QUEST DIAGNOSTICS INC

Ticker: DGX CUSIP: 74834L100 Class: COMMON STOCK

Greenhaven Road Investment Management, L.P.'s Holding History (CIK: 0001741129)

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

Q3 2021

Shares 28,339 Value ($000) $173 Avg Close $134.48 Range $120.64 - $147.59

Q2 2021

Shares 30,351 Value ($000) $67 Avg Close $119.77 Range $115.00 - $130.65

Q1 2021

Shares 37,060 Value ($000) $145 Avg Close $112.12 Range $103.22 - $122.67

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2021	28,339	$173	$134.48	$120.64 - $147.59
Q2 2021	30,351	$67	$119.77	$115.00 - $130.65
Q1 2021	37,060	$145	$112.12	$103.22 - $122.67