Company: MCHB
Filing Date: 2025-08-07
Form Type: 425
Source: 0001518715-25-000116
Chunk: 9

Company: Mechanics Bancorp
Filing Date: 2025-08-07
Form: 425
Chunk 9
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HOLDERS ON OR ABOUT JULY 16, 2025. INVESTORS AND SECURITY HOLDERS, PRIOR TO MAKING ANY INVESTMENT OR VOTING DECISION, ARE URGED TO READ THE REGISTRATION STATEMENT AND DEFINITIVE PROXY STATEMENT/PROSPECTUS/CONSENT SOLICITATION (AND ANY OTHER DOCUMENTS FILED WITH THE SEC IN CONNECTION WITH THE MERGER BY HOMESTREET OR MECHANICS BANK OR INCORPORATED BY REFERENCE INTO THE DEFINITIVE PROXY STATEMENT/PROSPECTUS/CONSENT SOLICITATION) AS WELL AS ANY AMENDMENTS OR SUPPLEMENTS TO THOSE DOCUMENTS BECAUSE SUCH DOCUMENTS CONTAIN OR WILL CONTAIN IMPORTANT INFORMATION REGARDING THE MERGER.

This current report Form 8-K is not a substitute for the Registration Statement, Proxy Statement/Prospectus/Consent Solicitation Statement or any other document that Mechanics Bank or HomeStreet (as applicable) may file with the SEC in connection with the proposed transaction. Investors and security holders may obtain free copies of these documents, including the Proxy Statement/Prospectus/Consent Solicitation Statement , and other documents filed with the SEC on its website at www.sec.gov. Investors and security holders may also obtain free copies of the documents filed with the SEC from HomeStreet on its website at https://ir.homestreet.com/sec-filings/all-filings/default.aspx.

This current report on Form 8-K does not constitute an offer to sell or the solicitation of an offer to buy any securities or a solicitation of any vote or approval nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation, or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction.

#### PARTICIPANTS IN THE SOLICITATION
Mechanics Bank, HomeStreet and certain of their directors and executive officers may be deemed participants in the solicitation of proxies from shareholders of HomeStreet in connection with the Merger. Information regarding the directors and executive officers of Mechanics Bank and HomeStreet and other persons who may be deemed participants in the solicitation of the shareholders of HomeStreet in connection with the Merger are included in the Proxy Statement/Prospectus/Consent Solicitation Statement for HomeStreet’s shareholder meeting, the prospectus filed by HomeStreet on July 16, 2025, and the Registration Statement. Information about the directors and officers of Mechanics Bank and their ownership of Mechanics