DEFINITIVE HEALTHCARE CORP

Ticker: DH CUSIP: 24477E103 Class: Common Stock

LOOMIS SAYLES & CO L P's Holding History (CIK: 0000312348)

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

Q1 2023

Shares 650 Value ($000) $0 Avg Close $11.78 Range $9.42 - $14.03

Q4 2022

Shares 157 Value ($000) $0 Avg Close $12.86 Range $9.53 - $17.39

Q3 2022

Shares 79 Value ($000) $1 Avg Close $21.99 Range $15.54 - $30.11

Q2 2022

Shares 79 Value ($000) $2 Avg Close $21.39 Range $14.76 - $26.97

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2023	650	$0	$11.78	$9.42 - $14.03
Q4 2022	157	$0	$12.86	$9.53 - $17.39
Q3 2022	79	$1	$21.99	$15.54 - $30.11
Q2 2022	79	$2	$21.39	$14.76 - $26.97