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04.01.08
PulseWave RF Announces Sample Availability Dates for Two New Wireless Base Station Digital Power Amplifier Modules; New Linearization Technology First to Employ Real-time Feedback

08.04.06
Wireless Industry Veteran Gary Flood Joins PulseWave RF Board of Directors; Communication Systems Expert to Help Support Expansion of Industry’s First Digital Power Amplifier Chipset Module

06.26.06
PulseWave RF Secures $30 Million in Series C Funding; Oak Investment Partners Leads Investment in Provider of New Digital Amplifier Module for Wireless Base Stations

04.05.06
PulseWave RF Makes Available Samples of Industry’s First Digital
Power Amplifier Chipset Module for Wireless Base Stations

04.04.06
New Board Members to Advise Company on Market Expansion of Industry’s First
Wireless Base Station Digital Power Amplifier Technology

03.27.06
Wireless and Telecommunications Industry Veteran Brings Proven Expertise in
Establishing New Markets for Emerging Technologies

03.13.06
PulseWave RF completes successful demonstration of industry's first digital power amplifier module for wireless base stations

10.14.05
PropheSi Technologies picks up $8 million in series B funding
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PulseWave RF Secures $30 Million in Series C Funding

Oak Investment Partners Leads Investment in Provider of New Digital Amplifier Module for Wireless Base Stations

AUSTIN, Texas--(BUSINESS WIRE)--June 26, 2006--PulseWave RF(TM), Inc. (formerly PropheSi Technologies(TM),
Inc.), a fabless semiconductor company providing modules for the wireless infrastructure market, today
announced that it closed a $30 million Series C funding round led by Oak Investment Partners. Existing
PulseWave RF investors, including Austin Ventures, Bay Partners and Genesis Campus, also participated in the
round. PulseWave RF will use the funding to commercialize its Class M Power amplifier module, the industry's first
digital power amplifier architecture for wireless base stations. In addition, the investment will support the
company's expansion of its operations, sales & marketing and engineering teams.

"This investment underscores our belief in the tremendous impact that the PulseWave RF Class M Power
technology will have on the wireless base station market," said Bandel Carano, Managing Partner at Oak
Investment Partners. "By creating the first technology to bring wireless power amplifiers into the digital age,
PulseWave RF has demonstrated a 40 percent increase in power efficiency in base stations and will drive
tremendous performance improvements and cost reduction, and we look forward to working with the
company's talented team in bringing this technology to the markets and its customers."

The new PulseWave RF proprietary Class M Power technology is the industry's first digital RF power amplifier
architecture, delivering an unrivaled level of integration and performance. Designed to meet the challenging
requirements of CDMA 2000, WCDMA, ODFMA/WiMAX and future air interfaces, the new Class M Power
module will reduce the amplifier cost and form factor by 50 percent and operate at efficiencies greater than
25 percent. The net effect will be a 20 percent overall reduction in the capital cost of today's wireless base
stations.

"Since successfully demonstrating our digital power amplifier prototypes in March, the world's leading telecom
manufacturers have shown incredible interest in this new technology," said Graham Haddock, president and
CEO of PulseWave RF. "This significant investment will not only support the commercialization of the Class M
architecture, but also accelerate the delivery of future performance improvements."

About Oak Investment Partners
Established in 1978, Oak Investment Partners is a venture capital firm with a strong track record as a multi-stage
investor with a total of $8.4 billion in committed capital. Their primary investment focus is on high growth
opportunities in communications, information technology, consumer internet, new media, financial services
information technology, semiconductors, healthcare services and consumer retail. Oak concentrates on
building long-term relationships with experienced management teams to develop successful companies that
deliver consistent performance over time. These include 2Wire, Aquantive, Compaq, Fastclick (acquired by
ValueClick), Genzyme, IGE, Inktomi (acquired by Yahoo!), Parametric Technology Corporation, Polycom,
RazorGator, Seagate Technologies, SMIC, Sybase, Synaptics, Synopsys, TeleAtlas, Virata, Wireless Facilities (WFII), etc. For more information, please visit www.oakvc.com.

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