EXACT SCIENCES CORP

Ticker: EXAS CUSIP: 30063P105 Class: EQTY

HARBOR INVESTMENT ADVISORY, LLC's Holding History (CIK: 0001468792)

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

Q4 2020

Shares 10 Value ($000) $1 Avg Close $120.93 Range $99.20 - $144.00

Q3 2020

Shares 2,779 Value ($000) $283 Avg Close $86.36 Range $70.75 - $103.02

Q2 2020

Shares 3,665 Value ($000) $319 Avg Close $79.90 Range $53.66 - $92.91

Q1 2020

Shares 2,156 Value ($000) $125 Avg Close $81.19 Range $35.25 - $105.56

Q4 2019

Shares 1,450 Value ($000) $134 Avg Close $87.91 Range $75.35 - $99.82

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2020	10	$1	$120.93	$99.20 - $144.00
Q3 2020	2,779	$283	$86.36	$70.75 - $103.02
Q2 2020	3,665	$319	$79.90	$53.66 - $92.91
Q1 2020	2,156	$125	$81.19	$35.25 - $105.56
Q4 2019	1,450	$134	$87.91	$75.35 - $99.82