Core Viewpoint - The company, Ultrasonic Electronics (000823.SZ), has announced the termination of the transfer of its equity stake in Sichuan Ultrasonic Printed Circuit Board Co., Ltd due to the failure of the interested buyer to complete the deposit payment within the specified timeframe [1] Group 1 - The company will terminate the transfer of its stake in Sichuan Ultrasonic Printed Circuit Board Co., Ltd [1] - Only one interested buyer was identified during the listing period at the Beijing Property Exchange [1] - The interested buyer did not complete the deposit payment process within the required deadline, leading to the termination of the equity transfer [1]

Core Viewpoint - The company, Ultrasonic Electronics (000823), has announced the termination of the transfer of its equity stake in Sichuan Ultrasonic Printed Circuit Board Co., Ltd due to the failure of the interested buyer to complete the deposit payment within the specified timeframe [1] Summary by Relevant Sections - **Equity Transfer Announcement** - The company will terminate the transfer of its stake in Sichuan Ultrasonic Printed Circuit Board Co., Ltd [1] - Only one interested buyer was identified during the listing period [1] - The interested buyer did not complete the deposit payment process within the required deadline, leading to the termination of the equity transfer [1]

Core Viewpoint - The company, Ultrasonic Electronics (000823.SZ), has decided to adjust the public listing price for the transfer of its 62% stake in Sichuan Ultrasonic Printed Circuit Board Co., Ltd., reducing the price by no more than 10% from the initial listing price, setting a new minimum price of RMB 67.1066 million [1] Group 1 - The company will hold its 10th board meeting on July 7, 2025, to review the adjustment of the transfer price [1] - The new public listing price for the stake is set at no less than RMB 67.1066 million [1] - The initial public listing price was reduced by up to 10% from the original price [1] Group 2 - As of the end of the listing period, only one potential buyer expressed interest in acquiring the stake [1] - The transfer process was terminated because the interested buyer failed to complete the deposit payment within the specified timeframe [1]

| 证券代码：000823 | 证券简称：超声电子 | 公告编号：2026-002 | | --- | --- | --- | | 债券代码：127026 | 债券简称：超声转债 | | 广东汕头超声电子股份有限公司 关于终止转让持有的四川超声印制板有限公司股权的公告 二、本次交易终止对上市公司的影响 本次股权挂牌转让终止不会对公司的正常生产经营及财务状况 产生重大影响。 特此公告。 广东汕头超声电子股份有限公司董事会 2026 年 1 月 20 日 本公司及董事会全体成员保证信息披露内容的真实、准确、完整，没有虚假 记载、误导性陈述或重大遗漏。 一、交易基本情况及进展 广东汕头超声电子股份有限公司（以下简称"公司"）于 2024 年 10 月 29 日召开第十届董事会第二次会议，审议通过了《关于公开 挂牌转让本公司持有的四川超声印制板有限公司股权的议案》，同意 公司通过北京产权交易所公开挂牌、拍卖转让持有的四川超声印制板 有限公司（以下简称"四川超声"）62%股权，挂牌底价为 7,456.29 万元。具体内容详见公司于 2024 年 10 月 30 日披露的《广东汕头超 声电子股份有限公司关于公开挂牌转让本 ...

Core Viewpoint - The company has decided to publicly transfer its 62% stake in Sichuan Ultrasonic Printed Circuit Board Co., Ltd. through an auction on the Beijing Property Exchange, with an initial listing price of 74.56 million yuan [1] Group 1 - The board meeting on October 29, 2024, approved the proposal for the public transfer of the stake [1] - The formal listing of the stake began on December 24, 2024, at a base price of 74.56 million yuan [1] - On July 7, 2025, the board approved a price adjustment for the stake, reducing the listing price by no more than 10%, setting a new minimum price of 67.11 million yuan [1] Group 2 - By the end of the listing period, only one interested buyer was identified, but the buyer failed to complete the deposit payment within the required timeframe, leading to the termination of the transfer process [1]

Group 1 - Guangdong Shantou Ultrasonic Electronics Co., Ltd. has obtained a patent for a method of sensitivity measurement and calibration compensation based on multimodal full-focus acoustic response cloud maps, with authorization announcement number CN121114227B and application date of November 2025 [1] - The company was established in 1997 and is located in Shantou City, primarily engaged in the manufacturing of computers, communications, and other electronic devices [1] - The registered capital of Guangdong Shantou Ultrasonic Electronics Co., Ltd. is 536.991508 million RMB, and it has invested in 11 companies, participated in 751 bidding projects, and holds 153 patents and 44 trademark information [1] Group 2 - Jiangsu Zhongte Chuangye Equipment Testing Co., Ltd. was established in 2003 and is located in Nanjing City, primarily engaged in business services [1] - The registered capital of Jiangsu Zhongte Chuangye Equipment Testing Co., Ltd. is 3 million RMB, and it has participated in 24 bidding projects, holds 12 patents, and has 15 administrative licenses [1]

Group 1 - The company, Guangdong Shantou Ultrasonic Electronics Co., Ltd., issued 7 million convertible bonds with a total value of 70 million yuan, approved by the China Securities Regulatory Commission [2][3] - The convertible bonds, named "Ultrasonic Convertible Bonds," began trading on January 14, 2021, on the Shenzhen Stock Exchange [3] - The conversion price for the bonds was adjusted multiple times, with the latest adjustment on April 22, 2025, setting the price at 12.22 yuan per share [5][6] Group 2 - As of the fourth quarter of 2025, 121,200 yuan worth of convertible bonds were converted into 9,914 shares, representing 0.0018% of the company's total issued shares prior to conversion [5][6] - The total amount of unconverted convertible bonds as of the end of the fourth quarter of 2025 was 699,552,900 yuan, accounting for 99.9361% of the total issuance [6] - The company has provided additional information regarding the convertible bonds in its prospectus available on the Giant Tide Information Network [6]

Group 1 - The company, 超声电子 (Super Sonic Electronics), has indicated on its interactive platform that it produces printed circuit boards (PCBs) used in millimeter-wave radar and laser radar applications [1]

特别提示： 1、证券代码：000823；证券简称：超声电子 证券代码：000823 证券简称：超声电子 公告编号：2026-001 债券代码：127026 债券简称：超声转债 广东汕头超声电子股份有限公司 关于 2025 年第四季度可转换公司债券转股情况的公告 本公司及董事会全体成员保证信息披露的内容真实、准确、完整，没有虚假记载、 误导性陈述或重大遗漏。 2、债券代码：127026；债券简称：超声转债 3、转股价格：人民币12.22元/股 4、转股日期：2021年6月15日至2026年12月7日 5、可转债转股情况：2025 年第四季度，有人民币 121,200 元超声转债 转为公司股份，转股数量为 9,914 股，占可转债转股前公司已发行股份总额 的 0.0018%。 6、未转股可转债情况：截至 2025 年第四季度末，尚未转股的超声转 债金额为人民币 699,552,900 元，占公司可转债发行总量比例为 99.9361%。 根据《深圳证券交易所股票上市规则》《深圳证券交易所上市公司自 律监管指引第15号——可转换公司债券》有关规定，广东汕头超声电子股 份有限公司（以下简称"公司"）现将2025年第四季 ...

Group 1 - The core viewpoint of the article is that the company, 超声电子 (Super Sonic Electronics), has indicated that its PCB (Printed Circuit Board) products can be applied in the aerospace sector [1]