SOLARIS OILFIELD INFRASTRUCT

Ticker: SEI CUSIP: 83418M103 Class: Common Stock

CULLEN/FROST BANKERS, INC.'s Holding History (CIK: 0000039263)

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

Q4 2025

Shares 611 Value ($000) $28 Avg Close $48.29 Range $38.42 - $57.04

Q4 2019

Shares 3,075 Value ($000) $43 Avg Close $9.23 Range $7.85 - $11.39

Q3 2019

Shares 552 Value ($000) $7 Avg Close $10.40 Range $9.58 - $11.75

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	611	$28	$48.29	$38.42 - $57.04
Q4 2019	3,075	$43	$9.23	$7.85 - $11.39
Q3 2019	552	$7	$10.40	$9.58 - $11.75