Letter of implementation of the opinions of the audit center on Suzhou Uigreen Micro&Nano Technologies Co.Ltd(688661) issuing shares to specific objects ( Suzhou Uigreen Micro&Nano Technologies Co.Ltd(688661) )

Shanghai Stock Exchange document szkss (refinancing) [2022] No. 64

— implementation letter of the opinions of the audit center on Suzhou Uigreen Micro&Nano Technologies Co.Ltd(688661) issuing shares to specific objects Suzhou Uigreen Micro&Nano Technologies Co.Ltd(688661) , Guotai Junan Securities Co.Ltd(601211) : in accordance with the relevant provisions of the securities law, the measures for the administration of securities issuance registration of companies listed on the science and Innovation Board (for Trial Implementation), the rules for the examination and approval of securities issuance and listing of companies listed on the science and Innovation Board of Shanghai Stock Exchange and so on, The exchange has examined the application documents of Suzhou Uigreen Micro&Nano Technologies Co.Ltd(688661) (hereinafter referred to as the company or issuer) for issuing shares to specific objects. The following problems are formed in the meeting of the audit center, which should be implemented:

1、 The issuer is requested to give risk tips on the following matters in the prospectus: the amount involved in this raised investment project is large, there is a certain investment risk in expanding business to the front of integrated circuit manufacturing and substrate test application fields, and the involved technology span is large, the technology R & D capability is not fully available, and some R & D personnel need to be introduced separately.

Please implement the above questions one by one and submit your reply in time. If the reply involves the amendment of the prospectus, please indicate it in bold italics.

Shanghai Stock Exchange

April 5, 2002

Key words: letter of opinions on the implementation of refinancing of science and Innovation Board

Issued by the listing examination center of Shanghai Stock Exchange on April 5, 2022

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