FOR IMMEDIATE RELEASE


XILINX WINS PATENT CASE AGAINST ALTERA

Company seeks injunction against all shipments of infringing Altera products

Link to Q & A

SAN JOSE, Calif., November 17, 2000 -Xilinx, Inc. (NASDAQ:XLNX) today announced that it will seek an immediate injunction against Altera Corporation to stop all shipments of Altera Flex product and its derivative programmable logic devices that infringe two Xilinx patents. The action by Xilinx followed a decision earlier today by a federal jury, which found that Altera infringes patents owned by Xilinx. A trial for monetary damages will take place at a later time. Xilinx originally filed the case in 1993. The case finally went to trial October 5, 2000, in Federal District Court in San Jose, California.

"Xilinx is very pleased with the verdict rendered today in our seven-year old patent infringement case against Altera," said Tom Lavelle, general counsel for Xilinx.

Xilinx is the leading supplier of complete programmable logic solutions, including advanced integrated circuits, software design tools, predefined system functions delivered as cores, and unparalleled field engineering support. Founded in 1984 and headquartered in San Jose, Calif., Xilinx invented the field programmable gate array (FPGA) and fulfills more than half of the world demand for these devices today. Xilinx solutions enable customers to reduce significantly the time required to develop products for the computer, peripheral, telecommunications, networking, industrial control, instrumentation, aerospace, defense, and consumer markets. For more information, visit the Xilinx web site at http://www.xilinx.com.

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Editorial Contacts  
Tamara Snowden Tom Lavelle
Public Relations Vice-President and General Counsel
Xilinx, Inc. Xilinx, Inc.
(408) 879-6146 (408) 879-5085
tamara.snowden@xilinx.com tom.lavelle@xilinx.com