This English translation is provided for convenience. If there is any difference between the two versions, the Korean original prevails.

Article 1 (Purpose)

These Terms of Use set out the conditions for being granted the right to use the services of "Bluedot," a publishing platform operated by MediaSphere Inc., and are intended to obtain users' agreement to their rights, obligations and responsibilities. Users of "Bluedot" must agree to these Terms to use the service.

Article 2 (Definitions)

1. "User" means any member or non-member who uses the free or paid services provided by the Company.

2. "Knowledge creator" means any member who uses the Company's free or paid services to publish content and run paid subscriptions.

3. "Paid subscription" means a recurring digital content subscription service in which a knowledge creator receives a subscription fee in return for providing paid content to users.

4. "Member" means a person who has agreed to these Terms and created an account, and who can continuously use the information and services provided by the Company.

5. "Non-member" means a person who uses the information and services provided by the Company without signing up as a member.

Article 3 (Posting and amendment of the Terms)

1. The Company may amend these Terms as necessary and will post the amended Terms, together with the Terms before amendment, on the website from 7 days before the effective date.

2. The amended Terms will be sent to existing users at the email address provided at sign-up.

3. A member who does not agree to the amended Terms may withdraw (terminate). A member who continues to use the service after the amended Terms take effect is deemed to have agreed to the changes.

4. Matters not set out in these Terms and the interpretation of these Terms are governed by the consumer protection guidelines established by the government and by relevant laws or customary practice.

Article 4 (Provision of Company information)

1. The Company posts the following on its website so that users can easily find them:

• Trade name and name of the representative
• Business address
• Email address
• Business registration number and mail-order business registration number
• Privacy policy
• Terms of service

Article 5 (Membership registration)

1. A person who wishes to use the service as a member must agree to these Terms and complete the key items of the sign-up form presented by the Company.

2. A reachable email address must be provided at sign-up. If a user, by mistake or intentionally, provides an invalid email address and as a result does not receive information from the Company or information related to use of the service, the user is responsible.

3. Persons under the age of 14 may create an account only with the consent of a parent or other legal guardian.

Article 6 (Termination of membership)

1. A member may stop using the service and terminate the use agreement at any time.

2. A member who wishes to withdraw may do so through the procedure on the website.

3. When a member withdraws, all property value belonging to the account, including all usage rights and subscriptions, is extinguished immediately and cannot be restored. This also applies to withdrawals caused by account sharing or account theft.

Article 6 (Loss of membership and objections)

1. The Company may restrict use of the service or suspend membership without prior notice if a member does any of the following in using the service:

• Interfering with the provision of the service or using the service by improper means
• Collecting or providing other users' personal information without authorization
• Sending or posting illegal material such as obscene content or copyright-infringing material
• Any attempt to alter the service, such as copying, modifying, distributing, selling, lending, reverse-engineering or extracting any part of the software provided by the Company
• Acts that violate laws, court judgments, decisions or orders, or administrative measures that are legally binding
• Acts that may harm public order or good morals
• Infringing the property rights of the Company or a third party, such as copyrights, trademarks, intellectual property rights, rights of reputation or privacy
• Any act contrary to public sentiment, such as profanity, abusive language, demeaning the vulnerable, personal attacks, gender discrimination or regional prejudice
• Impersonating the Company or a third party, or intentionally spreading false information
• Acts judged to be spam, such as excessively and repeatedly sending the same message in a way that disrupts other users
• Acts aimed at maliciously defaming or slandering other users
• Cooperating with anti-social groups
• Soliciting for particular religious activities
• Illegally collecting, disclosing or providing other people's personal information or usage history
• Using the service for purposes other than those set by the Company
• Violating the rating and age requirements under the Juvenile Protection Act and similar laws when using adult content
• Stealing or using another person's means of payment or email address without permission
• Violating these Terms or any other rules or conditions of use

2. Restrictions on use of the service consist of temporary suspension, reset, permanent suspension and termination of the use agreement.

3. When the Company restricts use, it notifies the member by the email address provided at sign-up.

4. A member who wishes to contest a restriction must, within 15 days of receiving the notice, submit an objection stating the reasons, by the method set by the Company.

