Block Listing Return

Name of applicant:

Porvair plc

Name of scheme:

Porvair plc SAYE Share Option Plan 2014

Period of return:

From:

1 April 2025

To:

30 September 2025

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

222,777

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):

-

Less:  Number of securities issued/allotted under scheme(s) during period (see UKLR 20.6.7G):

2,855

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

219,922

Name of contact:

Andrew Douglass

(Group Company Secretary)

Telephone number of contact:

+44 (0)1553 765 500