Document:

EX-10.1

Exhibit 10.1

Promissory Note Schedule No. 08

PROMISSORY NOTE

To Master Security Agreement No. 4081067

December 29, 2006

 (Date)

FOR VALUE RECEIVED, Altus Pharmaceuticals Inc., a Delaware corporation, located at the
address stated below (“Maker") promises, jointly and severally if more than one, to pay to the
order of Oxford Finance Corporation or any subsequent holder hereof (each, a “Payee") at its
office located at 133 N. Fairfax Street, Alexandria, VA 22314 or at such other place as Payee
or the holder hereof may designate, the principal sum of Six Hundred Seventy-One Thousand, Six
Hundred Sixty and Eighty-Seven One-Hundredths Dollars ($671,660.87), with interest on the
unpaid principal balance, from the date hereof through and including the dates of payment, at a
fixed interest rate of ten and thirty-four one-hundredths percent (10.34%) per annum, in
forty-eight (48) consecutive monthly installments of principal and interest as follows:

	 	 	 	 	 
	Periodic

Installment

	 	

Amount

	 

	 	 	 	 
	1-48

	 	$	16,998.47	 

(each a “Periodic Installment") and a final installment which shall be in the amount of
the total outstanding principal and interest. The first Periodic Installment shall be due and
payable on December 28, 2006 and the following Periodic Installments and the final installment
shall be due and payable on the first day of each succeeding month (each, a “Payment Date")
beginning February 1, 2007. Such installments have been calculated on the basis of a 360-day
year of twelve 30-day months. Each payment may, at the option of the Payee, be calculated and
applied on an assumption that such payment would be made on its due date. Maker agrees to pay
any initial partial month interest payment from the date of this Note to the first day of the
following month (“Interim Interest”).

The acceptance by Payee of any payment which is less than payment in full of all amounts due
and owing at such time shall not constitute a waiver of Payee’s right to receive payment in
full at such time or at any prior or subsequent time.

The Maker hereby expressly authorizes the Payee to insert the date value is actually given in
the blank space on the face hereof and on all related documents pertaining hereto.

This Note may be secured by a security agreement, chattel mortgage, pledge agreement or
like instrument (each of which is hereinafter called a “Security Agreement” and any Security
Agreement, this Note and any other document evidencing or securing this loan is hereinafter
called a “Debt Document”).

Time is of the essence hereof. If any installment or any other sum due under this Note or
any Security Agreement is not received within 5 days of when due, the Maker agrees to pay, in
addition to the amount of each such installment or other sum, a late payment charge of five
percent (5%) of the amount of said installment or other sum, but not exceeding any lawful
maximum. If (i) Maker fails to make payment of any amount due hereunder; or (ii) Maker is in
default under, or fails to perform under any material term or condition contained in any
Security Agreement, then the entire principal sum remaining unpaid, together with all accrued
interest thereon and any other sum payable under this Note or any Security Agreement, at the
election of Payee, shall immediately become due and payable, with interest thereon at the
lesser of eighteen percent (18%) per annum or the highest rate not prohibited by applicable law
from the date of such accelerated maturity until paid (both before and after any judgment).

Notwithstanding anything to the contrary contained herein or in the Security Agreement, Maker
may not prepay in full or in part any indebtedness hereunder without the express written
consent of Payee in its sole discretion.

The Maker and all sureties, endorsers, guarantors or any others (each such person, other than
the Maker, an “Obligor") who may at any time become liable for the payment hereof jointly and
severally consent hereby to any and all extensions of time, renewals, waivers or modifications
of, and all substitutions or releases of, security or of any party primarily or secondarily
liable on this Note or any Security Agreement or any term and provision of either, which may be
made,

granted or consented to by Payee, and agree that suit may be brought and maintained against any
one or more of them, at the election of Payee without joinder of any other as a party thereto,
and that Payee shall not be required first to foreclose, proceed against, or exhaust any
security hereof in order to enforce payment of this Note. The Maker and each Obligor hereby
waives presentment, demand for payment, notice of nonpayment, protest, notice of protest,
notice of dishonor, and all other notices in connection herewith, as well as filing of suit (if
permitted by law) and diligence in collecting this Note or enforcing any of the security
hereof, and agrees to pay (if and to the extent permitted by law) all expenses incurred in
collection, including Payee’s actual attorneys’ fees.

