Securities code: 688032 Securities abbreviation: Hoymiles shares Announcement No.: 2024-045

Hangzhou Hoymiles Power Electronics Co., Ltd

Announcement on the convening of the 2024 semi-annual results briefing

The board of directors and all directors of the company guarantee that there are no false records, misleading statements or material omissions in the content of this announcement, and assume legal responsibility for the authenticity, accuracy and completeness of its content in accordance with the law.

Important Content Notes:

Meeting time: 14:00-15:00 pm on September 12, 2024

Venue: Shanghai Stock Exchange Roadshow Center, Shanghai Stock Exchange

(Website: http://roadshow.sseinfo.com)

Meeting method: SSE Roadshow Center network interaction

Investors can log in to SSE from 5 September 2024 (Thursday) to 11 September 2024 (Wednesday) before 16:00

On the Home of the roadshow center website, click on the "Question Pre-solicitation" column or through Hangzhou Hemai Power Electronics Co., Ltd

The Company (hereinafter referred to as the "Company") can only ask questions by email dongmiban@hoymiles.com. firm

Questions of general concern to investors will be answered at the briefing.

On August 29, 2024, the Company disclosed the Company's 2024 semi-annual report on the website of the Shanghai Stock Exchange (www.sse.com.cn). In order to strengthen in-depth exchanges with investors and facilitate investors to have a more comprehensive understanding of the company's 2024 semi-annual operating results and financial situation, the company intends to hold the 2024 semi-annual results briefing from 14:00 to 15:00 pm on September 12, 2024 (Thursday) to exchange views on issues of concern to investors, and welcome investors to actively participate.

1. Type of briefing

The company will interact and communicate with investors on the specific situation of operating results and financial indicators in the first half of 2024, and answer questions of general concern to investors within the scope of information disclosure.

2. The time and place of the briefing

1. Meeting time: 14:00-15:00 pm on September 12, 2024

2. Venue of the meeting: Shanghai Stock Exchange SSE Roadshow Center (Website:

http://roadshow.sseinfo.com/）

3. Meeting method: network interaction of SSE Roadshow Center

3. Company participants

The company's participants in the briefing include: Mr. Yang Bo, director and general manager, Ms. Liang Junlin, secretary of the board of directors, Ms. Li Xinyuan, chief financial officer, and Ms. Zhu Hongxia, independent director. (In case of special circumstances, the participants may be adjusted)

Fourth, the way for investors to participate

1. Investors can log in to the SSE Roadshow Center (http://roadshow.sseinfo.com/) through the Internet from 14:00 to 15:00 on September 12, 2024 (Thursday) to participate in the performance briefing online, and the company will answer investors' questions in a timely manner.

2. Investors can log in to the SSE Roadshow Center website Home before 16:00 from September 5, 2024 (Thursday) to September 11, 2024 (Wednesday), click on the "Pre-solicitation of Questions" column (http://roadshow.sseinfo.com/questionCollection.do), and select this event or ask questions to the company through the company's email dongmiban@hoymiles.com according to the activity time. The company will answer questions of general concern to investors at the briefing session.

5. Contact information and consultation methods

Contact Department: Corporate Securities Department

Phone: 0571-28060318

E-mail: dongmiban@hoymiles.com

6. Other matters

After the announcement of the results will be held, investors will be able to go through the SSE Roadshow Centre

(http://roadshow.sseinfo.com/) Check the convening and main content of this performance briefing.

The announcement is hereby made.

Board of Directors of Hangzhou Hoymiles Power Electronics Co., Ltd

August 29, 2024