Exhibit 99.1

                   Pinnacle Bancshares, Inc. Extends
                         Odd Lot Tender Offer


    JASPER, Ala.--(BUSINESS WIRE)--January 3, 2008--Pinnacle
Bancshares, Inc. (AMEX: PLE) today announced that the expiration date
of its tender offer for the purchase of all shares of its common stock
held by persons owning 99 or fewer shares as of the close of business
on the record date of October 10, 2007, has been extended to 5:00
p.m., Central Time, on January 18, 2008. The offer had been scheduled
to expire at 5:00 p.m., Central Time, on Friday, January 4, 2008. The
Company will pay $16.25 in cash for each share purchased in the tender
offer. The Company also will pay $50.00 as an incentive to each
stockholder who accepts the offer.

    In commenting on the results of the offer to date, Robert B.
Nolen, Jr., President and Chief Executive Officer of Pinnacle
Bancshares, Inc., stated, "We have been advised that, due to the
holidays, several eligible stockholders would appreciate additional
time to respond to our offer. As of the close of business on January
3, 2008, 61 stockholders have tendered 1,659 shares."

    Pinnacle Bancshares, Inc. is filing an amended Schedule 13E-3 with
the SEC in connection with the tender offer as a result of the
extended expiration date. Stockholders and investors are urged to read
these materials since they contain important information, including
the various terms and conditions of the extended offer. The amended
Schedule 13E-3 can be retrieved from the SEC's website (www.sec.gov)
or from Pinnacle Bancshares, Inc.

    Questions or requests for additional documents may also be
directed to Corporate Communications, Inc., the Information Agent for
the tender offer (Attention: Gil Fuqua), by telephone at (615)
324-7311 or by facsimile at (615) 254-3420.

    This press release is for informational purposes only and is not
an offer to buy or a solicitation of an offer to sell any shares of
Pinnacle Bancshares, Inc. common stock. The offer is being made solely
by the amended Offer to Purchase for Cash and the accompanying
materials delivered to the Company's stockholders.


    CONTACT: Pinnacle Bancshares, Inc.
             Robert B. Nolen, Jr., President and CEO, 205-221-4111