SCHWEITZER-MAUDUIT INTL INC

Ticker: MATV CUSIP: 808541106 Class: Common Stock

Cornerstone Management, Inc.'s Holding History (CIK: 0001587867)

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

Q1 2023

Shares 1,075 Value ($000) $23 Avg Close $21.76 Range $17.99 - $25.49

Q4 2022

Shares 900 Value ($000) $19 Avg Close $18.83 Range $15.76 - $21.05

Q3 2022

Shares 900 Value ($000) $20 Avg Close $19.57 Range $16.18 - $22.55

Q2 2022

Shares 900 Value ($000) $23 Avg Close $22.23 Range $19.61 - $24.42

Q1 2022

Shares 900 Value ($000) $25 Avg Close $24.86 Range $22.82 - $26.34

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2023	1,075	$23	$21.76	$17.99 - $25.49
Q4 2022	900	$19	$18.83	$15.76 - $21.05
Q3 2022	900	$20	$19.57	$16.18 - $22.55
Q2 2022	900	$23	$22.23	$19.61 - $24.42
Q1 2022	900	$25	$24.86	$22.82 - $26.34