Maker and Payee intend to strictly comply with all applicable federal and Virginia laws,
including applicable usury laws (or the usury laws of any jurisdiction whose usury laws are
deemed to apply to the Note or any other Debt Document despite the intention and desire of the
parties to apply the usury laws of the Commonwealth of Virginia). Accordingly, the provisions
of this paragraph shall govern and control over every other provision of this Note or any other
Debt Document which conflicts or is inconsistent with this Section, even if such provision
declares that it controls. As used in this paragraph, the term “interest” includes the
aggregate of all charges, fees, benefits or other compensation which constitute interest under
applicable law, provided that, to the maximum extent permitted by applicable law, (a)
any non-principal payment shall be characterized as an expense or as compensation for something
other than the use, forbearance or detention of money and not as interest, and (b) all interest
at any time contracted for, reserved, charged or received shall be amortized, prorated,
allocated and spread, in equal parts during the full term of the obligations. In no event
shall Maker or any other person be obligated to pay, or Payee have any right or privilege to
reserve, receive or retain, (a) any interest in excess of the maximum amount of non-usurious
interest permitted under the laws of the Commonwealth of Virginia or the applicable laws (if
any) of the United States or of any other state, or (b) total interest in excess of the amount
which Payee could lawfully have contracted for, reserved, received, retained or charged had the
interest been calculated for the full term of the obligations. On each day, if any, that the
interest rate (the “Stated Rate”) called for under this Note or any other Debt Document
exceeds the maximum non-usurious rate, the rate at which interest shall accrue shall
automatically be fixed by operation of this sentence at the maximum non-usurious rate for that
day. Thereafter, interest shall accrue at the Stated Rate unless and until the Stated Rate
again exceeds the maximum non-usurious rate, in which case, the provisions of the immediately
preceding sentence shall again automatically operate to limit the interest accrual rate to the
maximum non-usurious rate. The daily interest rates to be used in calculating interest at the
maximum non-usurious rate shall be determined by dividing the applicable maximum non-usurious
rate by the number of days in the calendar year for which such calculation is being made. None
of the terms and provisions contained in this Note or in any other Debt Document which directly
or indirectly relate to interest shall ever be construed without reference to this paragraph,
or be construed to create a contract to pay for the use, forbearance or detention of money at
an interest rate in excess of the maximum non-usurious rate. If the term of any obligation is
shortened by reason of acceleration of maturity as a result of any Default or by any other
cause, or by reason of any required or permitted prepayment, and if for that (or any other)
reason Payee at any time, including but not limited to, the stated maturity, is owed or
receives (and/or has received) interest in excess of interest calculated at the maximum
non-usurious rate, then and in any such event all of any such excess interest shall be canceled
automatically as of the date of such acceleration, prepayment or other event which produces the
excess, and, if such excess interest has been paid to Payee, it shall be credited pro
tanto against the then-outstanding principal balance of Maker’s obligations to Payee,
effective as of the date or dates when the event occurs which causes it to be excess interest,
until such excess is exhausted or all of such principal has been fully paid and satisfied,
whichever occurs first, and any remaining balance of such excess shall be promptly refunded to
its payor.

