MOMENTA PHARMACEUTICALS INC (Form: 8-K, Received: 08/02/2019 16:05:37)

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of
The Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): July 31 , 2019

Momenta Pharmaceuticals, Inc.

(Exact name of registrant as specified in its charter)

Delaware	000-50797	04-3561634
(State or Other Jurisdiction	(Commission	(IRS Employer
of Incorporation)	File Number)	Identification No.)

301 Binney Street, Cambridge, MA		02142
(Address of Principal Executive Offices)		(Zip Code)

(617) 491-9700

(Registrant’s telephone number, including area code)

Not applicable

(Former name or former address, if changed since last report)

Securities registered pursuant to Section 12(b) of the Act:

Title of each class		Trading Symbol(s)		Name of each exchange on which registered
Common Stock, $0.0001 par value per share		MNTA		The Nasdaq Global Select Market

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

o Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Indicate by check mark whether the registrant is an emerging growth company as defined in as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company o

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. o

Item 1.01. Entry into a Material Definitive Agreement.

On July 31, 2019, Momenta Pharmaceuticals, Inc. (the “Company”) entered into a Seventh Amendment To and Partial Termination of Lease Agreement (“Seventh Amendment”) with BMR-Rogers Street LLC (“Landlord”), which amends the lease dated February 5, 2013 by and between the Company and Landlord (“Lease”), pursuant to which the Company leased approximately 104,678 square feet of office and laboratory space located in the basement and first and second floors (the “Existing Premises”) of 320 Bent Street, Cambridge, Massachusetts (the “Bent Building”).

The Seventh Amendment provides for the partial termination of the Company’s lease obligations as tenant with respect to a portion of the Existing Premises under the Lease, constituting approximately 89,218 square feet (the “Surrendered Premises”), effective July 31, 2019. The Company has agreed to pay a termination fee with respect to the Surrender Premises of approximately $3 million.

The Company has agreed to continue to lease approximately 15,460 square feet of the Existing Premises (the “Remaining Premises”). The Seventh Amendment provides that base rent for the Remaining Premises will be $84.00 per square foot during the first partial lease year, beginning on July 31, 2019 and ending on August 31, 2019, and will increase to $94.00 per square foot for the second lease year and by approximately 2.8% for each lease year thereafter.

The foregoing description of the Seventh Amendment does not purport to be complete, and is qualified in its entirety by reference to the full text of the Seventh Amendment, which is attached to this Form 8-K as Exhibit 10.1 and incorporated herein by reference.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits .

Exhibit 10.1

Seventh Amendment To and Partial Termination of Lease Agreement, dated July 31, 2019, by and between Momenta Pharmaceuticals, Inc. and BMR-Rogers Street LLC.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

	MOMENTA PHARMACEUTICALS, INC.

Date: August 2, 2019	By:	/s/ Michelle Robertson
		Michelle Robertson
		Senior Vice President and Chief Financial Officer
		(Principal Financial Officer)

