On the morning of September 1, MACMIC successfully listed on the Shanghai Stock Exchange’s STAR Market (Sci-Tech Innovation Board), with the stock abbreviation MACMIC and stock code 688711. The company offered 24.623334 million shares at an issue price of ￥27.51 per share, raising a total of ￥677.3879 million. This successful listing marks a new chapter in MACMIC’s development, leveraging the power of capital markets to further enhance product technology and added value, providing fresh growth opportunities for the company’s future.

The listing ceremony was attended by Chen Jinhu, the Party Secretary of Changzhou Municipal Committee, Ji Peidong, Standing Committee Member and Minister of the Organization Department of Changzhou Municipal Committee, Fang Guoqiang, Standing Committee Member and Secretary-General of Changzhou Municipal Committee, Li Lin, Deputy Mayor of Changzhou, Zhou Qing, Deputy Party Secretary and Acting District Head of Xinbei District, Feng Henian, Chairman of Minsheng Securities, shareholder and customer representatives, partners, senior management, and representatives from intermediary agencies.

At 9:30 AM, Chen Jinhu, Zhou Qing, Feng Henian, Zhao Shanqi, Chairman of MACMIC Liu Canfang, Chairman of Jiangsu Jiuzhou Investment Group, and Tian Hui, an outstanding employee representative of MACMIC, jointly rang the opening bell, marking the official listing of MACMIC on the STAR Market. The opening price of MACMIC’s stock was ￥78.00, with the stock reaching a peak gain of 228.97%.

During the listing ceremony, Li Lin, the Deputy Mayor of Changzhou, stated:

“Under the leadership of Dr. Zhao Shanqi, MACMIC has adhered to independent innovation, and after fifteen years of hard work, the company has successfully developed new power semiconductor devices and module products that fill a domestic gap. The listing on the STAR Market represents an important milestone in the company’s history. I hope MACMIC, standing at this new starting point, will continue to strengthen its technological core, consistently refine its products, strengthen its main business, and enhance its unique features. The company should aim for even better performance to reward investors and society, contributing to the development of the Changzhou Yangtze River Delta Industry and Technology Innovation Center.”

Zhao Shanqi, Chairman and CEO of MACMIC, expressed:

“MACMIC’s successful listing on the domestic capital market marks a new starting point in the company’s development! From this new beginning, MACMIC’s team will remain committed to our original mission and strive forward. We will continue to adhere to the business philosophy of ‘customer-centric, innovation-driven, and talent-oriented,’ and uphold our goal of ‘becoming an expert in providing power semiconductor device solutions.’ We will increase innovation, improve management, and accelerate our development. Our aim is to achieve mutual success for customers, employees, society, and shareholders, creating more miracles and achievements.”

Since its establishment, MACMIC has focused on the design, research and development, production, and sales of power semiconductor chips, single devices, modules, and power modules, primarily featuring IGBT and FRED products. The company also provides comprehensive power semiconductor solutions. The core components of the IGBT and FRED modules are the IGBT and FRED chips, and the company has the capability to independently develop and design mainstream IGBT and FRED chips. Currently, MACMIC’s product portfolio includes over 100 types of IGBT, FRED, and MOSFET chips and single devices, as well as over 400 types of IGBT, FRED, MOSFET, rectifier diodes, and thyristor modules. The performance and technological capabilities of these products are at the forefront of the

industry. With this successful listing, MACMIC will continue to advance its product platformization and industrialization, further drive the substitution of imported chips, and actively explore new markets in new energy vehicles, renewable energy generation, home appliances, and more. The company will expand its sales channels and increase its market share.