Block Listing Six Monthly Return

Name of applicant:

Plexus Holdings Plc

Name of scheme:

Plexus Holdings Plc 2005 Share Option Scheme

Period of return:

From:

20/02/17

To:

19/08/17

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

1,980,157

Plus: The amount by which the block scheme(s) has been increased since the date of the last return (if any increase has been applied for):

0

Less: Number of securities issued/allotted under scheme(s) during period (see LR3.5.7G):

0

Equals: Balance under scheme(s) not yet issued/allotted at end of period:

1,980,157

Name of contact:

Graham Stevens

Telephone number of contact:

020 7795 6890