IQE plc: Holding(s) in Company

23 June 2020

IQE plc
(“IQE” or the “Company”)

Holding(s) in Company

1a. Identity of the issuer or the underlying issuer of existing shares to which voting rights are attached ii :			IQE PLC
1b. Please indicate if the issuer is a non-UK issuer  (please mark with an “X” if appropriate)
Non-UK issuer
2. Reason for the notification (please mark the appropriate box or boxes with an “X”)
An acquisition or disposal of voting rights						X
An acquisition or disposal of financial instruments
An event changing the breakdown of voting rights
Other (please specify)iii:
3. Details of person subject to the notification obligation iv
Name			T. Rowe Price Associates, Inc.
City and country of registered office (if applicable)			Baltimore, Maryland, USA
4. Full name of shareholder(s) (if different from 3.)v
Name			T. Rowe Price International Ltd
City and country of registered office (if applicable)			London, United Kingdom
5. Date on which the threshold was crossed or reached vi :			18 June 2020
6. Date on which issuer notified (DD/MM/YYYY):			22 June 2020
7. Total positions of person(s) subject to the notification obligation
	% of voting rights attached to shares (total of 8. A)	% of voting rights through financial instruments (total of 8.B 1 + 8.B 2)		Total of both in % (8.A + 8.B)	Total number of voting rights of issuervii
Resulting situation on the date on which threshold was crossed or reached	17.20%	0.61%		17.82%	796,455,882
Position of previous notification (if applicable)	16.85%	0.93%		17.79%

8. Notified details of the resulting situation on the date on which the threshold was crossed or reached viii
A: Voting rights attached to shares
Class/type of shares ISIN code (if possible)		Number of voting rights ix					% of voting rights
		Direct (Art 9 of Directive 2004/109/EC) (DTR5.1)		Indirect (Art 10 of Directive 2004/109/EC) (DTR5.2.1)			Direct (Art 9 of Directive 2004/109/EC) (DTR5.1)		Indirect (Art 10 of Directive 2004/109/EC) (DTR5.2.1)
GB0009619924				137,062,251					17.20%
SUBTOTAL 8. A		137,062,251					17.20%
B 1: Financial Instruments according to Art. 13(1)(a) of Directive 2004/109/EC (DTR5.3.1.1 (a))
Type of financial instrument		Expiration date x	Exercise/ Conversion Period xi			Number of voting rights that may be acquired if the instrument is exercised/converted.			% of voting rights
Shares on loan		N/A	Right of recall on demand			4,891,617			0.61%
			SUBTOTAL 8. B 1			4,891,617			0.61%
B 2: Financial Instruments with similar economic effect according to Art. 13(1)(b) of Directive 2004/109/EC (DTR5.3.1.1 (b))
Type of financial instrument	Expiration date x		Exercise/ Conversion Period xi		Physical or cash settlement xii			Number of voting rights	% of voting rights
					SUBTOTAL 8.B.2

9. Information in relation to the person subject to the notification obligation (please mark the applicable box with an “X”)
Person subject to the notification obligation is not controlled by any natural person or legal entity and does not control any other undertaking(s) holding directly or indirectly an interest in the (underlying) issuerxiii
Full chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held starting with the ultimate controlling natural person or legal entityxiv (please add additional rows as necessary)				X
Name xv	% of voting rights if it equals or is higher than the notifiable threshold	% of voting rights through financial instruments if it equals or is higher than the notifiable threshold	Total of both if it equals or is higher than the notifiable threshold
T. Rowe Price Associates, Inc.	8.17%	0.18%	8.36%
T. Rowe Price International Ltd	9.03%	0.42%	9.46%
10. In case of proxy voting, please identify:
Name of the proxy holder
The number and % of voting rights held
The date until which the voting rights will be held
11. Additional information xvi

Place of completion	Baltimore, Maryland, USA
Date of completion	22 June 2020