Company: MCHB
Filing Date: 2025-07-03
Form Type: S-4
Source: 0001140361-25-024872
Chunk: 792

Company: Mechanics Bancorp
Filing Date: 2025-07-03
Form: S-4
Chunk 792
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 as of immediately prior to, and subject to, the effectiveness of this Agreement on the Effective Date; provided , that Section 5.8, 7.4 and Article VIII thereof shall not survive such termination, notwithstanding anything to the contrary therein.

Section 7.15 Counterparts and Facsimile Signature; Effectiveness . This Agreement may be executed in two (2) or more counterparts (including by facsimile or other electronic means such as “.pdf” or “.jpg” files), each of which shall be deemed to constitute an original, but all of which together shall be deemed to constitute one and the same instrument, it being understood that all parties hereto need not sign the same counterpart. Following the execution of this Agreement by each of the parties hereto, this Agreement shall become effective on the Effective Date; provided , that if the Merger Agreement is terminated, this Agreement shall automatically terminate and be null and void and of no effect, and the Shareholders Agreement shall remain in full force and effect subject to the terms thereof.

<div align='center'>[ Signature Pages Follow ]

H-29</div>

TABLE OF CONTENTS

IN WITNESS WHEREOF, each of the undersigned has executed this Agreement or caused this Agreement to be executed on its behalf as of the date first written above.

| HOMESTREET, INC. |     |                                            |
| By:              |     | /s/ Mark Mason                             |
| Name:            |     | Mark Mason                                 |
| Title:           |     | Chairman of the Board of Directors and CEO |

| MECHANICS BANK |     |                                    |
| By:            |     | /s/ Carl B. Webb                   |
| Name:          |     | Carl B. Webb                       |
| Title:         |     | Chairman of the Board of Directors |

[Signature Page to Registration Rights Agreement] H-30

TABLE OF CONTENTS

| EB ACQUISITION COMPANY LLC    |     |                  |     |                   |
| By:                           |     | /s/ Carl B. Webb |     |                   |
|                               |     | Name:            |     | Carl B. Webb      |
|                               |     | Title:           |     | Authorized Person |
| EB ACQUISITION COMPANY II LLC |     |                  |     |                   |
| By:                           |     | /s/ Carl B. Webb |     |                   |
|                               |     | Name:            |     | Carl B. Webb