Compagnie Plastic Omnium SE

Pre-Annual General Meeting Information • Mar 31, 2022

Paris, March 31st , 2022

COMPAGNIE PLASTIC OMNIUM SE

Incorporated in France with European Company and issued capital of 8,827,329.18 euros Headquarters: 19, Boulevard Jules Carteret – 69007 LYON Registered in Lyon, no. 955 512 611 – APE business identification code: 6420 Z

Provision of preparatory documents for the Annual Shareholders' Meeting of Compagnie Plastic Omnium SE

The Annual Shareholders' Meeting of Compagnie Plastic Omnium SE will be held on April 21st, 2022 at the Pavillon Dauphine, 2 place du Maréchal de Lattre de Tassigny 75116 PARIS, at 5:00 p.m (Paris time).

Compagnie Plastic Omnium SE would like to remind of all of the ways that the preparatory documents can be made available or be consulted for this Annual Shareholders' Meeting.

The Notice of meeting – containing information on the business and the Group's results, as well as a presentation of the resolutions being submitted for a vote – is being sent within the required timeframe to Shareholders holding registered shares.

The advance notice, serving as a summons to attend the meeting, including the agenda and the text of the proposed resolutions as well as the ways to participate in, and vote at, this meeting, was published in the BALO (French Bulletin of Mandatory Legal Announcements) on March 14th, 2022.

The meeting notice is also available on www.plasticomnium.com, in the Shareholders' section.

Any shareholder may consult the "2021 Universal registration document" on Compagnie Plastic Omnium SE website.

In addition, any shareholder may request to have the 2021 Universal registration document to be sent, and more generally, all of the documents and information set forth by Articles R 225-81, R 225-83, and R 225-88 of the French Commercial Code.

It is also possible to examine the documents which will be provided at the Annual Shareholders' Meeting by consulting them at the administrative headquarters of Compagnie Plastic Omnium SE:

Compagnie Plastic Omnium SE 1, Allée Pierre Burelle 92300 Levallois Perret

Shareholder Relations Tel.: 0800 777 889

Email: investor.relations@plasticomnium.com

As a world leader in its market, Plastic Omnium is designing and producing innovative solutions for smart, sustainable mobility. With 137 plants in 25 countries, 31 research and development centers, Plastic Omnium and its 30,000 employees are serving 93 automotive brands in the world. Plastic Omnium is listed on Euronext Paris, compartment A. It is eligible for the Deferred Settlement Service (SRD) and is part of the SBF 120 and CAC Mid 60 indices (ISIN code: FR0000124570).

As an actor of sustainable development since the start, the Group aims at attaining carbon neutrality for scopes 1&2 in 2025 and for all scopes in 2050. Plastic Omnium is rated A by MSCI, platinum by Ecovadis and B by CDP.

Financial information Tel. : +33 (0)1 40 87 66 78 Fax : +33 (0)1 40 87 96 62 investor.relations@plasticomnium.com