================================================================================ 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: APRIL 25, 2006 (Date of earliest event reported) IDEX CORPORATION (Exact name of registrant as specified in its charter) DELAWARE 1-10235 36-3555336 (State of (Commission File Number) (IRS Employer Incorporation) Identification No.) 630 DUNDEE ROAD NORTHBROOK, ILLINOIS 60062 (Address of principal executive offices, including zip code) (847) 498-7070 (Registrant's telephone number, including area code) Check the appropriate box if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: / / Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) / / Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) / / Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) / / Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) ================================================================================

Item 7.01 - Regulation FD Disclosure. On April 25, 2006, IDEX Corporation issued a press release announcing that it had entered into a definitive agreement to acquire EPI, a global leader in high-precision, integrated fluidics and associated engineered plastics solutions. A copy of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated herein by reference. Item 9.01 - Financial Statements and Exhibits. (c) Exhibits 99.1 Press release dated April 25, 2006

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. IDEX CORPORATION By: /s/ Dominic A. Romeo ------------------------------------------ Dominic A. Romeo Vice President and Chief Financial Officer April 28, 2006

EXHIBIT INDEX EXHIBIT NUMBER DESCRIPTION - ------- ----------- 99.1 Press release dated April 25, 2006

EXHIBIT 99.1 IDEX CORPORATION ENTERS DEFINITIVE AGREEMENT TO ACQUIRE EPI NORTHBROOK, IL, APRIL 25 -- IDEX CORPORATION (NYSE: IEX) today announced that it has entered into a definitive agreement to acquire EPI, a global leader in high-precision, integrated fluidics and associated engineered plastics solutions. Based in Bristol, Connecticut, with revenues of approximately $30 million, EPI's products are used in a broad set of end markets including medical diagnostics, analytical instrumentation, and laboratory automation. Commenting on the agreement, IDEX Chairman and Chief Executive Officer Larry Kingsley said, "We are very pleased by EPI's decision to become part of IDEX. EPI's expertise in advanced design in integrated fluidics applications builds on our existing expertise in medical diagnostics and devices, and also moves our company into some completely new fields. EPI is an excellent complement to our growing presence in the health and life sciences market. " Tom Brackett, President and CEO of EPI, said, "We are excited to become part of IDEX and its precision flow family of businesses. IDEX is a recognized leader in delivering applied engineered fluidic and mechanical solutions to its customers' exacting specifications. Together, our companies are well positioned to meet growing global demand for materials expertise for health, science and other emerging applications." Subject to regulatory approval, the transaction is expected to close during the second quarter of 2006. Other terms of the transaction were not disclosed. ABOUT IDEX IDEX Corporation is the world leader in fluid-handling technologies for positive displacement pumps and metering products, dispensing equipment for color formulation, and other highly engineered products including fire suppression equipment, rescue tools and engineered band clamping systems. Its products are sold in niche markets to a wide range of industries throughout the world. IDEX shares are traded on the New York Stock Exchange and Chicago Stock Exchange under the symbol "IEX".