CDI and Share Registry – Manage your Arcadium Lithium securityholding

The Arcadium Lithium Registry and all securityholder services are managed by Computershare. Securityholders who wish to approach the company on any matter related to their holding should contact the Arcadium Lithium Registry on the details below.

Please note there are different registry details for Arcadium Lithium CHESS Depositary Interest (CDI) holders and Arcadium Lithium shareholders, see the Contact Information section below for more details.

Arcadium Lithium Online Registry Facilities

Computershare’s Investor Centre enables you to have fast, 24 hour and secure access to your holding, including the ability to:

• view your holding balance and transaction history
• update your address *, bank account details
• research dividend payment history
• sign up to receive electronic communications (eComms)
• access forms to complete amendments to details related to your holding
• sell your CDIs or shares (subject to Terms & Conditions online)

* If you are a CHESS Broker sponsored CDI holder, please contact your Broker as only they can update your change of address.

To access your holding at Computershare’s Investor Centre you will need to enter either your;

• HIN (Holder Identification Number) which begins with the letter X for CDI holders or letter C for shareholders

OR

• SRN (Securityholder Reference Number) which begins with the letter I (CDI holders only)

OR

• SSN (Social Security Number) which is in the format of 123-45-6789 (shareholders only)

You can locate your holder number on your holding statement.

Arcadium Lithium Share Registry Contact Information

Managed in the United States by Computershare Trust Company N.A.

Regular Mail: PO Box 43006, Providence, RI 02940-3006
Overnight Delivery: 150 Royall Street, Suite 101, Canton, MA 02021
Telephone: Toll Free: 866 526 3029 | Toll: +1 617 668 3920
Online enquiry

Arcadium Lithium CDI Registry Contact Information

Managed in Australia by Computershare Investor Services Pty Limited

Phone: 1300 850 505
International: +61 3 9415 4000
Postal address: GPO Box 2975, Melbourne VIC 3001, Australia
Street address: Yarra Falls, 452 Johnston Street, Abbotsford VIC 3067, Australia
Online enquiry

Arcadium Lithium shares can be converted into CDIs on a 1:1 basis, and vice versa, using the cross-border services of Arcadium Lithium’s Australian Registrar and US Transfer Agent, Computershare. The conversion process is generally completed within 24 hours, time zones permitting.

Computershare will not charge share or CDI holders any fees for converting between the two securities, however, a cross-border transaction fee may be charged by any intermediaries (i.e. broker or custodian) involved.

For enquires on the cross-border conversion process securityholders should contact Computershare’s Global Transaction team:

Australia - au.globaltransactions@computershare.com (for conversion of CDIs to NYSE shares)

United States - us.globaltransactions@computershare.com (for conversion of NYSE shares to CDIs)