Golden Sun Technology Group Ltd.

PROXY STATEMENT

The board of directors (the “Board of Directors”) of Golden Sun Technology Group Limited (the “Company”) is soliciting proxies for the Extraordinary General Meeting of Holders of Class A Ordinary Shares (the “Class A Meeting”) of the Company to be held on November 23, 2026 at 9:00 a.m. Beijing Time. The Company will hold the Meeting at 3 rd Floor, Building C, Taian Building, No. 554 Chezhan Avenue, Lucheng District, Wenzhou, Zhejiang Province, People’s Republic of China. Shareholders of Class A Ordinary Shares will have equal opportunity to participate at the Meeting and engage with the directors, management, and other shareholders of the Company online, regardless of their geographic location.

Registered shareholders and duly appointed proxyholders will be able to attend, participate and vote at the Class A Meeting in real time. Beneficial shareholders who hold their class A ordinary shares (the “Class A Ordinary Shares”) through a broker, investment dealer, bank, trust corporation, custodian, nominee, or other intermediary who have not duly appointed themselves as proxyholder will be able to attend as guest and view the webcast, but will not be able to participate in or vote at the Class A Meeting.

Only holders of the Class A Ordinary Shares of the Company of record at the close of business on October 20, 2026 (the “Record Date”) are entitled to attend and vote at the Meeting or at any adjournment thereof. One or more members holding Class A Ordinary Shares that represent not less than one-third (1/3) of the outstanding Class A Ordinary Shares carrying the right to vote at the Meeting shall form a quorum.

Any shareholder of Class A Ordinary Shares entitled to attend and vote at the Class A Meeting is entitled to appoint one or more proxies to attend and vote on such shareholder’s behalf. A proxy need not be a shareholder of the Company.

After carefully reading and considering the information contained in this proxy statement, including the annexes, please vote your shares as soon as possible so that your shares will be represented at the Class A Meeting. Please follow the instructions set forth on the proxy card or on the voting instruction form provided by the record holder if your shares are held in the name of your broker or other nominee.