Item 4 of Schedule 13D is hereby amended by deleting the final paragraph and replacing with the following new paragraphs: On December 17, 2024, Mainstream Holdings, Ltd. (the "Mainstream Holdings"), the beneficial owner of 100% of the interests of MiCo IVD, entered into a Share Purchase Agreement with DAYLI Holdings (the "2024 Share Purchase Agreement"), pursuant to which Mainstream Holdings agreed to sell to DAYLI Holdings all of its equity interests in MiCo IVD for a total of 15,000,000,000 South Korean won (the "2024 MiCo IVD Purchase"). The 2024 MiCo IVD Purchase is expected to close on December 20, 2024, following which time DAYLI Holdings will become the sole shareholder of MiCo IVD. In connection with the 2024 MiCo IVD Purchase, on December 17, 2024, Mainstream Holdings and MiCo Parent entered into an Amendment Agreement to the Swap Agreement (the "Swap Amendment"), pursuant to which Mainstream Holdings will assign all of its rights, obligations and contractual positions under the Swap Agreement to DAYLI Holdings. The Swap Amendment, among other things, also extends the maturity date under the Swap Agreement to December 21, 2025. Each of the foregoing descriptions of the 2024 Share Purchase Agreement and the Swap Amendment, as applicable, does not purport to be complete and is qualified in its entirety by reference to the full text of such agreement, unofficial English translation copies of which are incorporated by reference as exhibits to this Schedule 13D. The applicable Reporting Persons made all acquisitions as described herein for investment purposes. As of the date of this Schedule 13D, the Reporting Persons may determine to dispose of all or a portion of MiCo IVD's holdings in the Issuer. Any disposition of these holdings may be made through private or public sales, including pursuant to the Resale Registration Statement, any trading plans that MiCo IVD might adopt pursuant to Rule 10b-5(1) under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or any hedging transactions. The Reporting Persons intend to review their investment in the Issuer on an ongoing basis and, in the course of their review, subject to the Conversion Limitation (as defined above), may acquire additional equity interests, may retain or sell all or a portion of the equity interests of the Issuer held by the Reporting Persons, may distribute such equity interests held by the Reporting Persons to other entities and/or may take actions (including through their affiliates) with respect to their investment or the Issuer, including, without limitation, communicating with the Issuer's board of directors (the "Board"), members of management or other security holders of the Issuer, or other third parties (including, among others, creditors) from time to time, taking steps to implement a course of action with respect to the Issuer, including, without limitation, engaging advisors, including legal, financial, regulatory, technical and/or industry advisors, to assist in any review, and evaluating strategic alternatives regarding the Issuer and the ADS Investment. Such discussions and other actions may relate to, subject to the terms and conditions of the documents described herein to which the Reporting Persons are a party, various alternative courses of action, including, without limitation, those related to an extraordinary corporate transaction (including, but not limited to, an acquisition, merger, business combination, reorganization or liquidation) involving the Issuer or any of its subsidiaries; a sale or transfer of a material amount of assets of the Issuer or any of its subsidiaries; material asset purchases; the formation of joint ventures with the Issuer or any of its subsidiaries or the entry into other material projects; changes in the present business, operations, strategy, future plans or prospects of the Issuer, financial or governance matters; changes to the Board (including board composition) or management of the Issuer; nominating individuals for consideration by the nomination committee of the Board for appointment to the Board; changes to the capitalization, ownership structure, dividend policy, business or corporate structure or governance documents of the Issuer; de-listing or de-registration of the Issuer's securities, or any action similar to those enumerated above. The Reporting Persons reserve the right to, and may in the future, discuss, meet with, and/or send correspondence to (a) the Issuer's management and/or Board, (b) other holders of securities of the Issuer, and/or (c) other third parties (including creditors) to discuss and/or formulate any plans or proposals regarding the Issuer or its securities. No Reporting Person has any present plan or proposal which would relate to or result in any of the matters set forth in subparagraphs (a) - (j) of Item 4 of Schedule 13D except as set forth herein or such as would occur upon or in connection with completion of, or following, any of the actions discussed herein. There can be no assurance, however, that any of the Reporting Persons will take any of the foregoing actions, and the Reporting Persons may, at any time and from time to time, review or reconsider their position and/or change their purpose and/or plans or proposals with respect thereto. This document (including the foregoing statements in this paragraph) is not intended to, and does not, constitute or form part of any offer, possible offer, invitation or the solicitation of an offer by the Reporting Persons to purchase, otherwise acquire, subscribe for, sell or otherwise dispose of, any securities, or the solicitation of any vote or approval in any jurisdiction, pursuant to this document or otherwise. The information set forth in or incorporated by reference in Item 3 of this Schedule 13D is incorporated by reference into this Item 4.