CHESAPEAKE ENERGY CORP

CUSIP: 165167107 Class: COM

MARTINGALE ASSET MANAGEMENT L P's Holding History (CIK: 0000936944)

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

Q1 2015
Shares 247,911 Value ($000) $3,511 Avg Close — Range —
Q4 2014
Shares 201,729 Value ($000) $3,948 Avg Close — Range —