EX-4.2



 Exhibit 4.2 

FIRST SUPPLEMENTAL INDENTURE 

between 
 TPG SPECIALTY LENDING,
INC. 
 and 
 WELLS FARGO BANK,
NATIONAL ASSOCIATION, 
 as Trustee 

Dated as of January 22, 2018 
  

 
 FIRST SUPPLEMENTAL INDENTURE 

THIS FIRST SUPPLEMENTAL INDENTURE (this “First Supplemental Indenture”), dated as of January 22, 2018, between TPG Specialty
Lending, Inc., a Delaware corporation (the “Company”), and Wells Fargo Bank, National Association, as trustee (the “Trustee”). All capitalized terms used herein shall have the meaning set forth in the Base Indenture (as defined
below) unless otherwise defined herein. 
 RECITALS OF THE COMPANY 

The Company and the Trustee executed and delivered an Indenture, dated as of January 22, 2018 (the “Base Indenture” and, as
supplemented by this First Supplemental Indenture, collectively, the “Indenture”), to provide for the issuance by the Company from time to time of the Company’s unsecured debentures, notes or other evidences of indebtedness (the
“Securities”), to be issued in one or more series as provided in the Indenture. 
 The Company desires to issue and sell
$150,000,000 aggregate principal amount of the Company’s 4.500% Notes due 2023 (the “Notes”). 
 Sections 9.01(v) and
9.01(vii) of the Base Indenture provide that without the consent of Holders of the Securities of any series issued under the Indenture, the Company, when authorized by or pursuant to a Board Resolution, and the Trustee, at any time and from time to
time, may enter into one or more indentures supplemental to the Base Indenture to (i) change or eliminate any of the provisions of the Indenture when there is no Security Outstanding of any series created prior to the execution of a
supplemental indenture that is entitled to the benefit of such provision and (ii) establish the form or terms of Securities of any series as permitted by Section 2.01 and Section 3.01 of the Base Indenture. 

The Company desires to establish the form and terms of the Notes and to modify, alter, supplement and change certain provisions of the Base
Indenture for the benefit of the Holders of the Notes (except as may be provided in a future supplemental indenture to the Indenture (“Future Supplemental Indenture”)). 

The Company has duly authorized the execution and delivery of this First Supplemental Indenture to provide for the issuance of the Notes and
all acts and things necessary to make this First Supplemental Indenture a valid, binding, and legal obligation of the Company and to constitute a valid agreement of the Company, in accordance with its terms, have been done and performed. 







 NOW, THEREFORE, THIS INDENTURE WITNESSETH: 

For and in consideration of the premises and the purchase of the Notes by the Holders thereof, it is mutually agreed, for the equal and
proportionate benefit of all Holders of the Notes, as follows: 
 ARTICLE I 

TERMS OF THE NOTES 

Section 1.01.    Terms of the Notes. The following terms relating to the Notes are hereby established: 

(a)    The Notes shall constitute a series of Securities having the title “4.500% Notes due 2023” and shall be
designated as Senior Securities under the Indenture. The Notes shall bear a CUSIP number of 87265K AE2 and an ISIN number of US87265KAE29. 

(b)    The aggregate principal amount of the Notes that may be initially authenticated and delivered under the Indenture
(except for Notes authenticated and delivered upon registration of, transfer of, or in exchange for, or in lieu of, other Notes pursuant to Sections 3.04, 3.05, 3.06, 9.06 or 11.07 of the Base Indenture) shall be $150,000,000. Under a Board
Resolution, Officers’ Certificate pursuant to Board Resolutions or an indenture supplement, the Company may from time to time, without the consent of the Holders of Notes, issue additional Notes (in any such case “Additional Notes”)
having the same ranking and the same interest rate, maturity, CUSIP number and other terms as the Notes; provided that such Additional Notes either (i) be issued in a “qualified reopening” for U.S. Federal income tax purposes,
with no more than a de minimis amount of original issue discount, or otherwise (ii) must be part of the same issue as the Notes for U.S. federal income tax purposes. Any Additional Notes and the existing Notes will constitute a single series
under the Indenture and all references to the relevant Notes herein shall include the Additional Notes unless the context otherwise requires. 

