DATA I O CORP

Ticker: DAIO CUSIP: 237690102 Class: Stock

Russell Investments Group, Ltd.'s Holding History (CIK: 0001692234)

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

Q1 2018
Shares 21,973 Value ($000) $163 Avg Close $9.95 Range $6.75 - $12.52
Q4 2017
Shares 21,973 Value ($000) $274 Avg Close $11.84 Range $8.53 - $16.49