Keithley Instruments is certified to be in compliance with the ISO 14001, 2004 Environmental Management System Standard.

As described in our environmental policy, "Keithley Instruments, Inc. is committed to protecting the environment and the health and safety of our employees, our customers, and the public. We strive to conduct our activities in an environmentally sustainable manner, taking into consideration the complex and interconnected relationship of our ecosystem."

In line with this excerpt, Keithley has implemented and maintains an ISO 14001 compliant Environmental Management System (EMS). Recent continuous improvements include these equipment installations:

• Upgraded lighting systems using energy savings lamps and ballasts.
• A wave solder machine with a closed loop water wash and a ventilation system that has resulted in zero waste from the manufacturing process.
  
• High efficient air conditioning equipment using glycol cooling loops.
• A stencil cleaner that has eliminated solvent use.
• A solder dross recovery system that significantly reduces dross sent to the recycler

This is a listing of some of Keithley’s recycling results for 2007:

Recycling Results
Recycled Item	2007
Corrugated Cardboard	64,954 lbs.
Aluminum Cans	173 lbs.
Paper	28,688 lbs.
IC Plastic Tubes	1,188 lbs.
Wooden Pallets	8 tons
Computers and equipment	7,237 lbs.
Batteries	1,131 lbs.
Dross	3,540 lbs.

Keithley Instruments, Inc. is committed to protecting the environment and the health and safety of our employees, our customers, and the public. We strive to conduct our activities in an environmentally sustainable manner, taking into consideration the complex and interconnected relationship of our ecosystem.

Keithley Instruments, Inc. is committed to compliance with all applicable governmental requirements and internal environmental, health, and safety (EHS) requirements. We maintain management systems designed to ensure compliance and support integration of EHS considerations into our business process.

Keithley Instruments, Inc. is committed to the protection of human health and prevention of pollution. We strive to identify and eliminate negative EHS impacts associated with our facilities, activities, services, and products.

Keithley Instruments, Inc. is committed to continual improvement of our EHS management systems and performance. Keithley Instruments, Inc. will establish objectives and targets, conduct regular management systems and performance evaluations, and periodically report on our performance to our employees, our customers, and the public.

Keithley Instruments, Inc. will foster communications with interested parties, including our employees and the public, and be responsive to their EHS concerns and suggestions. We will share information and openly communicate our EHS management systems and performance and the impacts of our activities, services, and products.

Management at all levels will take actions to ensure that all employees understand the meaning and the importance of this policy. Our employees are responsible for integrating EHS consideration into their work activities.

Signed by

Joseph P. Keithley
Chairman of the Board
Revised August 14, 2002