Rockontrol Technology Group Co.Ltd(688051) : Everbright Securities Company Limited(601788) special verification opinions on the deposit and use of raised funds in Rockontrol Technology Group Co.Ltd(688051) 2021

Everbright Securities Company Limited(601788)

About Rockontrol Technology Group Co.Ltd(688051)

Special verification opinions on the deposit and use of raised funds in 2021

Everbright Securities Company Limited(601788) (hereinafter referred to as ” Everbright Securities Company Limited(601788) ” or “recommendation institution”) serves as the recommendation institution and continuous supervision institution of Rockontrol Technology Group Co.Ltd(688051) (hereinafter referred to as “company”, ” Rockontrol Technology Group Co.Ltd(688051) “) for the initial public offering of A-shares and listing on the science and innovation board. In accordance with the measures for the administration of securities issuance and listing recommendation business and the guidelines for the application of self regulatory rules for companies listed on the science and Innovation Board of Shanghai Stock Exchange No. 1 – standardized operation In accordance with the provisions of regulations and documents such as the guidelines for the supervision of listed companies No. 2 – regulatory requirements for the management and use of raised funds by listed companies, he was responsible for the continuous supervision after Rockontrol Technology Group Co.Ltd(688051) listing, and carefully verified the deposit and use of raised funds in Rockontrol Technology Group Co.Ltd(688051) 2021. The verification results and opinions are as follows. 1、 Deposit and use of raised funds

With the approval of zjxk [2020] No. 266 document of China Securities Regulatory Commission, Rockontrol Technology Group Co.Ltd(688051) publicly issued 19334000 ordinary shares (A shares) at the issuance price of 50.81 yuan per share on March 10, 2020. The total amount of funds raised in this issuance was 982360500 yuan, The raised funds after deducting the underwriting and recommendation fees of 943433 million yuan (the actual underwriting and recommendation fees excluding tax are 963433 million yuan, and 2 million yuan has been prepaid in the early stage) are 888017200 yuan. After deducting other issuance expenses paid by the company, the actual net raised funds are 864368800 yuan. All the above raised funds were received on March 16, 2020, verified by Tianjian Certified Public Accountants (special general partnership) and issued a capital verification report (Tianjian Yan [2020] No. 3-9).

In 2021, the company used a total of 196494200 yuan of raised funds. As of December 31, 2021, the company had used a total of 621820600 yuan of raised funds. The balance of unused raised funds is RMB 261206900 (including the net amount of interest income from raised funds deducting bank charges, etc. of RMB 18658700).

The company has formulated Rockontrol Technology Group Co.Ltd(688051) raised funds management system (hereinafter referred to as “raised funds management system”), which has been deliberated and approved by the third extraordinary general meeting of shareholders in 2019, and has made clear provisions on the storage, use, investment direction change, management and supervision of raised funds. The company manages and uses the raised funds in strict accordance with the provisions of the raised funds management system.

The company and the sponsor of the company and the recommendation body of the company and the company and the sponsor of the company and the company of the company and the sponsor of the company and the company of the company and the sponsor of the 60178ofthe thesub branch has signed the tripartite supervision agreement on the storage of special account for raised funds (hereinafter referred to as the “tripartite supervision agreement”), There is no significant difference between the agreement and the tripartite supervision agreement (model) on the storage of special account for raised funds of Shanghai Stock Exchange.

The initial raised funds of the company are stored as follows:

Unit: 10000 yuan

Subject amount of funds raised in the special account of the bank account for the name of the project invested by raising funds

Jiahuake over raised funds China Merchants Bank Co.Ltd(600036) 3519001077106033643688 Beijing Fengtai Science and Technology Park sub branch

Jiahuake atmospheric environment AI big data Bank Of China Limited(601988) 32857018250840000.00 technology system construction project Beijing optical electromechanical sub branch

Jiahuake urban artificial intelligence software Bank Of Hangzhou Co.Ltd(600926) 110104016 Shenzhen Properties & Resources Development (Group) Ltd(000011) 728727000.00 technology R & D and industrialization project Beijing Branch

Jiahua Keyun chain database sharing and delivery to Shanghai Pudong Development Bank Co., Ltd

Technology exchange platform upgrade R & D Project Co., Ltd. Taiyuan Branch 680100788012 Shenzhen Zhongheng Huafa Co.Ltd(000020) 011500.00 items

Jiahuake environmental intelligent sensor upgraded to China China Everbright Bank Company Limited Co.Ltd(601818) Co., Ltd. 753301880 Shanxi Tond Chemical Co.Ltd(002360) 631500.00 technology level R & D project company Taiyuan Binzhou road sub branch

Total —– 8643688

The company held the eighth meeting of the second board of directors and the second meeting of the second board of supervisors on April 8, 2020, deliberated and approved the proposal on changing the implementation subject of some raised investment projects and using the raised funds to increase capital to wholly-owned subsidiaries to implement raised investment projects, and agreed to change the “construction project of atmospheric environment AI big data system” The implementation entities of “cloud chain database sharing and exchange platform upgrading R & D project” and “urban artificial intelligence software R & D and industrialization project” and use the raised funds to increase capital to the wholly-owned subsidiary to implement the raised investment project. In order to ensure the safe use of the raised funds, Beijing Jiahua Zhilian Technology Co., Ltd. (hereinafter referred to as “Jiahua Zhilian”), Taiyuan Luoke Jiahua Industry Co., Ltd. (hereinafter referred to as “Tailuo industry”) and Chengdu Jiahua Wulian cloud Technology Co., Ltd. (hereinafter referred to as “Jiahua Wulian cloud”) opened special accounts for the storage of the raised funds and increased the capital

Later, the four party supervision agreement on the storage of special account for raised funds (hereinafter referred to as the “Four Party Supervision agreement”) was signed with Rockontrol Technology Group Co.Ltd(688051) , commercial banks storing raised funds and recommendation institutions on May 13, 2020.