5. The Company will reply to the member's objection by email within 15 days of receipt. If a reply within 15 days is difficult, the Company will notify the member of the reason and the processing schedule.

6. The Company must take corresponding action in line with its reply.

Article 7 (Protection and management of personal information)

1. The Company endeavors to protect members' personal information, including account information, as required by relevant laws. The protection and use of members' personal information are governed by relevant laws and by the privacy policy separately announced by the Company.

2. The Company's privacy policy does not apply to third-party services that are merely linked from the website.

3. The Company bears no responsibility for any information, including account information, exposed through the member's own fault.

Article 8 (Account management)

1. Accounts and sign-in information may not be shared with or transferred to any third party. If a problem arises in such a case, the Company is not responsible.

2. Members are responsible for keeping their account information confidential and for the use of their sign-in information.

3. Accounts that have not been accessed for more than one year may be deleted without notice to the user.

Article 9 (Account security)

1. If a user discovers or suspects a security breach such as loss, theft or unauthorized disclosure of sign-in information, the user must notify the Company immediately.

2. The Company is not responsible for damage resulting from negligent account management or account sharing.

Article 10 (Orders and payment)

1. Members may purchase and pay for goods, content and content access rights through the procedure provided by the Company.

2. In principle, payments by minor members must be made in the name of, or with the consent of, a guardian (legal representative), and the guardian may cancel a contract concluded by the minor without the guardian's consent.

Article 11 (Payment cancellation and refunds)

1. Because content is exposed as soon as payment is made and the value of the goods is rapidly diminished, refunds are available only if the purchased product has not been used to access content. If content has not been used and the request is made within 7 days of payment, a full refund is given. If content has not been used and more than 7 days have passed since payment, the refund is the amount "prorated on the basis of the unused period" from the start date to the end date of the purchased product, less a 10% fee. For recurring subscription products, each payment is treated as a separate product.

2. In accordance with the Act on the Consumer Protection in Electronic Commerce, the Company clearly displays this in a place where it can easily be found, or lets users check service quality in advance through free sample content.

3. Previous purchases of content whose sale or access has ended due to termination of a contract cannot be refunded.

4. No refund is available if the user's account is suspended for violating these Terms.

5. If a content publisher violates these Terms and the subscribed content service is suspended, any portion of the user's payment not yet paid to the content publisher can be refunded immediately.

6. Paid accounts cannot be put on hold, and usage periods cannot be changed.

7. Refund requests can be submitted through customer support.

• help@mediasphere.kr

Article 12 (Responsibilities as an intermediary)

1. The Company establishes and operates a damage-compensation body to reflect legitimate opinions or complaints raised by users and to compensate for damage.

2. The Company handles complaints and opinions submitted by users as a priority. If prompt handling is difficult, the Company will immediately notify the user of the reason and the processing schedule.

3. Where a user applies for relief in connection with an e-commerce dispute between the Company and the user, the matter may be settled through mediation by the Fair Trade Commission or a dispute mediation body commissioned by a city or provincial governor.

Article 13 (Technical requirements for using the service)

1. Normal use of the service requires the following minimum specifications. The Company is not responsible if a user objects to the service for reasons of not meeting these specifications.

• Operating system: Windows or any OS that can run a web browser
• Web browser: Internet Explorer 9.0 or later, Chrome, Safari, Firefox, Edge
• Mobile devices: Android, iPhone, iPad
• Internet connection costs incurred when accessing the service are borne by the user.

Article 14 (Knowledge creators' content, email sending and paid subscriptions)

1. Copyright in content published by a knowledge creator belongs to the knowledge creator.

2. A knowledge creator may send subscribers emails containing content commissioned by an advertiser. Such emails must carry an explicit "(Ad)" label at the very start of the subject line; the knowledge creator is responsible for any dispute arising from sending them without the label.

3. If a knowledge creator publishes content that violates the operating principles, the Company may suspend the paid subscription feature without notice.

4. In the case of item 3, all published content is made private, and any unsettled amount from the suspended paid subscriptions is automatically refunded to users.

