CHESAPEAKE ENERGY CORP

CUSIP: 165167BZ9 Class: CORPORATE OBLIG

WELLINGTON MANAGEMENT GROUP LLP's Holding History (CIK: 0000902219)

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

Q3 2013
Shares 8,462,000 Value ($000) $8,314 Avg Close — Range —
Q2 2013
Shares 19,376,000 Value ($000) $18,249 Avg Close — Range —