Filed Pursuant to Rule 424(b)(3) Registration No. 333-81434 PROSPECTUS SUPPLEMENT DATED JULY 11, 2002 (To Prospectus filed on April 30, 2002) LSI LOGIC CORPORATION PROSPECTUS $490,000,000 (aggregate principal amount) 4.00 % Convertible Subordinated Notes due 2006 and the Common Stock Issuable Upon Conversion of the Notes This Prospectus Supplement together, with the Prospectus listed above, is to be used by certain holders of the above-referenced securities or by their transferees, pledgees, donees or their successors in connection with the offer and sale of the above referenced securities. The table captioned "Selling Securityholders" commencing on page 41 of the Prospectus is hereby amended to reflect the following additions and changes. PRINCIPAL AMOUNT AT MATURITY OF NUMBER OF PERCENTAGE NOTES SHARES OF OF COMMON BENEFICIALLY PERCENTAGE COMMON STOCK STOCK OWNED THAT MAY OF NOTES THAT MAY BE OUTSTANDING NAME BE SOLD OUTSTANDING SOLD(1) (2) ---- -------------- ----------- ------------ ----------- Alpha U.S. Sub Fund VIII, LLC 1,750,000 * 66,441 * Argent LowLev Convertible Arbitrage Fund LLC 100,000 * 3,796 * Argent LowLev Convertible Arbitrage Fund Ltd. 1,300,000 * 49,356 * Clinton Multistrategy Master Fund, Ltd. 12,750,000 2.6% 484,073 * Clinton Riverside Convertible Portfolio Limited 13,750,000 2.8% 522,039 * Deephaven Domestic Convertible Trading Ltd. 36,750,000 7.5% 1,395,269 * Goldman Sachs and Company 9,170,000 1.9% 348,152 * Highbridge International LLC 40,500,000 8.2% 1,537,643 * IDEX -- Transamerica Convertible Fund 80,000 * 3,037 * KBC Financial Products (Cayman Islands) Limited 18,300,000 3.7% 694,787 * Lincoln National Global Asset Allocation Fund, Inc. 86,000 * 3,265 * Lyxor Master Fund Ref: Argent/LowLev CB 400,000 * 15,186 * Man Convertible Bond Master Fund, Ltd. 6,359,000 1.3% 241,429 * Putnam Asset Allocation Funds -- Balanced Portfolio 710,000 * 26,956 * Putnam Asset Allocation Funds -- Conservative Portfolio 554,000 * 21,033 * Putnam Convertible Income-Growth Trust 4,800,000 1.0% 182,239 * Putnam Convertible Opportunities and Income Trust 180,000 * 6,833 * Putnam Variable Trust -- Putnam VT Global Asset Allocation Fund 170,000 * 6,454 * RCG Baldwin LP 1,267,000 * 48,103 * RCG Halifax Master Fund, Ltd. 475,000 * 18,034 * RCG Multi Strategy L.P. 905,000 * 34,359 * Ramius LP 633,000 * 24,032 * St. Thomas Trading, Ltd. 18,794,000 3.8% 713,542 * Teachers Insurance and Annuity Association 13,500,000 2.8% 512,547 * Transamerica Life Insurance & Annuities Co. 6,000,000 1.2% 18,603,591 * Transamerica Premier High Yield Fund 500,000 * 18,983 * UBS Global Equity Arbitrage Master Ltd. 500,000 * 18,983 * Zurich Institutional Benchmark Master Fund Ltd. 200,000 * 7,593 * * Less than 1% (1) Assumes conversion of all of the holder's notes at a conversion price of approximately $26.339 per share of common stock. However, this conversion price will be subject to adjustment as described under "Description of Notes-Conversion Rights". As a result, the amount of common stock issuable upon conversion of the notes may increase or decrease in the future. (2) Calculated based on Rule 13d-3(d)(i) of the Exchange Act using 369,432,477 shares of common stock outstanding as of April 5, 2002. In calculating this amount, we treated as outstanding the number of shares of common stock issuable upon conversion of all of that particular holder's notes. However, we did not assume the conversion of any other holder's notes.