THE MAKER HEREBY UNCONDITIONALLY WAIVES ITS RIGHTS TO A JURY TRIAL OF ANY CLAIM OR CAUSE OF
ACTION BASED UPON OR ARISING OUT OF, DIRECTLY OR INDIRECTLY, THIS NOTE, ANY OF THE RELATED
DOCUMENTS, ANY DEALINGS BETWEEN MAKER AND PAYEE RELATING TO THE SUBJECT MATTER OF THIS
TRANSACTION OR ANY RELATED TRANSACTIONS, AND/OR THE RELATIONSHIP THAT IS BEING ESTABLISHED
BETWEEN MAKER AND PAYEE. THE SCOPE OF THIS WAIVER IS INTENDED TO BE ALL ENCOMPASSING OF ANY
AND ALL DISPUTES THAT MAY BE FILED IN ANY COURT (INCLUDING, WITHOUT LIMITATION, CONTRACT
CLAIMS, TORT CLAIMS, BREACH OF DUTY CLAIMS, AND ALL OTHER COMMON LAW AND STATUTORY CLAIMS.)
THIS WAIVER IS IRREVOCABLE, MEANING THAT IT MAY NOT BE MODIFIED EITHER ORALLY OR IN WRITING,
AND THE WAIVER SHALL APPLY TO ANY SUBSEQUENT AMENDMENTS, RENEWALS, SUPPLEMENTS OR MODIFICATIONS
TO THIS NOTE, ANY RELATED DOCUMENTS, OR TO ANY OTHER DOCUMENTS OR AGREEMENTS RELATING TO THIS
TRANSACTION OR ANY RELATED TRANSACTION. IN THE EVENT OF LITIGATION, THIS NOTE MAY BE FILED AS
A WRITTEN CONSENT TO A TRIAL BY THE COURT.

This Note and any Security Agreement constitute the entire agreement of the Maker and Payee
with respect to the subject matter hereof and supercedes all prior understandings, agreements
and representations, express or implied.

No variation or modification of this Note, or any waiver of any of its provisions or
conditions, shall be valid unless in writing and signed by an authorized representative of
Maker and Payee. Any such waiver, consent, modification or change shall be effective only in
the specific instance and for the specific purpose given.

Any provision in this Note or any Security Agreement which is in conflict with any statute, law
or applicable rule shall be deemed omitted, modified or altered to conform thereto.

Upon receipt of an affidavit of an officer of Payee as to the loss, theft, destruction or
mutilation of this Note or any Debt Document which is not of public record, and, in the case of
any such loss, theft, destruction or mutilation, upon surrender and cancellation of such Note
or other Debt Document, Maker will issue, in lieu thereof, a replacement Note or other Debt
Document in the same principal amount thereof and otherwise of like tenor.

It is understood and agreed that this Note and all of the Debt Documents were negotiated and
have been or will be delivered to Payee in the Commonwealth of Virginia, which State the
parties agree has a substantial relationship to the parties and to the underlying transactions
embodied by this Note and the Debt Documents. Maker agrees to furnish to Payee at Payee’s
office in Alexandria, VA, all further instruments, certifications and documents to be furnished
hereunder. The parties also agree that if collateral is pledged to secure the debt evidenced
by this Note, that the state or states in which such collateral is located each have a
substantial relationship to the parties and to the underlying transaction embodied by this Note
and the Debt Documents.

