<p>RNS 編號：0663I Diploma PLC2025 年 11 月 19 日</p>
<p>10-11 CHARTERHOUSE SQUARE,</p>
<p>倫敦 EC1M 6EE</p>
<p>電話：+44 (0) 20 7549 5700</p>
<p>2025 年 11 月 19 日</p>
<p>管理責任人（PDMRs）交易通知</p>
<p>Diploma PLC（“公司”）已被通知，Johnny Thomson 和 Wilson Ng 分別於 2023 年 1 月 18 日和 2022 年 11 月 28 日行使了在公司授予的股票獎勵，依據 Diploma PLC 2020 年績效股票計劃（“PSP”）。淨股份需持有至 PSP 獎勵授予日期的第五個週年。</p>
<p>這些獎勵在滿足截至 2025 年 9 月 30 日的三年期間的績效條件後生效。有關這些獎勵的績效條件的更多細節將在即將發佈的 2025 財年年報和財務報表中列出。</p>
<p>交易通知表見下文。本公告是根據英國市場濫用法規發佈的。</p>
<table>
<thead>
<tr>
<th></th>
<th></th>
<th></th>
</tr>
</thead>
<tbody>
<tr>
<td>1</td>
<td>董事/PDMR/PCA 的詳細信息</td>
<td></td>
</tr>
<tr>
<td>a)</td>
<td>姓名</td>
<td>1. Johnny Thomson<br/>2. Wilson Ng</td>
</tr>
<tr>
<td>2</td>
<td>通知原因</td>
<td></td>
</tr>
<tr>
<td>a)</td>
<td>職位/狀態</td>
<td>1. 首席執行官<br/>2. 代理首席財務官</td>
</tr>
<tr>
<td>b)</td>
<td>初始通知/<br/>修訂</td>
<td>初始通知</td>
</tr>
<tr>
<td>3</td>
<td>發行人的詳細信息</td>
<td></td>
</tr>
<tr>
<td>a)</td>
<td>名稱</td>
<td>Diploma PLC</td>
</tr>
<tr>
<td>b)</td>
<td>LEI</td>
<td>2138008OGI7VYG8FGR19</td>
</tr>
<tr>
<td>4</td>
<td>交易的詳細信息：</td>
<td></td>
</tr>
<tr>
<td>a)</td>
<td>金融工具的描述，工具類型<br/>識別代碼</td>
<td>公司普通股，每股 5 便士<br/>GB0001826634</td>
</tr>
<tr>
<td>b)</td>
<td>交易性質</td>
<td>根據 Diploma 績效股票計劃行使獎勵</td>
</tr>
<tr>
<td>c)</td>
<td>價格和數量</td>
<td></td>
</tr>
<tr>
<td>---</td>
<td>---</td>
<td>---</td>
</tr>
<tr>
<td></td>
<td>價格</td>
<td>數量</td>
</tr>
<tr>
<td>1.</td>
<td>無成本</td>
<td>79,424</td>
</tr>
<tr>
<td>2.</td>
<td>無成本</td>
<td>9,433</td>
</tr>
<tr>
<td>d)</td>
<td>匯總信息<br/>- 匯總數量<br/>- 價格</td>
<td></td>
</tr>
<tr>
<td>---</td>
<td>---</td>
<td>---</td>
</tr>
<tr>
<td></td>
<td>價格</td>
<td>數量</td>
</tr>
<tr>
<td>1.</td>
<td>無成本</td>
<td>79,424</td>
</tr>
<tr>
<td>2.</td>
<td>無成本</td>
<td>9,433</td>
</tr>
<tr>
<td>e)</td>
<td>交易日期</td>
<td>2025 年 11 月 18 日</td>
</tr>
<tr>
<td>f)</td>
<td>交易地點</td>
<td>在交易場所外</td>
</tr>
</tbody>
</table>
<table>
<thead>
<tr>
<th></th>
<th></th>
<th></th>
</tr>
</thead>
<tbody>
<tr>
<td>1</td>
<td>董事/PDMR/PCA 的詳細信息</td>
<td></td>
</tr>
<tr>
<td>a)</td>
<td>姓名</td>
<td>1. Johnny Thomson<br/>2. Wilson Ng</td>
</tr>
<tr>
<td>2</td>
<td>通知原因</td>
<td></td>
</tr>
<tr>
<td>a)</td>
<td>職位/狀態</td>
<td>1. 首席執行官<br/>2. 代理首席財務官</td>
</tr>
<tr>
<td>b)</td>
<td>初始通知<br/>/修訂</td>
<td>初始通知</td>
</tr>
<tr>
<td>3</td>
<td>發行人的詳細信息</td>
