Company: MCHB
Filing Date: 2025-07-15
Form Type: S-4/A
Source: 0001140361-25-025920
Chunk: 311

Company: Mechanics Bancorp
Filing Date: 2025-07-15
Form: S-4/A
Chunk 311
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 interests the legal acquiree would have had to issue to give the owners of the legal acquirer the same percentage equity interest in the combined entity that results from the reverse acquisition.”

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TABLE OF CONTENTS

The first step in estimating the purchase price in the merger is to determine the pro forma ownership of the combined company following the merger. The tables below show the calculation to determine the pro forma ownership of HomeStreet common stock following the merger using shares of HomeStreet common stock and Mechanics common stock outstanding at March 31, 2025 and the fixed exchange ratio of 3,301.0920 applied to shares of outstanding Mechanics voting common stock and 330.1092 to shares of outstanding Mechanics non-voting common stock.

|                                                                                         |     | HomeStreet |     |   Mechanics |
| Shares of voting common stock outstanding and converting to shares as of March 31, 2025 |     | 19,163,854 |     |      60,854 |
| Fixed exchange ratio                                                                    |     |            |     |  3,301.0920 |
| Shares of non-voting common stock outstanding as of March 31, 2025                      |     |            |     |       3,376 |
| Fixed exchange ratio                                                                    |     |            |     |    330.1092 |
| HomeStreet shares to be issued to Mechanics shareholders                                |     |            |     | 201,999,332 |

| Pro Forma HomeStreet Ownership as of March 31, 2025 |     | Pro Forma Shares |     | Percentage Ownership |
|:----------------------------------------------------|:----|-----------------:|:----|:---------------------|
| Mechanics Bank shareholders                         |     |      201,999,332 |     | 91.33%               |
| HomeStreet shareholders                             |     |       19,163,854 |     | 8.67%                |
|                                                     |     |      221,163,186 |     | 100%                 |
| Pro Forma Ratio of HomeStreet to Mechanics          |     |                  |     | 9%                   |

| Hypothetical Mechanics ownership as of March 31, 2025                         |     | Number of Shares |     | Percentage Ownership |
|:------------------------------------------------------------------------------|:----|-----------------:|:----|:---------------------|
| Hypothetical number of Mechanics shares issued to HomeStreet shareholders     |     |      201,