HOUGHTON MIFFLIN HARCOURT CO

CUSIP: 44157R109 Class: COM

PRIVATE TRUST CO NA's Holding History (CIK: 0001277557)

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

Q3 2014
Shares 49 Value ($000) $1 Avg Close — Range —
Q2 2014
Shares 49 Value ($000) $1 Avg Close — Range —
Q1 2014
Shares 49 Value ($000) $1 Avg Close — Range —
Q4 2013
Shares 49 Value ($000) $1 Avg Close — Range —