AMBAC FINL GROUP INC

Ticker: OSG CUSIP: 023139884 Class: Common Stock

Public Sector Pension Investment Board's Holding History (CIK: 0001396318)

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

Q2 2025

Shares 72,000 Value ($000) $511 Avg Close $7.45 Range $5.99 - $8.69

Q1 2025

Shares 72,000 Value ($000) $630 Avg Close $10.53 Range $7.92 - $12.84

Q4 2024

Shares 190,804 Value ($000) $2,414 Avg Close $12.05 Range $10.83 - $13.64

Q3 2024

Shares 172,656 Value ($000) $1,935 Avg Close $11.69 Range $10.12 - $13.32

Q2 2024

Shares 171,456 Value ($000) $2,198 Avg Close $15.25 Range $11.80 - $18.45

Q1 2024

Shares 165,792 Value ($000) $2,591 Avg Close $15.77 Range $14.53 - $17.80

Q4 2023

Shares 165,792 Value ($000) $2,732 Avg Close $13.90 Range $11.26 - $16.60

Q3 2023

Shares 127,995 Value ($000) $1,544 Avg Close $13.44 Range $11.99 - $14.64

Q2 2023

Shares 152,447 Value ($000) $2,171 Avg Close $14.63 Range $13.18 - $16.10

Q1 2023

Shares 151,094 Value ($000) $2,339 Avg Close $16.18 Range $14.17 - $17.75

Q4 2022

Shares 82,418 Value ($000) $1,437 Avg Close $14.86 Range $12.55 - $17.59

Q3 2022

Shares 82,418 Value ($000) $1 Avg Close $13.32 Range $11.15 - $15.59

Q2 2022

Shares 83,376 Value ($000) $946 Avg Close $9.49 Range $7.24 - $11.85

Q1 2022

Shares 147,671 Value ($000) $1,536 Avg Close $13.55 Range $8.14 - $16.64

Q4 2021

Shares 261,451 Value ($000) $4,196 Avg Close $15.71 Range $14.07 - $17.86

Q3 2021

Shares 155,451 Value ($000) $2,226 Avg Close $14.28 Range $13.09 - $15.94

Q2 2021

Shares 155,451 Value ($000) $2,434 Avg Close $16.07 Range $13.94 - $17.82

Q1 2021

Shares 155,451 Value ($000) $2,602 Avg Close $16.34 Range $14.13 - $18.63

Q4 2020

Shares 101,331 Value ($000) $1,558 Avg Close $14.74 Range $11.92 - $18.19

Q3 2020

Shares 101,891 Value ($000) $1,301 Avg Close $12.88 Range $11.14 - $14.75

Q2 2020

Shares 101,891 Value ($000) $1,459 Avg Close $14.62 Range $10.58 - $17.64

Q1 2020

Shares 101,891 Value ($000) $1,257 Avg Close $19.17 Range $8.74 - $22.90

Q4 2019

Shares 101,891 Value ($000) $2,198 Avg Close $20.51 Range $19.05 - $21.95

Q3 2019

Shares 116,291 Value ($000) $2,273 Avg Close $18.37 Range $16.69 - $20.74

Q2 2019

Shares 100,391 Value ($000) $1,692 Avg Close $17.07 Range $14.44 - $19.28

Q1 2019

Shares 41,691 Value ($000) $755 Avg Close $19.10 Range $17.01 - $21.01

Q4 2018

Shares 39,691 Value ($000) $684 Avg Close $18.36 Range $15.02 - $21.38

Q3 2018

Shares 32,591 Value ($000) $666 Avg Close $20.88 Range $19.30 - $23.34

Q2 2018

Shares 30,000 Value ($000) $596 Avg Close $18.46 Range $15.17 - $21.11

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2025	72,000	$511	$7.45	$5.99 - $8.69
Q1 2025	72,000	$630	$10.53	$7.92 - $12.84
Q4 2024	190,804	$2,414	$12.05	$10.83 - $13.64
Q3 2024	172,656	$1,935	$11.69	$10.12 - $13.32
Q2 2024	171,456	$2,198	$15.25	$11.80 - $18.45
Q1 2024	165,792	$2,591	$15.77	$14.53 - $17.80
Q4 2023	165,792	$2,732	$13.90	$11.26 - $16.60
Q3 2023	127,995	$1,544	$13.44	$11.99 - $14.64
Q2 2023	152,447	$2,171	$14.63	$13.18 - $16.10
Q1 2023	151,094	$2,339	$16.18	$14.17 - $17.75
Q4 2022	82,418	$1,437	$14.86	$12.55 - $17.59
Q3 2022	82,418	$1	$13.32	$11.15 - $15.59
Q2 2022	83,376	$946	$9.49	$7.24 - $11.85
Q1 2022	147,671	$1,536	$13.55	$8.14 - $16.64
Q4 2021	261,451	$4,196	$15.71	$14.07 - $17.86
Q3 2021	155,451	$2,226	$14.28	$13.09 - $15.94
Q2 2021	155,451	$2,434	$16.07	$13.94 - $17.82
Q1 2021	155,451	$2,602	$16.34	$14.13 - $18.63
Q4 2020	101,331	$1,558	$14.74	$11.92 - $18.19
Q3 2020	101,891	$1,301	$12.88	$11.14 - $14.75
Q2 2020	101,891	$1,459	$14.62	$10.58 - $17.64
Q1 2020	101,891	$1,257	$19.17	$8.74 - $22.90
Q4 2019	101,891	$2,198	$20.51	$19.05 - $21.95
Q3 2019	116,291	$2,273	$18.37	$16.69 - $20.74
Q2 2019	100,391	$1,692	$17.07	$14.44 - $19.28
Q1 2019	41,691	$755	$19.10	$17.01 - $21.01
Q4 2018	39,691	$684	$18.36	$15.02 - $21.38
Q3 2018	32,591	$666	$20.88	$19.30 - $23.34
Q2 2018	30,000	$596	$18.46	$15.17 - $21.11