Leanne Heywood - Jan 4, 2024 Form 4 Insider Report for Arcadium Lithium plc (ALTM)

Role: Director
Signature: /s/ Sara Ponessa, as attorney-in-fact
Stock symbol: ALTM
Transactions as of: Jan 4, 2024
Transactions value $: $0
Form type: 4
Date filed: 1/8/2024, 04:12 PM
Next filing: Mar 11, 2024

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ALTM	Ordinary Shares	Award		+25K			25K	Jan 4, 2024	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Represents the conversion of ordinary shares of Allkem Limited ("Allkem Shares"), held by the reporting person as of January 4, 2024, into ordinary shares of Arcadium Lithium plc ("Arcadium"), par value $1.00 per share ("Arcadium Ordinary Shares"), in accordance with the terms of the Transaction Agreement, dated as of May 10, 2023, by and between Livent, Allkem Limited ("Allkem"), Lightning-A Merger Sub, Inc. and Arcadium, providing for a combination of Livent and Allkem in a merger of equals transaction (as amended, the "Transaction Agreement").

Content

Represents the conversion of ordinary shares of Allkem Limited ("Allkem Shares"), held by the reporting person as of January 4, 2024, into ordinary shares of Arcadium Lithium plc ("Arcadium"), par value $1.00 per share ("Arcadium Ordinary Shares"), in accordance with the terms of the Transaction Agreement, dated as of May 10, 2023, by and between Livent, Allkem Limited ("Allkem"), Lightning-A Merger Sub, Inc. and Arcadium, providing for a combination of Livent and Allkem in a merger of equals transaction (as amended, the "Transaction Agreement").