Altera Announces Second Quarter Earnings Conference Call.

SAN JOSE, Calif. -- Altera Corporation (Nasdaq:ALTR) today announced it will hold a conference call for interested members of the investment community at 1:45 p.m. Pacific Time on Monday, July 25, 2005 to discuss the company's second quarter results and business outlook. The company will release earnings after the market close on July 25, 2005.

A live webcast and replay of the call will be available on the company's web site, http://www.altera.com. For those without access to the Internet, the live call and replay may be accessed telephonically. Further details are available through the company's investor relations information hotline at [phone].

About Altera

Altera Corporation (NASDAQ:ALTR) is the world's pioneer in system-on-a-programmable-chip (SOPC) solutions. Combining programmable logic technology with software tools, intellectual property, and technical services, Altera provides high-value programmable solutions to approximately 14,000 customers worldwide. More information is available at www.altera.com.

Altera, The Programmable Solutions Company, the stylized Altera logo, specific device designations and all other words that are identified as trademarks and/or service marks are, unless noted otherwise, the trademarks and service marks of Altera Corporation in the U.S. and other countries. All other product or service names are the property of their respective holders.