Company: PFSA
Filing Date: 2025-05-13
Form Type: S-4/A
Source: 0001213900-25-042224
Chunk: 798

Company: Profusa, Inc.
Filing Date: 2025-05-13
Form: S-4/A
Chunk 798
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 be amended only by a written agreement executed by each of the parties thereto; WHEREAS, Parent and the Company desire to amend the Merger Agreement as set forth in this Amendment; and In consideration of the mutual promises contained herein, and for other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the parties hereto agree as follows: 1. Amendment. a)Section 9.01 of the Merger Agreement is hereby amended such that the reference to “March 22, 2025” shall be replaced with “June 22, 2025”. 2. No Other Amendments, etc.Except as provided in this Amendment, the Merger Agreement shall remain unmodified and in full force and effect, and the execution of this Amendment is not a waiver by the Company or Parent of any of the terms or provisions of the Merger Agreement and each party reserves any and all other rights and remedies available to it under the Merger Agreement. All reference in and to the Merger Agreement (including any annexes, exhibits or schedules thereto) shall be deemed to be references to the Merger Agreement as amended by this Amendment. 3. Governing Law.This Amendment and the legal relations among the Parties with respect to this Amendment will be governed by and construed in accordance with the provisions contained in Section 9.03 of the Merger Agreement. 4. Counterparts.This Amendment may be executed by signatures exchanged via facsimile or other electronic means and in one or more counterparts, each of which shall be deemed an original, but all of which together shall constitute one and the same instrument. [ Signature page follows] [Signature Page To Amendment To Merger Agreement] Annex A-5-1

IN WITNESS WHEREOF, the parties hereto have caused this Amendment to be duly executed as of the day and year first above written.

| Parent:                     |     |                   |     |                    |
| NORTHVIEW ACQUISITION CORP. |     |                   |     |                    |
| By:                         |     | /s/ Fred Knechtel |     |                    |
|                             |     | Name:             |     | Fred Knechtel      |
|                             |     | Title:            |     | CFO and Co-Founder |

| Merger Sub:                 |     |                   |     |               |
| NV PROFUSA MERGER SUB, INC. |     |                   |     |               |
| By:                         |     | /s