PRIVACY POLICY Application: Woori Dictionary Last Updated: September 3, 2026 Woori Dictionary respects users' privacy and is committed to protecting personal information while you use the application. This Privacy Policy explains how Woori Dictionary collects, uses, stores, and protects user data. --- 1. Data We Collect We only collect data necessary to operate, provide features, and improve Woori Dictionary. 1.1. Data Provided by Users Depending on the features you use, we may collect: Full Name: When you create or update your account. Email Address: When you register for an account, sign in, or contact us for support. Account Data and User-Generated Data: Such as vocabulary or personal content that is saved and synchronized with your account, if this feature is provided. 1.2. Automatically Collected Data When you use the application, certain technical data may be collected automatically through the application or integrated third-party services, including: - IP address; - Device and operating system information; - Advertising ID or other related device identifiers; - Data relating to interactions with the application and advertisements; - Certain diagnostic data and information related to advertising performance. This data may be collected by Google AdMob to provide, measure, and improve advertising and to support security and fraud prevention activities. 2. Purposes of Data Use We use the collected data for the following purposes: - Operating the application: Authenticating accounts, providing dictionary lookup functionality, and other features. - Data synchronization: Storing and synchronizing users' personal data across devices when this feature is provided. - User support: Receiving and handling requests, feedback, or technical issues. - Improving the application: Analyzing and improving the quality of content, features, user interface, and application performance. - Displaying advertisements: Using Google AdMob to display advertisements and maintain the free version of the application. - Security and fraud prevention: Detecting, preventing, or addressing activities that may affect the security and operation of the application. 3. Third-Party Services Woori Dictionary uses certain third-party services to support the operation of the application. Google AdMob Woori Dictionary uses Google AdMob to display advertisements. Google AdMob may collect and process certain data, such as Advertising ID, IP address, device information, data relating to interactions with the application and advertisements, as well as diagnostic data or information related to advertising. Google's collection and processing of data is carried out in accordance with Google's Privacy Policy and the terms applicable to Google's services. We do not sell or rent users' personal information to third parties. Third-party services are only used for purposes related to providing, operating, securing, analyzing, or supporting the application's features. 4. Data Sharing We do not sell or rent your full name, email address, or personal account information to third parties for commercial purposes. Data may be processed or shared with service providers necessary to operate the application, such as advertising services, data storage services, or account authentication services, if such services are used in the application. We may also provide data when necessary to: - Comply with legal obligations; - Respond to lawful requests from competent authorities; - Protect the rights, property, or safety of users, ourselves, or third parties; - Detect and prevent fraud, abuse, or unauthorized activities. 5. Data Retention and Deletion We retain account data for as long as your account remains active or until you request deletion of the data. When an account is deleted, we will delete the related personal data within a reasonable period, except for data that we need to retain in order to: - Comply with legal obligations; - Resolve disputes; - Maintain the security and safety of our systems; - Prevent fraud or abuse. Data collected by third-party services such as Google AdMob may be retained and processed in accordance with the data retention policies of those providers. 6. User Rights and Choices Depending on the features available and applicable laws, you may have the following rights: Accessing and Updating Data You may view or update your full name and other supported profile information directly in the account section of the application. Deleting Your Account You may request deletion of your account and related personal data by using the "Delete Account" function within the application. You may also request account deletion without using the application by sending a request to: Email: woori.dict@gmail.com When submitting a request, please use the email address associated with your account so that we can verify and process the request. Personalized Advertising Depending on your device, region, and settings, you may adjust your preferences regarding personalized advertising through your device's advertising settings or options provided by Google. Changing your advertising settings may affect the types of advertisements you see but does not necessarily remove advertisements from the application entirely. 7. Data Security We implement reasonable technical and organizational measures to protect data against unauthorized access, use, alteration, disclosure, or destruction. Data transmitted between the application and our servers, where applicable, is protected using encryption measures appropriate to current security standards. Access to data is limited to systems or individuals who need it to operate and support the service. However, no method of electronic data transmission or storage can be guaranteed to be completely secure. 8. Children's Privacy Woori Dictionary is not designed for or intentionally directed at children. If we become aware that we have collected children's personal data in violation of applicable laws, we will take appropriate measures to address and delete such data. 9. Changes to This Privacy Policy We may update this Privacy Policy when there are changes to the application's features, the way data is processed, or applicable legal requirements. The latest version will be made publicly available on the Woori Dictionary Privacy Policy page and/or communicated within the application when appropriate. The last updated date is always displayed at the beginning of this Privacy Policy. 10. Contact If you have any questions, feedback, or requests regarding privacy and personal data, please contact us: Application: Woori Dictionary Support Email: woori.dict@gmail.com To request deletion of your account or personal data, please use the email address associated with your account when submitting your request. Last Updated: September 3, 2026