DATA I O CORP

Ticker: DAIO CUSIP: 237690102 Class: Stock

PRELUDE CAPITAL MANAGEMENT, LLC's Holding History (CIK: 0001387508)

Note: Option positions (PUT/CALL) are excluded.

Q1 2019

Shares 3,739 Value ($000) $21 Avg Close $5.88 Range $5.00 - $6.88

Q2 2018

Shares 11,079 Value ($000) $70 Avg Close $7.06 Range $6.04 - $7.97

Q1 2018

Shares 17,935 Value ($000) $133 Avg Close $9.95 Range $6.75 - $12.52

Q4 2017

Shares 5,605 Value ($000) $67 Avg Close $11.84 Range $8.53 - $16.49

Q3 2017

Shares 1,900 Value ($000) $19 Avg Close $8.55 Range $7.03 - $10.19

Q2 2017

Shares 300 Value ($000) $2 Avg Close $6.67 Range $4.56 - $9.37

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2019	3,739	$21	$5.88	$5.00 - $6.88
Q2 2018	11,079	$70	$7.06	$6.04 - $7.97
Q1 2018	17,935	$133	$9.95	$6.75 - $12.52
Q4 2017	5,605	$67	$11.84	$8.53 - $16.49
Q3 2017	1,900	$19	$8.55	$7.03 - $10.19
Q2 2017	300	$2	$6.67	$4.56 - $9.37