Investor Relations

Middlefield Banc Corp.

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Shareholder Services
American Stock Transfer & Trust Company
6201 15th Avenue
Brooklyn, NY 11219
Toll Free: 800.937.5449
International: 718.921.8156
Fax: 718.236.2641
Web site:
Customer Service Hours:
Automated and online support is available 24 hours a day, 365 days a year, or speak to a personal representative from
     Monday - Thursday, 8:00 a.m. to 7:00 p.m.
     Friday, 8:00 a.m. to 5:00 p.m. EST.
For Dividend Reinvestment and Direct Stock Purchase: (Written Correspondence)
American Stock Transfer & Trust Company
P.O. Box 922
Wall Street Station
New York, NY 10269-0560
Account Access
Proxy Vote
The e-mail links provided are not transmitted via secure domain and confidential information such as passwords, Social Security numbers, account numbers, etc. should not be included in your correspondence.