HCC Schedules 2011 Second Quarter Earnings Release and Conference Call

HOUSTON, July 12, 2011 (GLOBE NEWSWIRE) -- HCC Insurance Holdings, Inc.
(NYSE:HCC) today announced that the Company plans to release its 2011 second
quarter earnings results after the close of the New York Stock Exchange on
Tuesday, August 2, 2011.

The release will also provide notice that supplemental financial schedules for
HCC's 2011 second quarter earnings results will be available on the Company's
website at http://www.hcc.com, as well as directly in the Investor Relations
section of HCC's website at http://ir.hcc.com.

HCC will hold an open conference call the following morning, Wednesday, August
3, at 8:00 a.m. Central Daylight Time to discuss the results.

To participate, the conference call numbers are:

Domestic: (800) 374-0290
International: (706) 634-0161

There will also be a live, listen-only webcast of the conference call on the
Company's website, http://www.hcc.com. The webcast replay will be archived in
the Investor Relations section of the HCC website through Friday, November 4,
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