Eramet: Purchase of own shares

Paris, 03 November 2025, 6:00 p.m.

PRESS RELEASE

Eramet: Purchase of own shares

Eramet announces the purchase of 16,600 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	27/10/2025	FR0000131757	3,200	60.69	XPAR
ERAMET	549300LUH78PG2MP6N64	28/10/2025	FR0000131757	3,600	59.34	XPAR
ERAMET	549300LUH78PG2MP6N64	29/10/2025	FR0000131757	3,100	59.84	XPAR
ERAMET	549300LUH78PG2MP6N64	30/10/2025	FR0000131757	3,400	59.57	XPAR
ERAMET	549300LUH78PG2MP6N64	31/10/2025	FR0000131757	3,300	60.82	XPAR
* Two-digit rounding after the decimal			TOTAL	16,600	60.03

• Details per transaction

Detailed information regarding purchase of own shares (week of October 27^th, 2025) is available on Eramet website: https://www.eramet.com/en/investors/publications-and-press-releases

Calendar

Early December: Communication to the market

18.02.2026: Publication of 2025 Group annual results

23.04.2026: Publication of 2026 Group first-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. +33 1 45 38 37 02 sandrine.nourrydabi@eramet.com

PRESS CONTACT Media relations manager Nedjma Amrani T. +33 7 65 65 44 49 nedjma.amrani@eramet.com

Attachment

• 2025-10-27 Purchase of own shares