Company: MCHB
Filing Date: 2025-07-03
Form Type: S-4
Source: 0001140361-25-024872
Chunk: 697

Company: Mechanics Bancorp
Filing Date: 2025-07-03
Form: S-4
Chunk 697
---
 holders of any class of securities of HomeStreet or holders of any class of securities of Mechanics Bank or any other party to any transaction contemplated by the Agreement; (v) the actual value of HomeStreet Common Stock to be issued in the Transaction; (vi) the prices, trading range or volume at which HomeStreet Common Stock will trade following the public announcement of the Transaction or the price, trading range or volume at which HomeStreet Common Stock will trade following the consummation of the Transaction; (vii) any advice or opinions provided by any other advisor to any of the parties to the Transaction or any other transaction contemplated by the Agreement; or (viii) any legal, regulatory, accounting, tax or similar matters relating to HomeStreet, HomeStreet Bank, Mechanics Bank, any of their respective shareholders, or relating to or arising out of or as a consequence of the Transaction or any related transactions, including whether or not the Transaction would qualify as a tax-free reorganization for United States federal income tax purposes.

<div align='center'>E-4</div>

TABLE OF CONTENTS

The Board of Directors – HomeStreet, Inc. March 28, 2025 Page 5 of 5 This opinion is for the information of, and is directed to, the Board (in its capacity as such) in connection with its consideration of the financial terms of the Transaction. This opinion does not constitute a recommendation to the Board as to how it should vote on the Transaction, or to any HomeStreet shareholder or any shareholder of any other entity as to how to vote in connection with the Transaction or any other matter, nor does it constitute a recommendation regarding whether or not any such shareholder should enter into a voting, shareholders’, or affiliates’ agreement with respect to the Transaction or exercise any dissenters’ or appraisal rights that may be available to such shareholder. This opinion has been reviewed and approved by our Fairness Opinion Committee in conformity with our policies and procedures established under the requirements of Rule 5150 of the Financial Industry Regulatory Authority. Based upon and subject to the foregoing, it is our opinion that, as of the date hereof, the Merger Consideration in the Transaction is fair, from a financial point of view, to HomeStreet.

| Very truly yours,             |
| Keefe, Bruyette & Woods, Inc. |

E-5

#### TABLE OF CONTENTS

#### Annex F
EXECUTION VERSION

### VOTING AND SUPPORT AGREEMENT
This VOTING AND SUPPORT AGREEMENT, dated as of March