1 FORM 8-K SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event Reported) May 20, 1998 ------------------------- COLUMBIA ENERGY GROUP --------------------- (Exact name of registrant as specified in its charter) Delaware 1-1098 13--1594808 - ---------------------------------- ----------------- ------------------- (State of other jurisdiction (Commission (IRS Employer of incorporation) File Number) Identification No.) 12355 Sunrise Valley Drive, Suite 300, Reston, VA 20191-3420 ------------------------------------------------------------ (Address of principal executive offices) Registrant's telephone number, including area code (703) 295-0300 --------------- 2 Item 5. Other Events Information contained in a News Release dated May 20, 1998, is incorporated herein by reference. 3 SIGNATURE 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 hereunto duly authorized. Columbia Energy Group --------------------- (Registrant) By /s/J. W. Grossman ------------------------------ Vice President & Controller Date: May 21, 1998