FREMONT, CA – December 2, 2003 – Santur Corporation, a leading manufacturer of reliable, cost-effective source laser components for the telecommunications industry, today announced a $10 million Series C funding, led by new investor VantagePoint Venture Partners, one of the largest and most active venture capital firms in the nation. The round also included existing investors Menlo Ventures, Sequoia Capital, Thomas Weisel Venture Partners, and Lighthouse Capital.

"Santur’s strong customer traction with tier-1 systems suppliers, its reliable tunable laser technology, and proven management team are three great reasons to be excited about this investment.” said David Fries, Managing Director, VantagePoint Venture Partners.

“We are very pleased with this vote of confidence in Santur, the market, and our ability to execute to our business plan,” said Dr. Richard Craig, CEO of Santur Corporation. “With this Series C funding, Santur is fully funded and will be able to meet our customers ramping production schedules.”

About Santur Corporation
Headquartered in Fremont, California, Santur Corporation is a leading vertically integrated manufacturer of high-performance tunable lasers for metro and long-haul WDM systems. The company’s patented DFB-array technology enables the fabrication of broadly tunable sources at the same performance and costs as fixed wavelength sources. Santur’s products have set a new standard in the industry with their unique combination of high-power achieved without the use of a semiconductor optical amplifier (SOA), wide tunability with no possibility of mode hops, stability in harsh environments, Telcordia GR-468 reliability and low cost. For more information, visit www.santurcorp.com, call 1-(866)-TUNABLE, or e-mail marketing@santurcorp.com.

About VantagePoint Venture Partners
VantagePoint Venture Partners is one of the nation's largest venture capital firms that actively works with management teams and its strategic partners to build technology leaders. As an active multi-stage investor, the Firm provides funding and resources for all stages of a company's lifecycle from seed round through late stage and privately negotiated investments in public companies. VantagePoint is based on a full-service 'Partner-Team' approach that provides entrepreneurs with a blend of technology, venture capital, operations, and corporate-finance expertise. As hands-on investors, the Firm is focused on technology investments in communications, semiconductor, software, internet, CleanTech and healthcare commerce sectors.

Contacts:
VantagePoint Venture Partners
Christine Hinton
(650) 624-1595

Gurinder Parhar
V.P., Business Development
Santur Corporation
P: (510) 933-4100, ext. 226
F: (510) 656-7563
E-mail: marketing@santurcorp.com