Holding(s) in Company

For filings with the FCA include the annex

For filings with issuer exclude the annex

TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARES

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

Global Frontier Investments, LLC (as General Partner for, and Investment Advisor to, Global Frontier Partners, LP)

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

Global Frontier Partners, LP

W. Grant Dollens

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

25 November 2019

6. Date on which issuer notified:

25 November 2019

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

4.0%

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

JE00B6Y3DV84

1,797,287

1,797,287

2,161,739

2,161,739

4.5%

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

2,161,739

4.5%

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:

Global Frontier Investments, LLC

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

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

13. Additional information:

Global Frontier Investments, LLC acts as the General Partner for and Investment Advisor to Global Frontier Partners, LP

Global Frontier Partners, LP beneficially holds 1,635,355 shares in WANdisco PLC, representing 3.4% of the total, and W. Grant Dollens, Managing Partner of Global Frontier Investments, LLC, beneficially holds 526,384 shares in WANdisco PLC, representing 1.1% of the total.

14. Contact name:

Grant Dollens

15. Contact telephone number:

+1 (415) 402-0285