CHESAPEAKE ENERGY CORP

CUSIP: 165167107 Class: COM

Robeco Institutional Asset Management B.V.'s Holding History (CIK: 0001418773)

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

Q1 2015
Shares 15,928 Value ($000) $226 Avg Close — Range —
Q4 2014
Shares 15,928 Value ($000) $312 Avg Close — Range —
Q3 2014
Shares 15,608 Value ($000) $359 Avg Close — Range —
Q2 2014
Shares 15,608 Value ($000) $486 Avg Close — Range —
Q1 2014
Shares 62,054 Value ($000) $1,590 Avg Close — Range —
Q4 2013
Shares 53,333 Value ($000) $1,447 Avg Close — Range —
Q3 2013
Shares 50,966 Value ($000) $1,319 Avg Close — Range —
Q2 2013
Shares 65,723 Value ($000) $1,339 Avg Close — Range —