Addendum to Lease Agreement Between Monument Road Associates and ATX Telecommunications (January 25, 1996)

Summary

This addendum, dated January 25, 1996, modifies the existing lease between Monument Road Associates and ATX Telecommunications. Effective February 1, 1996, ATX will lease an additional 1,800 square feet of office space, increasing its total leased area to 42,387 square feet. The new space is subject to the same rent terms and conditions as the original lease, with a termination date of January 30, 2004, and includes the same renewal option. The rental rate for the added space is $19.36 per square foot.

EX-10.3 12 ex10-3.txt ADDENDUM 1 Exhibit 10.3 ADDENDUM TO LEASE BETWEEN MONUMENT ROAD ASSOCIATES AND ATX TELECOMMUNICATIONS DATED JANUARY 18, 1994 This addendum dated January 25, 1996, does hereby increase the space leased to ATX as per the enclosed memo as follows: Effective February 1, 1996, ATX will add to its existing lease 1,300 square feet of office space on the third floor, plus 500 square feet on the first floor, comprising the former mail and copy room by the rear door, for a total of 1,800 additional square feet of office space. It is hereby agreed between the parties that this additional space shall be added to the current lease, on the same rent terms and conditions, such that the lease for this additional space shall terminate January 30, 2004 and have the same renewal option as provided in said lease. The new total leased space shall be 40,587 plus 1,800 or 42,387 square feet, and the rental as of February 1, 1996 is ($18.25 x 1.03 = $18.80 x 1.03 = $19.36) $19.36 per square foot, or $820,612.32 /s/ WITNESS /s/ MICHAEL KARP - ------------------------------------ ----------------------------------------------------- witnessed by Monument Road Associates by its GP /s/ WITNESS /s/ MICHAEL KARP - ------------------------------------ ----------------------------------------------------- witnessed by ATX Telecommunications by its GP and chief executive officer

7 2 ATX FLOOR SPACE CALCULATIONS FOR 50 MONUMENT 1ST FLOOR SPACE Mail Room (24.5' x 17)...................................... 416.5 Training Room (24.5' x 56).................................. 1,372.0 Cafeteria (24.5' x 45)...................................... 1,102.5 ============== TOTAL ATX SPACE 1ST FLOOR:.................................. 2,891 2ND FLOOR ATX SPACE Total 2nd Floor Space (100' x 200')......................... 20,000 Less Total Brown Carpet Space (49' x 65')................... 3,185 Plus Brown Carpet Storage Space (12' x 15.5')............... 186 ============== TOTAL ATX SPACE 2ND FLOOR:.................................. 17,001 -- TOTAL ATX SPACE FOR 50 MONUMENT:............. 37,422 ============== 3RD FLOOR ATX SPACE Total 3rd Floor Space (100' x 200')......................... 20,000 Less Training Room.......................................... 348.5 Less Joyce K.'s Space....................................... 220 Less Remaining Green Carpet................................. 1,902 ============== TOTAL ATX SPACE 3RD FLOOR:.................................. 17,530 SUMMARY TOTAL LEASE AGREEMENT AREA.................................. 40,587 sq. ft. ATX CALCULATED TOTAL AREA................................... 37,422 sq. ft. DIFFERENCE.................................................. 3,165 sq. ft. COST/SQ. FT................................................. $18.25 MONTHLY DIFFERENCE.......................................... $57,761 ==============

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