Michael Woelk Joins Picarro as President and CEO

Michael Woelk Joins Picarro as President and CEO

November 13, 2007

    SUNNYVALE, Calif., Nov. 13 /Xinhua-PRNewswire/ --
Picarro, a leading manufacturer of high-performance trace
gas analyzers, today announced that Michael Woelk has
joined the company as president and chief executive
officer. Previously, he served as vice president of
marketing at Varian, Inc., overseeing the company's
scientific instrument business.  Mr. Woelk will replace
Bill Gignac, who will remain with the company.

    "I am extremely excited to join Picarro as I
believe the company has a tremendous opportunity for growth
in the vast scientific instruments and process control
markets," said Mr. Woelk.  "Picarro has developed
a series of ultra-high performance analyzers based on
technology that has the potential to solve many real-world
problems for customers around the globe.  I look forward to
working with the talented team of professionals at Picarro
to continue to build upon the company's success and to
extend its leadership position in the market."

    "Picarro is experiencing significant growth as its
groundbreaking technology is rapidly gaining acceptance in
the industry," said Alex Balkanski, general partner at
Benchmark Capital and a member of Picarro's Board of
Directors.  "The Board is extremely pleased to have
someone of Michael's caliber join the company.  With his
proven record in building, growing and leading companies in
the scientific instrument industry, Michael will be able to
guide the company through its next stage."  

    About Picarro

    Picarro's instruments set new standards for
sensitivity, speed, selectivity and ease-of-use in trace
gas detection, which enables customers to achieve dramatic
improvements in measurement precision, reliability and cost
of ownership.  The company serves the needs of customers
across a diverse range of markets.  For more information,
contact [e-mail] or visit http://www.picarro.com.


    For more information, please contact:

     Luc Ceuppens
     Picarro
     Tel:   [phone]
     Email: [e-mail]