EXHIBIT 5
JOINT FILING AGREEMENT
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In accordance with Rule 13d-1(k) under the Securities Exchange Act of 1934,
as amended, the undersigned, for good and valuable consideration consisting of
their mutual commitments stated herein, hereby agree to the joint filing with
all other Reporting Persons (as such term is defined in the Schedule 13D
referred to below) on behalf of each of them of a statement on Schedule 13D
(including amendments thereto) with respect to the Common Stock, par value $.10
per share, of Circuit Research Labs, Inc. and that this Agreement be included as
an Exhibit to such joint filing. This Agreement may be executed in any number
of counterparts all of which taken together shall constitute one and the same
instrument.
IN WITNESS WHEREOF, the undersigned hereby execute this Agreement this 30th
day of December, 2002.
/s/ Berthold Burkhardtsmaier
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Dialog4 System Engineering GmbH
By: Berthold Burkhardtsmaier
Its: Managing Director
/s/ Berthold Burkhardtsmaier
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Berthold Burkhardtsmaier
/s/ Xxxxxxxx Burkhardtsmaier
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Xxxxxxxx Burkhardtsmaier
/s/ Xxxxxxxxx Xxxxx
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Xxxxxxxxx Xxxxx
