PUMA BIOTECHNOLOGY INC

Ticker: PBYI CUSIP: 74587V107 Class: Common Stock

MASSACHUSETTS FINANCIAL SERVICES CO /MA/'s Holding History (CIK: 0000912938)

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

Q2 2015

Shares 29,712 Value ($000) $3,468,876 Avg Close $181.09 Range $112.32 - $244.90

Q1 2015

Shares 425,579 Value ($000) $100,483,458 Avg Close $213.77 Range $183.50 - $252.92

Q4 2014

Shares 413,856 Value ($000) $78,330,525 Avg Close $221.87 Range $181.60 - $255.43

Q3 2014

Shares 377,959 Value ($000) $90,170 Avg Close $205.34 Range $57.25 - $279.37

Q2 2014

Shares 335,665 Value ($000) $22,155 Avg Close $71.11 Range $53.63 - $118.22

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2015	29,712	$3,468,876	$181.09	$112.32 - $244.90
Q1 2015	425,579	$100,483,458	$213.77	$183.50 - $252.92
Q4 2014	413,856	$78,330,525	$221.87	$181.60 - $255.43
Q3 2014	377,959	$90,170	$205.34	$57.25 - $279.37
Q2 2014	335,665	$22,155	$71.11	$53.63 - $118.22