Exhibit 10.1

SEVENTH AMENDMENT TO AND PARTIAL TERMINATION OF LEASE AGREEMENT THIS SEVENTH AMENDMENT TO AND PARTIAL TERMINATION OF LEASE AGREEMENT (this "Seventh Amendment") is entered into as of this 31 51 day of July, 2019 ("Execution Date") and made effective as of the 3151 day of July, 2019 (the "Effective Date"), by and between BMR-ROGERS STREET LLC, a Delaware limited liability company ("Landlord") and MOMENTA PHARMACEUTICALS, INC., a Delaware corporation ("Tenant"). RECITALS A. WHEREAS, Landlord and Tenant are parties to that certain Lease dated as of February 5, 20 13 (the "Original Lease"), as amended by that certain First Amendment to Lease dated as of March 21 , 20 13, as further amended by that certain Second Amendment to Lease dated as of May 24, 2013, as further amended by that certain Third Amendment to Lease dated as of December 30, 2015 (the "Third Amendment"), as further amended by that certain Fourth Amendment to Lease dated as of July 24, 2017, as further amended by that certain Fifth Amendment to Lease dated as of April 24, 2018, as further amended by that certain Letter Agreemen t re: TI Allowance dated November 15, 2017, and as further amended by that certain Six th A mendment to and Partial Termination of Lease Agreement dated as of August 2, 2018 (the "Six th Amendm ent") (collectively, and as the same may have been further amended, amended and restated, supplemented or modified from time to time, the "Existing Lease"), whereby Tenant leases certain premises from Landlord comprising approximately 104,678 square feet of Rentable Area (the "Ex isting Premises") of the bu ilding at 320 Bent Street in Cambridge, Massachusetts (the "Bent Building"); and B. WHEREAS, Landlord and Tenant desire to surrender approximately 89,218 square feet of Rentable Area of the Existing Premises (the "Surrender Premises") as shown on E x hibit A attached hereto and continue leasing approximately 15,460 square feet of Rentable Area of the Existing Premises located on the basement and first (1 51 ) floor of the Bent Building (the "Remai n ing Premises") as shown on Exhibit B attached hereto in accordance with the following provisions and modify and amend the Existing Lease only in the respects and on the conditions hereinafter stated. AGREEMENT NOW, THEREFORE, La ndlord and Tenant, i n consideration of the mutual promises contained herein and for other good and valuable consideration, the receipt and sufficiency of which are hereby ackn owledged, and intending to be legally bound, agree as follows: I. Definitions. For purposes of this Seventh Amendment, capitalized terms shall have the meanings ascribed to them in the Existing Lease unless otherwise defined herein. The Exist i ng Lease, as amended by this Seventh Amendment, is referred to collectively herein as the "Lease." From and after the Execution Date, the term "Lease," as used in the Existing Lease, shall mean the E xisting Lease, as amended by this Seventh Amendment. 2. Demising the Surrender Premises. The Surrender Premises are physically demised from the Remaining Premises. Tenant has either performed prior to the Execution Date 81()MED JatrLEG AL APPROVED

or s h a ll perform prior to th e S urre nd e r Date (as indicated o n Ex hibit C attac h ed hereto), at Te n a nt 's so l e cost a nd expe n se and in full acco rd a n ce wi th the prov i s i o n s of the Ex i stin g Lease, including w ith o u t limitat i o n , A rti c l e 17 of the O ri gi n a l Lease, th e work n ecessa r y to se pa rate th e base building system co nn ectio n s, securit y syste m s, te l /data and IT infrast ructure a nd systems, BMS panel s a nd syste m s, a nd utility m ete rs ( in c ludin g HVA C s ubm ete rin g) se rv in g each of th e Sur re nd er Premi ses a nd the Re mainin g Pre mi ses, and to effectuate a n efficient se pa rat i o n of pre mi ses so th a t eac h of the Su rre nd e r Premises a nd t h e Re m a inin g Premises m ay be l eased ind e pe ndently of eac h ot h er, as m o re spec ifi ca ll y set fo rth o n Ex hibit C attac h ed h e reto a nd m ade a part h ereof (co ll ective l y, the "Demi s in g Work "). Landlord h e re b y ack n ow l edges that the portion s of the Demi s ing Work performed prior to the Exec uti o n Date as indi cated on Ex hibit C (th e "Co mpl eted Demising Work") ha ve been performed to Landlord 's sat i sfact i on a nd verified by Landlord 's third-party co n s ulta nt, a nd so l ong as the Completed De mi s in g Work is in th e sa me co nditi o n o n th e S urre nd er Date as it was o n the date it was verified b y Landl ord 's third part y co n s ul ta nt, Te n a n t h as n o co ntinuin g ob li gatio n s vv ith respect thereto; provided , h oweve r, th at n ot hin g in thi s Sec ti on s h a ll be dee m ed to re l ease, wa iv e or m odify any of Tenant's s urrender ob li ga ti o n s und er t he Lease ot h e r than those s pecifica ll y identified as Co mpl eted Dem i s in g Work. 3. S urre nder Premises S urre nd e r Date. Notwit hsta ndin g a n yt hin g in the Exist in g Lea se to the co ntrar y. Tena nt s h a ll co mpl ete the Demi s ing Work a nd s urre nd e r the Surrender Pre mi ses to La ndl o rd in broo m c l ea n co nditi o n , free of personal property (exce pt as provided h e re in ) and ot h erw i se in the co nditi o n req uired und e r the Lease ( i n c l ud i n g without I imitat i o n , th e prov i s i o n s of Art i c l e 26 of the Original Lease), a nd wit h the Demis in g Work in good wo rkin g o rd e r, n o l ater than the I ater of (i) .J u I y 3 1 , 20 1 9 a nd ( i i ) t h e Effective Date (su ch l ate r date, the "Surrende r Dat e''). At l east ten ( I 0) da ys pri o r to t h e S urre nd er Date, Te n ant s ha ll co ndu ct a s ite in s pec ti o n \•V ith Landlord . Te n ant's fa i I ure to s urre nd e r the S urre nd e r Premi ses o n o r before the S urre nd e r Date wil l res ult in Tenant being in h o ld over a nd s ubject to t h e terms a nd co nditi o ns of Art i c l e 27 of the Exist in g Lease. 4. S urre nd er Premises Termination Fee. Within ten ( I 0) bus in ess days after the Effective D ate, Te n a n t s h a ll pay to La ndl o rd , by wire transfer in imm ed i ate l y ava il ab l e funds, a te rmin a ti o n fee wit h res pec t to the Su rre nder Premi ses in a n a m o unt equ a l to Three Million S i x t y-Fo ur Th o u sa nd N in e Hundred N in ety-Three and 40/ 100 Do ll ars ($3,064,993.40). 5. Pa rtial Bent Lease Termination. Th e Lease shall a utomat i ca ll y terminate w ith res pect to th e S urrend er Premises effective as of II :59 p. m . Eastern time o n the S urre nd er Date (t he ·' Pa r t i al Ben t Lease Te rmin at i o n"). I f Ten a n t h as n ot f ull y sat i sfied a ll of its ob li gat i o ns set fo rth i n Sec ti o n s?, l and1of thi s Agreement (co ll ective l y, the "S urrende r O bli gat i o n s") by t h e S urre nd e r Date, the Partia l Bent Lease Te rmin at i o n s h a ll n o n et h e l ess occ ur ( in c ludin g w ith o ut limitat i o n t h e right of Land l o rd to re-take exc lus i ve possession of the S urre nd er Pre mises) a nd Tena nt 's li abi lit y for any rema inin g Surrender Obligations s h a ll s urvi ve the Partial Bent Lease Te rmin at i o n. As of the Partial Bent Lease Te rmin at i o n , the Lease s h a ll be fully a nd finally s urre ndered and terminated a nd s h a ll n o l onger be of a n y force or effect so l e l y wit h respect to the S urre n der Premi ses, ex cept fo r t h ose provision s that, by their exp ress term s, s urv i ve the ex pira ti o n o r ea rli e r termin at i o n of the Lease, but the Lease s h a ll re m a in in f ull fo rce a nd effect w ith respect to th e Remaining Pre mi ses . 2