MAKER AGREES THAT THE PAYEE OF THIS NOTE SHALL HAVE THE OPTION BY WHICH STATE LAWS THIS NOTE
SHALL BE GOVERNED AND CONSTRUED: (A) THE LAWS OF THE COMMONWEALTH OF VIRGINIA; OR (B) IF
COLLATERAL HAS BEEN PLEDGED TO SECURE THE DEBT EVIDENCED BY THIS NOTE, THEN BY THE LAWS OF THE
STATE OR STATES WHERE THE COLLATERAL IS LOCATED, AT PAYEE’S OPTION. THIS CHOICE OF STATE LAWS
IS EXCLUSIVE TO THE PAYEE OF THIS NOTE. MAKER SHALL NOT HAVE ANY OPTION TO CHOOSE THE LAWS BY
WHICH THIS NOTE SHALL BE GOVERNED. MAKER AND GUARANTORS HEREBY CONSENT TO THE EXERCISE OF
JURISDICTION OVER IT BY ANY FEDERAL COURT SITTING IN VIRGINIA OR ANY VIRGINIA COURT SELECTED BY
PAYEE, FOR THE PURPOSES OF ANY AND ALL LEGAL PROCEEDINGS ARISING OUT OF OR RELATING TO THE
NOTE, THE LOAN AGREEMENT AND ALL OTHER DOCUMENTS. MAKER AND GUARANTORS IRREVOCABLY WAIVE, TO
THE FULLEST EXTENT PERMITTED BY LAW, ANY OBJECTION WHICH IT MAY NOW OR HEREAFTER HAVE TO THE
LAYING OF VENUE OF ANY SUCH PROCEEDING BROUGHT IN ANY SUCH COURT, ANY CLAIM BASED ON THE
CONSOLIDATION OF PROCEEDINGS IN SUCH COURTS IN WHICH PROPER VENUE MAY LIE IN DIVERGENT
JURISDICTIONS, AND ANY CLAIM THAT ANY SUCH PROCEEDING BROUGHT IN ANY SUCH COURT HAS BEEN
BROUGHT IN AN INCONVENIENT FORUM. MAKER AND GUARANTORS HEREBY IRREVOCABLY WAIVE, TO THE
FULLEST EXTENT PERMITTED BY LAW, ANY AND ALL RIGHT TO TRIAL BY JURY IN ANY LEGAL PROCEEDING
ARISING OUT OF OR RELATING TO THIS NOTE, THE OTHER DOCUMENTS OR THE TRANSACTIONS CONTEMPLATED
THEREBY.

	 
	 

	ALTUS PHARMACEUTICALS INC.

     By: /s/ Jonathan I. Lieber

     Name: Jonathan I. Lieber

	 

	     Title: Vice President, Chief Financial Officer and Treasurer

	 

	Federal Tax ID #: 04-3573277

	 

	Address: 125 Sidney Street

Cambridge, MA 02139EX-10.2

Exhibit 10.2

Promissory Note Schedule No. 09

PROMISSORY NOTE

To Master Security Agreement No. 4081067

December 29, 2006

 (Date)

FOR VALUE RECEIVED, Altus Pharmaceuticals Inc., a Delaware corporation, located at the
address stated below (“Maker") promises, jointly and severally if more than one, to pay to the
order of Oxford Finance Corporation or any subsequent holder hereof (each, a “Payee") at its
office located at 133 N. Fairfax Street, Alexandria, VA 22314 or at such other place as Payee
or the holder hereof may designate, the principal sum of Six Hundred Thirty-Eight Thousand,
Three Hundred Thirty-Nine and Three One-Hundredths Dollars ($638,339.03), with interest on the
unpaid principal balance, from the date hereof through and including the dates of payment, at a
fixed interest rate of ten and thirty-six one-hundredths percent (10.36%) per annum, in
thirty-six (36) consecutive monthly installments of principal and interest as follows:

	 	 	 	 	 
	Periodic

Installment

	 	

Amount

	 

	 	 	 	 
	1-36

	 	$	20,528.24	 

(each a “Periodic Installment") and a final installment which shall be in the amount of
the total outstanding principal and interest. The first Periodic Installment shall be due and
payable on December 28, 2006 and the following Periodic Installments and the final installment
shall be due and payable on the first day of each succeeding month (each, a “Payment Date")
beginning February 1, 2007. Such installments have been calculated on the basis of a 360-day
year of twelve 30-day months. Each payment may, at the option of the Payee, be calculated and
applied on an assumption that such payment would be made on its due date. Maker agrees to pay
any initial partial month interest payment from the date of this Note to the first day of the
following month (“Interim Interest”).

The acceptance by Payee of any payment which is less than payment in full of all amounts due
and owing at such time shall not constitute a waiver of Payee’s right to receive payment in
full at such time or at any prior or subsequent time.

