Carrollton Bancorp Extends Termination Date of Merger Agreement With Jefferson Bancorp

Carrollton Bancorp Extends Termination Date of Merger Agreement With Jefferson
Bancorp

COLUMBIA, Md., March 1, 2013 (GLOBE NEWSWIRE) -- Carrollton Bancorp
(Nasdaq:CRRB) today announced that it has extended the termination date of the
Agreement and Plan of Merger (the "Merger Agreement") by and among Carrollton,
Jefferson Bancorp, Inc. ("Jefferson") and Financial Services Partners Fund I,
LLC ("FSPF"), dated as of April 8, 2012, and amended as of May 7, 2012.
Carrollton, Jefferson and FSPF entered into the Second Amendment (the
"Amendment") to the Merger Agreement on February 28, 2013 to reflect their
agreement to extend the termination date.

Under the terms of the Amendment, the Merger Agreement can be terminated by
Carrollton or Jefferson at any time after either March 15, 2013 or after April
19, 2013, depending on the timing of the receipt of a designated regulatory
approval.Previously, the Merger Agreement could have been terminated by
either party at any time after February 28, 2013 if the merger had not been
completed on or before that date.

As disclosed in Carrollton's Proxy Statement, dated July 11, 2012 (the "Proxy
Statement"), it is a condition to closing under the Merger Agreement that the
acquisition of Carrollton by FSPF through the merger with Jefferson be
approved by the Board of Governors of the Federal Reserve System (the "Federal
Reserve Board"). If the required approval of the Federal Reserve Board (the
"FRB Approval") is not received by March 15, 2013, either Jefferson or
Carrollton may thereafter terminate the Merger Agreement at any time.If the
FRB Approval is received by March 15, 2013 but the merger is not consummated
prior to April 19, 2013, either Jefferson or Carrollton may thereafter
terminate the Merger Agreement at any time.

The merger of Carrollton and Jefferson also remains subject to additional
conditions to closing under the Merger Agreement, including that the merger of
Carrollton's bank subsidiary, Carrollton Bank, with and into Jefferson's bank
subsidiary, Bay Bank, FSB ("Bay Bank"), be approved by the Office of the
Comptroller of the Currency (the "OCC").

About Carrollton Bancorp/Carrollton Bank

Carrollton Bank is a wholly-owned subsidiary of Carrollton Bancorp, a publicly
traded bank holding company (Nasdaq:CRRB) headquartered in Columbia, Maryland.
Carrollton Bank has been committed to providing outstanding financial service
to the central Maryland region for more than 100 years. Carrollton Bank
provides a wide range of financial services for personal and business banking
customers, including a variety of checking accounts, competitive rates on
certificates of deposit and savings accounts, commercial lending, free
nationwide ATMs with the MoneyPass® symbol, mortgages, investment services and
24-hour internet and telephone banking. As of December 31, 2011, Carrollton
Bank had approximately $365 million in total assets and ten (10) branch
locations in the region. Please visit Carrollton Bank's website at
www.carrolltonbank.com for additional information.

About Jefferson Bancorp, Inc./Bay Bank, FSB

Jefferson Bancorp, Inc. was formed in 2009 to operate as the savings and loan
holding company of a federal savings bank, Bay Bank, FSB, which commenced
operations in July 2010, when it acquired certain assets and assumed certain
liabilities of Bay National Bank from the Federal Deposit Insurance
Corporation. Substantially all of Jefferson Bancorp, Inc.'s outstanding common
shares are owned by Financial Services Partners Fund I, LLC. FSPF is a
Delaware limited liability company established on July 1, 2005, to pursue
equity investments in banks, thrifts, insurance and specialty finance
institutions. Bay Bank, FSB is headquartered in Lutherville, Maryland, and is
focused on providing superior customer service to small and medium-sized
businesses, their owners and professionals located throughout the region. Its
core products are commercial loans, real estate loans, commercial and consumer
deposit services, cash management services and consumer loans. As of December
31, 2011, Bay Bank had total assets of approximately $130 million and two
branch locations. Please visit Bay Bank's website at www.baybankmd.com for
additional information.

Forward-Looking Statements:

This press release contains forward-looking statements within the meaning of
the Private Securities Litigation Reform Act of 1995 concerning Carrollton
Bancorp and Jefferson Bancorp, Inc. and the financial condition and projected
expenses of Carrollton Bancorp, Jefferson Bancorp, Inc. and the combined
company. These forward-looking statements about future expectations, plans and
prospects of Carrollton Bancorp, Jefferson Bancorp, Inc. and the combined
company involve significant risks, uncertainties and assumptions, including
risks that can be found in the "Risk Factors" section of the Carrollton
Bancorp Annual Report on Form 10-K on file with the Securities and Exchange
Commission and the other reports that Carrollton Bancorp periodically files
with the Securities and Exchange Commission. Actual results may differ
materially from those Carrollton Bancorp contemplated by these forward-looking
statements. These forward looking statements reflect management's current
views, and Carrollton Bancorp does not undertake to update any of these
forward-looking statements to reflect a change in its views or events or
circumstances that occur after the date of this release.

CONTACT: Robert A. Altieri
         410.536.7392