<div id="readability-page-1"><div>RNS Number : 0141T Porvair PLC 13 February 2026 13 February 2026Porvair plc(&#34;Porvair&#34; or the &#34;Group&#34; or the &#34;Company&#34;)Director/PDMR ShareholdingThe Company announces that on 11 February 2026 options were granted under the Group's Long Term Share Plan 2018 (&#34;LTSP&#34;) to the Executive Directors. Options under the LTSP were granted as follows:<div><table><tbody><tr><td>Director</td><td>Position</td><td>Options awarded under the LTSP</td><td>Grant date</td><td>Vesting date</td><td>Minimum holding period</td><td>Total options held, including SAYE options</td></tr><tr><td>Hooman Caman Javvi</td><td>CEO</td><td>88,110</td><td rowspan="2">11 February 2026</td><td rowspan="2">11 February 2029</td><td rowspan="2">2 years after vesting</td><td>216,751</td></tr><tr><td>James Mills</td><td>CFO</td><td>59,680</td><td>297,931</td></tr></tbody></table></div>These options, with a 2 pence exercise price, can only be exercised in full if the Remuneration Committee is satisfied that in the financial year ending 30 November 2028 (&#34;FY2028&#34;) the Group has achieved Adjusted EPS of at least 64.3 pence, which is a 15% compound annual growth rate from the Adjusted EPS in the year ended 30 November 2025. 20% of the award will vest if the Group has achieved Adjusted EPS of 47.6 pence in FY2028. A sliding scale will operate if Adjusted EPS are between 47.6 pence and 64.3 pence. No shares vest if the Adjusted EPS in FY2028 is below 47.6 pence.After the vesting period, before the end of the two-year holding period, the option holder may exercise the option but may only sell sufficient shares to settle the option price and the income tax payable. The options may be exercised after the vesting period up until 11 February 2036. Claw-back and malus provisions apply.Following these grants, the total number of LTSP and SAYE options in issue is 871,643, representing approximately 1.8% of the shares in issue.For further information, please contact:<div><table><tbody><tr><td>Porvair plc</td><td colspan="2">Andrew Douglass, Group Company Secretary</td></tr><tr><td colspan="2">+44 (0) 1553 765 500</td><td></td></tr><tr></tr></tbody></table></div>Notes to editorsPorvair plcPorvair is a group of specialist filtration, laboratory and environmental technology businesses. Its businesses design and manufacture a range of bespoke consumable filtration products that are used in a range of niche filtration markets. It operates in three divisions: Aerospace &amp; Industrial; Laboratory; and Metal Melt Quality.The information below (set out in accordance with the requirements of the Market Abuse Regulation) provides further detail:<div><table><tbody><tr><td>1. </td><td colspan="2">Details of the person discharging managerial responsibilities / person closely associated</td></tr><tr><td>a. </td><td>Name</td><td>Hooman Caman Javvi</td></tr><tr><td>2. </td><td colspan="2">Reason for the notification</td></tr><tr><td>a. </td><td>Position/status</td><td>CEO</td></tr><tr><td>b. </td><td>Initial notification/Amendment</td><td>Initial notification</td></tr><tr><td>3. </td><td colspan="2">Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor</td></tr><tr><td>a. </td><td>Name</td><td>Porvair plc</td></tr><tr><td>b. </td><td>LEI</td><td>213800ECKHS8LAQO3C45</td></tr><tr><td>4. </td><td colspan="2">Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted</td></tr><tr><td>a. </td><td>Description of theFinancial instrument, typeof instrumentIdentification code</td><td>Options over Ordinary Shares of 2 pence under the Porvair plc Long Term Share Plan GB0006963689</td></tr><tr><td>b. </td><td>Nature of the transaction</td><td>Grant of options</td></tr><tr><td>c. </td><td>Price(s) and volume(s)</td><td><div><table><tbody><tr><td>Price(s)</td><td>Volume(s)</td></tr><tr><td>n/a</td><td>88,110</td></tr></tbody></table></div></td></tr><tr><td>d. </td><td>Aggregated information· Aggregated volume· Price</td><td>n/a - single transaction</td></tr><tr><td>e. </td><td>Date of the transaction</td><td>11 February 2026</td></tr><tr><td>f. </td><td>Place of the transaction</td><td>Outside a trading venue </td></tr></tbody></table></div><div><table><tbody><tr><td>1. </td><td colspan="2">Details of the person discharging managerial responsibilities / person closely associated</td></tr><tr><td>a. </td><td>Name</td><td>James Mills</td></tr><tr><td>2. </td><td colspan="2">Reason for the notification</td></tr><tr><td>a. </td><td>Position/status</td><td>CFO</td></tr><tr><td>b. </td><td>Initial notification/Amendment</td><td>Initial notification</td></tr><tr><td>3. </td><td colspan="2">Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor</td></tr><tr><td>a. </td><td>Name</td><td>Porvair plc</td></tr><tr><td>b. </td><td>LEI</td><td>213800ECKHS8LAQO3C45</td></tr><tr><td>4. </td><td colspan="2">Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted</td></tr><tr><td>a. </td><td>Description of theFinancial instrument, typeof instrumentIdentification code</td><td>Options over Ordinary Shares of 2 pence under the Porvair plc Long Term Share Plan GB0006963689</td></tr><tr><td>b. </td><td>Nature of the transaction</td><td>Grant of options</td></tr><tr><td>c. </td><td>Price(s) and volume(s)</td><td><div><table><tbody><tr><td>Price(s)</td><td>Volume(s)</td></tr><tr><td>n/a</td><td>59,680</td></tr></tbody></table></div></td></tr><tr><td>d. </td><td>Aggregated information· Aggregated volume· Price</td><td>n/a - single transaction</td></tr><tr><td>e. </td><td>Date of the transaction</td><td>11 February 2026</td></tr><tr><td>f. </td><td>Place of the transaction</td><td>Outside a trading venue </td></tr></tbody></table></div>This information is provided by RNS, the news service of the London Stock Exchange. 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Porvair PLC announced the grant of options under its Long Term Share Plan to Executive Directors on February 11, 2026. CEO Hooman Caman Javvi received 88,110 options, while CFO James Mills received 59,680 options. The options have a 2 pence exercise price and can be exercised if the Group achieves specific Adjusted EPS targets by FY2028. A total of 871,643 options are now in issue, representing approximately 1.8% of shares. The options may be exercised until February 11, 2036, subject to claw-back and malus provisions.

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