IQE plc : Holding(s) in Company

6 March 2014

IQE plc
("IQE" or the "Company")

Holding(s) in Company

1. Identity of the issuer or the underlying issuer of existing shares to which voting rights are attached:ii			IQE PLC
2 Reason for the notification (please tick the appropriate box or boxes):
An acquisition or disposal of voting rights				X
An acquisition or disposal of qualifying financial instruments which may result in the acquisition of shares already issued to which voting rights are attached
An acquisition or disposal of instruments with similar economic effect to qualifying financial instruments
An event changing the breakdown of voting rights
Other (please specify):
3. Full name of person(s) subject to the notification obligation:iii		T. Rowe Price Associates, Inc.
4. Full name of shareholder(s) (if different from 3.):iv		JP Morgan Chase National Australia Bank Bank of New York Mellon Bank, N.A. State Street Bank & Trust Co.
5. Date of the transaction and date on which the threshold is crossed or reached:v		26 February 2014
6. Date on which issuer notified:		28 February 2014
7. Threshold(s) that is/are crossed or reached: vi, vii		11%, 12%

8. Notified details:

A: Voting rights attached to sharesviii, ix

Class/type of shares if possible using the ISIN CODE

Situation previous to the triggering transaction

Resulting situation after the triggering transaction

Number of Shares

Number of Voting Rights

Number of shares

Number of voting rights

% of  voting rights x

Direct

Direct xi

Indirect xii

Direct

Indirect

GB0009619924

70,007,308

68,949,658

84,507,308

83,449,658

12.88%

B: Qualifying Financial Instruments

Resulting situation after the triggering transaction

Type of financial instrument

Expiration date xiii

Exercise/ Conversion Period xiv

Number of voting rights that may be acquired if the instrument is exercised/ converted.

% of voting rights

C: Financial Instruments with similar economic effect to Qualifying Financial Instruments xv, xvi

Resulting situation after the triggering transaction

Type of financial instrument

Exercise price

Expiration date xvii

Exercise/ Conversion period xviii

Number of voting rights instrument refers to

% of voting rights xix, xx

Nominal

Delta

Total (A+B+C)

Number of voting rights

Percentage of voting rights

83,449,658

12.88%

9. Chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held, if applicable: xxi
T. Rowe Price Associates, Inc. (TRPA) serves as investment adviser, with dispositive and voting authority, to various institutional clients that own shares of IQE Plc, including the T. Rowe Price International Discovery Fund, which owns 68,039,840 shares.  Such shares are registered in the following name(s): JP Morgan Chase - 74,840,799 National Australia Bank - 2,107,658 Bank of New York Mellon Bank, N.A. - 2,564,699 State Street Bank & Trust Co. - 3,935,502
Proxy Voting:
10. Name of the proxy holder:
11. Number of voting rights proxy holder will cease to hold:
12. Date on which proxy holder will cease to hold voting rights:
13. Additional information:
14. Contact name:	Ryan Nolan, Vice President & Senior Legal Counsel T. Rowe Price Associates, Inc.
15. Contact telephone number:	001 410 345 6618

Note: Annex should only be submitted to the FCA not the issuer
Annex: Notification of major interests in sharesxxii
A: Identity of the persons or legal entity subject to the notification obligation
Full name (including legal form of legal entities)	T. Rowe Price Associates, Inc.
Contact address (registered office for legal entities)	100 East Pratt Street, Baltimore, MD  21202
Phone number & email	001 410 345 6618 [e-mail]
Other useful information (at least legal representative for legal persons)

8. Notified details:

A: Voting rights attached to sharesviii, ix

Class/type of shares if possible using the ISIN CODE

Situation previous to the triggering transaction

Resulting situation after the triggering transaction

Number of Shares

Number of Voting Rights

Number of shares

Number of voting rights

% of  voting rights x

Direct xi

Indirect xii

Direct

Indirect

GB0009619924

23,206,143

23,206,143

Below Notifiable Threshold

Below Notifiable Threshold

Below Notifiable Threshold

Below Notifiable Threshold

Below Notifiable Threshold

B: Qualifying Financial Instruments

Resulting situation after the triggering transaction

Type of financial instrument

Expiration date xiii

Exercise/ Conversion Period xiv

Number of voting rights that may be acquired if the instrument is exercised/ converted.

% of voting rights

-

-

-

-

-

C: Financial Instruments with similar economic effect to Qualifying Financial Instruments xv, xvi

Resulting situation after the triggering transaction

Type of financial instrument

Exercise price

Expiration date xvii

Exercise/ Conversion period xviii

Number of voting rights instrument refers to

% of voting rights xix, xx

-

-

-

-

-

Nominal

Delta

-

-

Total (A+B+C)

Number of voting rights

Percentage of voting rights

Below Notifiable Threshold

Below Notifiable Threshold

9. Chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held, if applicable: xxi
Proxy Voting:
10. Name of the proxy holder:
11. Number of voting rights proxy holder will cease to hold:
12. Date on which proxy holder will cease to hold voting rights:
13. Additional information:
14. Contact name:	Konstantina Georgaki / Akvile Budrikaite
15. Contact telephone number:	[phone]

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This announcement is distributed by NASDAQ OMX Corporate Solutions on behalf of NASDAQ OMX Corporate Solutions clients.
The issuer of this announcement warrants that they are solely responsible for the content, accuracy and originality of the information contained therein.
Source: IQE plc via Globenewswire

HUG#1766628