BUZZ-Carillion: among top midcap gainers on new contracts won in H1

** British support services firm up 3.4 pct, amongtop gainers on FTSE 250 Index

** Co sees rise in H1 revenue on new orders won duringperiod; says it has clarity on H1 orders and probable ordersworth 2.5 bln stg

** Co on Wednesday says it has been awarded contracts worth600 mln stg in Oman and Northern Ireland

** Liberum says in a note that co has low residentialexposure (10-15 pct) amidst weak UK construction outlook

** Brokerage also said co has a stable order book at 17.4bln stg with 97 pct visibility for 2016

** 3 of 10 brokerages rate the stock "buy" or higher, 6"hold" and 1 "sell"

** Stock is the top mover on the FTSE 350 Support ServicesIndex (RM: pranav.kiran@thomsonreuters.com@reuters.net)

Carillion Plc