ECOVYST INC

Ticker: ECVT CUSIP: 27923Q109 Class: EQTY

BlackRock, Inc.'s Holding History (CIK: 0002012383)

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

Q4 2025

Shares 10,447,946 Value ($000) $101,659 Avg Close $8.73 Range $7.41 - $10.01

Q3 2025

Shares 10,268,736 Value ($000) $89,954 Avg Close $8.81 Range $7.38 - $9.69

Q2 2025

Shares 10,165,666 Value ($000) $83,663 Avg Close $7.02 Range $5.24 - $8.64

Q1 2025

Shares 10,421,994 Value ($000) $64,616 Avg Close $7.40 Range $6.08 - $8.53

Q4 2024

Shares 10,971,229 Value ($000) $83,820 Avg Close $7.39 Range $6.08 - $8.67

Q3 2024

Shares 10,778,676 Value ($000) $73,834 Avg Close $7.62 Range $6.02 - $9.91

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	10,447,946	$101,659	$8.73	$7.41 - $10.01
Q3 2025	10,268,736	$89,954	$8.81	$7.38 - $9.69
Q2 2025	10,165,666	$83,663	$7.02	$5.24 - $8.64
Q1 2025	10,421,994	$64,616	$7.40	$6.08 - $8.53
Q4 2024	10,971,229	$83,820	$7.39	$6.08 - $8.67
Q3 2024	10,778,676	$73,834	$7.62	$6.02 - $9.91