Haffner Energy

Share Issue/Capital Change • Feb 23, 2022

Game-changing Decarbonization Solutions

Stabilisation transactions

Vitry-le-François, France, February 23, 2022 – Haffner Energy (the "Group"), a key player in decarbonization and green hydrogen, has received notification that Portzamparc, acting as Stabilisation Agent in the context of the first admission to trading of ordinary shares of Haffner Energy on Euronext Growth Paris, has carried out stabilisation activities (as defined in Article 3.2(d) of Regulation (EU) No 596/2014 (the "Market Abuse Regulation")) on the following securities:

Issuer:	Haffner Energy
Securities:	Ordinary shares with a par value of EUR 0.10 (ISIN : FR0014007ND6)
Offering size:	8,967,857 ordinary shares (excluding the overallotment option)
Offer price:	EUR 8.00 per ordinary share
Market:	Euronext Growth Paris
Stabilisation Agent:	Portzamparc

Pursuant to Article 6, paragraph 2, of the Commission Delegated Regulation (EU) 2016/1052 supplementing the Market Abuse Regulation with regard to technical regulatory standards concerning the conditions applicable to buyback programs and stabilisation measures, Haffner Energy, on the basis of the information provided by Portzamparc, is publishing in this press release the information relating to the stabilisation activities carried out by Portzamparc as Stabilisation Agent between 15 February 2022, date of first admission to trading, and 23 February 2022:

Execution date	Intermediary	Buy / Sell	Number of shares	Average transaction price (in €)	Lowest / highest price (in €)	Aggregate amount (in €)	Market
15/02/2022	Portzamparc	Buy	475,100	7.5553	7.45 / 8.00	3,589,523.03	Euronext Growth
16/02/2022	Portzamparc	Buy	65,000	7.8947	7.78 / 7.90	513,155.50	Euronext Growth
17/02/2022	Portzamparc	Buy	10,000	7.6000	7.60 / 7.60	76,000.00	Euronext Growth
18/02/2022	Portzamparc	Buy	0	0		0.00	Euronext Growth
21/02/2022	Portzamparc	Buy	20,000	7.5000	7.50 / 7.50	150,000.00	Euronext Growth
22/02/2022	Portzamparc	Buy	30,000	7.1333	7.10 / 7.20	213,999.00	Euronext Growth
23/02/2022	Portzamparc	Buy	10,000	7.2800	7.28 / 7.28	72,800.00	Euronext Growth

The detailed list of transactions is available on Haffner Energy's website (www.haffnerenergyfinance.com).

This press release is issued also on behalf of Portzamparc pursuant to Article 6, paragraph 2, of Commission Delegated Regulation (EU) 2016/1052.

About Haffner Energy

A family company co-founded and co-directed by Marc and Philippe Haffner, players in the energy transition for 28 years, Haffner Energy designs and provides technologies and services enabling its customers to produce green hydrogen combined with carbon capture from thermolysis of biomass through its HYdrogen NO Carbon ("Hynoca®") process. This process allows the production of hydrogen at a highly competitive cost, carbon negative of 12 kg (net) of CO2 per kg of hydrogen, while depending very little on the electricity grid and the cost of electricity.

Contacts

Haffner Energy Directors Philippe Haffner / Marc Haffner investisseurs@haffner-energy.com Investor Relations NewCap Marine de Fages / Louis-Victor Delouvrier Tél : +33 (0)1 44 71 94 94 Haffner@newcap.eu

Media Relations NewCap Nicolas Merigeau Tél : +33 (0)1 44 71 94 98 Haffner@newcap.eu

Disclaimer

This announcement is not being made in and copies of it may not be distributed or sent, directly or indirectly, into the United States of America, Canada, Australia or Japan.

The distribution of this document may be restricted by law in certain jurisdictions. Persons into whose possession this document comes are required to inform themselves about and to observe any such restrictions.

This press release is provided for information purposes only. It does not constitute and should not be deemed to constitute an offer to the public of securities, nor a solicitation of the public relating to an offer of any kind whatsoever in any country, including France. Potential investors are advised to read the prospectus before making an investment decision in order to fully understand the potential risks and rewards associated with the decision to invest in the securities.

This announcement is an advertisement and not a prospectus within the meaning of Regulation (EU) 2017/1129 of the European Parliament and of the Council of 14 June 2017 on the prospectus to be published when securities are offered to the public or admitted to trading on a regulated market, as amended (the "Prospectus Regulation"), also forming part of the domestic law in the United Kingdom by virtue of the European Union (Withdrawal) Act 2018 (the "EUWA").

With respect to the member States of the European Economic Area and to the United Kingdom, no action has been undertaken or will be undertaken to make an offer to the public of the securities referred to herein requiring a publication of a prospectus in any relevant member State other than France or the United Kingdom. As a result, the securities may not and will not be offered in any relevant member State other than France or the United Kingdom except in accordance with the exemptions set forth in Article 1(4) of the Prospectus Regulation, also forming part of the domestic law in the United Kingdom by virtue of EUWA, or under any other circumstances which do not require the publication by Haffner Energy of a prospectus pursuant to Article 3(2) of the Prospectus Regulation, also forming part of the domestic law in the United Kingdom by virtue of EUWA, and/or to applicable regulations of that relevant member State or the United Kingdom. In France, an offer to the public of securities may not be made except pursuant to a prospectus that has been approved by the French Financial Markets Authority (the "AMF"). The approval of the prospectus by the AMF should not be understood as an endorsement of the securities offered or admitted to trading on a regulated market.

This press release must not be published, distributed, or circulated, directly or indirectly, in the United States of America, Australia, Canada or Japan

It does not constitute an offer to purchase or to subscribe for securities in the United States or in any other jurisdiction.