In 2015 , it was named as part of the Philharmonie de Paris Philharmonie 2 , when a larger symphony room was built by Jean Nouvel and renamed to Philharmonie 1 .
In 2015 it was named Philharmonie 2 as part of the Philharmonie de Paris when a larger symphony hall was built by Jean Nouvel and renamed Philharmonie 1 .

Do these sentences mean the same thing?
yes