W. R. Berkley Corporation Creates Berkley Design Professional Underwriters

  W. R. Berkley Corporation Creates Berkley Design Professional Underwriters

                      Announces Management Appointments

Business Wire

GREENWICH, Conn. -- April 23, 2013

W. R. Berkley Corporation (NYSE: WRB) today announced the creation of Berkley
Design Professional Underwriters to focus on liability coverage for architects
and engineers, nationwide. Products will be distributed through independent
agents and underwritten on an admitted basis on behalf of W. R. Berkley
Corporation member insurance companies, which are all rated A+ (Superior) by
A.M. Best Company, Inc.

Stephen L. Porcelli has been named president of Berkley Design Professional
Underwriters. Mr. Porcelli has approximately 25 years of experience in the
professional and specialty segments of the property casualty insurance
industry. He most recently served as senior vice president of the professional
liability profit center for another major insurance group, having previously
held senior positions with other major insurers.

Lawrence Moonan has been appointed executive vice president and chief
operating officer of the new operating unit. Mr. Moonan has more than 20 years
of experience in the professional liability market.

Catherine Santiago has been named Berkley Design Professional’s vice president
and lead underwriter. Ms. Santiago has 35 years of experience in the property
casualty insurance industry with a long-term focus on design professionals.

In making the announcement, William R. Berkley, chairman of the board and
chief executive officer of W. R. Berkley Corporation, said: "We are excited to
bring together experienced underwriters, claim experts and loss control
professionals with a singular commitment to the design industry. Together they
will deliver fresh ideas and new products and services that will truly address
the unique needs of architects and engineers and the agents that represent
them."

For further information about the products and services available from Berkley
Design Professional, please contact Stephen Porcelli at
sporcelli@wrberkley.com.

Founded in 1967, W. R. Berkley Corporation is an insurance holding company
that is among the largest commercial lines writers in the United States and
operates in five segments of the property casualty insurance business:
specialty insurance, regional property casualty insurance, alternative
markets, reinsurance and international.

This is a "Safe Harbor" Statement under the Private Securities Litigation
Reform Act of 1995. Any forward-looking statements contained herein, including
statements related to our outlook for the industry and for our performance for
the year 2013 and beyond, are based upon the Company's historical performance
and on current plans, estimates and expectations. The inclusion of this
forward-looking information should not be regarded as a representation by us
or any other person that the future plans, estimates or expectations
contemplated by us will be achieved. They are subject to various risks and
uncertainties, including but not limited to, the success of our new ventures
or acquisitions and the availability of other opportunities, our ability to
attract and retain key personnel and qualified employees, and other risks
detailed from time to time in the Company's filings with the Securities and
Exchange Commission. These risks could cause actual results of the industry or
our actual results for the year 2013 and beyond to differ materially from
those expressed in any forward-looking statement made by or on behalf of the
Company. Any projections of growth in the Company's revenues would not
necessarily result in commensurate levels of earnings. Forward-looking
statements speak only as of the date on which they are made, and the Company
undertakes no obligation to update publicly or revise any forward-looking
statement, whether as a result of new information, future developments or
otherwise.

Contact:

W. R. Berkley Corporation
Karen A. Horvath, 203-629-3000
Vice President – External
Financial Communications
 
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