HOUGHTON MIFFLIN HARCOURT CO

CUSIP: 44157R109 Class: COM

PNC Financial Services Group, Inc.'s Holding History (CIK: 0000713676)

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

Q2 2016
Shares 635 Value ($000) $10 Avg Close — Range —
Q1 2016
Shares 4,352 Value ($000) $87 Avg Close — Range —
Q4 2015
Shares 2,256 Value ($000) $49 Avg Close — Range —
Q3 2015
Shares 1,867 Value ($000) $38 Avg Close — Range —
Q2 2015
Shares 1,800 Value ($000) $46 Avg Close — Range —
Q1 2015
Shares 442 Value ($000) $10 Avg Close — Range —
Q4 2014
Shares 2,688 Value ($000) $56 Avg Close — Range —
Q1 2014
Shares 648 Value ($000) $13 Avg Close — Range —
Q4 2013
Shares 751 Value ($000) $13 Avg Close — Range —