HAL.L Regulatory News (HAL)

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 issuerof existing shares to which voting rights areattached: ii

HaloSource Inc.

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 thenotification obligation: iii

Woodford Investment Management LLP (WIM)

4. Full name of shareholder(s)  (if different from 3.):iv

Clients of WIM

5. Date of the transaction and date onwhich the threshold is crossed orreached: v

14.11.14

6. Date on which issuer notified:

14.11.14

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

5, 10, 11 ,12 ,13 ,14 ,15 ,16 ,17 ,18 ,19%

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

USU4063G1077

1,383,628

1,383,628

42,944,928

42,944,928

19.5%

B: Qualifying Financial Instruments

Resulting situation after the triggering transaction

Type of financialinstrument

Expirationdate xiii

Exercise/Conversion Period 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

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

42,944,928

19.5%

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

Woodford Investment Management LLP as Investment Manager

Proxy Voting:

10. Name of the proxy holder:

11. Number of voting rights proxy holder will ceaseto hold:

12. Date on which proxy holder will cease to holdvoting rights:

13. Additional information:

14. Contact name:

Jon Webb

15. Contact telephone number:

01865 809023

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

Annex: Notification of major interests in sharesxxii

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

Full name

(including legal form of legal entities)

Woodford Investment Management LLP

Contact address

(registered office for legal entities)

9400 Garsington Rd, OxfordOX4 2HN United Kingdom

Phone number & email

01865 809023

jon.webb@woodfordfunds.com

Other useful information

(at least legal representative for legal persons)

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 FSA website.