<td></td>
</tr>
<tr>
<td>a)</td>
<td>名稱</td>
<td>Diploma PLC</td>
</tr>
<tr>
<td>b)</td>
<td>LEI</td>
<td>2138008OGI7VYG8FGR19</td>
</tr>
<tr>
<td>4</td>
<td>交易的詳細信息</td>
<td></td>
</tr>
<tr>
<td>a)</td>
<td>金融工具的描述，工具類型<br/>識別代碼</td>
<td>公司普通股，每股 5 便士<br/>GB0001826634</td>
</tr>
<tr>
<td>b)</td>
<td>交易性質</td>
<td>出售股份以支付税款和國民保險</td>
</tr>
<tr>
<td>c)</td>
<td>價格和數量</td>
<td></td>
</tr>
<tr>
<td>---</td>
<td>---</td>
<td>---</td>
</tr>
<tr>
<td></td>
<td>價格</td>
<td>數量</td>
</tr>
<tr>
<td>1.</td>
<td>£52.59</td>
<td>37,407</td>
</tr>
<tr>
<td>2.</td>
<td>£52.59</td>
<td>4,446</td>
</tr>
<tr>
<td>d)</td>
<td>匯總信息<br/>- 匯總數量<br/>- 價格</td>
<td></td>
</tr>
<tr>
<td>---</td>
<td>---</td>
<td>---</td>
</tr>
<tr>
<td></td>
<td>價格</td>
<td>數量</td>
</tr>
<tr>
<td>1.</td>
<td>£52.59</td>
<td>37,407</td>
</tr>
<tr>
<td>2.</td>
<td>£52.59</td>
<td>4,446</td>
</tr>
<tr>
<td>e)</td>
<td>交易日期</td>
<td>2025 年 11 月 18 日</td>
</tr>
<tr>
<td>f)</td>
<td>交易地點</td>
<td>在交易場所外</td>
</tr>
</tbody>
</table>
<p>如需更多信息，請聯繫：</p>
<table>
<thead>
<tr>
<th></th>
<th></th>
</tr>
</thead>
<tbody>
<tr>
<td>Diploma PLC</td>
<td>電話：+44 (0) 20 7549 5700</td>
</tr>
<tr>
<td>Anna Lawrence, 集團公司秘書</td>
<td></td>
</tr>
</tbody>
</table>
<p>LEI：2138008OGI7VYG8FGR19</p>
<p>此信息由 RNS 提供，倫敦證券交易所的新聞服務。RNS 獲得金融行為監管局的批准，作為英國的主要信息提供者。有關使用和分發此信息的條款和條件可能適用。如需更多信息，請聯繫 rns@lseg.com 或訪問 www.rns.com。</p>
<p>RNS 可能會使用您的 IP 地址以確認遵守條款和條件，分析您與本通信中包含的信息的互動，並將此分析以匿名方式與他人分享，作為我們商業服務的一部分。如需瞭解 RNS 和倫敦證券交易所如何使用您提供的個人數據，請參見我們的隱私政策。結束 DSHGZMMMRRDGKZM</p>

DPLM

<p>Diploma PLC 宣佈首席執行官 Johnny Thomson 和代理首席財務官 Wilson Ng 根據 2020 年績效股票計劃行使了他們的股票獎勵。這些股票於 2023 年和 2022 年授予，在滿足三年的績效條件後歸屬。他們出售了股票以支付税款和國民保險。交易發生在 2025 年 11 月 18 日，地點為交易場外，價格為每股 52.59 英鎊。此公告符合英國市場濫用法規</p>

<p>RNS Number : 0663I Diploma PLC 19 November 2025</p>
<div class="lb-trans"><p>RNS 編號：0663I Diploma PLC2025 年 11 月 19 日</p>
</div><p>10-11 CHARTERHOUSE SQUARE,</p>
<div class="lb-trans"><p>10-11 CHARTERHOUSE SQUARE,</p>
</div><p>LONDON EC1M 6EE</p>
<div class="lb-trans"><p>倫敦 EC1M 6EE</p>
</div><p>TELEPHONE: +44 (0) 20 7549 5700</p>
<div class="lb-trans"><p>電話：+44 (0) 20 7549 5700</p>
</div><p>19 November 2025</p>
<div class="lb-trans"><p>2025 年 11 月 19 日</p>
</div><p>Notification of transactions by persons discharging managerial responsibilities (PDMRs)</p>
<div class="lb-trans"><p>管理責任人（PDMRs）交易通知</p>