6. Tenant Perso nal Property. Notwithstanding anything in the Existing Lease or this Seventh Amendment to the contrar y, Landlord acknow l edges and agrees that Tenant 's personal pro pe rt y s pec ifica ll y li s ted on Exhibit D a ttached hereto and made a pa1i h ereof ("Tenant Pe rso nal Pro perty") may remain in th e Surrender Premises upon the Partial Bent Lease Termination , it being understood and agreed that Tenant has executed a bill of sale and submitted the sa me into escrow until the Effective Date, whereby the same has been conveyed to Merck & Co. , In c. (th e "Pe rso n a l Pro pe1iy Conveyance"). Landlord s hall have no liability to Tenant or o th e rvv i se relatin g to the Personal Property or the Personal Prope1iy Conveyance. Tenant shal l h ave n o li a bilit y to Landl o rd for any cla im s relating to the Perso nal Prope1iy or the Personal Property Co n veya nce. 7. Rem a ining Premi ses Ba se Rent. Notwith standing anything in the Ex isting Lease to the co ntrar y. commencing o n the da y immediatel y after the Partial Base Rent for the Re mainin g Pre mi ses s hall be as fo ll ows: Bent Lease Termination , 3 Dates Sguue Feet of Base Rent per Monthly Base Annual Base Rentable Area Sguare Foot of Rentable A1·ea Rent Rent Day afte r Partial Bent Lease Termination-8/3 I /2 019 15,460 $84.00 $1 08,220. 00 $1 ,298,640.00* 9/ 1 /2019-8/3 I /2020 1 5,460 $94.00 $121 , 103.33 $1,453,240.00 91 I /2020-8/3 I /202 I 15,460 $96.60 $124,453.00 $1 ,493,436.00 9/ 1 /2021-8/3 I /2022 15,460 $99.27 $127,892. 85 $1,534,714. 00 9/ I /2022 - 8/3 I /2023 1 5,460 $ 102 .02 $131 ,435 .77 $ 1 ,577,229.20 9/ 1 /2023-8/3 1 /2024 15,460 $104.86 $135,094.63 $1 ,621 ,1 35. 60 91 I /2024-8/3 I /2025 15 ,460 $ 107.78 $138,856.57 $1 ,666,278.80 9/ 1 /2025-8/3 I /2026 15 , 460 $110.79 $142,734.45 $1 ,712,813.40 9/ I /2026-2 /28/2027 1 5 ,460 $ 11 3.89 $ 146,728.28 $1 ,760,739 .40*

