HOUGHTON MIFFLIN HARCOURT CO

CUSIP: 44157R109 Class: COM

Granite Investment Partners, LLC's Holding History (CIK: 0001542266)

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

Q3 2017
Shares 957,400 Value ($000) $11,537 Avg Close — Range —
Q2 2017
Shares 898,270 Value ($000) $11,048 Avg Close — Range —