ELECTRO SCIENTIFIC INDS

CUSIP: 285229100 Class: COM

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q4 2018
Shares 1,718 Value ($000) $51 Avg Close — Range —
Q2 2018
Shares 1,600 Value ($000) $25 Avg Close — Range —
Q3 2017
Shares 90 Value ($000) $1 Avg Close — Range —