ALTIMAR ACQUISITION CORP

Ticker: ATAC/U CUSIP: G03707125 Class: UNIT 99/99/9999

WATER ISLAND CAPITAL LLC's Holding History (CIK: 0001222765)

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

Q4 2020

Shares 140,004 Value ($000) $1,688 Avg Close — Range —

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2020	140,004	$1,688	—	—