Article 15 (Users' use of content and rights)

1. All content provided by the Company has no age restriction by default, but access differs by membership tier.

2. Users must not copy, transmit, republish or modify content beyond their permitted viewing rights.

Article 16 (Updates)

1. If new software is required or added to use the service, the Company may, with the user's consent, require that software be automatically updated or installed on the device.

2. The Company may continuously change and improve the service and may add or remove features.

Article 17 (Service interruption)

1. The Company provides the service during the hours set by its business policy, with the following exceptions:

• Maintenance, replacement or regular inspection of information and communication equipment such as computers and servers
• Reorganization of the site and service
• Where needed to respond to service instability such as network or security incidents
• Where normal service is impossible due to natural disasters, emergencies, power outages, equipment failure or surges in user traffic
• Where the service is placed under control by the competent government authority
• Where there is a serious business need, such as a split, merger, transfer or closure of the business, or a decline in the Company's revenue

2. For the reasons above, the Company may interrupt the service and will announce this on the website 30 days in advance. Where prior notice is impossible for unavoidable reasons, notice may be given afterwards.

Article 18 (Compensation for damages)

1. The Company will be responsible for damage suffered by members in connection with use of the service where the Company acted intentionally or negligently.

2. If a service interruption caused intentionally or negligently by the Company, without prior notice, lasts six or more consecutive hours, the Company will grant service time equal to twice the interruption.

3. If the Company closes the site or ends the service completely for business reasons, it will refund as follows:

• Monthly payments: full refund
• Annual payments: refund after deducting monthly fees up to the month before the closure or end date

4. Where the Company partners with an outside operator to provide an external service and the member has agreed to that operator's terms, the operator is responsible for damage if a problem arises.

5. If content provided to users differs from what was displayed or advertised, the Company will compensate in an appropriate way within three months of the date the content was supplied, or within 30 days of the date the user learned or could have learned of the fact.

Article 19 (Overpayments)

1. If an overpayment occurs, the Company refunds it by the same method the member used to pay; if refunding by the same method is impossible, the Company will give notice in advance.

2. If an overpayment occurs for reasons attributable to the Company, the full overpayment is refunded; if it occurs for reasons attributable to the member, the cost is shared by both parties within a reasonable range.

3. The Company handles refunds of overpayments in accordance with the content user protection guidelines.

Article 20 (Disclaimers)

1. The Company is released from responsibility for providing the service when it cannot do so due to natural disasters, war or other equivalent force majeure.

2. The Company is released from responsibility for damage caused when a telecommunications carrier suspends or fails to properly provide telecommunications services.

3. The Company is released from responsibility for damage caused by unavoidable reasons such as maintenance, replacement, regular inspection or construction of service equipment.

4. The Company is not responsible for disruption of, or damage from, use of the service caused by the member's own fault.

5. The Company is not responsible for damage caused by errors in the user's PC or mobile device, or by the member providing an inaccurate email address.

6. The Company is not liable for damage caused by materials obtained by the member through the service, or for emotional harm suffered by the member because of other members while using the service.

7. The Company is not responsible for the reliability or accuracy of information, materials or facts posted on the service.

8. The Company has no obligation to intervene in disputes arising through the service between users or between users and third parties, and is not liable for resulting damage.

Article 21 (Dispute resolution)

1. The Company establishes and operates measures and an organization to reflect legitimate opinions or complaints raised by members and users and to compensate for damage.

2. The Company handles complaints and opinions submitted by members as a priority. If prompt handling is difficult, the Company will immediately notify the user of the reason and the processing schedule.

3. Where a user applies for relief in connection with an e-commerce dispute between members, the matter may be settled through mediation by the Fair Trade Commission or a dispute mediation body commissioned by a city or provincial governor.

Article 22 (Jurisdiction and governing law)

1. If a lawsuit is filed over a dispute between the Company and a member, the court with jurisdiction over the user's address has exclusive jurisdiction (where there is no address, relevant legal provisions apply).

2. The laws of the Republic of Korea apply to these Terms and to e-commerce lawsuits between the Company and users.

Date of notice of the Terms of Service

April 5, 2021