STI Partners with Allied Electronics for North American Distribution of Machine Safeguarding Solutions

Scientific Technologies, Inc. (STI) (Nasdaq:STIZ), a
leading North American provider of automation safeguarding products,
has partnered with Allied Electronics, Inc., a leading worldwide
distributor of electronic components and related products, for the
distribution of STI safety products throughout North America.
   Allied Electronics will sell STI's most popular machine safety
products including safety light curtains and other optical-based
safety devices, as well as interlocking solutions tailored to MRO
needs. Allied Electronics offers a single-source based system catering
to user and facility operations environments. They offer more than
281,000 parts for online purchase, and their print catalog includes
more than 135,000 products. Specifying engineers often look to Allied
Electronics for prototyping due to their extensive range of available
technology solutions.
   "We are delighted to join forces with a respected distribution
partner in Allied Electronics. Their experience and mode of operation
has proven effective in penetrating the vast user and MRO areas of the
machine safeguarding market. Coupled with our comprehensive line of
automation safety products and commitment to making people safe and
productive, this should prove to be a win-win relationship," said
James A. Lazzara, Senior Vice President of Sales for STI.

   About Allied Electronics

   In business since 1928, Allied Electronics, Inc. is a North
American leader in industrial distribution of electronics and
electromechanical components, and the North American Division of
Electrocomponents plc, the leader in catalog component distribution
worldwide.
   For more information contact: Allied Electronics, 7410 Pebble
Drive, Fort Worth, TX, 76118; 800-433-5700; www.alliedelec.com.

   About Scientific Technologies Inc.

   Scientific Technologies, Inc. (STI) is a North American leading
provider of automation safeguarding products and services through its
Safety Products Group. STI's Optical Sensor Division (OSD) provides
safety products that are used to protect workers around machinery,
automated equipment and industrial robots. Our products serve a wide
variety of applications and markets, including semiconductor,
automotive, electronics manufacturing, packaging and consumer markets.
STI's Machine Services Division (MSD) provides safety services such
as: safeguarding equipment installations, machine safety assessments,
and the design and custom fabrication of guarding solutions. MSD
specializes in machinery services including the repair, relocation,
installation and service of fabricating machinery. MSD serves
customers in a variety of industries, including metal fabrication,
aerospace, electronics, building materials, automotive and food
processing. Our web site is located at www.sti.com.
   STI's Automation Products Group serves the factory automation,
semiconductor, transportation, oil and gas, consumer and food
processing industries with a diversified offering of sensing
technologies. Products include level, flow, pressure sensing,
positioning transducers, vehicle separation, profiling and ultrasonic
sensors and controls. Further information is available at the Group's
web sites: www.automationsensors.com, and www.stiscanners.com.