</div><p>Diploma PLC (the &#34;Company&#34;) has been notified that Johnny Thomson and Wilson Ng have exercised their share awards in the Company granted on 18 January 2023 and 28 November 2022 respectively, under the Diploma PLC 2020 Performance Share Plan (&#34;PSP&#34;). The net shares are required to be held until the fifth anniversary of the date of grant of the PSP awards.</p>
<div class="lb-trans"><p>Diploma PLC（“公司”）已被通知，Johnny Thomson 和 Wilson Ng 分別於 2023 年 1 月 18 日和 2022 年 11 月 28 日行使了在公司授予的股票獎勵，依據 Diploma PLC 2020 年績效股票計劃（“PSP”）。淨股份需持有至 PSP 獎勵授予日期的第五個週年。</p>
</div><p>These awards vested after meeting performance conditions measured over a three-year period ended 30 September 2025. Further details relating to the performance conditions of these awards are set out in the Annual Report and Accounts FY25, which will be published in due course.</p>
<div class="lb-trans"><p>這些獎勵在滿足截至 2025 年 9 月 30 日的三年期間的績效條件後生效。有關這些獎勵的績效條件的更多細節將在即將發佈的 2025 財年年報和財務報表中列出。</p>
</div><p>The Notification of Dealing Form can be found below. This announcement is made in accordance with the UK Market Abuse Regulation.</p>
<div class="lb-trans"><p>交易通知表見下文。本公告是根據英國市場濫用法規發佈的。</p>
</div><table>
<thead>
<tr>
<th></th>
<th></th>
<th></th>
</tr>
</thead>
<tbody>
<tr>
<td>1</td>
<td>Details of the Director/PDMR/PCA</td>
<td></td>
</tr>
<tr>
<td>a)</td>
<td>Name</td>
<td>1. Johnny Thomson<br/>2. Wilson Ng</td>
</tr>
<tr>
<td>2</td>
<td>Reason for the notification</td>
<td></td>
</tr>
<tr>
<td>a)</td>
<td>Position/Status</td>
<td>1. Chief Executive Officer<br/>2. Acting Chief Financial Officer</td>
</tr>
<tr>
<td>b)</td>
<td>Initial notification/<br/>Amendment</td>
<td>Initial notification</td>
</tr>
<tr>
<td>3</td>
<td>Details of the issuer</td>
<td></td>
</tr>
<tr>
<td>a)</td>
<td>Name</td>
<td>Diploma PLC</td>
</tr>
<tr>
<td>b)</td>
<td>LEI</td>
<td>2138008OGI7VYG8FGR19</td>
</tr>
<tr>
<td>4</td>
<td>Details of the transactions:</td>
<td></td>
</tr>
<tr>
<td>a)</td>
<td>Description of the financial instrument, type of instrument<br/>Identification code</td>
<td>Ordinary shares of 5p each in the Company<br/>GB0001826634</td>
</tr>
<tr>
<td>b)</td>
<td>Nature of the transaction</td>
<td>Exercise of awards made under the Diploma Performance Share Plan</td>
</tr>
<tr>
<td>c)</td>
