A10 Networks Secures $9 Million in Series B Funding

Demonstrates Corporate Growth through New Headquarters and Global Expansion

SAN JOSE, CA, Nov. 13, 2006 - Credited with developing the industry's first enterprise IP-to-ID product, A10 Networks today announced the close for $9 million in Series B funding. A10 Networks' new investors Enspire Capital, H&Q/Asian Pacific and Miven Ventures join existing investors Triton Ventures and Harbinger Venture for the oversubscribed Series B funding round.

The new financing increases the total investment in A10 Networks to $16 million since its formation 24 months ago. The proceeds will be used to rapidly scale operations worldwide to prepare for new product introductions in January of 2007.

"We looked into many startups and A10 Networks is one of the few really good investment opportunities in Silicon Valley. A10 Networks has the team and innovative technology to take advantage of a multi-billion dollar networking market opportunity," said K.S. Chay, chairman of Enspire Capital Ltd., and founder and former president of Creative Technology Ltd (Nasdaq/Singapore Stock Exchange).

"The new investment will allow us to continue building market momentum for A10 solutions" said Lee Chen, founder and CEO of A10 Networks. "We will continue delivering our award-winning products, developed by our world-class engineers. I believe 2007 will be the most exciting year for A10 Networks."

A10 Networks' Series B funding comes amid several recent company milestones, including:

About A10 Networks
A10 Networks was founded in Q4 of 2004 with a mission to provide innovative networking and security solutions. A10 Networks makes high-performance products that help organizations accelerate, optimize and secure their applications. A10 Networks is a venture-funded, privately-held, Silicon Valley-based technology company. For more information, visit www.a10networks.com.

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Contact:
Kelly LeBlanc
A10 Networks
408-325-8668
kleblanc@a10networks.com