Exhibit 10.6

 

EXTENSION OF LEASE

 

It is agreed between Momenta Pharmaceuticals, Inc., LESSEE, and 68 Moulton
Street Realty Trust, LESSOR, that the lease for four thousand, three hundred and
sixteen (4,316) square feet of office space located on the second floor of 68
Moulton Street, Cambridge, MA 02138, and dated February 11, 2004 be extended for
a period of four (4) months commencing September 1, 2004 and ending December 31,
2004.

 

 

LESSEE:

 

Momenta Pharmaceuticals, Inc.

 

 

By:

/s/ [illegible]

 

 

 

 

Date:

     7/13/2004

 

 

 

 

LESSOR:

 

 

 

68 Moulton Street Realty Trust

 

 

 

By:

/s/ [illegible]

 

 

 

 

Date:

     7/7/2004

 

 

 

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