(Jiao Da Sinuo): Shareholder Zhao Ming plans to reduce holdings of company shares by 0.58%.

Sino Announcement of Shanghai Jiaotong University: Shareholder Zhao Ming, holding 4.536 million shares, accounting for 5.22% of the total shares, plans to reduce the holdings by no more than 500,000 shares, accounting for 0.58% through block trading or bulk trading within three months after the 15th trading day after the disclosure of this announcement due to personal capital needs.