ZURICH, June 2 (Reuters) - Amrize, the North

American construction ( NOA ) materials business being spun off by

Holcim, will start trading its shares on the Swiss SIX

Exchange and the New York Stock Exchange on June 23, the

companies said on Monday.

Approvals have been received for the 100% spin-off, with

Holcim shareholders receiving one Amrize share for every share

in Holcim owned at the close of business on June 20.

Amrize will be admitted to the blue chip Swiss Market Index

on its first day of trading and will seek inclusion on the

relevant U.S. equity indices.