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 March, 2006 CONVERIUM HOLDING AG ------------------------------------------------- (Translation of registrant's name into English) Baarerstrasse 8 CH-6300 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 Converium Ltd conference call Restatement and 3Q2005 results Converium will hold a conference call for the investment community and is pleased to invite you to participate. This call will be webcast live on the Internet, via the Company's web site, at www.converium.com. Please dial in 10 - 15 minutes before and ensure that you have Real Media PlayerTM or Windows Media PlayerTM. The conference call will be held on Tuesday, February 28, 2006 at 9:00 a.m. Central European Time (CET) 8:00 a.m. Greenwich Mean Time (GMT) 3:00 a.m. Eastern Standard Time (EST) 0:00 a.m. Pacific Standard Time (PST) call +41 (0) 91 610 5600 (Europe) +44 (0) 207 107 0611 (UK) +1 (1) 866 291 4166 (Toll Free USA only) +1 866 519 5086 (Toll Free Canada) +1 866 519 5087 (Toll Free Mexico) and quote "Converium" During the call, the Company will provide information regarding the restatement and 3Q2005 results and you will have the opportunity to discuss 3Q2005 figures including segmental information with executive management. We do not intend to cover the restatement in management Q&A as the Company will be filing an amended Form 20-F which will contain additional information about the restatement. For those of you unable to participate actively in this conference call, a recording will be available one hour after the event for 24 hours. The number to dial and the access code are as follows: +44 (0) 207 108 6233 from UK +41 (0) 91 612 4330 from Europe +1 (1) 866 416 2558 from North America followed by the access code 400 # At approximately noon that day, the full webcast with Q&A is available on www.converium.com. For any questions please call Zuzana Drozd at +41 (0)1 639 9120 or Sonja Geissler at +41 (0)1 639 9137 or send an e-mail to sonja.geissler@converium.com 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: March 1, 2006