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                                    Form 6-K

                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                        Report of Foreign Private Issuer

                        Pursuant to Rule 13a-16 or 15d-16
                     of the Securities Exchange Act of 1934

                         For the month of February, 2007

                              CONVERIUM HOLDING AG
                 -----------------------------------------------
                 (Translation of registrant's name into English)

                                 Dammstrasse 19
                                   CH-6301 Zug
                                   Switzerland
                    ----------------------------------------
                    (Address of principal executive offices)

Indicate by check mark whether the registrant  files or will file annual reports
under cover Form 20-F or Form 40-F.

                        Form 20-F   X     Form 40-F
                                  -----             -----

Indicate by check mark whether the  registrant  by  furnishing  the  information
contained  in this  Form is  also  thereby  furnishing  the  information  to the
Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.

                              Yes         No   X
                                  -----      -----

If "Yes" is marked,  indicate  the file  number  assigned to the  registrant  in
connection with Rule 12g3-2(b): 82- Not Applicable



News release
Converium Holding Ltd, Zug


Zug, Switzerland - February 22, 2007 - Converium releases full year results 2006
on February 28, 2007

Converium announces that it will release its financial results for the financial
year 2006 next  Wednesday,  February 28, 2007. The release date has been brought
forward from March 20, 2007.
On February 28, Converium will also present its medium-term strategic plan and -
based on Converium's 2006 financial performance and capital position - the steps
towards  achieving the Company's  sustainable  return on equity target of 14% by
2009.

Inga  Beale,  Chief  Executive  Officer,  and Paolo De Martin,  Chief  Financial
Officer,  will provide  in-depth  information  on Converium's  underwriting  and
growth strategy,  its capital  efficiency and asset  management  targets and how
operational efficiency will become a value driver going forward.
Converium  Holding Ltd, Zug will release its 2006  financial  results before the
markets open in Europe on Wednesday, February 28, 2007.

A webcast for the investment community and media will be held on the same day at
9.30 am Central European Time (CET).

The webcast can be accessed via the company's website www.converium.com. It will
be archived on our website at about noon time that day. The telephone  replay of
the conference  call will also be available one hour after the call for 24 hours
by dialing  +41 91 612 4330  (Europe),  +1 (1) 866 416 2558 (USA) or +44 (0) 207
108 6233 (UK) with access code: 685#.

Enquiries

Beat W. Werder                                Marco Circelli
Head of Public Relations                      Head of Investor Relations
beat.werder@converium.com                     marco.circelli@converium.com
Phone:     +41 (0) 44 639 90 22               Phone:      +41 (0) 44 639 91 31
Fax:       +41 (0) 44 639 70 22               Fax:        +41 (0) 44 639 71 31


Dr. Kai-Uwe Schanz                            Inken Ehrich
Chief Communication & Corporate               Investor Relations Specialist
Development Officer                           inken.ehrich@converium.com
kai-uwe.schanz@converium.com                  Phone:      +41 (0) 44 639 90 94
Phone:     +41 (0) 44 639 90 35               Fax:        +41 (0) 44 639 70 94
Fax:       +41 (0) 44 639 70 35

About Converium
Converium is an independent  international  multi-line  reinsurer  known for its
innovation,  professionalism  and service.  Today  Converium  employs  about 500
people in 15 offices  around  the globe and is  organized  into  three  business
segments:  Standard Property & Casualty Reinsurance,  Specialty Lines and Life &
Health  Reinsurance.  Converium has a "BBB+"  financial  strength rating (Credit
Watch  positive) from Standard & Poor's and a "B++"  financial  strength  rating
(outlook positive) from A.M. Best Company.

Important Disclaimer
This document contains forward-looking statements as defined in the U.S. Private
Securities Litigation Reform Act of 1995. It contains forward-looking statements
and  information  relating  to the  Company's  financial  condition,  results of



operations,   business,   strategy  and  plans,  based  on  currently  available
information. These statements are often, but not always, made through the use of
words or phrases such as `seek to',  `expects',  `should continue',  `believes',
`anticipates',   `estimates'   and  `intends'.   The  specific   forward-looking
statements cover, among other matters, the Company's internal review and related
restatement,  the reinsurance market, the Company's  operating results,  certain
financial guidance, e.g. related to the tax rate of the Company, the acquisition
costs ratio and the costs of the Corporate  Center,  the rating  environment and
the prospect for improving results and expense  reductions.  Such statements are
inherently subject to certain risks and uncertainties. Actual future results and
trends could differ  materially  from those set forth in such  statements due to
various factors.  Such factors include the impact of our ratings  downgrade or a
further lowering or loss of one of our financial strength ratings; the impact of
the  restatement  on our  ratings  and client  relationships;  uncertainties  of
assumptions used in our reserving process; risk associated with implementing our
business  strategies and our capital  improvement  measures;  cyclicality of the
reinsurance industry; the occurrence of natural and man-made catastrophic events
with a frequency or severity exceeding our estimates; acts of terrorism and acts
of war;  changes in economic  conditions,  including  interest and currency rate
conditions that could affect our investment  portfolio;  actions of competitors,
including  industry   consolidation  and  development  of  competing   financial
products;  a decrease in the level of demand for our  reinsurance  or  increased
competition  in our  industries  or  markets;  a loss  of our key  employees  or
executive  officers  without  suitable  replacements  being  recruited  within a
suitable  period of time;  our ability to address  material  weaknesses  we have
identified in our internal control environment; political risks in the countries
in which we operate or in which we reinsure  risks;  the  passage of  additional
legislation or the  promulgation of new regulation in a jurisdiction in which we
or our clients operate or where our subsidiaries are organized; the effect on us
and the insurance industry as a result of the  investigations  being carried out
by the US Securities and Exchange  Commission,  New York's Attorney  General and
other  governmental  authorities;  changes in our investment  results due to the
changed  composition of our invested assets or changes in our investment policy;
failure of our  retrocessional  reinsurers to honor their obligations or changes
in the  credit  worthiness  of our  reinsurers;  our  failure  to prevail in any
current or future arbitration or litigation;  and extraordinary events affecting
our  clients,  such as  bankruptcies  and  liquidations,  and  other  risks  and
uncertainties,  including those detailed in the Company's  filings with the U.S.
Securities and Exchange Commission and the SWX Swiss Exchange.  The Company does
not assume any obligation to update any forward-looking statements, whether as a
result of new information, future events or otherwise.



SIGNATURES

Pursuant  to the  requirements  of the  Securities  Exchange  Act of  1934,  the
registrant  has duly  caused  this  report  to be  signed  on its  behalf by the
undersigned, thereunto duly authorized.


                                           CONVERIUM HOLDING AG




                                           By:  /s/ Inga Beale
                                                Name:      Inga Beale
                                                Title:     CEO




                                           By:  /s/ Christian Felderer
                                                Name:      Christian Felderer
                                                Title:     General Legal Counsel



Date:February 26, 2007