MERCK & CO INC

Ticker: MRK CUSIP: 58933Y105 Class: COM

Leith Wheeler Investment Counsel Ltd.'s Holding History (CIK: 0001353651)

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

Q4 2025

Shares 1,929 Value ($000) $203 Avg Close $93.24 Range $81.31 - $107.59

Q2 2025

Shares 3,236 Value ($000) $256 Avg Close $77.39 Range $71.26 - $87.25

Q1 2025

Shares 186,529 Value ($000) $16,743 Avg Close $90.12 Range $78.10 - $99.24

Q4 2024

Shares 113,484 Value ($000) $11,289 Avg Close $98.70 Range $90.33 - $109.75

Q3 2024

Shares 120,102 Value ($000) $13,639 Avg Close $112.96 Range $105.16 - $123.40

Q2 2024

Shares 3,087 Value ($000) $382 Avg Close $121.72 Range $114.80 - $127.87

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,929	$203	$93.24	$81.31 - $107.59
Q2 2025	3,236	$256	$77.39	$71.26 - $87.25
Q1 2025	186,529	$16,743	$90.12	$78.10 - $99.24
Q4 2024	113,484	$11,289	$98.70	$90.33 - $109.75
Q3 2024	120,102	$13,639	$112.96	$105.16 - $123.40
Q2 2024	3,087	$382	$121.72	$114.80 - $127.87