Block Listing Return

Name of issuer:

WANdisco plc

Name of scheme(s):

i. WANdisco plc UK Enterprise Management Incentive Plan 2012

ii. WANdisco plc UK Unapproved Sub-Plan 2012

iii. WANdisco plc US Sub-Plan 2012

iv. WANdisco plc Long Term Incentive Plan 2013

v. WANdisco plc US Equity Incentive Plan 2013

vi. WANdisco plc UK EMI Sub-plan 2013

Period of return:

From: 30 June 2016 To: 31 May 2017

Balance of unallotted securities under scheme(s) from previous return:

Ordinary shares of 10p each as follows:

i. 479,434

ii. 344,760

iii. 535,765

iv. 2,619,361

v. 200,000

vi. 500,000

Plus: The amount by which the block scheme(s) has been increased since the last return:

i. 89,296

ii. 9,890

iii. 468,610

iv. 0

v. 982,204

vi. 200,000

Less: Number of securities issued under the scheme(s) during the period:

i. 148,929

ii. 0

iii. 29,970

iv. 552,720

v. 27,623

vi. 23,333

Equals: Balance under the scheme(s) of securities not yet issued at the end of the period:

i. 419,801

ii. 354,650

iii. 974,405

iv. 2,066,641

v. 1,154,581

vi. 676,667

Contact name and telephone:

Erik E. Miller 001-925-365-0332