WHITING PETROLEUM CORP

CUSIP: 966387AK8 Class: CONVERT

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

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

Q1 2016

Shares 24,000,000 Value ($000) $14,320 Avg Close — Range —

Q4 2015

Shares 13,845,000 Value ($000) $9,495 Avg Close — Range —

Q3 2015

Shares 78,642,000 Value ($000) $64,322 Avg Close — Range —

Q2 2015

Shares 81,986,000 Value ($000) $90,147 Avg Close — Range —

Q1 2015

Shares 87,200,000 Value ($000) $92,066 Avg Close — Range —

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2016	24,000,000	$14,320	—	—
Q4 2015	13,845,000	$9,495	—	—
Q3 2015	78,642,000	$64,322	—	—
Q2 2015	81,986,000	$90,147	—	—
Q1 2015	87,200,000	$92,066	—	—