Announcement on Newly Added Cumulative Litigation

Stock Code: 002431 Stock Abbreviation: ST Palm Announcement No.: 2026-066 Palm Eco-Town Development Co., Ltd. Announcement on Newly Added Cumulative Litigation The Company and all members of the Board of Directors guarantee the content of the information disclosed is true, accurate, and complete, and that there are no false records, misleading statements, or major omissions. Palm Eco-Town Development Co., Ltd. (hereinafter referred to as the "Company") disclosed the "Announcement on Major Litigation" (Announcement No.: 2026-064) on May 12, 2026. The announcement disclosed the cumulative new litigation and arbitration cases filed by the Company and its consolidated subsidiaries from April 30, 2026, to May 8, 2026. For details, please refer to the announcement disclosed by the Company on May 12, 2026, in the "China Securities Journal," "Shanghai Securities News," and the Juchao Information Network (www.cninfo.com.cn). Between May 9, 2026, and May 12, 2026, the Company added some small-amount litigation and arbitration cases. The situation is as follows: I. Basic Situation of Cumulative New Litigation and Arbitration Cases Between May 9, 2026, and May 12, 2026, the cumulative amount involved in new litigation and arbitration cases filed by the Company and its consolidated subsidiaries totaled 30.1236 million RMB, accounting for 7.16% of the Company's audited net assets for 2025. All are cases where the Company is the defendant. For details, please refer to Attachment I. The Company and its consolidated subsidiaries do not have any major litigation or arbitration cases where the amount involved in a single case accounts for more than 10% of the absolute value of the Company's latest audited net assets, or where the absolute amount exceeds RMB 10 million. II. Other Undisclosed Litigation and Arbitration Cases As of the date of this announcement, the Company and its consolidated subsidiaries have no other major litigation or arbitration cases that should have been disclosed but were not. III. Possible Impact of the Cumulative Litigation and Arbitration Cases Announced This Time on the Company's Current or Subsequent Period Profits The newly added litigation cases are all disputes arising from construction engineering contracts. The Company will diligently collect evidence and preserve evidence and actively respond to the lawsuits. Some plaintiffs have applied for property preservation based on their litigation rights, which may lead to the freezing of some of the Company's account funds. Given that the newly added cases are all in the pre-trial stage, their impact on the Company's current or subsequent period profits is uncertain. The Company will make corresponding accounting treatments in accordance with the requirements of relevant accounting standards and actual situations, and fulfill its information disclosure obligations in a timely manner as required by regulations. Investors are hereby cautioned about investment risks. Hereby announced. Palm Eco-Town Development Co., Ltd. Board of Directors May 13, 2026

Attachment I: Statistical Table of Cumulative New Litigation and Arbitration Cases from May 9, 2026, to May 12, 2026 Note: This table only lists cases with an amount involved of RMB 10 million or more newly added from May 9, 2026, to May 12, 2026.