman Islands exempted company with limited liability whose principal place of business is in Shenzhen, China, shall be filed on behalf of the undersigned.

JOINT FILING AGREEMENT
Joint Filing Agreement • April 16th, 2026 • Zhu Yue • Services-prepackaged software

The undersigned agree that this Schedule 13D, and any amendments hereto, relating to the Class A ordinary shares, par value of US$0.0001 per share and Class B ordinary shares, par value of US$0.0001 per share of Lianhe Sowell International Group Ltd, a Cayman Islands company whose principal place of business is in Shenzhen, Guangdong Province, China, shall be filed on behalf of the undersigned.

JOINT FILING AGREEMENT
Joint Filing Agreement • July 2nd, 2026 • Zhu Yue • Services-prepackaged software

The undersigned agree that this Schedule 13D, and any amendments hereto, relating to the Class A ordinary shares, par value of US$0.0016 per share and Class B ordinary shares, par value of US$0.0016 per share of Lianhe Sowell International Group Ltd, a Cayman Islands company whose principal place of business is in Shenzhen, Guangdong Province, China, shall be filed on behalf of the undersigned.