DONNELLEY FINL SOLUTIONS INC

Ticker: DFIN CUSIP: 25787G100 Class: COM

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

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

Q1 2021

Shares 100 Value ($000) $3 Avg Close $23.14 Range $16.73 - $30.24

Q4 2018

Shares 725 Value ($000) $10 Avg Close $15.98 Range $13.15 - $18.09

Q3 2018

Shares 6,850 Value ($000) $123 Avg Close $19.78 Range $17.07 - $21.44

Q2 2018

Shares 2,149 Value ($000) $37 Avg Close $17.21 Range $15.22 - $19.72

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2021	100	$3	$23.14	$16.73 - $30.24
Q4 2018	725	$10	$15.98	$13.15 - $18.09
Q3 2018	6,850	$123	$19.78	$17.07 - $21.44
Q2 2018	2,149	$37	$17.21	$15.22 - $19.72