================================================================================ SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 ==================== Schedule 14D-9 SOLICITATION/RECOMMENDATION STATEMENT UNDER SECTION 14(d)(4) OF THE SECURITIES EXCHANGE ACT OF 1934 ==================== CONVERIUM HOLDING AG (Name of Subject Company) CONVERIUM HOLDING AG (Name of Person Filing Statement) Registered Shares, Nominal Value CHF 5 Per Share American Depositary Shares, each representing one half of one Registered Share (Title of Class of Securities) Registered Shares* American Depositary Shares (CUSIP: 21248N107) (CUSIP Number of Class of Securities) ==================== Christian Felderer Converium Holding AG Dammstrasse 19 CH-6301 Zug Switzerland +41 44 639 9335 (Name, Address and Telephone Number of Person Authorized to Receive Notice and Communications on Behalf of the Person Filing Statement) ==================== With copies to: Gregory B. Astrachan, Esq. Willkie Farr & Gallagher LLP 1 Angel Court London EC2R 7HJ England +44 207 696 5454 *There is no CUSIP Number assigned to the Registered Shares. [X] Check the box if the filing relates solely to preliminary communications made before the commencement of a tender offer. ================================================================================ News release Converium Holding Ltd, Zug Zug, Switzerland - April 5, 2007 - Converium response to SCOR offer to be expected within the legally required period Converium, a leading international professional reinsurer, issued the following statement today in response to the announcement by its competitor, SCOR S.A., that SCOR commenced a tender offer for outstanding registered shares of Converium. The Board of Directors will make its recommendation regarding the offer and state its reasons for such position within the time legally required after the commencement of the tender offer. Accordingly, the Converium Board of Directors urges its shareholders to defer making a determination with regard to the tender offer until they have been advised of the Board of Directors' position. Converium shareholders are strongly advised to carefully read Converium's solicitation/recommendation statement when it becomes available regarding the tender offer by SCOR because it will contain important information which should be considered before any decision is made with respect to the tender offer. Copies of the solicitation/recommendation statement will be filed by Converium with the Securities and Exchange Commission and will be available at the SEC's web site at www.sec.gov, or at the Converium website at www.converium.com. Enquiries Beat W. Werder Marco Circelli Head of Public Relations Head of Investor Relations beat.werder@converium.com marco.circelli@converium.com Phone: +41 44 639 90 22 Phone: +41 44 639 91 31 Fax: +41 44 639 70 22 Fax: +41 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 44 639 90 94 Phone: +41 44 639 90 35 Fax: +41 44 639 70 94 Fax: +41 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 an "A-" ("strong") financial strength rating (outlook stable) from Standard & Poor's and a "B++" financial strength rating (outlook positive) from A.M. Best Company. 1 Important Disclaimers 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', `aims' `should continue', `believes', `anticipates', `estimates' and `intends'. The specific forward-looking statements cover, among other matters, our combined ratio, return on equity and premium volume and expense reduction targets, our plans to use capital more efficiently and to return capital to shareholders, the reinsurance market, the Company's operating results, the Company's dividend policy, the prospects for improving our results, investment yield and market share. 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 our ability to refinance our outstanding indebtedness and increase our use of hybrid capital; 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; our ability to expand into emerging markets; our ability to enter into strategic investment partnerships; 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; our ability to regain past customers following any rating upgrades and the resolution 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 (including, but not limited to, our Annual Report on Form 20-F filed 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. 2