At the same time, the independent directors of the company issued clear consent opinions, and the sponsor has no objection to Rockontrol Technology Group Co.Ltd(688051) changing the implementation subject of some raised investment projects and using the raised funds to increase capital to wholly-owned subsidiaries to implement raised investment projects.

On September 25, 2020, the company held the 15th meeting of the second board of directors and the 8th meeting of the second board of supervisors, deliberated and approved the proposal on using over raised funds to invest in the construction of urban new infrastructure big data operation service platform and the construction project of Internet of things cloud data center (phase I). All the raised funds have been deposited in the special account of raised funds of each implementation subject, The implementation subject of the raised investment project has signed a tripartite supervision agreement with Rockontrol Technology Group Co.Ltd(688051) , the sponsor and the bank storing the raised funds on November 27, 2020. At the same time, the independent directors of the company have expressed their independent opinions with explicit consent.

On February 25, 2021, the company held the 19th meeting of the second board of directors and the 11th meeting of the second board of supervisors, deliberated and approved the company’s proposal on changing the implementation subject and location of some raised investment projects and using the raised funds to increase capital to wholly-owned subsidiaries to implement raised investment projects. The research and development of cloud chain big data platform was transferred from Jiahua content chain cloud to Chongqing Jiahua. In order to ensure the safe use of raised funds, Chongqing Jiahua opened a special account for the storage of raised funds in China Merchants Bank Co.Ltd(600036) Beijing Fengtai Science Park sub branch on April 19, 2021, and signed a four party supervision agreement on raised funds with the company, commercial banks and sponsors after the capital increase on June 16, 2021. The independent directors of the company have expressed their independent opinions with explicit consent. The sponsor has no objection to Rockontrol Technology Group Co.Ltd(688051) changing the implementation subject of some raised investment projects and using the raised funds to increase capital to wholly-owned subsidiaries to implement raised investment projects.

As of December 31, 2021, the company’s deposit of raised funds is as follows:

Unit: 10000 yuan

Account number balance of deposit bank

Rockontrol Technology Group Co.Ltd(688051) 351900107710603 0

China Merchants Bank Co.Ltd(600036) Beijing Fengtai Science Park zhijiahua wulianyun 1109415829103010

that ‘s ok

Chongqing Science and technology 110945051510101293.91

Bank Of China Limited(601988) Beijing guangelectromechanical sub branch Rockontrol Technology Group Co.Ltd(688051) 3285701825080.00

Bank Of Hangzhou Co.Ltd(600926) Beijing Branch Jiahua Zhilian 11010401 Y.U.D.Yangtze River Investment Industry Co.Ltd(600119) 90575850.73

Data technology 95508802249090011610828.18

Guangfa Bank Co., Ltd. Taiyuan branch business department

Chongqing Science and technology 95508802 Changshu Guorui Technology Co.Ltd(300600) 01924147.87

Bank Of Ningbo Co.Ltd(002142) Beijing branch business department Chongqing Science and Technology (Note 1) 77010122001286723500000

Total 2612069

Note 1: Chongqing Science and technology opened an account in the business department of Bank Of Ningbo Co.Ltd(002142) Beijing Branch on March 9, 2021, which is dedicated to the cash management of idle raised funds.

In order to improve the use efficiency of raised funds, the company purchased structural deposits from some temporarily idle raised funds. As of December 31, 2021, the situation of unexpired structural deposits is as follows:

Unit: 10000 yuan

Trustee’s main product type term cash management balance

Chongqing Science and technology structured deposit 202112.312022.2.11300000 Guangfa bank Taiyuan branch business department

569000 data of Jiahua structured deposits from December 31, 2021 to February 11, 2022

Bank Of Ningbo Co.Ltd(002142) Beijing branch business department Chongqing Technology structured deposit 2021.9.302022.1.21500000

Total 1369000

[note] the above structured deposits have been recovered on the later maturity date.

2、 Progress of investment projects with raised funds

(I) use of funds for projects invested with raised funds

The company uses the raised funds in accordance with the measures for the administration of raised funds. See the attached table: comparison table of the use of raised funds in Rockontrol Technology Group Co.Ltd(688051) 2021 for the actual use of raised funds.

(II) advance investment and replacement of raised investment projects

On April 8, 2020, the company held the eighth meeting of the second board of directors and the second meeting of the second board of supervisors, deliberated and adopted the proposal on using raised funds to replace self raised funds invested in raised investment projects in advance and paying issuance expenses, and agreed

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