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 Dear Tunza Eco-generation members, In order to protect personal information and comply with the Act on Promotion of Information and Communications Network Utilization and Information Protection, etc. of Korea, we would like to update the Personal Information Protection Policy as below. ¡Ü Date of notification: February 20, 2018 ¡Ü Effective date: February 20, 2018 ¡Ü Content of Change                | Before | After |       | 2. The type of personal information to be collected and   how to collect 1) Collected items                  |   | Collected items |       | For membership-based service and user management (default) | - Essential items¡¤ Name, email address, nationality, birthday, mailing address, phone number
 |       | For promotion events(Collected after acquiring consent separately)
 | - Essential items¡¤ Phone number, address and other information needed for the event
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 | 2.   The type of personal information to be collected and how to collect 1)   Collected items                  |   | Collected items |       | For membership-based service and user management (default) | - Essential items ¡¤ Name, username, email address, nationality, birthday, recommender(optional) |       | For monthly events (Collected after acquiring      consent separately) | - Essential items  ¡¤ Name, username, email     address, nationality, birthday, phone number, address and other information     needed for the event |       | For other events (Collected after acquiring      consent separately) | - Essential items  ¡¤ Gender, phone     number, address and other information needed for the event |  
 |       | (none) | 3.   How long personal information is retained and used 4) If users withdraw their membership, the Company will delete   their personal information immediately. However, the Company will still keep   the postings uploaded by the users even after their membership cancellation.   If users want to delete their postings, they may delete them on their own   before canceling their membership or may contact the Eco-generation team via   e-mail or phone after cancellation and request the team to delete the   postings on their behalf.   |       | 5.   Outsourcing of personal information management                  | Outsourcing vendors | Outsourced tasks |       | Samsung SDS Co.Ltd. | Provision of     infrastructure services |  
 | 5.   Outsourcing of personal information management                  | Outsourcing vendors | Outsourced tasks |       | Samsung SDS Co.Ltd. | Infrastructure services |       | iMarketKorea | Operation and maintenance of the website |  
 |       | 10. Personnel in charge of personal information management and response   to user complaints 2) Dedicated personnel for personal information   management (protection) - Name: Manager Lim Ji Hee - Department: Communications Department - Contact: +82-2-2053-2288 - E-mail: ecogeneration@samsung.com | 10. Personnel in charge of personal information management and response   to user complaints 2) Dedicated personnel for personal information   management (protection) - Name: Manager Seo Ji Hoon - Department: Human Resource   Management Department - Contact: +82-2-2053-3260  - E-mail: jihoon.seo@samsung.com |    |