FORTINET INC

Ticker: FTNT CUSIP: 34959E109 Class: COM

OLD SECOND NATIONAL BANK OF AURORA's Holding History (CIK: 0000903783)

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

Q4 2017

Shares 671 Value ($000) $29 Avg Close $8.15 Range $7.18 - $9.13

Q3 2017

Shares 671 Value ($000) $24 Avg Close $7.59 Range $7.09 - $8.31

Q2 2017

Shares 671 Value ($000) $25 Avg Close $7.75 Range $7.15 - $8.27

Q1 2017

Shares 671 Value ($000) $26 Avg Close $7.07 Range $5.98 - $7.71

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2017	671	$29	$8.15	$7.18 - $9.13
Q3 2017	671	$24	$7.59	$7.09 - $8.31
Q2 2017	671	$25	$7.75	$7.15 - $8.27
Q1 2017	671	$26	$7.07	$5.98 - $7.71