ATS CORPORATION

Ticker: ATS CUSIP: 00217Y104 Class: Foreign Stock

SIG North Trading, ULC's Holding History (CIK: 0001868643)

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

Q4 2025

Shares 29,342 Value ($000) $808 Avg Close $26.71 Range $23.85 - $30.00

Q2 2024

Shares 14,288 Value ($000) $462 Avg Close $32.27 Range $29.78 - $35.42

Q1 2024

Shares 7,484 Value ($000) $252 Avg Close $39.69 Range $33.34 - $44.70

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	29,342	$808	$26.71	$23.85 - $30.00
Q2 2024	14,288	$462	$32.27	$29.78 - $35.42
Q1 2024	7,484	$252	$39.69	$33.34 - $44.70