(c)    The entire Outstanding principal amount of the Notes shall be payable on January 22, 2023, unless earlier
redeemed or repurchased in accordance with the provisions of this First Supplemental Indenture. 
 (d)    The rate at
which the Notes shall bear interest shall be 4.500% per annum (the “Applicable Interest Rate”). The date from which interest shall accrue on the Notes shall be January 22, 2018, or the most recent Interest Payment Date to which
interest has been paid or provided for; the Interest Payment Dates for the Notes shall be January 22 and July 22 of each year, commencing July 22, 2018 (if an Interest Payment Date falls on a day that is not a Business Day, then the
applicable interest payment will be made on the next succeeding Business Day with the same force and effect as if made on the scheduled Interest Payment Date and no additional interest will accrue as a result of such delayed payment); the initial
interest period will be the period from and including January 22, 2018 (or the most recent Interest Payment Date to which interest has been paid or provided for), to, but excluding, the initial Interest Payment Date, and the subsequent interest
periods will be the periods from and including an Interest Payment Date to, but excluding, the next Interest Payment Date or the Stated Maturity, as the case may be; the interest so payable, and punctually paid or duly provided for, on any Interest
Payment Date, will be paid to the Person in whose name the Note (or one or more predecessor Notes) is registered at the close of business on the Regular Record Date for such interest, which shall be January 7 and July 7 (whether or not a
Business Day), as the case may be, next preceding such Interest Payment Date. Payment of principal of (and premium, if any) and any such interest on the Notes will be made at the Corporate Trust Office of the Paying Agent, which shall initially be
the Trustee, in such coin or currency of the United States of America as at the time of payment is legal tender for payment of public and private debts; provided, however, that in the case of Notes that are not in global form, at the option of the
Company, payment of interest may be made by check mailed to the address of the Person entitled thereto as such address shall appear in the Security Register. Interest on the Notes will be computed on the basis of a
360-day year of twelve 30-day months. 

  
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 (e)    The Notes shall be initially issuable in global form (each such Note,
a “Global Note”). The Global Notes and the Trustee’s certificate of authentication thereon shall be substantially in the form of Exhibit A to this First Supplemental Indenture. Each Global Note shall
represent the Outstanding Notes as shall be specified therein and each shall provide that it shall represent the aggregate amount of Outstanding Notes from time to time endorsed thereon and that the aggregate amount of Outstanding Notes represented
thereby may from time to time be reduced or increased, as appropriate, to reflect exchanges and redemptions. Any endorsement of a Global Note to reflect the amount of any increase or decrease in the amount of Outstanding Notes represented thereby
shall be made by the Trustee or the Security Registrar, in accordance with Sections 2.03 and 3.05 of the Base Indenture. 

(f)    The depositary for such Global Notes shall be the Depositary Custodian. The Security Registrar with respect to the
Global Notes shall be the Trustee. 
 (g)    The Notes shall be defeasible pursuant to Section 14.02 or
Section 14.03 of the Base Indenture. Covenant defeasance contained in Section 14.03 of the Base Indenture shall apply to the covenants contained in Sections 10.06, 10.07 and 10.08 of the Indenture. 

(h)    The Notes shall be redeemable pursuant to Section 11.01 of the Base Indenture and as follows: 

(i)    The Notes will be redeemable, in whole or in part, at any time, or from time to time, at the option of the Company,
at a Redemption Price equal to the greater of the following amounts, plus, in each case, accrued and unpaid interest to the Redemption Date: 
  

	 	(a)	100% of the principal amount of the Notes to be redeemed, or 

  

	 	(b)	the sum of the present values of the remaining scheduled payments of principal and interest (exclusive of accrued and unpaid interest to the Redemption Date) on the Notes to be redeemed, discounted to the Redemption
Date on a semi-annual basis (assuming a 360-day year consisting of twelve 30-day months) using the applicable Treasury Rate plus
35 basis points; 

 provided, however, that if the Company redeems any Notes on or after December 22, 2022, the Redemption Price for the
Notes will be equal to 100% of the principal amount of the Notes to be redeemed, plus accrued and unpaid interest, if any, to, but excluding, the date of redemption. 

For purposes of calculating the Redemption Price in connection with the redemption of the Notes, on any Redemption Date, the following terms
have the meanings set forth below: 
 “Treasury Rate” means, with respect to any Redemption Date, the rate per annum equal to the
semi-annual equivalent yield-to-maturity of the Comparable Treasury Issue (computed as of the third Business Day immediately preceding the redemption), assuming a price
for the Comparable Treasury Issue (expressed as a percentage of its principal amount) equal to the Comparable Treasury Price for such Redemption Date. The Redemption Price and the Treasury Rate will be determined by the Company. 

