Massachusetts Solid Energy (Shanghai) New Energy Technology Co., Ltd.

Massachusetts Solid Energy's predecessor was SolidEnergy Systems. Its founder, Hu Qizhao, graduated from MIT with a bachelor's degree in physics. In 2012, he obtained a Ph.D. in applied physics from Harvard University and founded SES the same year, subsequently engaging in cutting-edge lithium metal battery research and development. Massachusetts Solid Energy positions itself as a comprehensive lithium metal battery manufacturer, with business covering materials, cells, modules, AI-based battery safety algorithms, and battery recycling and reuse. Its headquarters is in Singapore, and it operates in Boston, Shanghai, and Seoul. On February 4, 2022, SES headquarters completed a business combination with Ivanhoe Capital Acquisition Corp. and was officially listed on the New York Stock Exchange. The combined company is named SES AI Corporation, with its Class A common stock and warrants trading under the tickers SES and SES WS, respectively.