Holding(s) in Company

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

WANdisco 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 thenotification obligation: iii

Blueport Capital GP, LLC, Keystone Advisors, L.P. and Keystone Advisors Genpar, LLC

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

Blueport Capital, L.P.

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

30 November 2016

6. Date on which issuer notified:

2 December 2016

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

3%

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

Ordinary Shares (ticker WAND, ISIN JE00B6Y3DV84) and

1,061,300

1,061,300

1,198,052

1,198,052

3.24%

Ordinary Shares (ticker WAN2, ISIN JE00BYPG6G89)

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

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

Blueport Capital, L.P., the shareholder, is controlled by its general partner Blueport Capital GP, LLC.

Blueport Capital GP, LLC has delegated all of its portfolio management responsibilities to Keystone Advisors, L.P.

Keystone Advisors, L.P. is controlled by its general partner Keystone Advisors Genpar, LLC.

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:

Jay H. Hebert

15. Contact telephone number:

(+1) 817 390 8508