January 1 1999

CARPENTERSVILLE, ILLINOIS, U.S.A.: OTTO CONTROLS, manufacturer of precision
switches for demanding applications, has announced the addition of 40,000 square feet to
the existing 100,000 square foot manufacturing campus. The three story addition features
expanded manufacturing space, employee training facilities, expanded quality assurance
labs, employee cafeteria, parts warehousing, new shipping/receiving docks and entrance
vestibules. A large parking area is also being added.

The first floor of the addition will provide expanded warehousing space for raw materials
and finished goods, a new Shipping and Receiving facility with enclosed loading docks and
an expanded work area for the Maintenance Department. There will also be new vestibules
in the front and back of the building for visitors and employees.

The second floor will include expanded production space and an employee cafeteria
complete with kitchen. A new Training Center featuring three computer equipped
classrooms, replacing the existing training room, will be added for expanded employee
training.

The Quality Assurance Department will be relocated adjacent to and with an entrance to the
Engineering Department, located on the third floor of the existing building. The test lab will
be moved from the existing building and enlarged to accommodate increasing testing
needs. The current test lab will be converted to office space. The third floor also will feature
expanded production space and a new cafeteria. The new production space in the addition
will provide more than double the existing capacity. With this and the addition of a 2nd shift,
OTTO will have an abundance of room to grow to meet increasing customer demands for
OTTO products.

Ground breaking for OTTO’s new addition was April, 1998. Occupancy is scheduled for
January, 1999.