Article 1 (Purpose)

These Terms of Service set forth the conditions and procedures for using the SMS message transmission service (the “Service”)
provided on OOOOOOOO.com (the “Site”) operated by OOOO (the “Company”), as well as the rights, obligations, and other necessary
matters between the Company and members.

Article 2 (Effect and Amendment of Terms)

1. These Terms become effective when posted on the Company’s Site and notified to users.
2. The Company may establish and amend these Terms within the scope permitted by applicable laws.
3. If the Company amends these Terms, it will announce the effective date on the Site from seven (7) days prior to the effective
   date until the day before the effective date. The amended Terms become effective in the same manner as Paragraph 1.
4. If a member does not agree to the amended Terms, the member may stop using the Service and withdraw membership at any time.
   Continued use of the Service after the effective date of the amended Terms is deemed acceptance of the amendments.

Article 3 (Application of Terms)

1. Matters not specified in these Terms shall be governed by applicable laws and regulations, and if not prescribed therein,
   by general commercial practices.

Article 4 (Definitions)

1. The definitions of terms used in these Terms are as follows:

1. Member: An individual who agrees to these Terms, is issued a user ID and password necessary for using the Service,
   and uses the Service on the Site operated by the Company.
2. User ID: A combination of letters and numbers consisting of 4 to 12 characters designated by the Member for
   identification and use of the Service.
3. Password: A combination of letters or numbers consisting of 4 to 12 characters established to verify that the person
   matches the issued User ID and to protect the Member’s confidentiality.

Chapter 2. Formation of Contract

Article 5 (Application for Membership)

1. A user applies for membership by faithfully completing the membership form designated by the Company and indicating agreement
   to these Terms. In principle, the Company approves membership after completing the real-name verification procedure set by the Company.

Article 6 (Formation of Contract)

1. The Service use agreement is formed when the user applies and the Company accepts the application.
2. The Company may withhold acceptance of an application if any of the following applies:

1. Insufficient capacity in the Company’s facilities
2. Technical difficulty in implementing the Service
3. Other reasons attributable to the Company that make acceptance difficult

3. The Company may reject an application, and even after acceptance, may terminate the agreement without prior notice, if any of the
   following applies:

1. The applicant is not using their real name
2. The applicant applies using another person’s identity
3. The applicant provides false information in the application
4. The applicant is likely to disrupt normal operation of the Service or interfere with other users’ use of the Service
5. The applicant is registered as a delinquent debtor under the Act on the Use and Protection of Credit Information
6. The applicant is registered as a problematic internet user by the relevant ethics authority
7. Application requirements are incomplete or identity verification is not possible
8. Other reasons attributable to the applicant that make acceptance difficult

Article 7 (Use and Change of User ID)

1. The User ID designated at registration cannot be changed in principle and must not be used by any third party.

Chapter 3. Obligations of the Parties

Article 8 (Obligations of the Company)

1. The Company shall not engage in acts prohibited by law or these Terms and shall make best efforts to provide the Service continuously
   and stably in accordance with these Terms.
2. The Company shall take necessary measures to protect and manage members’ personal information for safe use of the Service.
3. If the Company determines that opinions or complaints raised by users are justified, it shall process them promptly. If prompt handling
   is difficult, the Company shall notify the user of the reason by email, phone, etc.
4. The Company shall not disclose or distribute members’ personal information to third parties without consent, except in the following cases:
   1. When requested by a government agency pursuant to applicable laws such as the Framework Act on Telecommunications
   2. When necessary for criminal investigations or upon request from a relevant ethics authority
   3. When requested pursuant to procedures set forth in applicable laws

Article 9 (Obligations of Members)

1. Members shall comply with all matters stipulated in these Terms and all service guides and cautions.
2. Members shall provide and maintain truthful, accurate, and complete information that matches current facts.
3. Members are responsible for managing their User ID and password, and any consequences arising from negligence are the Member’s responsibility.
4. Members shall not allow third parties to use their User ID or password. If a Member becomes aware of theft or unauthorized use,
   the Member shall immediately notify the Company and follow the Company’s instructions.
5. Members shall not engage in acts that harm public order or morals, or any of the following:
   1. Unauthorized use of another user’s ID
   2. Hacking or distribution of computer viruses
   3. Repeated transmission of advertising or similar information against the recipient’s intent
   4. Infringement of intellectual property rights of others
   5. Acts for the purpose of committing crimes or inciting crimes
   6. Acts intended to commit anti-state crimes
   7. Acts that harm good morals or social order
   8. Any act that interferes with or may interfere with stable operation of the Service

