Markel Announces Completion Of Alterra Acquisition

              Markel Announces Completion Of Alterra Acquisition

PR Newswire

RICHMOND, Va., May 1, 2013

RICHMOND, Va., May 1, 2013 /PRNewswire/ --Markel Corporation ("Markel")
(NYSE: MKL) announced today that it has completed its acquisition of Alterra
Capital Holdings Limited ("Alterra") (NASDAQ: ALTE; BSX: ALTE.BH). The
closing follows receipt of all necessary regulatory approvals and votes in
favor of the transaction by the shareholders of the two companies in February.

Alan I. Kirshner, Chairman and Chief Executive Officer of Markel, commented:
"As we have said from the outset, we believe the combination of Alterra with
Markel will create a strong company in global specialty insurance and
investments, with a demonstrated track record of underwriting discipline in
niche market segments and proven asset management strengths that should
benefit all our stakeholders.

"Over the past 83 years, Markel has built its financial and operating platform
on a foundation of talented associates. We welcome the Alterra underwriting,
claims and support teams, who will expand our product offerings as well as our
geographic reach. With that greater underwriting depth and our enhanced
financial scale, we are confident we will better serve our customers.

"We will be adding two new businesses for us, Markel Global Insurance (large
commercial accounts) and Markel Global Reinsurance. They will join our
existing Markel Specialty, Markel Wholesale and Markel International units.
We are committed to all these businesses, which we believe fit well with our
disciplined underwriting approach, on a worldwide basis.

"Markel and Alterra teams have been working diligently on integration and
transition efforts in preparation for today. For our broker and client
partners this should be a seamless transition—the people you dealt with
yesterday are the people you will deal with today. We look forward to giving
our customers the same service to which they've become accustomed—'scale
enhanced, business as usual.'

"With our enhanced scale, approximately $23 billion in combined assets and $6
billion in shareholders' equity, we believe we will be well positioned to take
advantage of a wide range of profitable opportunities in insurance and

About Markel Corporation:
Markel Corporation is a diverse financial holding company serving a variety of
niche markets. The Company's principal business markets and underwrites
specialty insurance products. In each of the Company's businesses, it seeks
to provide quality products and excellent customer service so that it can be a
market leader. The financial goals of the Company are to earn consistent
underwriting and operating profits and superior investment returns to build
shareholder value.Visit Markel Corporation on the web at

Forward Looking Statements:
This release contains statements concerning or incorporating expectations,
assumptions and other statements that are not historical facts. These
statements are "forward-looking statements" within the meaning of the Private
Securities Litigation Reform Act of 1995. There are risks and uncertainties
that may cause actual results to differ materially from predicted results in
forward-looking statements. Factors that could cause actual results to differ
from those predicted are set forth under "Risk Factors" or "Safe Harbor and
Cautionary Statement" in the Company's most recent reports on Forms 10-K and
10-Q. The Company undertakes no obligation to update any forward-looking
statements, whether as a result of new information, future events or

SOURCE Markel Corporation

Contact: Bruce Kay, 804-747-0136
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