NORTHWEST BIOTHERAPEUTICS IN

Ticker: NWBO CUSIP: 66737P600 Class: COM

AMERICAN CENTURY COMPANIES INC's Holding History (CIK: 0000748054)

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

Q1 2015

Shares 19,087 Value ($000) $141 Avg Close $6.73 Range $5.25 - $8.76

Q4 2014

Shares 228,901 Value ($000) $1,225 Avg Close $5.12 Range $3.79 - $6.15

Q3 2014

Shares 141,973 Value ($000) $714 Avg Close $6.14 Range $4.98 - $7.52

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2015	19,087	$141	$6.73	$5.25 - $8.76
Q4 2014	228,901	$1,225	$5.12	$3.79 - $6.15
Q3 2014	141,973	$714	$6.14	$4.98 - $7.52