YOUR VOTE IS IMPORTANT. PLEASE VOTE TODAY. IMMEDIATE - 24 Hours a Day, 7 Days a Week or by Mail Vote by Internet - QUICK EASY 2026 BIG TREE CLOUD HOLDINGS LIMITED Your Internet vote authorizes the named proxies to vote your shares in the same manner as if you marked, signed and returned your proxy card. Votes submitted electronically over the Internet must be received by 7:00 a.m., Eastern Time, on January 30, 2026. INTERNET – www.cstproxyvote.com Use the Internet to vote your proxy. Have your proxy card available when you access the above website. Follow the prompts to vote your shares. Vote at the Meeting – If you plan to attend the virtual online special meeting, you will need your 12 digit control number to vote electronically at the special meeting. To attend the special meeting, visit: https://www.cstproxy.com/bigtreeclouds/2026 MAIL – Mark, sign and date your proxy card and return it in the postage-paid envelope provided. PLEASE DO NOT RETURN THE PROXY CARD IF YOU ARE VOTING ELECTRONICALLY. FOLD HERE • DO NOT SEPARATE • INSERT IN ENVELOPE PROVIDED PROXY THE BOARD OF DIRECTORS RECOMMENDS A VOTE “FOR” PROPOSALS 1, 2, 3 AND 4. Please mark your votes like this 1. Adoption of second amended and restated memorandum and articles of association proposal. FOR AGAINST ABSTAIN 2. Approval of Share Consolidation. 3. Approval of change of authorized share capital. 4. Approval of redesignation of shares proposal. CONTROL NUMBER Signature Signature, if held jointly Date 2026. Note: Please sign exactly as name appears hereon. When shares are held by joint owners, both should sign. When signing as attorney, executor, administrator, trustee, guardian, or corporate officer, please give title as such.

2026 Important Notice Regarding the Internet Availability of Proxy Materials for the Extraordinary General Meeting of Big Tree Cloud Holdings Limited To view the 2026 Proxy Statement and to Attend the Extraordinary General Meeting, please go to: https://www.cstproxy.com/bigtreeclouds/2026 FOLD HERE DO NOT SEPARATE INSERT IN ENVELOPE PROVIDED PROXY THIS PROXY IS SOLICITED ON BEHALF OF THE BOARD OF DIRECTORS BIG TREE CLOUD HOLDINGS LIMITED The undersigned appoints Wenquan Zhu and Ting Yan, and each of them, as proxies, each with the power to appoint his substitute, and authorizes each of them to represent and to vote, as designated on the reverse hereof, all of the shares of ordinary shares of Big Tree Cloud Holdings Limited held of record by the undersigned at the close of business on January 6, 2026. THIS PROXY WHEN PROPERLY EXECUTED WILL BE VOTED AS INDICATED. IF NO CONTRARY INDICATION IS MADE, THE PROXY WILL BE VOTED IN FAVOR OF PROPOSAL 1, PROPOSAL 2, PROPOSAL 3, AND PROPOSAL 4, AND IN ACCORDANCE WITH THE JUDGMENT OF THE PERSONS NAMED AS PROXY HEREIN ON ANY OTHER MATTERS THAT MAY PROPERLY COME BEFORE THE EXTRAORDINARY GENERAL MEETING. THIS PROXY IS SOLICITED ON BEHALF OF THE BOARD OF DIRECTORS. (Continued and to be marked, dated and signed on the other side)