GT ADVANCED TECHNOLOGIES INC

CUSIP: 36191UAB2 Class: 3% 12/15/20

Invesco Ltd.'s Holding History (CIK: 0000914208)

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

Q3 2014

Shares 9,500,000 Value ($000) $10,765 Avg Close — Range —

Q2 2014

Shares 14,500,000 Value ($000) $25,284 Avg Close — Range —

Q1 2014

Shares 14,500,000 Value ($000) $23,445 Avg Close — Range —

Q4 2013

Shares 7,500,000 Value ($000) $7,603 Avg Close — Range —

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2014	9,500,000	$10,765	—	—
Q2 2014	14,500,000	$25,284	—	—
Q1 2014	14,500,000	$23,445	—	—
Q4 2013	7,500,000	$7,603	—	—