*To be pro-rated fo r pa rt i a l yea r 8. A m e nd ed Lease Prov i s i o n s afte r Pa rti a l Be nt Lease Te rmin a ti o n . F ro m a nd afte r th e Pa r t i a l Be nt Lease Te rmin a ti o n , th e Ex i s tin g Lease s h a ll be a m e nd ed as fo ll ows: a. R e m a inin g Pre m ises O ri g in a l Lease s h a ll h ereto. Th e term "Premi ses" as u sed in the Lease, s h a ll m ea n a nd refe r to th e a nd s h a ll exc lu de the S urre nd er Premi ses. Ex hibit B a ttac h ed to th e be d ee m ed d e l eted i n its entiret y a nd repl aced w i t h Ex hibit B attac h ed b. T h e Re ntab l e A rea of th e Pre mi ses s h a ll be ap prox im ate l y 1 5,460 square feet, s ubject to ad j u st m e nt purs u a nt to th e te rm s of th e Lease. c. Te n a nt 's Pro Rata S h a re of Be nt Buildin g s h a ll m ea n 7.92%. d . Te n a n t 's n o n-exc lu s i ve li cen se to u se pa r k in g s paces in th e park in g fac iliti es s h a ll be redu ced to twe l ve ( 1 2) spaces. In add i t i o n , Ten a nt s h a ll h ave th e ri ght to u se two (2) pa r k in g s paces a t t h e sa m e ra tes a n d o n t h e sa m e te rm s a ppli ca bl e to s u ch twe l ve (1 2) pa r k in g s paces, bu t s ubject to La ndl o rd 's ri g h t to revo ke o ne o r both of s uc h s paces upo n at least t hirty (30) days n ot i ce. e. Sect i o n 1 6.1 of th e Ori gin a l Lease s h a ll be m odifi ed by d e l etin g th e seco nd se nte n ce t h e reof in its e ntiret y a nd re pl acin g it w ith th e fo ll ow in g: "I f a n y s u c h utilit y i s n o t sepa rate l y m ete red to Te n a nt, Te n a nt s h a ll pay Te n a nt 's S h a re of a ll c h a rges of s u c h utilit y jo in t l y m etered w i t h o th e r pre mi ses as pa rt of Te n a nt 's S h a re of O pe rat in g Ex pe nses, o r, in th e a l te rn a ti ve, La n d l ord m ay m o nito r th e usage of s u ch u t iliti es b y Te na nt thro u g h th e u se of o n e o r mo re s u b m e te rs or c h eck m ete rs, a nd c h a rge Te n a n t w ith th e costs of purc h as in g, insta llin g a nd mo n ito rin g s u c h m eter in g equi p m e nt, as A dd iti o n a I Re nt, prov id ed th a t La n d l o rd s h a II prov id e Te n a n t wi th at l east t h i rt y (30) days ' p r i o r n ot i ce befo re ins ta llin g a n y s u c h m ete rin g equipm e nt a n d s h a ll h ave reaso n a bl y de te rmin ed t h e re i s a bas i s fo r n eedin g to sepa rate l y m e te r s u c h u t i I it y." Secti o n 16.10 of th e Ori g in a l Lease s h a ll be m odifi ed b y addin g th e f. fo ll ow in g afte r th e seco nd se n te n ce a nd befo re t h e third se nte n ce: "Fo r c l a rit y, fro m a nd afte r t h e Surren der Date. (x) Te n a n t's ri g h ts p urs u a nt to thi s Sect io n 1 6. 1 0 re l ate so l e l y to th e ac id n e u t ra li zat i o n ta n k se r v in g th e Re m a inin g Pre mi ses, (y) th e te rm ''Ac i d Ne u t ra li zat i o n Ta nk" s h a ll refe r o nl y to th e ac id n eutra li zati o n ta nk serv in g th e Re m a inin g Premi ses a nd l ocated in th e base m ent of th e Bent Buildin g, a n d (z) Te na nt s h a ll h ave n o ri ghts o r o bli ga ti o n s to th e ex te n t a ri s in g afte r th e S urre n de r Da te w ith res pect to th e ac id n e utra li zati o n ta n k l ocated in t h e ba se m e n t po rt i on of t h e S urre n de r Pre mi ses." g. Sect i o n ? 1. 9 of th e O ri g in a l Lease s h a ll be m odi fied by de l et i n g th e seco n d se n te n ce t h e reof in i ts e ntiret y a nd re pl ac in g it w ith th e fo ll ow in g: "In th e exerc i se of s u c h co ntro l , La ndl o rd h as dete rmin ed a nd Te n a nt agrees th at, durin g t h e Te rm , (a) Te n a nt s h a ll h ave no ri gh t to a n y co n t ro I areas ex i s tin g o n t h e fi rst ( 1 51 ) fl oo r of t h e Be n t Buildin g as of th e Effec t ive Date of t h e Seve nth A m e ndm e n t. ( b) to th e ex te n t Te n a nt requires o n e o r m o re co ntro l a reas o n th e fi rst ( I 51 ) floo r a nd to th e exte nt s u c h co n t ro l a reas a re avai l a bl e a nd n ot in u se b y o t h e r te n a nts. Te n a nt s h a ll b uil d o ut in depe n den t, se l f-co nta in ed co ntro l a reas to sa ti sfy th a t n eed 4

