13G Filing: Penbrook Management and Data I/O Corp (DAIO)

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Page 13 of 13 SEC Filing

CUSIP No. 237690102 13G Page 13 of 13 Pages

Exhibit A
Joint Filing Agreement

Penbrook Management, LLC, AnKap Partners,L.P. AnKap LLC,
Robert S. Anderson,Ralph Kaplan, Barbara Burke DiCostanzo, Ward Anderson
each hereby agrees that the Schedule 13G to which this Exhibit is
attached and any amendments thereto relating to the acquisition of shares
of common Stock of Data I/O Corp. is filed jointly on behalf of each such
person.

Dated: February 25, 2016

Penbrook Management, LLC

/s/ Barbara Burke DiCostanzo
__________________________________________
Barbara Burke DiCostanzo, Managing Member
Penbrook Management, LLC

/s/Ward Anderson
___________________________
Ward Anderson, Non-Managing Member
Penbrook Management, LLC

AnKap Partners, L.P.

/s/Robert S. Anderson
___________________________________
Robert S. Anderson, Managing Member
of the General Partner

AnKap, LLC

/s/Robert S. Anderson
___________________________________
Robert S. Anderson, Managing Member
AnKap, LLC

/s/Robert S. Anderson
______________________
Robert S. Anderson

/s/Ralph Kaplan
______________________
Ralph Kaplan

/s/Barbara Burke DiCostanzo
___________________________
Barbara Burke DiCostanzo

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