<td>Price(s) and volume(s)</td>
<td></td>
</tr>
<tr>
<td>---</td>
<td>---</td>
<td>---</td>
</tr>
<tr>
<td></td>
<td>Price</td>
<td>Volume</td>
</tr>
<tr>
<td>1.</td>
<td>Nil cost</td>
<td>79,424</td>
</tr>
<tr>
<td>2.</td>
<td>Nil cost</td>
<td>9,433</td>
</tr>
<tr>
<td>d)</td>
<td>Aggregated information<br/>- Aggregated volume<br/>- Price</td>
<td></td>
</tr>
<tr>
<td>---</td>
<td>---</td>
<td>---</td>
</tr>
<tr>
<td></td>
<td>Price</td>
<td>Volume</td>
</tr>
<tr>
<td>1.</td>
<td>Nil cost</td>
<td>79,424</td>
</tr>
<tr>
<td>2.</td>
<td>Nil cost</td>
<td>9,433</td>
</tr>
<tr>
<td>e)</td>
<td>Date of the transaction</td>
<td>18 November 2025</td>
</tr>
<tr>
<td>f)</td>
<td>Place of the transaction</td>
<td>Outside a trading venue</td>
</tr>
</tbody>
</table>
<div class="lb-trans"><table>
<thead>
<tr>
<th></th>
<th></th>
<th></th>
</tr>
</thead>
<tbody>
<tr>
<td>1</td>
<td>董事/PDMR/PCA 的詳細信息</td>
<td></td>
</tr>
<tr>
<td>a)</td>
<td>姓名</td>
<td>1. Johnny Thomson<br/>2. Wilson Ng</td>
</tr>
<tr>
<td>2</td>
<td>通知原因</td>
<td></td>
</tr>
<tr>
<td>a)</td>
<td>職位/狀態</td>
<td>1. 首席執行官<br/>2. 代理首席財務官</td>
</tr>
<tr>
<td>b)</td>
<td>初始通知/<br/>修訂</td>
<td>初始通知</td>
</tr>
<tr>
<td>3</td>
<td>發行人的詳細信息</td>
<td></td>
</tr>
<tr>
<td>a)</td>
<td>名稱</td>
<td>Diploma PLC</td>
</tr>
<tr>
<td>b)</td>
<td>LEI</td>
<td>2138008OGI7VYG8FGR19</td>
</tr>
<tr>
<td>4</td>
<td>交易的詳細信息：</td>
<td></td>
</tr>
<tr>
<td>a)</td>
<td>金融工具的描述，工具類型<br/>識別代碼</td>
<td>公司普通股，每股 5 便士<br/>GB0001826634</td>
</tr>
<tr>
<td>b)</td>
<td>交易性質</td>
<td>根據 Diploma 績效股票計劃行使獎勵</td>
</tr>
<tr>
<td>c)</td>
<td>價格和數量</td>
<td></td>
</tr>
<tr>
<td>---</td>
<td>---</td>
<td>---</td>
</tr>
<tr>
<td></td>
<td>價格</td>
<td>數量</td>
</tr>
<tr>
<td>1.</td>
<td>無成本</td>
<td>79,424</td>
</tr>
<tr>
<td>2.</td>
<td>無成本</td>
<td>9,433</td>
</tr>
<tr>
<td>d)</td>
<td>匯總信息<br/>- 匯總數量<br/>- 價格</td>
<td></td>
</tr>
<tr>
<td>---</td>
<td>---</td>
<td>---</td>
</tr>
<tr>
<td></td>
<td>價格</td>
<td>數量</td>
</tr>
<tr>
<td>1.</td>
<td>無成本</td>
<td>79,424</td>
</tr>
<tr>
<td>2.</td>
<td>無成本</td>
<td>9,433</td>
</tr>
<tr>
<td>e)</td>
<td>交易日期</td>
<td>2025 年 11 月 18 日</td>
</tr>
<tr>
<td>f)</td>
<td>交易地點</td>
<td>在交易場所外</td>
</tr>
</tbody>
</table>
</div><table>
<thead>
<tr>
<th></th>
<th></th>
<th></th>
</tr>
</thead>
<tbody>
<tr>
<td>1</td>
