SIXTH LEASE EXTENSION AND MODIFICATION AGREEMENTLease Extension and Modification Agreement • May 15th, 2018 • Mersana Therapeutics, Inc. • Pharmaceutical preparations • Massachusetts
This Sixth Lease Extension and Modification Agreement entered into this 17 day of January, 2018 (the “Sixth Lease Amendment”) by and between Rivertech Associates II LLC, a Massachusetts limited liability company with a principal address c/o The Abbey Group, 177 Huntington Avenue 24th Floor Boston, Massachusetts 02115, (the “Lessor”); and Mersana Therapeutics, Inc., with a business address at 840 Memorial Drive Cambridge, Massachusetts (the “Lessee”); relative to a certain Lease between Lessor and Lessee dated February 24, 2009, as modified by a certain Lease Extension and Modification Agreement dated July 27, 2010 (the “First Lease Amendment”); as further modified by a Second Lease Extension and Modification Agreement dated May 29, 2012 (the “Second Lease Amendment”); and as further modified by a Third Lease Extension and Modification Agreement dated February 7, 2013 (the “Third Lease Amendment”); as further modified by a Fourth Lease Extension and Modification Agreement dated April 30
