[NOTICE] CORTIS The 1st EP [COLOR OUTSIDE THE LINES] Fan Signing Event Details (withmuu)

Hello. We are pleased to announce that we are holding a fan signing event to celebrate the release of CORTIS The 1st EP [COLOR OUTSIDE THE LINES]. We will announce any additional fan signing events through CORTIS Weverse and Official CORTIS X. < CORTIS The 1st EP [COLOR OUTSIDE THE LINES] Fan Signing Event > #withmuu · Time and Date of Event: 8:30 PM, Friday, September 12, 2025 (KST) · Entry Period: From 11:00 AM, Monday, September 1, 2025 to 11:59 PM, Sunday, September 7, 2025(KST) · Retailer: withmuu (KR) / (EN) / (JP) / (CN) · Event Process: 50 winners selected through a raffle among those who purchased CORTIS The 1st EP [COLOR OUTSIDE THE LINES] album(Scene 1, Scene 2, Scene 3) or The 1st EP [COLOR OUTSIDE THE LINES](Weverse Albums ver.) ※ The 1st EP [COLOR OUTSIDE THE LINES(Singing Bowl ver.)], The 1st EP [COLOR OUTSIDE THE LINES(Vinyl)] albums are not eligible for entry into this event. · Inquiries: withmuu(1544-4205) / cs@withmuu.com (Weekdays 10 AM - 5 PM / Lunch break 12 PM - 2 PM) · Winner Announcement: After 8:00 PM, Monday, September 8, 2025(KST), announced on the withmuu website [ Notes ] This event may be changed, or the event time may change depending on the circumstances on the day of the event. In case of such a change, we will notify you through CORTIS Weverse notice or the official X account. [ Important Information ] 1. You can get the autograph only on CORTIS The 1st EP [COLOR OUTSIDE THE LINES] album. * It is not allowed to get the autograph on items other than the album prepared on-site, and you can only get the autograph on the assigned pages inside the album. (Photo cards, personal belongings, other album components, etc., are not allowed.) For those who may have received autographs on such items, the on-site staff may collect them. - Albums purchased to apply for the fansign event cannot be canceled or refunded. 2. All participants of the fan signing event must bring a valid ID. ※ Valid forms of ID for identity verification - For Korean Nationality Holders: Passport, Resident Registration Card, Driver’s License, Youth ID (issued at Community Service Centers), Mobile ID (issued by Government24, Ministry of the Interior and Safety & National Police Agency, or PASS) - For Non-Korean Nationality Holders: Passport, Residence Card * Other forms of ID will not be accepted (e.g., Student ID, photocopy/photo of ID, a certified copy of ID, etc.) * Student IDs will not be accepted for identity verification. * Photographs, printouts, or mobile screenshots of IDs will not be accepted. You may be asked to open and run the mobile ID app on-site. * Your ID should match the information you used in the application, and you must bring a physical ID containing your name, date of birth, and a photo. You will be restricted from participating if the information on your ID does not match the information on your application. * Only physical IDs that have not expired will be considered valid forms of ID. * An ID of a Korean nationality holder must include a photo, clearly indicate the date of birth(6-digit) and the holder’s name, and must be issued by the head of a public agency. * An application certificate must have a seal of the head of the agency between pages, and personal information, including the photo, issue number, and expiry date, must be covered with clear tape. An ID suspected of forgery or alteration will not be accepted. * If you applied in a language other than English and thus cannot verify with your English name on your passport, we may ask on-site for an additional ID card that shows your picture and your name in that language. We ask you to prepare in advance and for your cooperation. * While verifying your identity, we may request additional verification, such as asking questions to prevent cases of ticket transference or ID forgery. 3. Only the winner may participate (one ticket per person), and your entry in the event cannot be transferred or sold. (If such violations are discovered, you will not be able to participate) 4. If fraudulent attempts or transactions such as transfer or selling of the winning ticket are discovered, the violators will not be able to participate in any of the future events of CORTIS. 5. Participants may take photos or videos at their assigned seats inside the venue. However, taking photos, videos or voice recording, including selfies with poses and taking photos with instant photos are prohibited when they are waiting in line or getting the autograph. If such actions are discovered, the files and recordings will be immediately confiscated or deleted and the participant in question will be removed from the venue. 6. Participants that are discovered to have moved to or installed cameras or tripods in seats or areas other than their assigned seats will be asked to leave the premises. We ask you to follow the instructions of the on-site staff. 7. Props for photo and video shooting cannot be given to the artists at this fan sign event. 8. We do not receive sticky notes for this event, and excessive requests other than obtaining the autograph on the album are not allowed. (For example, requests for drawings, writing P.S. comments, etc. are prohibited.) The only exception is for sticky notes that are written solely for your reference, for example, scripts and notes to remind yourself of the questions or words that you would like to share with the artist. However, if the notes are attached to the album or contain inappropriate comments or requests, the on-site staff may collect them before the artist signs the album. 9. If you have any inquiries other than those stated in this notice, please inquire at each retailer. * Applicants’ personal information will be provided as below to select the winners, verify their identities, and proceed with the event. ※ Consent to the Collection and Use of Personal Information - Agent of Collection: HYBE Co., Ltd., BigHit Music Co., Ltd., Weverse Company Inc., withmuu - Purpose of Collection: To select winners for and proceed with the CORTIS The 1st EP [COLOR OUTSIDE THE LINES] album fan signing event - Items Collected: Personal Information Items: Name, contact details, date of birth - Period of Retention and Use: From the moment of sign-up until within seven days after the termination of the fan signing event. However, information of the applicants not selected for the event will be discarded immediately after the results have been announced. Thank you.