in portions of t h e firs t ( I s t) floor Premi ses, a nd (c) Tenant sh a ll hav e n o right to a n y control a reas o n the second (2"cl) floor of the Bent Building. '' h. Sect i o n 46 (Ge n e rato r) of the Original Lease s h a ll be deleted in its e ntiret y and rep laced wit h the fo ll o·wi n g: " 'Ten a nt 's u se of the ge nerato rs in the Bent Building s h a ll be pe rmitted as fo ll ows: (a) Te n a nt s ha ll n ot be e nti tied to u se Generator # I o r Ge n erato r #2 identified in Ex hibit R of the Original Lease, a nd (b) Tenant s h a ll be entitl ed to utili ze n o m o re th a n 1 5 k il owa tts of the 450-kil owa tt capac it y of Generator #3 id e ntifi ed in Exhibit R of the Or i g in a l Lease." i. Sect i o n 8 of th e Third A m e ndm e n t (R i ght of First Offer at Bent Buildin g) s h a ll be de l e ted in its e ntirety. 9. Reservation of Ri g hts. Notw ith sta ndin g the Part i a l Bent Lease Termination , Landlord does n ot waive, a nd h ereby reserves, a n y ri ghts and /o r re m ed i es that Landlord m ay hav e und er the Lease o r at l aw o r in equit y ar i s in g fro m any un c ured default (w h eth e r o r n ot n ot i ce has bee n g i ven) of Te n a nt und e r th e Lease w i t h res pect to the S urre nd er Premi ses ex i st in g as of the Pa rt i a l Be nt Lea se Ter min a ti o n . I 0.R e l ease o f Right s a nd Obligation s. As of the Pa rti a l Bent Lease Termin a ti o n, (a) Te n a nt f ull y a n d un co n d i t i o n a ll y re l eases, ca n ce l s, a nnul s, resci nd s, di sc h a rges, disclaims, wa ives :.1nd re l eases a n y a nd a ll ri g hts a nd be n efi ts Tenant ma y h ave und er the Lease w ith respect to t h e S urre n de r Pre mi ses a ri s in g f ro m a nd after the Pa rti a l Be nt Lease Termination , a nd (b) Tenant s h a ll h ave n o f urt h er o bli gat i o n s w ith respect to the Surrender Premises, exce pt for those provis i o n s that. b y th e ir exp ress te rm s, s urv ive the exp irati o n o r earlier termination of the Lease. I I. Q uitc l a im. To th e exte nt, i f a n y, t h at th e Lease gi ves Tenant a n y ri ght, title or interes t in o r to t h e S urre nd e r Premises, Tenant does h ereby re mi se, re l ease a nd quitc l a im to Landlo rd s uch ri gh t, tit l e o r inte rest in o r to t h e Su rrende r Premi ses as of the Part i a l Bent Lease Te rmin at i o n a nd s h a ll execute a nd de l ive r to La ndl o rd any documentation reaso n ab l y requ ested by Landlord to effect o r d oc um ent such re mi se, release a nd quitc l a im . 1 2 . No Tra n sfe r. As of t h e Exec uti o n Date, Te n a nt rep rese n ts t h a t it h as n ot m ade (a nd cove n a n ts t h at i t s h a ll n o t m ake prior to t h e Pa t1i a l Bent Lea se Te rmin atio n ) any ass ignment. s ubl ease. tra n sfe r. conveyance o r o ther d i spos i t i o n of the Lease o r its inte rest therein w i th res pec t to th e Su r re nd e r Pre mi ses. n o r m ade o r e n te red into (a nd cove n a nts that it s h a ll n ot make or e nte r in to pr i o r to th e Pat1ial Bent Lease Te rmin ati o n ) a n y ag ree m e nt that wo uld result in any m ec hani c's l i e n o r ot h e r c l ai m , demand o bligation , li abi lit y, act i o n o r ca use of acti o n a ri s ing f ro m o r w ith res pect to the Lease o r the S urre nd e r Premises th a t w ill n o t be tim e l y paid . 1 3. At t o rn eys ' Fees. Exce pt as o therwi se ex press l y set fo rth in t hi s Seventh A m e ndment, eac h part y s h a ll pay its ow n costs a nd expenses incurred in co nn ecti o n w ith this Sevent h A m e ndm e n t and s u c h pa rt y's performance und e r thi s Seventh A m e ndm e nt, prov id ed , t h at if e ith e r party co mmences a n acti o n , proceeding, demand , c l a im , ac ti o n, ca use of acti o n o r s uit aga in st th e ot h e r party a ri s in g o ut of o r ·in co nn ectio n w ith thi s Sevent h A m e ndm e nt, then th e s ubsta nti a ll y preva ilin g pa rt y s h a ll be re imbursed b y the ot h er pat1y fo r a ll reaso n a bl e costs a nd ex pe n ses. in c l udi n g reaso n ab l e a ttorne ys' fees a nd ex penses, in c urred by the s ubsta nti a ll y 5

