Introduction to IQE

(as at 15 October 2011)

Quoted:

AIM (London Stock Exchange)

Other exchanges / Platforms:

None

Issued cap:

525,052,350

Significant Shareholders:

Blackrock Investment Management	51,010,966	9.72%
AXA Framlington Investment Management	35,209,898	6.71%
T Rowe Price Inc	35,000,000	6.67%
Standard Life Investments	32,491,346	6.19%
Nelson A W Dr	27,482,913	5.23%
Barclays Stock Brokers Limited	21,109,963	4.02%
M&G Investment Management	20,369,677	3.99%
Herald Investment Management Limited	20,644,190	3.93%
Invesco Asset Management	17,171,314	3.27%
Fidelity Investments	16,992,300	3.22%

Free Float:

approx 45%

Lock-in arrangements:

There are currently no lock-in arrangements in relation to holdings in IQE shares

Own shares held in treasury:

There are currently no IQE plc shares held in treasury.

At 31 December 2010 there were 961,392 shares held in an employee benefit trust.

Analysts' Coverage:

Shareholder Data