Dear Valued Customers, Partners, and Friends,

We extend our sincere gratitude for your long-standing support! To better align with our business and strategic development, we will officially relocated to our new, larger, and more better equipped headquarters within the East Software Park. The details are as follows:

I. New Address Information and Activation

1. Official Activation Date: Effective January 5, 2026, all headquarters operations, business meetings, and administrative activities will be conducted at the new address.

2. New Office Address: 5F, Technology Building, East Software Park, No. 90 Wensan Road, Xihu District, Hangzhou, Zhejiang Province, China. Visiting guests are kindly advised to use the elevators in Block B area.

II. Important Notes

1. Contact Information: The company's Unified Social Credit Code, telephone numbers, fax number, official email addresses, and business contact personnel remain unchanged.

2. Contract Performance: This change involves only a physical relocation and does not affect the company's legal status or the validity of any existing contracts. We will continue to strictly fulfill all contractual obligations and provide stable, high-quality products and services.

3. Business Procedures: Effective immediately, all business meetings, document exchanges, and visits should be arranged for the new address.

We warmly welcome our partners and customers to visit our new office for guidance and exchange. We apologize for any temporary inconvenience this relocation may cause and sincerely appreciate your understanding. We look forward to embarking on this new chapter and working together to create an even brighter future!

Sincerely,

Hangzhou NationalChip Science and Technology Co., Ltd.

December 25, 2025