DZS INC

Ticker: DZSIQ CUSIP: 268211109 Class: Common Stock

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

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

Q4 2023

Shares 71,332 Value ($000) $141 Avg Close — Range —

Q3 2023

Shares 161,054 Value ($000) $338 Avg Close — Range —

Q2 2023

Shares 250,757 Value ($000) $996 Avg Close — Range —

Q1 2023

Shares 13,977 Value ($000) $110 Avg Close — Range —

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2023	71,332	$141	—	—
Q3 2023	161,054	$338	—	—
Q2 2023	250,757	$996	—	—
Q1 2023	13,977	$110	—	—