Chapter 4. Use of Service, Restrictions, and Notices

Article 10 (Use of Service)

1. The Service is available immediately after the Company confirms membership registration.
2. The Service is available 24 hours a day, 365 days a year, unless there are operational or technical reasons. However, the Service may be
   unavailable during periods designated by the Company for system maintenance, in which case the Company will announce such information
   before or after the event.

Article 11 (Restriction and Suspension of Service)

1. The Company may restrict or suspend all or part of the Service if any of the following applies:
   1. Unavoidable due to maintenance, inspection, or construction of service facilities
   2. Telecommunication services are suspended by a carrier under the Telecommunications Business Act
   3. War, civil unrest, natural disasters, or a comparable national emergency occurs or is likely to occur
   4. Service disruption due to facility failure or traffic surge
   5. Acts that damage another person’s reputation or cause disadvantage
   6. Failure to pay service fees by the due date
   7. Intentional distribution of content harmful to public order or morals
   8. Continuous transmission of advertising messages without the recipient’s consent or against their intent

Article 12 (Notes on Use of Service)

1. If message transmission is concentrated, transmission may be delayed or fail. Members must confirm the delivery result after sending.
   Any disadvantages caused by failure to confirm the result are the Member’s responsibility.
2. A message is deemed successfully transmitted when it is normally delivered to the SMS transmission system of each mobile carrier.
3. The Company is not liable for losses caused by messages not received because the recipient is outside the service area or unable to receive,
   or messages deleted by the system after exceeding the retry time (12 hours).

Article 13 (Copyright of Posts)

1. Intellectual property rights to materials posted or registered by users on the Service pages belong to the user. However, the Company retains
   the right to post such materials on the Service website and may use the user’s posts within the scope of the Service.
2. Users may not commercially use posted materials (including processing or selling information obtained through the Service). Users are responsible
   for any issues arising from violations.
3. The Company is not liable for any damages related to review, search, or management of user posts.

Article 14 (Refund of Fees, etc.)

1. If there is any overpayment or erroneous payment, the Company shall refund the amount. If caused by the Company, the Company shall refund with
   reasonable interest at the statutory rate.
2. For prepaid plans only, a user may request a refund of prepaid fees before using the Service. In such cases, the Company will refund the requested
   amount to the user’s bank account by the end of the following month from the date of request. Refunds are available only if the requested amount is
   at least KRW 10,000, and a certain fee may be deducted.
3. For mobile phone or credit card payments, refunds are available only after payment is completed; refunds are not available if unpaid.
4. After reviewing the reason for refund, the Company may refund by recharging the member’s account with an equivalent number of message credits or by
   depositing cash into the customer’s account in accordance with these Terms.
5. For refund requests, the Company will refund the remaining balance after deducting: (i) a penalty of 20% of the total usage fee as specified in
   “Consumer Damage Compensation Related to Internet Use” notified by the Ministry of Economy and Finance, and (ii) PG fees and remittance costs.

Chapter 5. Damages and Disclaimer

Article 15 (Damages)

1. If members cannot use the Service due to reasons attributable to the Company, the Company shall compensate for damages.
2. The method and procedures for compensation shall follow applicable laws and regulations.
3. If damages occur to a third party or the Company due to a member’s violation of these Terms or applicable laws, the member shall be liable for
   such damages.

Article 16 (Disclaimer)

1. The Company is exempt from liability where damages arise from force majeure such as natural disasters or from the customer’s intent or negligence.
2. The Company is not responsible for the content of materials posted or transmitted by users.
3. The Company is not liable if it cannot provide free services due to reasons attributable to the Company.

Article 17 (Dispute Resolution)

1. In the event of a dispute regarding personal information, the Company and the user may request mediation by the Personal Information Dispute
   Mediation Committee within the Korea Information Security Agency (KISA) for prompt and effective resolution.
2. If litigation is filed regarding disputes arising from service use (including fees), the court having jurisdiction over the location of the
   Company’s head office shall be the competent court.