HEXION INC

CUSIP: 428303AJ0 Class: CORP

ADVENT CAPITAL MANAGEMENT /DE/'s Holding History (CIK: 0001097278)

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

Q1 2016
Shares 1,500,000 Value ($000) $1,035 Avg Close — Range —
Q4 2015
Shares 1,500,000 Value ($000) $1,065 Avg Close — Range —
Q3 2015
Shares 1,500,000 Value ($000) $1,208 Avg Close — Range —
Q2 2015
Shares 1,500,000 Value ($000) $1,361 Avg Close — Range —
Q4 2013
Shares 4,000,000 Value ($000) $4,155 Avg Close — Range —
Q3 2013
Shares 2,000,000 Value ($000) $2,070 Avg Close — Range —