preva ilin g part y in s u c h action , proceedin g, demand , c l a im , acti o n, ca u se of acti o n o r s uit, and in a n y appea l in co nn ect i o n th e rew ith ( rega rdl ess of whether th e applicable action, proceedin g, demand , c l a im , act i o n , ca u se of action , suit o r ap pea l i s vo lunta ril y withdrawn or dismissed). Thi s Secti o n 1 3 s h a ll n ot be d ee med to a m e nd , m odi fy o r limit Section 45.4 of th e Lease. Broker. Eac h party represents a nd wa rra nts th a t it h as n o t d ea lt w ith a ny broke r 1 4. o r age n t in the n egotia ti o n for o r th e o bta inin g of this Seve nth Amendment ot h er than CBRE I New E n g l a nd ("B roke r"), a nd ag rees to re imburse, ind e mnify, save, d efe nd (at th e indemnifi ed party 's o pti o n a nd w ith co unse l reaso n a bl y acceptabl e to th e ind e mnifi ed pa rt y, a t the i nde mn i fyi n g pa rt y 's so l e cost a nd expe nse) and h o ld h a rm less the o th er party for, from a nd aga in st a n y a nd a ll cost o r li ab ilit y for co mpe n sa tion c l a im ed b y a n y ot h e r broke r o r agent e m p l oyed o r e n gaged b y i t o r c l a imin g to h ave been e mpl oyed o r e n gaged by it. Broke r i s n o t e ntitl ed to a n y fee o r co mmi ssio n in connection w ith this Seventh Amendment. 1 5. No Default. As of th e Exec uti o n Da te, eac h of Landlord a nd Tenant re prese nt, warra n t a nd cove n a n t to th e o ther that, to th e bes t of its knowledge, La ndl o rd a nd Tenant a re n ot in default of a n y of their res pect i ve o bli gat i o ns und e r th e Existing Lease and n o eve nt h as occ urred that, vv ith th e passage of time o r the g i v in g of n ot i ce (o r both) wo uld co n st itute a default b y e ith e r Landl o rd o r Te n ant thereunder. Not i ces. Tenant co nfirm s that, n o t w ithsta ndin g a n yt hin g in the Lease to th e 16. co ntra r y, n o ti ces delivered to Tenant purs u a nt to the Lease should be se nt to: Mo m e n ta Pharmaceuticals, In c. 30 I Binne y St reet Ca mbrid ge, Massac husetts 02141 A ttn: A l eja n d ra Ca r vaja l , C hief Legal Office r E m ai I: acarva j a l @ momentap h arma .co m W ith cop i es to : M o m e nta Pharm ace uti ca l s, Inc. 30 I Binn ey St reet Ca mbridge, Massac hu setts 02141 Attn : C hi ef F in a n c i a l Officer a nd Mo m enta Ph ar m ace uti ca l s, Inc. 30 I Binne y St reet Ca mbrid ge, Massac hu se tts 02141 Att n: Mo m enta S it e Se r vices S u ccesso rs a nd Ass i g n s. Eac h of the cove n a nts, co nditi o ns a nd ag ree m e nts a ppl y to a nd be 17. co nta ined in thi s Seve n th A m e ndm e nt s h a ll inure to the be nefit of a nd s h a ll b in d in g upo n thG panics h e reto a nd th e ir res pec ti ve h e irs, l egatees, d ev i sees, exec uto rs, 6

