Company: MCHB
Filing Date: 2025-03-31
Form Type: 425
Source: 0001518715-25-000041
Chunk: 8

Company: Mechanics Bancorp
Filing Date: 2025-03-31
Form: 425
Chunk 8
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 in the third quarter of this year. The merger will give you and all our customers a substantially broader, more convenient network of banking centers — 168 in all — in California, Oregon, Washington and Hawaii. It will also result in a greater capacity and wherewithal to meet their banking and lending needs. Frequently Asked Questions Who is Mechanics Bank? Mechanics Bank is a 120-year-old full-service community bank based in Walnut Creek, California, with 112 branches throughout California and more than $16 billion in assets. Once combined with HomeStreet, the company will expand Mechanics Bank’s West Coast footprint and create a combined company with 168 branches and $23 billion in assets. Visit www.MechanicsBank.com to learn more. Why did the parties choose to combine? The combination will create a premier community bank operating along the West Coast and Hawaii. Both companies bring a highly personalized, relationship style of banking to their respective customer bases. Once the merger is complete, the combined company will become the third largest West Coast and California bank as measured by deposits1 and the most profitable among West Coast banks.2 It’s an exciting opportunity for all of us to grow. Additional benefits include: • The merger will give you and all our clients a substantially broader, more convenient network of banking centers — 168 in all — in California, Oregon, Washington and Hawaii. As well, it will result in a greater capacity and wherewithal to meet their banking and lending needs.

Mechanics Bank – HomeStreet Bank, Inc./HomeStreet Bank Merger Information Page 2 of 3 INTERNAL USE ONLY | Not for Public Distribution | March 31, 2025 • This combination of two complementary banks is poised to deliver a lower-risk, well-capitalized, core funded balance sheet, reducing the overall risk profile and bringing significant benefits to all our respective stakeholders. • The combined entity will have attractive positions in both its product suite and West Coast market footprint, as well as a diversified loan portfolio and continued lending capabilities across various asset classes, geographies, and industry verticals. • We believe the combined company will also create new opportunities for our employees and enable us to attract and retain top talent. • Both organizations share a deep commitment to supporting and giving back to the communities we serve. When is the merger expected to be completed? It is expected the proposed merger will receive shareholder and regulatory approvals and be completed in the third quarter of this year. How does the acquisition strengthen customer service following the transaction? • With $23 billion in expected pro