Pharmaceutical benefits management company Express Scripts Inc (ESRX) said that the issue has begun to open a group of senior bonds, and plans for the proceeds of its acquisition of part of the funds required NextRx. NextRx is a medical insurance company WellPoint (WLP) of the drug’s benefits management, Express Scripts has agreed to 4.68 billion U.S. dollars to the price of the acquisition in the sector.

Express Scripts is not for the value of bonds estimated. Monday the company announced that 2300 will be issued shares, the financing is expected to total 1.4 billion -16 billion U.S. dollars, will also be used for the acquisition of NextRx.

NextRx acquisition of this year is expected to be completed by the third or fourth quarter. The acquisition will allow Express Scripts to become the nation’s second-largest pharmaceutical benefits management company.