QUEST DIAGNOSTICS INC

Ticker: DGX CUSIP: 74834L100 Class: COMMON STOCK

Probity Advisors, Inc.'s Holding History (CIK: 0001676603)

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

Q1 2021

Shares 1,595 Value ($000) $205 Avg Close $112.12 Range $103.22 - $122.67

Q3 2020

Shares 2,346 Value ($000) $269 Avg Close $106.55 Range $93.90 - $118.90

Q2 2020

Shares 3,358 Value ($000) $383 Avg Close $95.20 Range $65.05 - $112.22

Q1 2020

Shares 3,386 Value ($000) $272 Avg Close $92.18 Range $65.22 - $105.64

Q4 2019

Shares 3,556 Value ($000) $380 Avg Close $92.43 Range $88.27 - $96.58

Q3 2019

Shares 2,104 Value ($000) $225 Avg Close $90.53 Range $85.50 - $95.23

Q2 2019

Shares 2,027 Value ($000) $206 Avg Close $84.30 Range $73.99 - $89.95

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2021	1,595	$205	$112.12	$103.22 - $122.67
Q3 2020	2,346	$269	$106.55	$93.90 - $118.90
Q2 2020	3,358	$383	$95.20	$65.05 - $112.22
Q1 2020	3,386	$272	$92.18	$65.22 - $105.64
Q4 2019	3,556	$380	$92.43	$88.27 - $96.58
Q3 2019	2,104	$225	$90.53	$85.50 - $95.23
Q2 2019	2,027	$206	$84.30	$73.99 - $89.95