VERTEX INC

Ticker: VERX CUSIP: 92538J106 Class: Common Stock

ADVENT INTERNATIONAL, L.P.'s Holding History (CIK: 0001034196)

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

Q4 2020

Shares 414,521 Value ($000) $14,446 Avg Close $27.23 Range $22.98 - $37.68

Q3 2020

Shares 414,521 Value ($000) $9,534 Avg Close $24.34 Range $21.11 - $29.69

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2020	414,521	$14,446	$27.23	$22.98 - $37.68
Q3 2020	414,521	$9,534	$24.34	$21.11 - $29.69