i) Purchase, Lease and Reimbursement Agreement dated December 30, 1964 (ii) Lease dated December 30, 1964 (iii) Amendment dated September 6, 1966 (iv) Amendment dated November 30, 1966 (v) Lease Modification Agreement dated January 1, 1967

                         EXHIBIT INDEX


Exhibit No.      Description                    Page
-----------      -----------                    ----


 B-1        Lease and Amendments between        Filed herewith
            Xxxx Xxxxxxx Life Insurance 
            Company and Massachusetts
            Electric Company for
            North Andover Service Building:

            (i)   Purchase, Lease and Reimbursement 
                  Agreement dated December 30, 1964
            (ii)  Lease dated December 30, 1964
            (iii) Amendment dated September 6, 1966
            (iv)  Amendment dated November 30, 1966
            (v)   Lease Modification Agreement dated 
                  January 1, 1967

 B-2        Lease and Amendments between        Filed herewith
            Xxxx Xxxxxxx Life Insurance
            Company and New England Power
            Service Company for Headquarters
            Complex

            (i)   Supplemented Lease dated 
                  October 14, 1966
            (ii)  Lease Modification Agreement 
                  dated January 2, 1970