Altera Updates Fourth Quarter Revenue Guidance and Issues 2011 Guidance

SAN JOSE, Calif., Nov. 29, 2010  -- Altera Corporation (Nasdaq: ALTR) today announced updated fourth quarter guidance and key guidance elements for 2011.

Fourth Quarter Guidance Update

Based on quarter-to-date results and the company's outlook for the remainder of the quarter, fourth quarter revenue is likely to grow 3 to 6 percent sequentially, unchanged from previously issued guidance.

The company's new products have been the company's growth drivers with both Stratix(R) IV and Arria(R) II 40-nm FPGAs posting particularly strong quarterly comparisons.

2011 Guidance

During the fourth quarter, the company typically issues key guidance elements for the following year. Data for 2011 appears in the following table:

Gross Margin		70% +/- 1%
Research and Development	Approximately	$330 million
SG&A	"	$265 million
Tax Rate		11-13%
Diluted Share Count	"	322 million

Today's Conference Call

A conference call will be held today at 1:45 Pacific Time to discuss Altera's 2011 guidance. A web cast and subsequent replay will be available in the Investor Relations section of the company's website at www.altera.com. A telephonic replay of the call may be accessed later in the day by calling (719) 457-0820 and referencing confirmation code 258712. The telephonic replay will be available for two weeks following the live call.

About Altera

Altera programmable solutions enable system and semiconductor companies to rapidly and cost-effectively innovate, differentiate and win in their markets. Find out more about Altera's FPGA, CPLD and ASIC devices at www.altera.com.