HOUGHTON MIFFLIN HARCOURT CO

CUSIP: 44157R109 Class: COM

MSD Partners, L.P.'s Holding History (CIK: 0001514334)

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

Q3 2014
Shares 1,007,180 Value ($000) $19,580 Avg Close — Range —
Q2 2014
Shares 1,202,180 Value ($000) $23,034 Avg Close — Range —