ALLEGHENY TECHNOLOGIES INC

Ticker: ATI CUSIP: 01741R102 Class: EQTY

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

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

Q4 2024

Shares 355,385 Value ($000) $19,560 Avg Close $58.97 Range $52.45 - $67.09

Q3 2024

Shares 264,086 Value ($000) $17,670 Avg Close $62.09 Range $53.90 - $68.92

Q2 2024

Shares 273,786 Value ($000) $15,181 Avg Close $56.03 Range $47.90 - $62.44

Q1 2024

Shares 261,502 Value ($000) $13,381 Avg Close $45.22 Range $38.04 - $51.95

Q4 2023

Shares 264,742 Value ($000) $12,038 Avg Close $41.52 Range $35.03 - $46.57

Q3 2023

Shares 158,929 Value ($000) $6,540 Avg Close $44.44 Range $41.04 - $47.92

Q2 2023

Shares 228,174 Value ($000) $10,092 Avg Close $38.25 Range $34.10 - $44.39

Q1 2023

Shares 227,617 Value ($000) $8,982 Avg Close $37.76 Range $29.37 - $43.32

Q4 2022

Shares 235,448 Value ($000) $7,030 Avg Close $29.27 Range $25.39 - $31.74

Q3 2022

Shares 238,113 Value ($000) $6 Avg Close $27.84 Range $20.52 - $33.31

Q2 2022

Shares 229,789 Value ($000) $5,219 Avg Close $26.35 Range $20.87 - $30.74

Q1 2022

Shares 237,500 Value ($000) $6,375 Avg Close $23.18 Range $16.02 - $28.45

Q4 2021

Shares 259,180 Value ($000) $4,129 Avg Close $16.05 Range $13.85 - $18.33

Q3 2021

Shares 257,120 Value ($000) $4,276 Avg Close $18.91 Range $15.75 - $22.33

Q2 2021

Shares 259,930 Value ($000) $5,420 Avg Close $22.93 Range $20.15 - $25.04

Q1 2021

Shares 261,470 Value ($000) $5,507 Avg Close $19.55 Range $15.97 - $22.87

Q4 2020

Shares 280,340 Value ($000) $4,701 Avg Close $12.70 Range $8.24 - $17.60

Q3 2020

Shares 280,340 Value ($000) $2,445 Avg Close $9.20 Range $8.04 - $11.06

Q2 2015

Shares 37,120 Value ($000) $1,121 Avg Close $31.90 Range $27.97 - $36.35

Q1 2015

Shares 37,120 Value ($000) $1,114 Avg Close $29.80 Range $25.96 - $33.60

Q4 2014

Shares 36,632 Value ($000) $1,274 Avg Close $31.49 Range $28.73 - $35.21

Q3 2014

Shares 40,032 Value ($000) $1,485 Avg Close $39.92 Range $34.97 - $43.90

Q2 2014

Shares 40,832 Value ($000) $1,842 Avg Close $38.68 Range $35.44 - $42.89

Q1 2014

Shares 39,526 Value ($000) $1,489 Avg Close $31.60 Range $27.91 - $36.14

Q4 2013

Shares 39,826 Value ($000) $1,419 Avg Close $30.74 Range $27.52 - $33.68

Q3 2013

Shares 35,926 Value ($000) $1,096 Avg Close $26.04 Range $23.74 - $30.56

Q2 2013

Shares 36,626 Value ($000) $964 Avg Close $26.04 Range $23.70 - $29.42

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2024	355,385	$19,560	$58.97	$52.45 - $67.09
Q3 2024	264,086	$17,670	$62.09	$53.90 - $68.92
Q2 2024	273,786	$15,181	$56.03	$47.90 - $62.44
Q1 2024	261,502	$13,381	$45.22	$38.04 - $51.95
Q4 2023	264,742	$12,038	$41.52	$35.03 - $46.57
Q3 2023	158,929	$6,540	$44.44	$41.04 - $47.92
Q2 2023	228,174	$10,092	$38.25	$34.10 - $44.39
Q1 2023	227,617	$8,982	$37.76	$29.37 - $43.32
Q4 2022	235,448	$7,030	$29.27	$25.39 - $31.74
Q3 2022	238,113	$6	$27.84	$20.52 - $33.31
Q2 2022	229,789	$5,219	$26.35	$20.87 - $30.74
Q1 2022	237,500	$6,375	$23.18	$16.02 - $28.45
Q4 2021	259,180	$4,129	$16.05	$13.85 - $18.33
Q3 2021	257,120	$4,276	$18.91	$15.75 - $22.33
Q2 2021	259,930	$5,420	$22.93	$20.15 - $25.04
Q1 2021	261,470	$5,507	$19.55	$15.97 - $22.87
Q4 2020	280,340	$4,701	$12.70	$8.24 - $17.60
Q3 2020	280,340	$2,445	$9.20	$8.04 - $11.06
Q2 2015	37,120	$1,121	$31.90	$27.97 - $36.35
Q1 2015	37,120	$1,114	$29.80	$25.96 - $33.60
Q4 2014	36,632	$1,274	$31.49	$28.73 - $35.21
Q3 2014	40,032	$1,485	$39.92	$34.97 - $43.90
Q2 2014	40,832	$1,842	$38.68	$35.44 - $42.89
Q1 2014	39,526	$1,489	$31.60	$27.91 - $36.14
Q4 2013	39,826	$1,419	$30.74	$27.52 - $33.68
Q3 2013	35,926	$1,096	$26.04	$23.74 - $30.56
Q2 2013	36,626	$964	$26.04	$23.70 - $29.42