Company: MCHB
Filing Date: 2025-08-07
Form Type: 425
Source: 0001518715-25-000116
Chunk: 6

Company: Mechanics Bancorp
Filing Date: 2025-08-07
Form: 425
Chunk 6
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 14,105.9 |     | $          | 6,062.0 |
| Tangible Common Equity        |     | $         |  1,573.0 |     | $          |   397.0 |

6. The disclosure under “Governance of the Combined Company After the Merger” on page 163 of the Proxy Statement/Prospectus/Consent Solicitation Statement is hereby supplemented adding the following to the end of the first full paragraph:

On June 24, 2025, on behalf of Mechanics, Carl B. Webb requested that Nancy D. Pellegrino serve as continuing director of the combined company and as the legacy HomeStreet director in accordance

with the terms of the Merger Agreement. Ms. Pellegrino has agreed to serve as the legacy HomeStreet director.

CAUTIONARY NOTE REGARDING FORWARD-LOOKING STATEMENTS

This report contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995 (the “ Reform Act ”). Generally, forward-looking statements include the words “anticipate,” “believe,” “estimate,” “expect,” “intend,” “may,” “plan,” “potential,” “goal,” “upcoming,” “outlook,” “guidance” or “project” or the negation thereof, or similar expressions, including statements relating to the anticipated closing of the above-referenced sale. In addition, all statements in this report that address and/or include beliefs, assumptions, estimates, projections and expectations of our future performance and financial condition are forward-looking statements within the meaning of the Reform Act. Forward-looking statements involve inherent risks, uncertainties and other factors, many of which are difficult to predict and are generally beyond management’s control. Forward-looking statements are based on the Company’s expectations at the time such statements are made and speak only as of the date made. The Company does not assume any obligation or undertake to update any forward-looking statements after the date of this report as a result of new information, future events or developments, except as required by federal securities or other applicable laws, although the Company may do so from time to time. For all forward-looking statements, the Company claims the protection of the safe harbor for forward-looking statements contained in the Reform Act.

We caution readers that actual results may differ materially from those expressed in or implied by the Company’s forward-looking statements. Rather, more important factors could affect the Company’s future results, including but not limited to the following: (1