D&O Home Collection Co.Ltd(002798) : Announcement on obtaining patent certificate for invention

Securities code: D&O Home Collection Co.Ltd(002798) securities abbreviation: D&O Home Collection Co.Ltd(002798) Announcement No.: 2022024 bond Code: 127047 bond abbreviation: Dieu convertible bond

D&O Home Collection Co.Ltd(002798) Group Co., Ltd

Announcement on obtaining invention patent certificate

The company and all members of the board of directors guarantee that the contents of the announcement are true, accurate and complete without false records, misleading statements or major omissions.

D&O Home Collection Co.Ltd(002798) Group Co., Ltd. (hereinafter referred to as “the company”) has recently obtained three invention patent certificates issued by the State Intellectual Property Office. The details are as follows:

Sequence patent name patent number patent application authorization announcement patent number type date person

The invention relates to a base slurry for transparent ceramic Foshan OU1 invention special brick and its zl2019111828850 preparation method of shennuotaoli porcelain Co., Ltd. on November 27, 2019 and February 01, 2022

A special ceramic tile for imitation jade pottery Foshan Ou 2 invention and its preparation zl2019111488045 201911.21202202.11 Shennuo Taoli method porcelain Co., Ltd

A method zl201810454566 based on asynchronous Foshan Ou invention to balance custom shading shennuoyun 3 benefit dyeing samples X 2018.5.10202202.08 Shang technology and its device Co., Ltd

Note: the patent term of the above invention patent is 20 years from the date of application.

The acquisition of the above patents will not have a significant impact on the company’s production, operation and business performance, but it is conducive to the company and its subsidiaries to further improve the intellectual property protection system, give full play to the advantages of independent intellectual property rights, promote technological innovation and continuous enrichment of product structure, and improve the company’s comprehensive competitiveness.

It is hereby announced.

D&O Home Collection Co.Ltd(002798) Group Co., Ltd

Board of directors March 14, 2022

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