Company: MCHB
Filing Date: 2025-07-03
Form Type: S-4
Source: 0001140361-25-024872
Chunk: 525

Company: Mechanics Bancorp
Filing Date: 2025-07-03
Form: S-4
Chunk 525
---
OF, the Parties have caused this Agreement to be duly executed as of the date first above written.

| [•] |     |            |
| By: |     |            |
|     |     | Name: [•]  |
|     |     | Title: [•] |
| [•] |     |            |
| By: |     |            |
|     |     | Name:      |
|     |     | Title:     |
| [•] |     |            |

| By: |     |            |
|     |     | Name: [•]  |
|     |     | Title: [•] |
| [•] |     |            |

| By: |     |            |
|     |     | Name: [•]  |
|     |     | Title: [•] |

A-69

TABLE OF CONTENTS

Schedule 1

| Holder |     | Shares of Voting 
 Company Common   
 Stock            |     | Notice Information |
| [•]    |     | [•]              |     | [•]                |
| [•]    |     | [•]              |     | [•]                |

A-70

#### TABLE OF CONTENTS

#### Exhibit A

#### Form of Written Consent
FINAL FORM

#### Form of

#### Action by Written Consent of Shareholders

#### of

### MECHANICS BANK

#### [Date]
<div align='center'>Pursuant to Section 603 of the Corporations Code of the State of California</div>

The undersigned (the “ Consenting Holders ”), being holders of issued and outstanding shares of the common stock, par value $50 per share (the “ Common Stock ”, which shares of Common Stock are set forth on Annex A ), of Mechanics Bank, a California corporation (the “ Corporation ”), in accordance with Section 603 of the California Corporations Code (the “ CCC ”), as amended, and Section 2.11 of the Bylaws of the Corporation, hereby irrevocably consent in writing to the following actions in lieu of a meeting of the shareholders of the Corporation (the “ Shareholder s”), with the same force and effect as if taken at a duly convened meeting of the Shareholders:

Shareholder Approval

WHEREAS , the Board of Directors of the Corporation (the “ Board”) has (a) approved and declared advisable that certain Agreement and Plan of Merger, dated as of March 28,