Block listing Interim Review

Name of applicant:

Porvair plc

Name of scheme:

Porvair Long Term Share Plan 2008

Period of return:

From:

22 June 2017

To:

31 January 2018

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

351,330

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):

(178,030)

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

173,300

Name of applicant:

Porvair plc

Name of scheme:

Porvair plc SAYE Share Option Plan 2014

Period of return:

From:

22 June 2017

To:

31 January 2018

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

249,201

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):

(119,640)

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

129,561

Name of contact:

Chris Tyler (Group Finance Director)

Telephone number of contact:

01553 765 500