The Maker hereby expressly authorizes the Payee to insert the date value is actually given in
the blank space on the face hereof and on all related documents pertaining hereto.

This Note may be secured by a security agreement, chattel mortgage, pledge agreement or
like instrument (each of which is hereinafter called a “Security Agreement” and any Security
Agreement, this Note and any other document evidencing or securing this loan is hereinafter
called a “Debt Document”).

Time is of the essence hereof. If any installment or any other sum due under this Note or
any Security Agreement is not received within 5 days of when due, the Maker agrees to pay, in
addition to the amount of each such installment or other sum, a late payment charge of five
percent (5%) of the amount of said installment or other sum, but not exceeding any lawful
maximum. If (i) Maker fails to make payment of any amount due hereunder; or (ii) Maker is in
default under, or fails to perform under any material term or condition contained in any
Security Agreement, then the entire principal sum remaining unpaid, together with all accrued
interest thereon and any other sum payable under this Note or any Security Agreement, at the
election of Payee, shall immediately become due and payable, with interest thereon at the
lesser of eighteen percent (18%) per annum or the highest rate not prohibited by applicable law
from the date of such accelerated maturity until paid (both before and after any judgment).

Notwithstanding anything to the contrary contained herein or in the Security Agreement, Maker
may not prepay in full or in part any indebtedness hereunder without the express written
consent of Payee in its sole discretion.

The Maker and all sureties, endorsers, guarantors or any others (each such person, other than
the Maker, an “Obligor") who may at any time become liable for the payment hereof jointly and
severally consent hereby to any and all extensions of time, renewals, waivers or modifications
of, and all substitutions or releases of, security or of any party primarily or secondarily
liable on this Note or any Security Agreement or any term and provision of either, which may be
made, granted or consented to by Payee, and agree that suit may be brought and maintained
against any one or more of them, at the election of Payee without joinder of any other as a
party thereto, and that Payee shall not be required first to foreclose, proceed against, or
exhaust any security hereof in order to enforce payment of this Note. The Maker and each
Obligor hereby waives presentment, demand for payment, notice of nonpayment, protest, notice of
protest, notice of dishonor, and all other notices in connection herewith, as well as filing of
suit (if permitted by law) and diligence in collecting this Note or enforcing any of the
security hereof, and agrees to pay (if and to the extent permitted by law) all expenses
incurred in collection, including Payee’s actual attorneys’ fees.

