<p>RNS 编号：0663I Diploma PLC2025 年 11 月 19 日</p>
<p>10-11 CHARTERHOUSE SQUARE,</p>
<p>伦敦 EC1M 6EE</p>
<p>电话：+44 (0) 20 7549 5700</p>
<p>2025 年 11 月 19 日</p>
<p>管理责任人（PDMRs）交易通知</p>
<p>Diploma PLC（“公司”）已被通知，Johnny Thomson 和 Wilson Ng 分别于 2023 年 1 月 18 日和 2022 年 11 月 28 日行使了在公司授予的股票奖励，依据 Diploma PLC 2020 年绩效股票计划（“PSP”）。净股份需持有至 PSP 奖励授予日期的第五个周年。</p>
<p>这些奖励在满足截至 2025 年 9 月 30 日的三年期间的绩效条件后生效。有关这些奖励的绩效条件的更多细节将在即将发布的 2025 财年年报和财务报表中列出。</p>
<p>交易通知表见下文。本公告是根据英国市场滥用法规发布的。</p>
<table>
<thead>
<tr>
<th></th>
<th></th>
<th></th>
</tr>
</thead>
<tbody>
<tr>
<td>1</td>
<td>董事/PDMR/PCA 的详细信息</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>职位/状态</td>
<td>1. 首席执行官<br/>2. 代理首席财务官</td>
</tr>
<tr>
<td>b)</td>
<td>初始通知/<br/>修订</td>
<td>初始通知</td>
</tr>
<tr>
<td>3</td>
<td>发行人的详细信息</td>
<td></td>
</tr>
<tr>
<td>a)</td>
<td>名称</td>
<td>Diploma PLC</td>
</tr>
<tr>
<td>b)</td>
<td>LEI</td>
<td>2138008OGI7VYG8FGR19</td>
</tr>
<tr>
<td>4</td>
<td>交易的详细信息：</td>
<td></td>
</tr>
<tr>
<td>a)</td>
<td>金融工具的描述，工具类型<br/>识别代码</td>
<td>公司普通股，每股 5 便士<br/>GB0001826634</td>
</tr>
<tr>
<td>b)</td>
<td>交易性质</td>
<td>根据 Diploma 绩效股票计划行使奖励</td>
</tr>
<tr>
<td>c)</td>
<td>价格和数量</td>
<td></td>
</tr>
<tr>
<td>---</td>
<td>---</td>
<td>---</td>
</tr>
<tr>
<td></td>
<td>价格</td>
<td>数量</td>
</tr>
<tr>
<td>1.</td>
<td>无成本</td>
<td>79,424</td>
</tr>
<tr>
<td>2.</td>
<td>无成本</td>
<td>9,433</td>
</tr>
<tr>
<td>d)</td>
<td>汇总信息<br/>- 汇总数量<br/>- 价格</td>
<td></td>
</tr>
<tr>
<td>---</td>
<td>---</td>
<td>---</td>
</tr>
<tr>
<td></td>
<td>价格</td>
<td>数量</td>
</tr>
<tr>
<td>1.</td>
<td>无成本</td>
<td>79,424</td>
</tr>
<tr>
<td>2.</td>
<td>无成本</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>交易地点</td>
<td>在交易场所外</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 的详细信息</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>职位/状态</td>
<td>1. 首席执行官<br/>2. 代理首席财务官</td>
</tr>
<tr>
<td>b)</td>
<td>初始通知<br/>/修订</td>
<td>初始通知</td>
</tr>
<tr>
<td>3</td>
<td>发行人的详细信息</td>
<td></td>
</tr>
<tr>
<td>a)</td>
<td>名称</td>
<td>Diploma PLC</td>
</tr>
<tr>
<td>b)</td>
<td>LEI</td>
<td>2138008OGI7VYG8FGR19</td>
</tr>
<tr>
<td>4</td>
<td>交易的详细信息</td>
<td></td>
</tr>
<tr>
<td>a)</td>
<td>金融工具的描述，工具类型<br/>识别代码</td>
<td>公司普通股，每股 5 便士<br/>GB0001826634</td>
</tr>
<tr>
<td>b)</td>
<td>交易性质</td>
<td>出售股份以支付税款和国民保险</td>
</tr>
<tr>
<td>c)</td>
<td>价格和数量</td>
<td></td>
</tr>
<tr>
<td>---</td>
<td>---</td>
<td>---</td>
</tr>
<tr>
<td></td>
<td>价格</td>
<td>数量</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>汇总信息<br/>- 汇总数量<br/>- 价格</td>
<td></td>
</tr>
<tr>
<td>---</td>
<td>---</td>
<td>---</td>
</tr>
<tr>
<td></td>
<td>价格</td>
<td>数量</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>交易地点</td>
<td>在交易场所外</td>
</tr>
</tbody>
</table>
<p>如需更多信息，请联系：</p>
<table>
<thead>
<tr>
<th></th>
<th></th>
</tr>
</thead>
<tbody>
<tr>
<td>Diploma PLC</td>
<td>电话：+44 (0) 20 7549 5700</td>
</tr>
<tr>
<td>Anna Lawrence, 集团公司秘书</td>
<td></td>
</tr>
</tbody>
</table>
<p>LEI：2138008OGI7VYG8FGR19</p>
<p>此信息由 RNS 提供，伦敦证券交易所的新闻服务。RNS 获得金融行为监管局的批准，作为英国的主要信息提供者。有关使用和分发此信息的条款和条件可能适用。如需更多信息，请联系 rns@lseg.com 或访问 www.rns.com。</p>
<p>RNS 可能会使用您的 IP 地址以确认遵守条款和条件，分析您与本通信中包含的信息的互动，并将此分析以匿名方式与他人分享，作为我们商业服务的一部分。如需了解 RNS 和伦敦证券交易所如何使用您提供的个人数据，请参见我们的隐私政策。结束 DSHGZMMMRRDGKZM</p>

