This is the ICIS pricing methodology for soda ash. ICIS quotes soda ash prices in Europe and the US in a combined report, and in a separate report for Asia-Pacific.

ICIS continuously develops, reviews and revises its methodologies in consultation with industry participants. Previous versions of this methodology can be found under Archived Documents. For a copy of an archived methodology document, please email

To find out more, please see Soda Ash Methodology 26 November 2019