| 07/06/24 | 07:00:08 | 7 Jun 2024 | | Acquisition & Expansion of Credit Facility | RNS |
| 06/06/24 | 14:51:17 | 6 Jun 2024 | | Clarification of Vesting of LTIP Awards | RNS |
| 05/06/24 | 18:12:51 | 5 Jun 2024 | | NOTIFICATION OF MAJOR HOLDINGS | RNS |
| 05/06/24 | 18:09:10 | 5 Jun 2024 | | NOTIFICATION OF MAJOR HOLDINGS | RNS |
| 31/05/24 | 10:49:31 | 31 May 2024 | | Restricted Shares Issuance | RNS |
| 30/05/24 | 17:01:26 | 30 May 2024 | | Director Transfer of Shareholding | RNS |
| 30/05/24 | 07:00:14 | 30 May 2024 | | Appointment of Joint Broker | RNS |
| 21/05/24 | 07:00:09 | 21 May 2024 | | Restricted Shares Issuance & Director Dealing | RNS |
| 09/05/24 | 16:14:26 | 9 May 2024 | | Result of AGM | RNS |
| 08/05/24 | 07:00:13 | 8 May 2024 | | Investor Webinar | RNS |
| 02/05/24 | 07:00:10 | 2 May 2024 | | Issue of shares and total voting rights | RNS |
| 01/05/24 | 07:05:00 | 1 May 2024 | | Acquisition of Lucas Public Affairs | RNS |
| 01/05/24 | 07:00:09 | 1 May 2024 | | Supplemental Credit Facility | RNS |
| 24/04/24 | 07:00:13 | 24 Apr 2024 | | Notice of AGM | RNS |
| 18/04/24 | 16:41:58 | 18 Apr 2024 | | Posting of Annual Report | RNS |
| 05/04/24 | 13:01:27 | 5 Apr 2024 | | Director/PDMR Share Purchases | RNS |
| 04/04/24 | 07:00:10 | 4 Apr 2024 | | PPHC: top position in Bloomberg Govt 2023 Report | RNS |
| 20/03/24 | 10:36:38 | 20 Mar 2024 | | Issue of shares and total voting rights | RNS |
| 20/03/24 | 10:22:38 | 20 Mar 2024 | | PCA Share Purchase | RNS |
| 13/03/24 | 07:00:05 | 13 Mar 2024 | | Unaudited Preliminary Results | RNS |
| 05/03/24 | 07:00:12 | 5 Mar 2024 | | Notice of Results & Presentation via IMC | RNS |
| 01/02/24 | 12:00:00 | 1 Feb 2024 | | Issue of shares and total voting rights | RNS |
| 24/01/24 | 07:00:08 | 24 Jan 2024 | | 2023 Lobbying Disclosure Act revenue rankings | RNS |
| 15/12/23 | 07:00:08 | 15 Dec 2023 | | Board Appointment | RNS |
| 04/12/23 | 07:00:06 | 4 Dec 2023 | | Restricted Shares Issuance | RNS |
| 30/11/23 | 07:00:16 | 30 Nov 2023 | | Two Agencies included in 2024 Agency Elite Top 100 | RNS |
| 17/11/23 | 13:45:17 | 17 Nov 2023 | | Notification of Major Holdings | RNS |
| 15/11/23 | 07:00:12 | 15 Nov 2023 | | Director/PDMR Share Purchase | RNS |
| 13/11/23 | 12:00:00 | 13 Nov 2023 | | PPHC Launches Concordant Advisory | RNS |
| 08/11/23 | 07:00:12 | 8 Nov 2023 | | Director/PDMR Share Purchase | RNS |
| 01/11/23 | 09:22:43 | 1 Nov 2023 | | Director/PDMR Share Purchases | RNS |
| 01/11/23 | 07:00:14 | 1 Nov 2023 | | Restricted Shares Issuance and PDMR Dealing | RNS |
| 31/10/23 | 07:00:07 | 31 Oct 2023 | | Removal of Reg S Restrictions | RNS |
| 30/10/23 | 07:00:19 | 30 Oct 2023 | | Director/PDMR Share Purchases | RNS |
| 26/10/23 | 07:00:13 | 26 Oct 2023 | | PPHC: #1 in LDA revenue rankings | RNS |
| 06/10/23 | 07:00:04 | 6 Oct 2023 | | Issue of Awards Under Omnibus Plan | RNS |
| 28/09/23 | 07:00:12 | 28 Sept 2023 | | Retail Investor Presentation | RNS |
| 20/09/23 | 16:22:05 | 20 Sept 2023 | | Director/PDMR Dealing | RNS |
| 14/09/23 | 07:00:07 | 14 Sept 2023 | | Presentation via Investor Meet Company | RNS |
| 13/09/23 | 07:01:02 | 13 Sept 2023 | | Board Appointment & Removal of Reg S restrictions | RNS |
| 13/09/23 | 07:00:05 | 13 Sept 2023 | | Interim Results | RNS |
| 02/08/23 | 07:00:07 | 2 Aug 2023 | | Leading the Q2 Lobbying Disclosure Act rankings | RNS |
| 26/07/23 | 07:00:10 | 26 Jul 2023 | | PPHC leader recognised as Lobbyist of the Year | RNS |
| 03/07/23 | 07:00:05 | 3 Jul 2023 | | Chief Financial Officer Succession | RNS |
| 27/06/23 | 10:00:04 | 27 Jun 2023 | | Notification of Major Holdings | RNS |
| 27/06/23 | 07:00:05 | 27 Jun 2023 | | PPHC: top position in Bloomberg Govt 2022 Report | RNS |
| 26/06/23 | 07:00:05 | 26 Jun 2023 | | Mello Investor Presentation | RNS |
| 23/06/23 | 09:02:38 | 23 Jun 2023 | | Issue of shares and total voting rights | RNS |
| 19/06/23 | 07:00:03 | 19 Jun 2023 | | Business Update | RNS |
| 24/05/23 | 07:00:14 | 24 May 2023 | | Issue of Awards Under Omnibus Plan | RNS |
