NOT FOR RELEASE, PUBLICATION OR DISTRIBUTION, DIRECTLY OR INDIRECTLY, TO OR FOR THE ACCOUNT OR BENEFIT OF US PERSONS, AS DEFINED IN REGULATION S PROMULGATED UNDER THE US SECURITIES ACT OF 1933, AS AMENDED (THE "US SECURITIES ACT"), OR IN OR INTO THE UNITED STATES, AUSTRALIA, CANADA, JAPAN, OR THE REPUBLIC OF SOUTH AFRICA OR ANY OTHER JURISDICTION WHERE SUCH RELEASE, PUBLICATION OR DISTRIBUTION WOULD BE UNLAWFUL.

16 December 2021

Public Policy Holding Company, Inc.

(the "Company" and, together with its subsidiaries, "PPHC" or the "Group")

Admission to trading on AIM and first day of dealings

PPHC, a leading bi-partisan, full-service US government affairs business, announces the admission of its shares to trading on the AIM market of the London Stock Exchange. Admission will take place and dealings will commence at 8.00 am GMT today under the ticker PPHC and ISIN US7444301094.

The Company's Admission Document is available to view on its website at https://pphcompany.com/investors.

Stewart Hall, CEO of PPHC, said:

"The level of support we have received from high quality institutional investors is a great endorsement of the strength of our business. Admission to AIM and the funds raised will support plans to further scale our proven business platform and we look forward to delivering on that strategy."

 Enquiries

About PPHC

PPHC is a leading bi-partisan, full-service US government affairs business. It operates a portfolio of independent firms offering public affairs, crisis management, lobbying and advocacy services on behalf of corporate, trade association and non-profit client organisations. Clients engage the Group to enhance and defend their reputations, advance policy goals, manage regulatory risk, or otherwise engage with US federal and state-level policy makers, stakeholders, media, and directly to the public at large.

Since its inception in 2014, the Group acquired and integrated eight businesses, now operating as five separate, independent companies, focused at the federal government level in the US and with expanding reach into key US states and metropolitan areas. The five operating entities which form the operating subsidiaries of the Group are Crossroads Strategies LLC, Forbes Tate Partners LLC, Seven Letter, O'Neill & Associates and Alpine Group Partners LLC..

For more information, see www.pphcompany.com

Important notice

The information contained in this announcement is for background purposes only and does not purport to be full or complete. Any purchase of the Company's shares on Admission should be made solely on the basis of the information contained in the Admission Document. No reliance may or should be placed by any person for any purpose on the information contained in this announcement or its accuracy, fairness or completeness. The information in this announcement is subject to change.

THIS ANNOUNCEMENT DOES NOT CONSTITUTE AN OFFER TO SELL, OR THE SOLICITATION OF AN OFFER TO BUY OR SUBSCRIBE FOR, SECURITIES IN ANY JURISDICTION IN WHICH SUCH OFFER OR SOLICITATION IS UNLAWFUL AND IS NOT FOR PUBLICATION OR DISTRIBUTION IN OR INTO THE UNITED STATES OR TO, OR FOR THE ACCOUNT OR BENEFIT OF, ANY US PERSON (AS DEFINED IN REGULATION S UNDER THE US SECURITIES ACT ("US PERSON"), CANADA, AUSTRALIA, THE REPUBLIC OF SOUTH AFRICA OR JAPAN. THE DISTRIBUTION OF THIS ANNOUNCEMENT MAY BE RESTRICTED BY LAW IN CERTAIN JURISDICTIONS AND PERSONS INTO WHOSE POSSESSION ANY DOCUMENT OR OTHER INFORMATION REFERRED TO HEREIN COMES SHOULD INFORM THEMSELVES ABOUT AND OBSERVE ANY SUCH RESTRICTION. ANY FAILURE TO COMPLY WITH THESE RESTRICTIONS MAY CONSTITUTE A VIOLATION OF THE SECURITIES LAWS OF ANY SUCH JURISDICTION. THE COMMON SHARES HAVE NOT BEEN AND WILL NOT BE REGISTERED UNDER ANY PROVINCE OR TERRITORY OF CANADA, AUSTRALIA, THE REPUBLIC OF SOUTH AFRICA OR JAPAN, NOR IN ANY COUNTRY OR TERRITORY WHERE TO DO SO MAY CONTRAVENE LOCAL SECURITIES LAWS OR REGULATIONS.

THIS ANNOUNCEMENT DOES NOT CONSTITUTE OR FORM PART OF AN OFFER OF SECURITIES FOR SALE OR THE SOLICITATION OF AN OFFER TO PURCHASE SECURITIES IN THE UNITED STATES. THE SHARES REFERRED TO HEREIN HAVE NOT BEEN, AND WILL NOT BE, REGISTERED UNDER THE US SECURITIES ACT, OR UNDER THE SECURITIES LAWS OF ANY STATE OR OTHER JURISDICTION OF THE UNITED STATES. THE SHARES REFERRED TO HEREIN WILL BE SUBJECT TO THE CONDITIONS LISTED UNDER SECTION 903(B)(3), OR CATEGORY 3, OF REGULATION S UNDER THE US SECURITIES ACT. THE COMMON SHARES REFERRED TO HEREIN ARE "RESTRICTED SECURITIES" AS DEFINED IN RULE 144 UNDER THE US SECURITIES ACT. PURCHASERS OF THE COMMON SHARES MAY NOT OFFER, SELL, PLEDGE OR OTHERWISE TRANSFER THE SHARES, DIRECTLY OR INDIRECTLY, IN OR INTO THE UNITED STATES OR TO, OR FOR THE ACCOUNT OR BENEFIT OF, ANY US PERSON, EXCEPT PURSUANT TO A TRANSACTION MEETING THE REQUIREMENTS OF RULES 901 TO 905 (INCLUDING THE PRELIMINARY NOTES) OF REGULATION S, PURSUANT TO AN EFFECTIVE REGISTRATION STATEMENT UNDER THE US SECURITIES ACT OR PURSUANT TO AN EXEMPTION FROM THE REGISTRATION REQUIREMENTS OF THE US SECURITIES ACT. HEDGING TRANSACTIONS IN THE SHARES MAY NOT BE CONDUCTED UNLESS IN COMPLIANCE WITH THE US SECURITIES ACT. THERE WILL BE NO PUBLIC OFFERING OF THE COMMON SHARES IN THE UNITED STATES.