GlucoJoy PC Privacy Policy Effective Date: August 18, 2026 Zhejiang Sejoy Biomedical Co., Ltd. (“Sejoy,” “we,” “us,” or “our”) respects your privacy and is committed to protecting your personal information. This GlucoJoy PC Privacy Policy (“Privacy Policy”) explains how we collect, use, store, protect, and otherwise process your personal information when you use the GlucoJoy PC software application (the “Software”). Please read this Privacy Policy carefully before installing or using the Software. By installing, accessing, or using the Software, you acknowledge that you have read and understood this Privacy Policy. If you do not agree with this Privacy Policy, please stop installing or using the Software. 1. Who We Are The GlucoJoy PC Software is provided and operated by: Zhejiang Sejoy Biomedical Co., Ltd. Email: service@sejoy.com Telephone: +86 571-81957782 Address: Area C, Building 2, No.365, Wuzhou Road, Yuhang Economic Development Zone, Hangzhou City, 311100, Zhejiang, China 2. Information We May Collect Depending on the features you use, we may collect or process the following categories of information. 2.1 Account and Identity Information If certain features of the Software require you to create or sign in to an account, we may process information such as: Mobile phone number; Email address; Username; Account identifier; Authentication information; and Basic information associated with your account. The specific information collected depends on the features you use. 2.2 Blood Glucose and Health-Related Information Because GlucoJoy PC is designed for blood glucose data management, we may process health-related information when you use relevant features, including: Blood glucose measurement results; Measurement date and time; Blood glucose units; Source of blood glucose data; Blood glucose meter information; Blood glucose statistics and analysis results; Health-related records voluntarily entered by you, such as diet, exercise, medication, or other health records, where such features are available; and Other information related to blood glucose data management. Some blood glucose and health-related information may constitute sensitive personal information or special categories of personal data under applicable laws. We process such information only to the extent necessary to provide the relevant Software features, provide services, maintain security, or comply with applicable laws and regulations. 2.3 Blood Glucose Meter and Device Information When you connect a compatible Bluetooth blood glucose meter or other supported device to the Software, we may process information such as: Device name; Device model; Device serial number or device identifier; Bluetooth-related identifiers; Device connection status; Device firmware or software version; Measurement data generated by the device; Data synchronization status; and Technical information required for communication with the device. This information is primarily used to enable device connection, data transmission, data synchronization, device identification, and troubleshooting. 2.4 Computer and Software Information To ensure proper operation of the Software, improve software stability, and troubleshoot technical issues, we may collect necessary technical information, such as: Windows operating system version; Software version; Software operating status; Error logs; Crash information; Basic hardware information; Network connection status; and Relevant technical logs. We will make reasonable efforts to avoid collecting information that is not necessary for these purposes. 2.5 Information You Voluntarily Provide When you voluntarily provide information through the Software or through other communication channels, we may collect information such as: Customer service inquiries; Technical support requests; Product feedback; Contact information; and Other information you voluntarily provide. 3. How We Use Personal Information We may use the information we collect for the following purposes. 3.1 Providing Software Features We may use your information to: Create and manage user accounts; Authenticate users; Connect compatible devices; Receive and synchronize blood glucose data; Display blood glucose measurement results; Store and retrieve historical data; Provide data statistics and analysis; and Provide other features that you choose to use. 3.2 Providing Customer Support We may use your information to: Respond to your inquiries; Handle technical issues; Provide customer support; Troubleshoot product-related problems; and Improve customer service. 3.3 Maintaining Software Security and Stability We may use technical information to: Detect and troubleshoot software errors; Analyze software crashes; Identify and address security risks; Prevent unauthorized access; and Maintain the security and stability of the Software and related services. 3.4 Improving the Software Where permitted by applicable laws, we may use necessary technical information and appropriately processed data to analyze software performance, troubleshoot problems, improve stability, and enhance our products and services. We will not use your personal health information for commercial purposes unrelated to the functions of the Software. 4. Bluetooth and Device Connectivity If you use the Software to connect to a compatible Bluetooth blood glucose meter, the Software may use Bluetooth-related functions provided by the Windows operating system. Bluetooth connectivity may be used to: Search for compatible devices; Establish a device connection; Receive blood glucose measurement data; Synchronize device data; and Obtain necessary device information. We will not use Bluetooth functionality to collect information from unrelated Bluetooth devices beyond what is necessary for the Software's intended functions. You may manage relevant Bluetooth permissions and connected devices through Windows system settings. 5. Data Storage Depending on the features you use, relevant data may be stored in: The Windows computer on which you use the Software; Servers operated by us or our authorized service providers; or Other lawful storage environments selected by you. We will implement reasonable security measures based on the type of data, processing purposes, and applicable laws and regulations. If the Software provides cloud synchronization features, relevant data may be transmitted to our servers through the Internet to enable functions such as data backup, synchronization, or access across devices. 6. Data Sharing and Third-Party Services Except as described below, we do not sell your personal information to unrelated third parties. We may disclose or provide necessary information in the following circumstances: With your consent or authorization; When necessary to provide a feature or service you have requested; When required by applicable laws, regulations, courts, governmental authorities, or other legally authorized institutions; When necessary to protect your rights, safety, or property, or the rights, safety, or property of others; or As otherwise permitted by applicable laws and regulations. We may engage third-party service providers to assist us with necessary technical services, including: Cloud hosting; Data storage; Network services; Software error and crash analysis; Information security services; and Customer support services. We require such service providers to protect personal information in accordance with applicable laws and contractual obligations and to process personal information only as necessary to provide the relevant services. 