Holding(s) in Company

07 October 2010 IQE plc ("IQE" or the "Company") Holding(s) in Company +------------------------------------------------------------------------------+ |TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARES(i) | +----------------------------------------------+-------------------------------+   | +----------------------------------------------+-------------------------------+ |1. Identity of the issuer or the underlying | | |issuer | IQE PLC | |of existing shares to which voting rights are | | |attached:(ii) | | +----------------------------------------------+-------------------------------+ |2 Reason for the notification (please tick the appropriate box or boxes): | +-------------------------------------------------------------------------+----+ |An acquisition or disposal of voting rights |   | +-------------------------------------------------------------------------+----+ |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):|Notification due to Placing | X | +-----------------------+--------------+----------------------------------+----+ |3. Full name of person(s) subject to | | |the | Prudential plc group of companies | |notification obligation:(iii) | | +--------------------------------------+---------------------------------------+ |4. Full name of shareholder(s) |   | | (if different from 3.):(iv) | | +--------------------------------------+---------------------------------------+ |5. Date of the transaction and date on| | |which the threshold is crossed or | 05 October 2010 | |reached:(v) | | +--------------------------------------+---------------------------------------+ |6. Date on which issuer notified: | 06 October 2010 | +--------------------------------------+---------------------------------------+ |7. Threshold(s) that is/are crossed or| Below 5% | |reached:(vi, vii) | | +-----------------------+--------------+-------+--------------------------+----+ +---------------------------------------------------------------------------------+ |8. Notified details: | +---------------------------------------------------------------------------------+ |A: Voting rights attached to shares (viii, ix) | +------------+----------------------+---------------------------------------------+ |Class/type |Situation previous |Resulting situation after the triggering | |of |to the triggering |transaction | |shares |transaction | | | +----------+-----------+-------------+---------------+---------------+ |if possible |Number |Number |Number |Number of |% of  voting | |using |of |of |of shares |voting |rights (x) | |the ISIN |Shares |Voting | |rights | | |CODE | |R ghts +-------------+------+--------+------+--------+ | | | |Direct |Direct|Indirect|Direct|Indirect| | | | | |(xi) |(xii) | | | +------------+----------+-----------+-------------+------+--------+------+--------+ |GB0009619924|   |  | Below 5% |Below |   |Below |  | | |23,450,000|23,450,000 | | 5% | | 5% | | +------------+----------+-----------+-------------+------+--------+------+--------+ |   |   |   |   |   |   |   |   | +------------+----------+-----------+-------------+------+--------+------+--------+ +---------------------------------------------------------------------------------+ |B: Qualifying Financial Instruments | +---------------------------------------------------------------------------------+ |Resulting situation after the triggering transaction | +--------------+----------+------------------------+---------------+--------------+ |Type of |Expiration|Exercise/ |Number of |% of voting | |financial |date(xiii)|Conversion Period(xiv) |voting |rights | |instrument | | |rights that may| | | | | |be | | | | | |acquired if the| | | | | |instrument is | | | | | |exercised/ | | | | | |converted. | | +--------------+----------+------------------------+---------------+--------------+ |   |   |   |   |   | +--------------+----------+------------------------+---------------+--------------+ +---------------------------------------------------------------------------------+ |C: Financial Instruments with similar economic effect to Qualifying Financial | |Instruments (xv, xvi) | +---------------------------------------------------------------------------------+ |Resulting situation after the triggering transaction | +-------------+---------+----------+-------------+----------+---------------------+ |Type of |Exercise |Expiration|Exercise/ |Number of |% of voting rights | |financial |price |date |Conversion |voting |(xix, xx) | |instrument | |(xvii) |period(xviii)|rights |  | | | | | |instrument| | | | | | |refers to | | | | | | |  | | +-------------+---------+----------+-------------+----------+-------+-------------+ | | | | |   |Nominal|Delta | |   |   |   |   |   +-------+-------------+ | | | | | |   |   | +-------------+---------+----------+-------------+----------+-------+-------------+ +---------------------------------------------------------------------------------+ |Total (A+B+C) | +------------------------------------+--------------------------------------------+ |Number of voting rights |Percentage of voting rights | +------------------------------------+--------------------------------------------+ |Below 5% |Below 5% | +------------+++--------+-+--------+++-----------+++-----+--+-----+++----+--------+ +--------------------------------------------------------------------------+ |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: | N/A | +-------------------------------------------------+------------------------+ |11. Number of voting rights proxy holder will | | |cease | N/A | |to hold: | | +-------------------------------------------------+------------------------+ |12. Date on which proxy holder will cease to hold| N/A | |voting rights: | | +-------------------------------------------------+------------------------+ +-----------------------------+--------------------------------------------+ | |  | |13. Additional information: |We no longer have a notifiable interest. | +-----------------------------+--------------------------------------------+ |14. Contact name: |Ryan Dowling / Mark Thomas | | |M&G Investment Management Limited | +-----------------------------+--------------------------------------------+ |15. Contact telephone number:|020 7548 2979 / 020 7548 3266 | +-----------------------------+-------------------+------------------------+ [HUG#1449979] This announcement is distributed by Thomson Reuters on behalf of Thomson Reuters clients. The owner of this announcement warrants that: (i) the releases contained herein are protected by copyright and other applicable laws; and (ii) they are solely responsible for the content, accuracy and originality of the information contained therein. Source: IQE plc via Thomson Reuters ONE

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