1 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): July 20, 2000 MOLECULAR DEVICES CORPORATION (Exact name of registrant as specified in its charter) DELAWARE (State or other jurisdiction of incorporation) 0-27316 94-2914362 (Commission File No.) (IRS Employer Identification No.) 1311 ORLEANS DRIVE SUNNYVALE, CALIFORNIA 94089 (Address of principal executive offices and zip code) Registrant's telephone number, including area code: (408) 747-1700 ------------------------------ 2 ITEM 7. EXHIBITS. 99.1 Press Release, dated as of July 20, 2000 entitled "Molecular Devices Reports Record Revenues and Earnings for Second Quarter and First Half of 2000." 1. 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, thereunto duly authorized. MOLECULAR DEVICES CORPORATION Dated: July 20, 2000 By: /s/ TIMOTHY A. HARKNESS -------------------------------- TIMOTHY A. HARKNESS VICE PRESIDENT OF FINANCE AND CHIEF FINANCIAL OFFICER 2. 4 INDEX TO EXHIBITS 99.1 Press Release, dated as of July 20, 2000 entitled "Molecular Devices Reports Record Revenues and Earnings for Second Quarter and First Half of 2000." 3.