Company: OSRH
Filing Date: 2025-01-24
Form Type: S-4/A
Source: 0001213900-25-006139
Chunk: 800

Company: OSR Holdings, Inc.
Filing Date: 2025-01-24
Form: S-4/A
Chunk 800
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eto; and WHEREAS , the Parties desire to amend the Form of Non-Participating Stockholder Joinder (Exhibit B to the Agreement) as set forth herein. NOW , THEREFORE , for good and valuable consideration, the receipt and adequacy of which are hereby acknowledged, the Parties hereby agree as follows: 1. Amendment to Exhibit B to the Agreement. Exhibit B (Form of Non-Participating Stockholder Joinder) of the Agreement be and hereby is amended and restated as set forth on Exhibit A hereto. 2. General. The Agreement together with this Amendment replaces and supersedes all other agreements, written or oral, with respect to its subject matter. Except as expressly amended and supplemented hereby, the Agreement remains in full force and effect. In the event of any conflict between the terms of this Amendment and the terms of the Agreement, the terms of this Amendment shall prevail. 3. Counterparts. This Amendment may be executed in counterparts, each of which shall be deemed an original, but all of which together shall be deemed to be one and the same agreement. A signed copy of this Amendment delivered by e-mail or other means of electronic transmission shall be deemed to have the same legal effect as delivery of an original signed copy of this Amendment. Annex B-1

IN WITNESS WHEREOF, the Company and OSR have caused this Amendment to be executed as of the date set forth below by their respective officers thereunto duly authorized.

| BELLEVUE LIFE SCIENCES ACQUISITION CORP. |     |                           |
| By                                       |     | /s/ Jin Whan Park         |
| Name:                                    |     | Jin Whan Park             |
| Title:                                   |     | BLAC M&A Committee Member |
| OSR HOLDINGS CO., LTD.                   |     |                           |
| By                                       |     | /s/ Sang Hoon Kim         |
| Name:                                    |     | Sang Hoon Kim             |
| Title:                                   |     | Chief Executive Officer   |

Dated: December 20, 2024 [Signature Page to First Amendment to Amended and Restated Business Combination Agreement]

Annex B-2 EXHIBIT A AMENDED AND RESTATED FORM OF NON-PARTICIPATING STOCKHOLDER JOINDER Annex B-3 JOINDER (Non-Participating Stockholder Form) This JOINDER (this “ Joinder ”) is entered into by and between the undersigned Non-Participating Company Stock