For filings with the FCA include the annex
For filings with issuer exclude the annex

TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARESⁱ

1. Identity of the issuer or the underlying issuer of existing shares to which voting rights are attached: ⁱⁱ		INTEGRATED DIAGNOSTICS HOLDINGS 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 Bank of New York Mellon Bank, N.A. Northern Trust Co.
5. Date of the transaction and date on which the threshold is crossed or reached: ^v	08 March 2017
6. Date on which issuer notified:	10 March 2017
7. Threshold(s) that is/are crossed or reached: ^{vi, vii}	5%

8. Notified details:

A: Voting rights attached to shares ^{viii, 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

JE00BV9H9G76

7,474,850

7,570,134

5.04%

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

7,570,134

5.04%

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 Integrated Diagnostics Holding Plc., including the T. Rowe Price International Discovery Fund, which owns 5,391,836 shares. Such shares are registered in the following name(s): Bank of New York Mellon Bank, N.A. - 337,429 JP Morgan Chase - 7,172,393 Northern Trust Co. - 60,312

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:	Gary Greb, Vice President T. Rowe Price Associates, Inc.
15. Contact telephone number:	001 410 345 2527