ISOS ACQUISITION CORPORATION

Ticker: ISOS/U CUSIP: G4962C120 Class: UNIT 99/99/9999

ALLIANCEBERNSTEIN L.P.'s Holding History (CIK: 0001109448)

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

Q1 2021

Shares 30,928 Value ($000) $308 Avg Close — Range —

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2021	30,928	$308	—	—