ATI PHYSICAL THERAPY INC

CUSIP: 00216W109 Class: Common Stock

Select Equity Group, L.P.'s Holding History (CIK: 0001592643)

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

Q3 2021
Shares 117,514 Value ($000) $446,553 Avg Close — Range —
Q2 2021
Shares 108,724 Value ($000) $1,037,227 Avg Close — Range —