7. Microsoft Store If you obtain the Software through the Microsoft Store, Microsoft may independently process certain information related to your Microsoft account, application download, installation, purchase, licensing, or updates in accordance with Microsoft's privacy policies and applicable platform terms. Microsoft's processing of such information is not governed by this Privacy Policy. For information regarding how Microsoft processes personal information, please refer to Microsoft's applicable privacy policy and service terms. The Software does not obtain your Microsoft account password or other Microsoft account information unrelated to the Software's intended functions solely because you downloaded the Software through the Microsoft Store. 8. Data Retention We retain personal information only for as long as reasonably necessary to fulfill the purposes described in this Privacy Policy or as required by applicable laws and regulations. When personal information is no longer necessary for the relevant purposes, we will delete or anonymize it in accordance with applicable legal requirements. Where applicable laws require us to retain certain information for a specific period, we will retain such information for the legally required period. 9. Data Security We take the security of your personal information seriously and implement reasonable technical and organizational measures to protect it, including, where appropriate: Access controls; Authentication mechanisms; Data transmission security measures; Data storage security measures; Logging and security monitoring; Software security updates; and Internal access control procedures. We continuously review and improve our security measures based on evolving risks and technology. However, please understand that no Internet transmission, information system, or storage environment can be guaranteed to be completely secure. If a personal information security incident occurs that is subject to notification requirements under applicable law, we will take appropriate measures in accordance with applicable legal requirements. 10. International Data Transfers Depending on your location, account, and the services you use, your personal information may be transferred to or stored in countries or regions outside your country of residence. Where international data transfers occur, we will comply with applicable data protection laws and implement appropriate safeguards as required. For users located in mainland China, we will process personal information in accordance with applicable laws and regulations of the People's Republic of China concerning personal information protection and data security. 11. Your Privacy Rights Subject to applicable laws and regulations, you may have the following rights regarding your personal information: 11.1 Right to Know You may have the right to know how we collect and process your personal information. 11.2 Right of Access You may have the right to request access to personal information that we process about you. 11.3 Right to Correction If you believe that your personal information is inaccurate or incomplete, you may request that we correct or supplement it. 11.4 Right to Deletion Under applicable laws and regulations, you may request deletion of your personal information in certain circumstances. 11.5 Right to Withdraw Consent Where processing is based on your consent, you may withdraw your consent as permitted by applicable law. Withdrawal of consent does not affect the lawfulness of processing conducted before the withdrawal. 11.6 Account Deletion If the Software provides account functionality, you may request account deletion through the methods provided by the Software. After account deletion, we will handle relevant account information and data in accordance with applicable laws and regulations. 11.7 Other Legal Rights Depending on your jurisdiction, you may have additional rights under applicable privacy and data protection laws. To exercise your rights, please contact us using the contact information provided in Section 15 of this Privacy Policy. 12. Children's Privacy The Software is not specifically directed to children. If you are below the age of majority applicable in your jurisdiction, you should use the Software under the guidance and with the consent of your parent or legal guardian where required by applicable law. If we become aware that we have collected personal information from a child without appropriate authorization, we will take reasonable steps to address the situation in accordance with applicable laws. 13. Your Responsibilities When using the Software, you should: Use the Software lawfully and appropriately; Ensure that information you provide to the Software is obtained lawfully; Protect your account and authentication information; Not provide your account to unauthorized third parties; Not use the Software to collect, process, or disclose another person's personal information without appropriate authorization; and Comply with applicable laws and regulations. If you use the Software to manage blood glucose or health-related information belonging to another person, you are responsible for obtaining any authorization or consent required by applicable laws and for complying with applicable data protection obligations. 14. Changes to This Privacy Policy We may update this Privacy Policy from time to time due to changes in applicable laws, Software features, business operations, or our data processing practices. If we make material changes to this Privacy Policy, we will provide appropriate notice through the Software or other reasonable means. The updated Privacy Policy will become effective on the effective date specified in the updated version. Your continued use of the Software after the updated Privacy Policy becomes effective constitutes your acknowledgment of the updated Privacy Policy, except where applicable law requires otherwise. 15. Contact Us If you have any questions, comments, complaints, or requests regarding this Privacy Policy or our processing of personal information, please contact us: Zhejiang Sejoy Biomedical Co., Ltd. Email: service@sejoy.com Telephone: +86 571-81957782 Address: Area C, Building 2, No.365, Wuzhou Road, Yuhang Economic Development Zone, Hangzhou City, 311100, Zhejiang, China We will process your request in accordance with applicable laws and regulations. 16. Miscellaneous This Privacy Policy describes the principal ways in which we process personal information in connection with your use of GlucoJoy PC. If any provision of this Privacy Policy conflicts with a mandatory requirement of applicable law, the mandatory legal requirement will prevail. Software: GlucoJoy PC Privacy Policy Version: V1.0 Effective Date: August 18, 2026 Privacy Controller: Zhejiang Sejoy Biomedical Co., Ltd. Telephone: +86 571-81957782 Email: service@sejoy.com