National Instruments Annual Investor Conference Held in Conjunction With Company’s NIWeek User Conference

Company Executives to Discuss New Products and Field Sales Expansion Strategy

AUSTIN, Texas – Aug. 5, 2008 - National Instruments hosts its Annual Investor Conference in Austin, Texas, today in conjunction with NIWeek, the company’s annual customer and premier industry event for graphical system design. NIWeek is a key event for launching new products, and provides a forum for customers, members of the press, strategic partners and exhibitors to learn about and discuss the latest trends and technologies in test, control and design.

The investor conference begins with the keynote address Empowering Innovation in Green Engineering by Dr. James Truchard, NI president and CEO. Following the keynote, the NI management team will discuss the company’s new product R&D strategy and system level sales strategy.

"We are excited about the new opportunities created by the products we are introducing this week, including LabVIEW 8.6 and new hardware for RF, wireless data acquisition, and embedded FPGA deployments,” said Dr. James Truchard, National Instruments president, CEO and co-founder. “We believe continued investment in new product R&D combined with an aggressive expansion in our field sales force are key to accelerating our growth."

The event is scheduled to begin at 11:30 a.m. EST. To listen to the live webcast, please visit www.ni.com/nati.

About National Instruments
National Instruments (www.ni.com) is transforming the way engineers and scientists design, prototype and deploy systems for measurement, automation and embedded applications. NI empowers customers with off-the-shelf software such as NI LabVIEW and modular cost-effective hardware, and sells to a broad base of more than 25,000 different companies worldwide, with no one customer representing more than 3 percent of revenue and no one industry representing more than 10 percent of revenue. Headquartered in Austin, Texas, NI has more than 4,800 employees and direct operations in nearly 40 countries. For the past nine years, FORTUNE magazine has named NI one of the 100 best companies to work for in America. Readers can obtain investment information from the company’s investor relations department by calling (512) 683-5090, e-mailing nati@ni.com or visiting www.ni.com/nati.

LabVIEW, National Instruments, NI, ni.com and NIWeek are trademarks of National Instruments. Other product and company names listed are trademarks or trade names of their respective companies.