Public Policy Holding Company, Inc.

("PPHC", the "Group" or the "Company")

Retirement of Chief Administrative Officer

Public Policy Holding Company, Inc., the government relations and public affairs group providing clients with a fully integrated and comprehensive range of services, announces that William ("Bill") Chess has made the decision to retire from his full-time executive career and, therefore, as Chief Administrative Officer of the Group. He will remain on the Board as a Non-Executive Director and in an advisory capacity as a strategic consultant, with Group executives continuing to draw on his experience as a Group co-founder and its Chief Financial Officer from 2014 to July 2023.

Shares owned by Mr. Chess at the time of the IPO vested with effect as of 1 July 2024, however, the transfer restrictions in line with his Executive Employment Agreement will remain in place. Long-Term Incentive Program ("LTIP") Awards that Mr. Chess has earned since the LTIP plan was adopted vested with effect as of 1 July 2024, including 50,000 Option Awards, 100,000 Restricted Stock Units, and 17,438 Restricted Stock Awards. Mr. Chess is considered a related party under the AIM rules and the directors consider, having consulted with its nominated adviser, that the terms of the transaction are fair and reasonable insofar as its shareholders are concerned.

Following this issue of shares, the Company's total issued and voting share capital upon admission will consist of 119,871,310 Common Shares. This figure may be used by shareholders as the denominator for the calculations by which they will determine if they are required to notify their interest in, or a change to their interest in, securities of the Company.

Stewart Hall, PPHC CEO, said:

"Bill retires from his executive function having made a significant contribution evolving PPHC into a multinational business providing effective government relations and advocacy services at a new level of scale and sophistication. Bill was at the ground floor of the planning and then execution of the PPHC project. Following a decades-long career as a senior executive where I was honored to work with him twice, I wish Bill all the best in his retirement from a full-time executive position and look forward to his continued support as a NED and advisor."

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About PPHC

Incorporated in 2014, PPHC is a US-based government relations and public affairs group providing clients with a fully integrated and comprehensive range of services including government and public relations, research, and digital advocacy campaigns. Engaged by approximately 1200 clients, including companies, trade associations and non-governmental organisations, the Group is active in all major sectors of the US. economy, including healthcare and pharmaceuticals, financial services, energy, technology, telecoms and transportation. PPHC's services support clients to enhance and defend their reputations, advance policy goals, manage regulatory risk, and engage with US federal and state-level policy makers, stakeholders, media, and the public.

PPHC operates a holding company structure and currently has ten operating entities in the US and UK. Operating in the strategic communications market, the Group has a strong track record of organic and acquisitive growth, the latter focused on enhancing its capabilities and to establish new verticals, either within new geographies or new related offerings.