Ossiam World ESG Machine Learning UCITS ETF 1A (USD): Amendment of the definition of a business day

OSSIAM IRL ICAV

Irish Collective Asset-management Vehicle Registered office: 70 Sir John Rogerson's Quay, Dublin 2, Ireland

Reference number: C173953 (the “Company”)

Ireland, 9 September 2022,

Dear Shareholders,

We would like to inform you that the board of directors of the Company (the “Board”) has resolved to amend the definition of the “Business Day” in the prospectus of the Company (the “Prospectus”) for consistency purposes as follows:.

The modification of the “Business Day” definition will take place on 10 October 2022 (the “Effective Date”).

Any further information may be obtained by sending an email to info@ossiam.com.

Yours faithfully,

The Board of directors of Ossiam IRL ICAV