Maker and Payee intend to strictly comply with all applicable federal and Virginia laws,
including applicable usury laws (or the usury laws of any jurisdiction whose usury laws are
deemed to apply to the Note or any other Debt Document despite the intention and desire of the
parties to apply the usury laws of the Commonwealth of Virginia). Accordingly, the provisions
of this paragraph shall govern and control over every other provision of this Note or any other
Debt Document which conflicts or is inconsistent with this Section, even if such provision
declares that it controls. As used in this paragraph, the term “interest” includes the
aggregate of all charges, fees, benefits or other compensation which constitute interest under
applicable law, provided that, to the maximum extent permitted by applicable law, (a)
any non-principal payment shall be characterized as an expense or as compensation for something
other than the use, forbearance or detention of money and not as interest, and (b) all interest
at any time contracted for, reserved, charged or received shall be amortized, prorated,
allocated and spread, in equal parts during the full term of the obligations. In no event
shall Maker or any other person be obligated to pay, or Payee have any right or privilege to
reserve, receive or retain, (a) any interest in excess of the maximum amount of non-usurious
interest permitted under the laws of the Commonwealth of Virginia or the applicable laws (if
any) of the United States or of any other state, or (b) total interest in excess of the amount
which Payee could lawfully have contracted for, reserved, received, retained or charged had the
interest been calculated for the full term of the obligations. On each day, if any, that the
interest rate (the “Stated Rate”) called for under this Note or any other Debt Document
exceeds the maximum non-usurious rate, the rate at which interest shall accrue shall
automatically be fixed by operation of this sentence at the maximum non-usurious rate for that
day. Thereafter, interest shall accrue at the Stated Rate unless and until the Stated Rate
again exceeds the maximum non-usurious rate, in which case, the provisions of the immediately
preceding sentence shall again automatically operate to limit the interest accrual rate to the
maximum non-usurious rate. The daily interest rates to be used in calculating interest at the
maximum non-usurious rate shall be determined by dividing the applicable maximum non-usurious
rate by the number of days in the calendar year for which such calculation is being made. None
of the terms and provisions contained in this Note or in any other Debt Document which directly
or indirectly relate to interest shall ever be construed without reference to this paragraph,
or be construed to create a contract to pay for the use, forbearance or detention of money at
an interest rate in excess of the maximum non-usurious rate. If the term of any obligation is
shortened by reason of acceleration of maturity as a result of any Default or by any other
cause, or by reason of any required or permitted prepayment, and if for that (or any other)
reason Payee at any time, including but not limited to, the stated maturity, is owed or
receives (and/or has received) interest in excess of interest calculated at the maximum
non-usurious rate, then and in any such event all of any such excess interest shall be canceled
automatically as of the date of such acceleration, prepayment or other event which produces the
excess, and, if such excess interest has been paid to Payee, it shall be credited pro
tanto against the then-outstanding principal balance of Maker’s obligations to Payee,
effective as of the date or dates when the event occurs which causes it to be excess interest,
until such excess is exhausted or all of such principal has been fully paid and satisfied,
whichever occurs first, and any remaining balance of such excess shall be promptly refunded to
its payor.

THE MAKER HEREBY UNCONDITIONALLY WAIVES ITS RIGHTS TO A JURY TRIAL OF ANY CLAIM OR CAUSE OF
ACTION BASED UPON OR ARISING OUT OF, DIRECTLY OR INDIRECTLY, THIS NOTE, ANY OF THE RELATED
DOCUMENTS, ANY DEALINGS BETWEEN MAKER AND PAYEE RELATING TO THE SUBJECT MATTER OF THIS
TRANSACTION OR ANY RELATED TRANSACTIONS, AND/OR THE RELATIONSHIP THAT IS BEING ESTABLISHED
BETWEEN MAKER AND PAYEE. THE SCOPE OF THIS WAIVER IS INTENDED TO BE ALL ENCOMPASSING OF ANY
AND ALL DISPUTES THAT MAY BE FILED IN ANY COURT (INCLUDING, WITHOUT LIMITATION, CONTRACT
CLAIMS, TORT CLAIMS, BREACH OF DUTY CLAIMS, AND ALL OTHER COMMON LAW AND STATUTORY CLAIMS.)
THIS WAIVER IS IRREVOCABLE, MEANING THAT IT MAY NOT BE MODIFIED EITHER ORALLY OR IN WRITING,
AND THE WAIVER SHALL APPLY TO ANY SUBSEQUENT AMENDMENTS, RENEWALS, SUPPLEMENTS OR MODIFICATIONS
TO THIS NOTE, ANY RELATED DOCUMENTS, OR TO ANY OTHER DOCUMENTS OR AGREEMENTS RELATING TO THIS
TRANSACTION OR ANY RELATED TRANSACTION. IN THE EVENT OF LITIGATION, THIS NOTE MAY BE FILED AS
A WRITTEN CONSENT TO A TRIAL BY THE COURT.

This Note and any Security Agreement constitute the entire agreement of the Maker and Payee
with respect to the subject matter hereof and supercedes all prior understandings, agreements
and representations, express or implied.

No variation or modification of this Note, or any waiver of any of its provisions or
conditions, shall be valid unless in writing and signed by an authorized representative of
Maker and Payee. Any such waiver, consent, modification or change shall be effective only in
the specific instance and for the specific purpose given.

Any provision in this Note or any Security Agreement which is in conflict with any statute, law
or applicable rule shall be deemed omitted, modified or altered to conform thereto.

