Spectra (di/ S) Regulatory News (SPSC)

1. Identity of the issuer or the underlying issuer of existing shares to which voting rights are attached: ii

Spectra Systems Corporation

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

Mercantile Investment Company Ltd

4. Full name of shareholder(s)

(if different from 3.): iv

WH Ireland Ltd Clients Settlement Account (6,700,000)

Macquarie (100,000)

5. Date of the transaction and date on which the threshold is crossed or reached: v

5 July 2017

6. Date on which issuer notified:

7 July 2017

7. Threshold(s) that is/are crossed or

reached: vi, vii

14.9%

8. Notified details:

A: Voting rights attached to shares viii, ix

Class/type ofshares

if possible usingthe ISIN CODE

Situation previousto the triggeringtransaction

Resulting situation after the triggering transaction

NumberofShares

NumberofVotingRights

Numberof shares

Number of votingrights

% of voting rights x

Direct

Direct xi

Indirect xii

Direct

Indirect

GB00B0C5RG72

6,800,000

14.9%

B: Qualifying Financial Instruments

Resulting situation after the triggering transaction

Type of financialinstrument

Expirationdate xiii

Exercise/ConversionPeriod xiv

Number of votingrights that may beacquired if theinstrument isexercised/ converted.

% of votingrights

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

Resulting situation after the triggering transaction

Type of financialinstrument

Exerciseprice

Expirationdate xvii

Exercise/Conversionperiod xviii

Number of votingrights instrumentrefers to

% of voting rights xix, xx

Nominal

Delta

Total (A+B+C)

Number of voting rights

Percentage of voting rights

 6,800,000

14.9%

9. Chain of controlled undertakings through which the voting rights and/or thefinancial 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:

Chris Fielding

Head of Corporate Finance

WH Ireland Limited

15. Contact telephone number:

 +44 (0) 20 7220 1650

Note: Annex should only be submitted to the FCA not the issuer

Annex: Notification of major interests in share

A: Identity of the persons or legal entity subject to the notification obligation

Full name

(including legal form of legal entities)

Mercantile Investment Company Ltd

Contact address

(registered office for legal entities)

Level 5, 139 Macquarie Street

Sydney NSW 2000

Australia

Phone number & email

+61 2 8014 1188

Other useful information

(at least legal representative for legal persons)

Contact; Gabriel Radzyminski

B: Identity of the notifier, if applicable

Full name

Contact address

Phone number & email

Other useful information

(e.g. functional relationship with the person or legal entity subject to the notification obligation)

C: Additional information

For notes on how to complete form TR-1 please see the FCA website.