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

Gooch & Housego plc

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):

3. Full name of person(s) subject to the notification obligation: iii

Schroders plc

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 reached: v

23.06.15

6. Date on which issuer notified:

24.06.15

7. Threshold(s) that is/are crossed or reached: vi, vii

From 11% - 10%

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

Class/type of

shares

if possible using the ISIN CODE

Number

of

Shares

Number

of Voting Rights

Number

of shares

Number of voting

rights

% of voting rights x

Class/type of

shares

if possible using the ISIN CODE

Number

of

Shares

Number

of Voting Rights

Direct

Direct

xi

Indirect xii

Direct

Indirect

Ordinary

GB0002259116

2,832,145

2,453,159

2,567,976

N/A

2,291,777

N/A

9.524%

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

CFD

N/A

N/A

N/A

276,199

Nominal

Delta

CFD

N/A

N/A

N/A

276,199

1.148%

1

Total (A+B+C)

Number of voting rights

Percentage of voting rights

2,567,976

10.672%


9. Chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held, if applicable: xxi

Schroder & Co. Limited

2,376

0.010%

Schroder Investment Management Limited

2,565,600

10.662%

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:

The shares referred to in section 9 are held in

portfolios managed by those firms on a discretionary basis for clients under investment management agreements. This disclosure has been calculated based on issue share capital amount 24,062,036.

14. Contact name:

Chloe Talbot

15. Contact telephone number:

020 7658 6000

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