LYDALL INC DEL

CUSIP: 550819106 Class: COMMON STOCK

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC's Holding History (CIK: 0001644956)

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

Q1 2018
Shares 279,751 Value ($000) $13,498 Avg Close — Range —
Q4 2017
Shares 322,194 Value ($000) $16,351 Avg Close — Range —
Q3 2017
Shares 325,774 Value ($000) $18,667 Avg Close — Range —
Q2 2017
Shares 274,088 Value ($000) $14,170 Avg Close — Range —
Q1 2017
Shares 275,798 Value ($000) $14,783 Avg Close — Range —
Q4 2016
Shares 295,764 Value ($000) $18,293 Avg Close — Range —
Q3 2016
Shares 325,599 Value ($000) $16,648 Avg Close — Range —
Q2 2016
Shares 337,743 Value ($000) $13,023 Avg Close — Range —
Q1 2016
Shares 344,881 Value ($000) $11,216 Avg Close — Range —
Q4 2015
Shares 348,919 Value ($000) $12,380 Avg Close — Range —
Q3 2015
Shares 364,403 Value ($000) $10,382 Avg Close — Range —