April 12 (Reuters) - Hydro One Ltd H.TO :
* HYDRO ONE AND THE POWER WORKERS' UNION REACH TENTATIVE SETTLEMENT
* CO, POWER WORKERS' UNION ACHIEVE TENTATIVE SETTLEMENT OF 2-YEAR COLLECTIVE AGREEMENT
* TENTATIVE SETTLEMENT OF 2-YEAR COLLECTIVE AGREEMENT COVERS ABOUT 4,000 EMPLOYEES IN FRONT LINE ROLES
* UNION MEMBERS WILL VOTE ON TENTATIVE AGREEMENT WITH OUTCOME ANTICIPATED BY JUNE 27