Codexis Names Fernando Valle Research Fellow

REDWOOD CITY, Calif., Nov. 4 /PRNewswire/ -- Codexis, Inc. today announced
that Fernando Valle, Ph.D., has joined the company as Codexis' first Research
Fellow. Dr. Valle, a distinguished researcher in metabolic and genetic
engineering over a nearly 30-year career in industrial biotechnology, will
focus on Codexis' advanced biofuels programs. He will report to Lori Giver,
Ph.D., Vice President, Synthetic Biology.

Dr. Valle joins Codexis from LS9, where he was Senior Director, Metabolic
Engineering. Previously, he held a series of senior research positions with
Genencor over 10 years, including Director, Metabolic Pathway Engineering. He
holds a Ph.D in molecular biology and biotechnology from the National
University of Mexico, and also held research positions at that university's
Institute of Biotechnology. He is named on 14 issued U.S. patents and is an
author on more than 50 scientific articles in the genetic engineering field.

"Fernando Valle is one of our industry's leading experts in metabolic
engineering and in developing technology for real world commercial
applications," said David Anton, Ph.D., Senior Vice President, Research and
Development. "While at Genencor, he played a pivotal role in developing the
successful metabolic pathway leading to commercial scale production of the
chemical intermediate 1,3-propanediol (PDO, used in a wide variety of
industrial applications ranging from carpet to airplane deicing fluids). We
are delighted to welcome him to Codexis and our research leadership team.
Codexis' ability to attract world class talent like Fernando is a clear
indication of our preeminent position in cellular engineering."

Codexis, Inc. is a clean technology company. The company develops industrial
biocatalysts, including enzymes and microbes, for the energy, pharmaceutical
and environmental industries. Codexis serves major worldwide markets where
clean technology can make a positive economic and environmental impact. For
more information, visit www.codexis.com.

Contact: Lyn Christenson, lyn.christenson@codexis.com, 650-421-8144 or Saskia
Sidenfaden, ssidenfaden@mww.com, 212-827-3771.

SOURCE Codexis, Inc.

Lyn Christenson of Codexis, Inc., +1-650-421-8144,
lyn.christenson@codexis.com; or Saskia Sidenfaden, +1-212-827-3771,
ssidenfaden@mww.com, for Codexis, Inc.