HCC Insurance Holdings to Present at JMP Securities Research Conference

HOUSTON, May 5, 2011 (GLOBE NEWSWIRE) -- HCC Insurance Holdings, Inc. (NYSE:HCC)
today announced that HCC Chief Executive Officer John N. Molbeck, Jr. and
President Christopher J.B. Williams will be presenting at the Tenth Annual JMP
Securities Research Conference in San Francisco, California on Tuesday, May 10,
2011, beginning at 9:00 a.m. Pacific Daylight Time.

There will be a live webcast of HCC's presentation by Mr. Molbeck and Mr.
Williams available on a listen-only basis in the Investor Relations section of
the Company's website at http://ir.hcc.com. The webcast replay will also be
archived in the Investor Relations section of the HCC website through Friday,
August 12, 2011.

Headquartered in Houston, Texas, HCC Insurance Holdings, Inc. is a leading
international specialty insurance group with offices across the United States
and in the United Kingdom, Spain and Ireland. As of March 31, 2011, HCC had
assets of $9.3 billion and shareholders' equity of $3.3 billion. HCC's major
domestic and international insurance companies have financial strength ratings
of "AA (Very Strong)" from Standard & Poor's Corporation, "A+ (Superior)" from
A.M. Best Company Inc., "AA (Very Strong)" from Fitch Ratings, and "A1 (Good
Security)" from Moody's Investors Service, Inc.

For more information about HCC, please visit http://www.hcc.com.

Forward-looking statements contained in this press release are made under "safe
harbor" provisions of the Private Securities Litigation Reform Act of 1995 and
involve a number of risks and uncertainties. The types of risks and
uncertainties which may affect the Company are set forth in its periodic reports
filed with the Securities and Exchange Commission.

CONTACT: Doug Busker, Director of Investor Relations
HCC Insurance Holdings, Inc.
Telephone: (713) 996-1192