<td>Details of the Director/PDMR/PCA</td>
<td></td>
</tr>
<tr>
<td>a)</td>
<td>Name</td>
<td>1. Johnny Thomson<br/>2. Wilson Ng</td>
</tr>
<tr>
<td>2</td>
<td>Reason for the notification</td>
<td></td>
</tr>
<tr>
<td>a)</td>
<td>Position/Status</td>
<td>1. Chief Executive Officer<br/>2. Acting Chief Financial Officer</td>
</tr>
<tr>
<td>b)</td>
<td>Initial notification<br/>/Amendment</td>
<td>Initial notification</td>
</tr>
<tr>
<td>3</td>
<td>Details of the issuer</td>
<td></td>
</tr>
<tr>
<td>a)</td>
<td>Name</td>
<td>Diploma PLC</td>
</tr>
<tr>
<td>b)</td>
<td>LEI</td>
<td>2138008OGI7VYG8FGR19</td>
</tr>
<tr>
<td>4</td>
<td>Details of the transactions</td>
<td></td>
</tr>
<tr>
<td>a)</td>
<td>Description of the financial instrument, type of instrument<br/>Identification code</td>
<td>Ordinary shares of 5p each in the Company<br/>GB0001826634</td>
</tr>
<tr>
<td>b)</td>
<td>Nature of the transaction</td>
<td>Sale of Shares to cover tax and national insurance</td>
</tr>
<tr>
<td>c)</td>
<td>Price(s) and volume(s)</td>
<td></td>
</tr>
<tr>
<td>---</td>
<td>---</td>
<td>---</td>
</tr>
<tr>
<td></td>
<td>Price</td>
<td>Volume</td>
</tr>
<tr>
<td>1.</td>
<td>£52.59</td>
<td>37,407</td>
</tr>
<tr>
<td>2.</td>
<td>£52.59</td>
<td>4,446</td>
</tr>
<tr>
<td>d)</td>
<td>Aggregated information<br/>- Aggregated volume<br/>- Price</td>
<td></td>
</tr>
<tr>
<td>---</td>
<td>---</td>
<td>---</td>
</tr>
<tr>
<td></td>
<td>Price</td>
<td>Volume</td>
</tr>
<tr>
<td>1.</td>
<td>£52.59</td>
<td>37,407</td>
</tr>
<tr>
<td>2.</td>
<td>£52.59</td>
<td>4,446</td>
</tr>
<tr>
<td>e)</td>
<td>Date of the transaction</td>
<td>18 November 2025</td>
</tr>
<tr>
<td>f)</td>
<td>Place of the transaction</td>
<td>Outside a trading venue</td>
</tr>
</tbody>
</table>
<div class="lb-trans"><table>
<thead>
<tr>
<th></th>
<th></th>
<th></th>
</tr>
</thead>
<tbody>
<tr>
<td>1</td>
<td>董事/PDMR/PCA 的詳細信息</td>
<td></td>
</tr>
<tr>
<td>a)</td>
<td>姓名</td>
<td>1. Johnny Thomson<br/>2. Wilson Ng</td>
</tr>
<tr>
<td>2</td>
<td>通知原因</td>
<td></td>
</tr>
<tr>
<td>a)</td>
<td>職位/狀態</td>
<td>1. 首席執行官<br/>2. 代理首席財務官</td>
</tr>
<tr>
<td>b)</td>
<td>初始通知<br/>/修訂</td>
<td>初始通知</td>
</tr>
<tr>
<td>3</td>
<td>發行人的詳細信息</td>
<td></td>
</tr>
<tr>
<td>a)</td>
<td>名稱</td>
<td>Diploma PLC</td>
</tr>
<tr>
<td>b)</td>
<td>LEI</td>
