KEY ENERGY SVCS INC

CUSIP: 492914106 Class: CMN

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

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

Q1 2014
Shares 2,319,839 Value ($000) $21,436 Avg Close — Range —
Q4 2013
Shares 2,362,907 Value ($000) $18,667 Avg Close — Range —
Q3 2013
Shares 2,429,017 Value ($000) $17,708 Avg Close — Range —
Q2 2013
Shares 2,497,147 Value ($000) $14,858 Avg Close — Range —