Upon receipt of an affidavit of an officer of Payee as to the loss, theft, destruction or
mutilation of this Note or any Debt Document which is not of public record, and, in the case of
any such loss, theft, destruction or mutilation, upon surrender and cancellation of such Note
or other Debt Document, Maker will issue, in lieu thereof, a replacement Note or other Debt
Document in the same principal amount thereof and otherwise of like tenor.

It is understood and agreed that this Note and all of the Debt Documents were negotiated and
have been or will be delivered to Payee in the Commonwealth of Virginia, which State the
parties agree has a substantial relationship to the parties and to the underlying transactions
embodied by this Note and the Debt Documents. Maker agrees to furnish to Payee at Payee’s
office in Alexandria, VA, all further instruments, certifications and documents to be furnished
hereunder. The parties also agree that if collateral is pledged to secure the debt evidenced
by this Note, that the state or states in which such collateral is located each have a
substantial relationship to the parties and to the underlying transaction embodied by this Note
and the Debt Documents.

MAKER AGREES THAT THE PAYEE OF THIS NOTE SHALL HAVE THE OPTION BY WHICH STATE LAWS THIS NOTE
SHALL BE GOVERNED AND CONSTRUED: (A) THE LAWS OF THE COMMONWEALTH OF VIRGINIA; OR (B) IF
COLLATERAL HAS BEEN PLEDGED TO SECURE THE DEBT EVIDENCED BY THIS NOTE, THEN BY THE LAWS OF THE
STATE OR STATES WHERE THE COLLATERAL IS LOCATED, AT PAYEE’S OPTION. THIS CHOICE OF STATE LAWS
IS EXCLUSIVE TO THE PAYEE OF THIS NOTE. MAKER SHALL NOT HAVE ANY OPTION TO CHOOSE THE LAWS BY
WHICH THIS NOTE SHALL BE GOVERNED. MAKER AND GUARANTORS HEREBY CONSENT TO THE EXERCISE OF
JURISDICTION OVER IT BY ANY FEDERAL COURT SITTING IN VIRGINIA OR ANY VIRGINIA COURT SELECTED BY
PAYEE, FOR THE PURPOSES OF ANY AND ALL LEGAL PROCEEDINGS ARISING OUT OF OR RELATING TO THE
NOTE, THE LOAN AGREEMENT AND ALL OTHER DOCUMENTS. MAKER AND GUARANTORS IRREVOCABLY WAIVE, TO
THE FULLEST EXTENT PERMITTED BY LAW, ANY OBJECTION WHICH IT MAY NOW OR HEREAFTER HAVE TO THE
LAYING OF VENUE OF ANY SUCH PROCEEDING BROUGHT IN ANY SUCH COURT, ANY CLAIM BASED ON THE
CONSOLIDATION OF PROCEEDINGS IN SUCH COURTS IN WHICH PROPER VENUE MAY LIE IN DIVERGENT
JURISDICTIONS, AND ANY CLAIM THAT ANY SUCH PROCEEDING BROUGHT IN ANY SUCH COURT HAS BEEN
BROUGHT IN AN INCONVENIENT FORUM. MAKER AND GUARANTORS HEREBY IRREVOCABLY WAIVE, TO THE
FULLEST EXTENT PERMITTED BY LAW, ANY AND ALL RIGHT TO TRIAL BY JURY IN ANY LEGAL PROCEEDING
ARISING OUT OF OR RELATING TO THIS NOTE, THE OTHER DOCUMENTS OR THE TRANSACTIONS CONTEMPLATED
THEREBY.

	 
	 

	ALTUS PHARMACEUTICALS INC.

By: /s/ Jonathan I. Lieber

 Name: Jonathan I. Lieber

	 

	 Title: Vice President, Chief Financial Officer and Treasurer

	 

	Federal Tax ID #: 04-3573277

	 

	Address: 125 Sidney Street

Cambridge, MA 02139

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