ISO 14001 Environmental Management System

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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.
• Installed high efficient air conditioning equipment.
• Replaced inefficient steam humidification System in Production with high efficiency unit.
• Implementing LED Lighting Programs.

This is a listing of some of Keithley’s recycling results for 2010:

Recycled Item	2010
Corrugated Cardboard	42,094 lbs.
Aluminum Cans	180 lbs.
Paper	17,249 lbs.
IC Plastic Tubes	523 lbs.
Wooden Pallets	5,136 lbs.
Computers, electronic equipment, and Circuit Board Components	17,223 lbs.
Batteries	1,227 lbs.
Dross	4,183 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

Linda Rae
President

Revised January 11, 2011