Exhibit 99.1

Bank of Commerce Holdings
(NASDAQ: BOCH)

Company Press Release

Company Profile

• Founded 1982

• Five offices — three markets

• Redding Bank of Commerce™

• Roseville Bank of Commerce™

• Sutter Bank of Commerce™

• Bank of Commerce Mortgage™

Investor Highlights

• 5% stock dividend — 1986

• Annual cash dividends — 1988

• Two for one stock split — 1985

• Three for one stock split — 1998

• 10% stock dividend — 2000

• Three for one stock split — 2004

• Quarterly dividends — 2005

• ACQB Index — America’s Community Bank Index

Business Overview

Bank of Commerce Holdings (the “Holding Company”) is a financial holding company (“FHC”) registered under the Bank Holding Company Act of 1956, as amended, and was incorporated in California on January 21, 1982. The Company owns Redding Bank of Commerce™, Roseville Bank of Commerce™, Sutter Bank of Commerce™ and Bank of Commerce Mortgage™.

Contact Information

Michael C. Mayer, President & CEO
Telephone (530) 224-7361
Linda J. Miles, Chief Financial Officer
Telephone (530) 224-7318
www.reddingbankofcommerce.com

Market Data

Exchange: NASDAQ
Symbol: BOCH
Shares outstanding at 3/31/06: 8,716,872
Market Cap: $93,444,868
Recent Price : $10.22
52 week range: $9.00 — $13.07
Price/ Book (%): 225.66
SNL™ Peer Price/Book (%): 235.23
Price/Earnings (x): 12.14
SNL™ Peer Price/Earnings (x): 17.91
Price/LTM EPS (x): 14.37
Dividend Yield (%): 2.75
SNL ™ Peer Dividend Yield(%): 0.80
YTD Volume traded: 174,479
Insider Ownership: 33.42%

For immediate release:

Bank of Commerce Holdings™, Parent Company of Redding Bank of Commerce™ announces Kenneth R. Gifford, Jr. appointed to Vice Chairman

REDDING, California, May 26, 2006/ PR Newswire— Bank of Commerce Holdings (NASDAQ: BOCH), a $522.7 million asset financial holding company, and parent company of Redding Bank of Commerce™, Roseville Bank of Commerce™, Sutter Bank of Commerce™ and Bank of Commerce Mortgage™ today announced the appointment of Kenneth R. Gifford, Jr. to Vice Chairman of the Company.

“The Directors of the Company unanimously approved the appointment of Kenneth R. Gifford, Jr. to Vice Chairman,” said Michael C. Mayer, President and Chief Executive Officer, Bank of Commerce Holdings.

Mr. Gifford has served as a director for the Company since 1998. He currently serves as Chairman of the Loan Committee and is a member of the Executive committee, and Long-range planning committees. Mr. Gifford is President and Chief Executive Officer of Gifford Construction, Inc., a renowned leading commercial contractor.

Bank of Commerce Holdings, with administrative offices in Redding, California is a financial service holding company that owns Redding Bank of Commerce™, Roseville Bank of Commerce™, Sutter Bank of Commerce™ and Bank of Commerce Mortgage™.

The Company is a federally insured California banking corporation and opened on October 22, 1982.

BOCH is a NASDAQ National Market listed stock. Please contact your local investment advisor for purchases and sales. Investment firms making a market in BOCH stock are:

Hoefer & Arnett/ Dave Bonaccorso
555 Market Street
San Francisco, California
(800) 346-5544

Wachovia Securities/ Ken Myers and Rick Hansen
10466 Brunswick Road
Grass Valley, California
(888) 383-3112

Raymond James Financial/ Geoff Ball
1805 Hilltop Drive, Suite 106
Redding, California
(800) 926-5040

Morgan Stanley/ Rick Hill
310 Hemsted Drive, Suite 100
Redding, California
(800) 733-6126