DPLM

<p>Diploma PLC 宣布首席执行官 Johnny Thomson 和代理首席财务官 Wilson Ng 根据 2020 年绩效股票计划行使了他们的股票奖励。这些股票于 2023 年和 2022 年授予，在满足三年的绩效条件后归属。他们出售了股票以支付税款和国民保险。交易发生在 2025 年 11 月 18 日，地点为交易场外，价格为每股 52.59 英镑。此公告符合英国市场滥用法规</p>

<p>RNS Number : 0663I Diploma PLC 19 November 2025</p>
<div class="lb-trans"><p>RNS 编号：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>伦敦 EC1M 6EE</p>
</div><p>TELEPHONE: +44 (0) 20 7549 5700</p>
<div class="lb-trans"><p>电话：+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>管理责任人（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 分别于 2023 年 1 月 18 日和 2022 年 11 月 28 日行使了在公司授予的股票奖励，依据 Diploma PLC 2020 年绩效股票计划（“PSP”）。净股份需持有至 PSP 奖励授予日期的第五个周年。</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>这些奖励在满足截至 2025 年 9 月 30 日的三年期间的绩效条件后生效。有关这些奖励的绩效条件的更多细节将在即将发布的 2025 财年年报和财务报表中列出。</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>交易通知表见下文。本公告是根据英国市场滥用法规发布的。</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 的详细信息</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>职位/状态</td>
<td>1. 首席执行官<br/>2. 代理首席财务官</td>
</tr>
<tr>
<td>b)</td>
<td>初始通知/<br/>修订</td>
<td>初始通知</td>
</tr>
<tr>
<td>3</td>
<td>发行人的详细信息</td>
<td></td>
</tr>
<tr>
<td>a)</td>
<td>名称</td>
<td>Diploma PLC</td>
</tr>
<tr>
<td>b)</td>
<td>LEI</td>
<td>2138008OGI7VYG8FGR19</td>
</tr>
<tr>
<td>4</td>
<td>交易的详细信息：</td>
<td></td>
</tr>
<tr>
<td>a)</td>
<td>金融工具的描述，工具类型<br/>识别代码</td>
<td>公司普通股，每股 5 便士<br/>GB0001826634</td>
</tr>
<tr>
<td>b)</td>
<td>交易性质</td>
<td>根据 Diploma 绩效股票计划行使奖励</td>
</tr>
<tr>
<td>c)</td>
<td>价格和数量</td>
<td></td>
</tr>
<tr>
<td>---</td>
<td>---</td>
<td>---</td>
</tr>
<tr>
<td></td>
<td>价格</td>
<td>数量</td>
</tr>
<tr>
<td>1.</td>
<td>无成本</td>
<td>79,424</td>
</tr>
<tr>
<td>2.</td>
<td>无成本</td>
<td>9,433</td>
</tr>
<tr>
<td>d)</td>
<td>汇总信息<br/>- 汇总数量<br/>- 价格</td>
<td></td>
</tr>
<tr>
<td>---</td>
<td>---</td>
<td>---</td>
</tr>
<tr>
<td></td>
<td>价格</td>
<td>数量</td>
</tr>
<tr>
<td>1.</td>
<td>无成本</td>
<td>79,424</td>
</tr>
<tr>
<td>2.</td>
<td>无成本</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>交易地点</td>
<td>在交易场所外</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 的详细信息</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>职位/状态</td>
<td>1. 首席执行官<br/>2. 代理首席财务官</td>
</tr>
<tr>
<td>b)</td>
<td>初始通知<br/>/修订</td>
<td>初始通知</td>
</tr>
<tr>
<td>3</td>
<td>发行人的详细信息</td>
<td></td>
</tr>
<tr>
<td>a)</td>
<td>名称</td>
<td>Diploma PLC</td>
</tr>
<tr>
<td>b)</td>
<td>LEI</td>
<td>2138008OGI7VYG8FGR19</td>
</tr>
<tr>
<td>4</td>
<td>交易的详细信息</td>
<td></td>
</tr>
<tr>
<td>a)</td>
<td>金融工具的描述，工具类型<br/>识别代码</td>
<td>公司普通股，每股 5 便士<br/>GB0001826634</td>
</tr>
<tr>
<td>b)</td>
<td>交易性质</td>
<td>出售股份以支付税款和国民保险</td>
</tr>
<tr>
<td>c)</td>
<td>价格和数量</td>
<td></td>
</tr>
<tr>
<td>---</td>
<td>---</td>
<td>---</td>
</tr>
<tr>
<td></td>
<td>价格</td>
<td>数量</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>汇总信息<br/>- 汇总数量<br/>- 价格</td>
<td></td>
</tr>
<tr>
<td>---</td>
<td>---</td>
<td>---</td>
</tr>
<tr>
<td></td>
<td>价格</td>
<td>数量</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>交易地点</td>
<td>在交易场所外</td>
</tr>
</tbody>
</table>
</div><p>For further information please contact:</p>
<div class="lb-trans"><p>如需更多信息，请联系：</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>电话：+44 (0) 20 7549 5700</td>
</tr>
<tr>
<td>Anna Lawrence, 集团公司秘书</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，伦敦证券交易所的新闻服务。RNS 获得金融行为监管局的批准，作为英国的主要信息提供者。有关使用和分发此信息的条款和条件可能适用。如需更多信息，请联系 rns@lseg.com 或访问 www.rns.com。</p>
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</div>

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