UNITIL CORP

Ticker: UTL CUSIP: 913259107 Class: Common Stock

Walleye Trading LLC's Holding History (CIK: 0001388391)

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

Q4 2015

Shares 3,111 Value ($000) $112 Avg Close $35.90 Range $33.75 - $38.75

Q2 2015

Shares 100 Value ($000) $3 Avg Close $33.77 Range $32.63 - $35.29

Q1 2015

Shares 2,264 Value ($000) $79 Avg Close $35.26 Range $32.99 - $39.00

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2015	3,111	$112	$35.90	$33.75 - $38.75
Q2 2015	100	$3	$33.77	$32.63 - $35.29
Q1 2015	2,264	$79	$35.26	$32.99 - $39.00