1 UNITED STATES 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): April 17, 2000 IDEX Corporation - ---------------------------------------------------------------------------- (Exact Name of Registrant as Specified in its Charter) Delaware 1-10235 36-3555336 - ---------------------------------------------------------------------------- (State or other jurisdiction) (Commission File (I.R.S. Employer Number Identification Number) 630 Dundee Road, Suite 400 Northbrook, Illinois 60062 - ---------------------------------------------------------------------------- (Address or principal executive offices) Registrant's telephone number (847) 498-7070 ----------------------------------------------

2 Item 5. Other Information On April 14, 2000, IDEX Corporation (the "Company") announced that Dennis K. Williams, 54, will become the Company's Chairman of the Board, President and Chief Executive Officer effective May 1. With his appointment, Mr. Williams succeeds Donald N. Boyce who retired as Chairman on March 31, and Frank J. Hansen, who will retire as President and Chief Executive Officer later this month. These actions were approved at a special meeting of IDEX's Board of Directors. Mr. Williams, a senior executive of the General Electric Company, most recently served as President and Chief Executive Officer of GE Power Systems Industrial Products, a global business with $4 billion in sales, based in Florence, Italy. He joined GE in 1968 after receiving a B.S. degree in engineering from Georgia Institute of Technology. Except for five years in the 1970's when he was employed by Varian Associates, Mr. Williams spent his entire career with GE. Prior to heading GE Power Systems Industrial Products, he was President and Chief Executive Officer of GE's Nuovo Pignone business, one of the world's leading manufacturers of gas turbines and high-pressure industrial compressors.

3 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 hereunto duly authorized. IDEX Corporation April 17, 2000 /s/ Wayne P. Sayatovic --------------------------------- Wayne P. Sayatovic Senior Vice President-Finance and Chief Financial Officer (Principal Financial Officer)