Recently listed Russian steelmaker Evraz
Satellites operator Inmarsat
Companies outside the FTSE 100 that grow to rank among the 90 largest by market capitalisation are automatically promoted to the blue-chip index.
FTSE 100 firms with the lowest value, or that fall to 111th spot or below, drop into the FTSE 250.
Two other changes will be made to the FTSE 250, with recently listed Indonesian resources firm Bumi
Mother-and-baby products retailer Mothercare
The quarterly review used the closing prices from Tuesday, with the changes confirmed by a FTSE committee on Wednesday.
The index changes will be implemented from the start of business on Monday, December 19.
(Reporting by Jon Hopkins; Editing by David Hulmes)