POREX <PORX.O> TO MERGE WITH MEDCO <MCCS.O> Porex Technologies Corp said it has agreed to merge with its partly-owned subsidiary Medco Containment Services Inc in a deal worth about 380 mln dlrs in cash and common stock to Porex shareholders. The company said under the agreement, Prex holders would receive new Medco shares representing a pro rata share of the 9,159,552 Medco shares now owned by Porex plus a pro rata shares of the cash value of other porex assets, which is estimated at 60 mln dlrs subject to adjustment. Medco now has 16.9 mln shares outstanding. While exact terms may not be determined until the transaction becomes effective, Porex said each Porex share is expected to be exchanged for 0.82 Medco share and 5.38 dlrs in cash, subject to approval by sharehoilders of both companies. As part of the deal, Medco will split its stock five for two. The company said the merger will be accounted for as a corporate reorganization and be recorded at historical book values.