<td>2138008OGI7VYG8FGR19</td>
</tr>
<tr>
<td>4</td>
<td>交易的詳細信息</td>
<td></td>
</tr>
<tr>
<td>a)</td>
<td>金融工具的描述，工具類型<br/>識別代碼</td>
<td>公司普通股，每股 5 便士<br/>GB0001826634</td>
</tr>
<tr>
<td>b)</td>
<td>交易性質</td>
<td>出售股份以支付税款和國民保險</td>
</tr>
<tr>
<td>c)</td>
<td>價格和數量</td>
<td></td>
</tr>
<tr>
<td>---</td>
<td>---</td>
<td>---</td>
</tr>
<tr>
<td></td>
<td>價格</td>
<td>數量</td>
</tr>
<tr>
<td>1.</td>
<td>£52.59</td>
<td>37,407</td>
</tr>
<tr>
<td>2.</td>
<td>£52.59</td>
<td>4,446</td>
</tr>
<tr>
<td>d)</td>
<td>匯總信息<br/>- 匯總數量<br/>- 價格</td>
<td></td>
</tr>
<tr>
<td>---</td>
<td>---</td>
<td>---</td>
</tr>
<tr>
<td></td>
<td>價格</td>
<td>數量</td>
</tr>
<tr>
<td>1.</td>
<td>£52.59</td>
<td>37,407</td>
</tr>
<tr>
<td>2.</td>
<td>£52.59</td>
<td>4,446</td>
</tr>
<tr>
<td>e)</td>
<td>交易日期</td>
<td>2025 年 11 月 18 日</td>
</tr>
<tr>
<td>f)</td>
<td>交易地點</td>
<td>在交易場所外</td>
</tr>
</tbody>
</table>
</div><p>For further information please contact:</p>
<div class="lb-trans"><p>如需更多信息，請聯繫：</p>
</div><table>
<thead>
<tr>
<th></th>
<th></th>
</tr>
</thead>
<tbody>
<tr>
<td>Diploma PLC</td>
<td>Tel: +44 (0) 20 7549 5700</td>
</tr>
<tr>
<td>Anna Lawrence, Group Company Secretary</td>
<td></td>
</tr>
</tbody>
</table>
<div class="lb-trans"><table>
<thead>
<tr>
<th></th>
<th></th>
</tr>
</thead>
<tbody>
<tr>
<td>Diploma PLC</td>
<td>電話：+44 (0) 20 7549 5700</td>
</tr>
<tr>
<td>Anna Lawrence, 集團公司秘書</td>
<td></td>
</tr>
</tbody>
</table>
</div><p>LEI: 2138008OGI7VYG8FGR19</p>
<div class="lb-trans"><p>LEI：2138008OGI7VYG8FGR19</p>
</div><p>This information is provided by RNS, the news service of the London Stock Exchange. RNS is approved by the Financial Conduct Authority to act as a Primary Information Provider in the United Kingdom. Terms and conditions relating to the use and distribution of this information may apply. For further information, please contact rns@lseg.com or visit www.rns.com.</p>
<div class="lb-trans"><p>此信息由 RNS 提供，倫敦證券交易所的新聞服務。RNS 獲得金融行為監管局的批准，作為英國的主要信息提供者。有關使用和分發此信息的條款和條件可能適用。如需更多信息，請聯繫 rns@lseg.com 或訪問 www.rns.com。</p>
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<div class="lb-trans"><p>RNS 可能會使用您的 IP 地址以確認遵守條款和條件，分析您與本通信中包含的信息的互動，並將此分析以匿名方式與他人分享，作為我們商業服務的一部分。如需瞭解 RNS 和倫敦證券交易所如何使用您提供的個人數據，請參見我們的隱私政策。結束 DSHGZMMMRRDGKZM</p>
</div>

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