*STERIS AND SYNERGY REACHED PACT ON TERMS OF COMBINATION OF COS. *STERIS: OFFER REPRESENTS VALUE OF 19.50 PNDS PER SYNERGY SHR*SYNERGY HLDRS TO GET 439P CASH, 0.4308 NEW STERIS SHRS FOR EACH*NEW STERIS IS EXPECTED TO HAVE A COMBINED REV OF ABOUT $2.6B
