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: June 12, 2001 (Date of earliest event reported) MARKEL CORPORATION (Exact Name of Registrant as Specified in Charter) Virginia 001-15811 54-1959284 (State or other jurisdiction of (Commission (IRS Employer incorporation or organization) File Number) Identification No.) 4521 Highwoods Parkway Glen Allen, Virginia 23060-6148 (804) 747-0136 (Address including zip code, and telephone number, including area code, of registrant's principal executive offices) (Former name or address, if changed since last report.) ITEM 5. OTHER EVENTS ------------ On June 12, 2001, the Corporation announced that the underwriter for the Corporation's recently completed offering of Liquid Yield Option Notes (LYONs) exercised and closed on the underwriter's over allotment option to acquire an additional $53,000,000.00 aggregate principal amount at maturity of LYONs. The Corporation's net proceeds from the exercise, before expenses, were approximately $14.7 million. 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. MARKEL CORPORATION Date: June 12, 2001 By: /s/ Gregory B. Nevers ------------------------------------- Name: Gregory B. Nevers Title: Senior Vice President and General Counsel