Company: OSRH
Filing Date: 2025-01-29
Form Type: S-4/A
Source: 0001213900-25-007923
Chunk: 805

Company: OSR Holdings, Inc.
Filing Date: 2025-01-29
Form: S-4/A
Chunk 805
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 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 Stockholder set forth on the signature page hereto (the “ Joined Party ”) and Bellevue Life Sciences Acquisition Corp., a Delaware corporation (“ BLAC ”). Capitalized terms used but not defined herein shall have the meanings set forth in the Agreement (as defined below). WHEREAS, BLAC, OSR Holdings Co., Ltd., a corporation organized under the laws of the Republic of Korea (the “ Company ”), each holder of Company Common Stock that executes a Participating Stockholder Joinder on or prior to the Closing (each such Person, a “ Participating Company Stockholder ”), and each holder of Company Common Stock that executes a Non-Participating Stockholder Joinder on or prior to the Closing (each such Person, a “ Non-Participating Company Stockholder ”, and together with BLAC, the Company and the Participating Company Stock