Purchase of own shares

Paris, 13 October 2025, 6:00 p.m.

PRESS RELEASE

Eramet: Purchase of own shares

Eramet announces the purchase of 16,500 of its own shares related to the allocation of bonus shares under the provisions of Articles L. 225-197-1 et seq. and L. 22-10-59 and L. 22-10-60 of the French Commercial Code (to cover the free allocation of shares to employees and corporate officer).

• Aggregated presentation per day and per market

Name of issuer	Identification code of issuer (Legal Entity Identifier)	Day of transaction	Identification code of financial instrument	Aggregated daily volume (in number of shares)	Daily weighted average price of the purchased shares *	Market (MIC Code)
ERAMET	549300LUH78PG2MP6N64	06/10/2025	FR0000131757	3,300	56.75	XPAR
ERAMET	549300LUH78PG2MP6N64	07/10/2025	FR0000131757	3,300	57.56	XPAR
ERAMET	549300LUH78PG2MP6N64	08/10/2025	FR0000131757	3,300	59.53	XPAR
ERAMET	549300LUH78PG2MP6N64	09/10/2025	FR0000131757	3,300	60.00	XPAR
ERAMET	549300LUH78PG2MP6N64	10/10/2025	FR0000131757	3,300	60.02	XPAR
* Two-digit rounding after the decimal			TOTAL	16,500	58.77

• Details per transaction

Detailed information regarding purchase of own shares (week of October 06^th, 2025) is available on Eramet website: https://www.eramet.com/en/investors/publications-and-press-releases

Calendar

30.10.2025: Publication of 2025 Group third-quarter turnover

ABOUT ERAMET

Eramet transforms the Earth’s mineral resources to provide sustainable and responsible solutions to the growth of the industry and to the challenges of the energy transition.

Its employees are committed to this through their civic and contributory approach in all the countries where the mining and metallurgical group is present.

Manganese, nickel, mineral sands and lithium: Eramet recovers and develops metals that are essential to the construction of a more sustainable world.

As a privileged partner of its industrial clients, the Group contributes to making robust and resistant infrastructures and constructions, more efficient means of mobility, safer health tools and more efficient telecommunications devices.

Fully committed to the era of metals, Eramet’s ambition is to become a reference for the responsible transformation of the Earth’s mineral resources for living well together.

www.eramet.com

INVESTOR CONTACT Director of Investor Relations Sandrine Nourry-Dabi T. [phone] [e-mail]

PRESS CONTACT Media relations manager Nedjma Amrani T. [phone] [e-mail]

Attachment

• 2025-10-06 Purchase of own shares