SECURITIES AND EXCHANGE COMMISSION Washington D.C. 20549 FORM 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) January 12, 1999 ACE LIMITED - ------------------------------------------------------------------------------- (Exact Name of Registrant as Specified in Charter) Cayman Islands 1-11778 Not Applicable - ------------------------------------------------------------------------------- (State or Other Jurisdiction (Commission I.R.S. Employer (of Incorporation File Number) Identification No.) The ACE Building 30 Woodbourne Avenue Hamilton, Bermuda HM 08 - ------------------------------------------------------------------------------- (Address of Principal Executive Offices) (Zip Code) Registrant's telephone number, including area code: (441) 295-5200 -------------- Not Applicable - ------------------------------------------------------------------------------- (Former Name or Former Address, if Changed Since Last Report) Item 5. Other Events. On January 12, 1999, ACE Limited ("ACE") announced that it had agreed to acquire the international and domestic property and casualty insurance businesses of CIGNA Corporation ("CIGNA") for $3.45 billion in cash. Included as Exhibit 99.1 to this Current Report on Form 8-K is a copy of the press release. Item 7. Exhibits. 99.1 Press Release, dated January 12, 1999. 1 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. Dated: January 14, 1999 ACE LIMITED By: /s/ Christopher Z. Marshall ------------------------------- Chief Financial Officer 2 EXHIBIT INDEX Exhibit Number Description - ---------- 99.1 Press Release, dated January 12, 1999 3