adm ini s trators a nd per mitted s uccesso rs, ass i gn s and s ublessees. Nothing in this section s hall in any \Nay alter the provisions of the Lea se restricting assignment and subletting. Effect of Agreement. Except as modified by this Seventh Amendment, the 18. Ex istin g Lease a nd all the cove nants, agreements, terms, provisions and conditions thereof shall re main in f ull force a nd effect and a re here b y ratified and affirmed. In the event of any conflict between the ter m s co ntain ed in thi s Seventh Amendment and the Existing Lease, the terms h e re in co ntained s hall s upersede and control the ob ligati o ns and liabilities of the parties. 1 9. Authority.Tenant guarantees, warrants and represents that the executi o n a nd co n s ummati o n of this Seventh Amendment have been duly authorized by all appropriate co mpa n y act i o n , and the individual or individual s signing this Seventh Amendment hav e the power, authorit y and lega l capacity to s ign this Seventh Amendment on behalf of and to bind all entities, cor po ration s, partnerships, limited liability companies, joint venturers or other organ i za ti o ns and entities on whose behalf such individual or individuals have signed. 20. Voluntary Agreement. The pat1ies have read this Seventh Amendment and the mutual re l eases contained in it, and hav e freely and voluntarily entered into this Seventh Am e ndment. 2 1 .Waiver of Jury Trial. To the extent permitted by applicable laws, the parties 'Naiv e tri a l b y jur y in a n y action , proceeding or counterclaim brought by the other party hereto re l ated t o m atte rs a ri s ing o ut of or in any way connected with this Seventh Amendment, Tenant 's u se o r occ upa n cy of the Pre mi ses o r any claim of injur y or damage re lated to this Seventh A m e ndm e nt o r th e Premi ses. This Section 2 1 s hall n ot be deemed to amend , modify o r limit Secti o n 45.18 of the Lease. 22 . Co unt e rpa rt s; Facsimile and PDF Signatures. Thi s Seventh Amendment may be e x ecuted in one or more counterparts, each of which , when take n together, shall constitute one and the same document. A facsimile o r portable document format (PDF) signature on this Seventh Amendment shall be eq uivalent to, and have the same force and effect as, an original s i gnat ure. [REMArNDER OF THIS PAGE INTENTIONALLY LEFT BLANK] 7

fN WITNESS WHEREOF, the parties have executed this Seventh sealed Massachusetts instrument as of the day hereinabove first written. Amendment as a LANDLORD: BMR-ROGERS STREET LLC, a Delaware limited liability company By: ....3.....-----:----------Name: W_ill_i a_m K=a:..:..:n=e _ Title: .=EV..:...:....P-=E=-=a:.::.st.:....C:::..o:..:a::.:s:..:..t-=&:....;U:::..;K:...!...:..:M.:.::a::.:.;rk:.:..:e:..::ts=-TENANT: MOMENTA PHARMACEUTICALS, INC., a Delaware corporation By: _ Name: _ Title: _