AMBAC FINL GROUP INC

Ticker: OSG CUSIP: 023139884 Class: Common Stock

Alberta Investment Management Corp's Holding History (CIK: 0001463559)

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

Q4 2018

Shares 56,200 Value ($000) $969 Avg Close $18.36 Range $15.02 - $21.38

Q3 2018

Shares 56,200 Value ($000) $1,148 Avg Close $20.88 Range $19.30 - $23.34

Q2 2018

Shares 56,200 Value ($000) $1,116 Avg Close $18.46 Range $15.17 - $21.11

Q1 2018

Shares 56,200 Value ($000) $881 Avg Close $15.46 Range $13.96 - $17.09

Q4 2017

Shares 56,200 Value ($000) $898 Avg Close $15.38 Range $13.17 - $17.79

Q3 2017

Shares 56,200 Value ($000) $970 Avg Close $18.46 Range $16.75 - $22.02

Q2 2017

Shares 56,200 Value ($000) $975 Avg Close $17.77 Range $15.67 - $20.28

Q1 2017

Shares 56,200 Value ($000) $1,060 Avg Close $21.04 Range $17.39 - $23.55

Q4 2016

Shares 17,900 Value ($000) $403 Avg Close $21.85 Range $17.75 - $27.25

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2018	56,200	$969	$18.36	$15.02 - $21.38
Q3 2018	56,200	$1,148	$20.88	$19.30 - $23.34
Q2 2018	56,200	$1,116	$18.46	$15.17 - $21.11
Q1 2018	56,200	$881	$15.46	$13.96 - $17.09
Q4 2017	56,200	$898	$15.38	$13.17 - $17.79
Q3 2017	56,200	$970	$18.46	$16.75 - $22.02
Q2 2017	56,200	$975	$17.77	$15.67 - $20.28
Q1 2017	56,200	$1,060	$21.04	$17.39 - $23.55
Q4 2016	17,900	$403	$21.85	$17.75 - $27.25