Company: MCHB
Filing Date: 2025-07-16
Form Type: 424B3
Source: 0001140361-25-026051
Chunk: 46

Company: Mechanics Bancorp
Filing Date: 2025-07-16
Form: 424B3
Chunk 46
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 rely on these exemptions. The controlled company exemption does not modify the independence requirements for the audit committee, and it is Mechanics’ intent for the combined company to continue to comply with the requirements of NASDAQ or NYSE rules with respect thereto. For additional information, please see the section entitled “ Management Following The Merger .”

#### Boards of Directors of the Combined Company
At the effective time, in accordance with the amended and restated bylaws and the merger agreement, the board of directors of the combined company will consist of the members of the Mechanics board of directors immediately prior to the effective time (the “legacy Mechanics directors”), including Carl B. Webb, who will serve as Executive Chairman of the board of directors of the combined company, and one (1) director who was a member of the HomeStreet board of directors immediately prior to the effective time and designated by Mechanics (the “legacy HomeStreet director”). Mechanics has designated Nancy D. Pellegrino as the legacy HomeStreet director.

Following the effective time, pursuant to the registration rights agreement, as long as Rabobank and its permitted transferees (the “Rabobank Parties”) beneficially own, in the aggregate, at least 4.9% of the outstanding capital stock and other classes of equity securities of the combined company, the Rabobank Parties will have the right to appoint

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#### TABLE OF CONTENTS
one (1) observer to the combined company board of directors, and from and after such time as the Rabobank Parties acquire additional shares of the combined company’s voting common stock such that they beneficially own, in the aggregate 9.9% or more of the combined company’s voting common stock, the Rabobank Parties will have the right to appoint one (1) director to the combined company board of directors (subject to the combined company’s board of directors’ reasonable approval). Immediately following the effective time, the board of directors of the combined company is expected to consist of: Carl B. Webb, E. Michael Downer, Patricia Cochran, Adrienne Crowe, Douglas Downer, Kenneth D. Russell, Jon Wilcox and Nancy D. Pellegrino.

**Committees of the Combined Company Board of Directors Following the Merger**

The HomeStreet board of directors has an established standing executive committee, audit committee, compensation committee, enterprise risk management committee, and nominating and governance committee, each of which operate pursuant to a charter adopted by the HomeStreet board