1 EXHIBIT 99.1 THURSDAY APRIL 13, 4:30 PM EASTERN TIME COMPANY PRESS RELEASE SOURCE: Molecular Devices Corporation MOLECULAR DEVICES REPORTS RECORD REVENUES AND EARNINGS FOR FIRST QUARTER 2000 SUNNYVALE, Calif., April 13 /PRNewswire/ - Molecular Devices Corporation (Nasdaq: MDCC) today announced record revenues and earnings for the first quarter of 2000. Revenues for the first quarter of 2000 were $17,068,000, an increase of 26% compared with $13,507,000 reported in the same period last year. Operating income in the first quarter increased 38% to $3,847,000 from $2,788,000 reported in the same period last year. Operating margins increased to 23% in the first quarter of 2000 as compared to 21% in the first quarter of 1999. Net income during the period increased 32% to $2,604,000 compared with $1,974,000 reported in the same period last year. Diluted earnings per share were $0.25 for the first quarter of 2000 as compared to $0.20 in the first quarter of 1999. Commenting on the financial results, Joseph D. Keegan, Ph.D., Molecular Devices' President and Chief Executive Officer, said, "This was another exceptional quarter for MDC as we continued to meet both our strategic and financial goals. We introduced two significant new Maxline products during the quarter, the SPECTRAmax Gemini XS fluorometric plate reader and the SPECTRAmax PLUS384 spectrophotometer. These two product introductions, along with a record performance from our FLIPR product line, fueled our top line growth." Molecular Devices Corporation is a leading developer of high-performance, bioanalytical measurement systems that accelerate and improve drug discovery and other life sciences research. The Company's systems enable pharmaceutical and biotechnology companies to leverage advances in genomics and combinatorial chemistry by facilitating the high throughput and cost effective identification and evaluation of drug candidates. The Company's instrument systems are based on its advanced core technologies which integrate its expertise in engineering, molecular and cell biology and chemistry and are fundamental tools for drug discovery and life sciences research. This press release contains "forward-looking" statements. For this purpose, any statements contained in this press release that are not statements of historical fact may be deemed to be forward-looking statements. Words such as "believes," "anticipates," "plans," "expects," "will," and similar expressions are intended to identify forward-looking statements. There are a number of important factors that could cause the results of Molecular Devices Corporation to differ materially from those indicated by these forward-looking statements, including, among others, risks detailed from time to time in the Company's SEC reports, including its Annual Report on Form 10K for the year ended December 31, 1999. 1. 2 MOLECULAR DEVICES CORPORATION CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (In thousands, except per share amounts) Three Months Ended March 31, 2000 1999 (unaudited) TOTAL REVENUES $ 17,068 $ 13,507 TOTAL COST OF REVENUES 6,250 5,264 GROSS MARGIN 10,818 8,243 OPERATING EXPENSES: Research and development 1,888 1,590 Selling, general and administrative 5,083 3,865 Total operating expenses 6,971 5,455 INCOME FROM OPERATIONS 3,847 2,788 Other income, net 387 421 INCOME BEFORE TAXES 4,234 3,209 Income tax provision (1,630) (1,235) NET INCOME $ 2,604 $ 1,974 BASIC NET INCOME PER SHARE $ 0.27 $ 0.21 DILUTED NET INCOME PER SHARE $ 0.25 $ 0.20 SHARES USED IN COMPUTING BASIC NET INCOME PER SHARE 9,706 9,528 SHARES USED IN COMPUTING DILUTED NET INCOME PER SHARE 10,596 9,963 2. 3 MOLECULAR DEVICES CORPORATION CONDENSED CONSOLIDATED BALANCE SHEETS (In thousands) March 31, December 31, 2000 1999 ASSETS: (unaudited) Current assets: Cash and cash equivalents $27,467 $28,192 Accounts receivable, net 18,688 17,416 Inventories 9,632 7,918 Deferred tax asset 2,465 2,465 Other current assets 816 721 Total current assets 59,068 56,712 Equipment and leasehold improvements, net 4,527 2,776 Other assets 6,467 5,263 $70,062 $64,751 LIABILITIES AND STOCKHOLDERS' EQUITY Current liabilities: Accounts payable $ 4,231 $ 2,624 Accrued liabilities 5,757 5,343 Total current liabilities 9,988 7,967 Stockholders' equity: 60,074 56,784 $70,062 $64,751 3.