“Comparable Treasury Issue” means the United States Treasury security selected by the Reference Treasury Dealer as having a maturity
comparable to the remaining term of the Notes to be redeemed that would be utilized, at the time of selection and in accordance with customary financing practice, in pricing new issues of corporate debt securities of comparable maturity to the
remaining term of the Notes being redeemed. 

  
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 “Comparable Treasury Price” means (1) the average of the remaining Reference
Treasury Dealer Quotations for the Redemption Date, after excluding the highest and lowest Reference Treasury Dealer Quotations, or (2) if the Quotation Agent obtains fewer than four such Reference Treasury Dealer Quotations, the average of all
such quotations. 
 “Quotation Agent” means a Reference Treasury Dealer selected by the Company. 

“Reference Treasury Dealer” means each of (1) Merrill Lynch, Pierce, Fenner & Smith Incorporated and (2) J.P.
Morgan Securities LLC, or their respective affiliates which are primary U.S. government securities dealers and their respective successors; provided, however, that if any of the foregoing or their affiliates shall cease to be a primary
U.S. government securities dealer in the United States (a “Primary Treasury Dealer”), the Company shall select another Primary Treasury Dealer. 

“Reference Treasury Dealer Quotations” means, with respect to each Reference Treasury Dealer and any Redemption Date, the average,
as determined by the Quotation Agent, of the bid and asked prices for the Comparable Treasury Issue (expressed in each case as a percentage of its principal amount) quoted in writing to the Quotation Agent by such Reference Treasury Dealer at 3:30
p.m. New York time on the third Business Day preceding such Redemption Date. 
 All determinations made by any Reference Treasury
Dealer, including the Quotation Agent, with respect to determining the Redemption Price will be final and binding absent manifest error. 

(ii)    Notice of redemption shall be given in writing and mailed, first-class postage prepaid or by overnight courier
guaranteeing next-day delivery, or sent electronically in accordance with Applicable Procedures with respect to Notes in global form, to each Holder of the Notes to be redeemed, not less than thirty
(30) nor more than sixty (60) days prior to the Redemption Date, at the Holder’s address appearing in the Security Register. All notices of redemption shall contain the information set forth in Section 11.04 of the Base
Indenture. If the Redemption Price is not known at the time such notice is to be given, the actual Redemption Price, calculated as described in the terms of the Notes, will be set forth in an Officers’ Certificate of the Company delivered to
the Trustee no later than two Business Days prior to the Redemption Date. 
 (iii)    Any exercise of the Company’s
option to redeem the Notes will be done in compliance with the Investment Company Act, to the extent applicable. 

(iv)    If the Company elects to redeem only a portion of the Notes, the particular Notes to be redeemed will be selected
by the Trustee in accordance with the applicable procedures of the Depositary and in accordance with the Investment Company Act; provided, however, that no such partial redemption shall reduce the portion of the principal amount of a
Note not redeemed to less than $2,000. 
 (v)    Unless the Company defaults in payment of the Redemption Price, on and
after the Redemption Date, interest will cease to accrue on the Notes called for redemption hereunder. 
 (i)    The
Notes shall not be subject to any sinking fund pursuant to Section 12.01 of the Base Indenture. 

  
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 (j)    The Notes shall be issuable in denominations of $2,000 and integral
multiples of $1,000 in excess thereof. 
 (k)    Holders of the Notes will not have the option to have the Notes repaid
prior to the Stated Maturity other than in accordance with Article Thirteen of the Indenture. 
 ARTICLE II 

DEFINITIONS AND OTHER PROVISIONS OF GENERAL APPLICATION 

Section 2.01.    Except as may be provided in a Future Supplemental Indenture, for the benefit of the Holders of the
Notes but no other series of Securities under the Indenture, whether now or hereafter issued and Outstanding, Article One of the Base Indenture shall be amended by adding the following defined terms to Section 1.01 of the Base Indenture in
appropriate alphabetical sequence, as follows: 
 “Below Investment Grade Rating Event” means the Notes are downgraded
below Investment Grade by both Rating Agencies on any date from the date of the public notice of an arrangement that results in a Change of Control until the end of the 60-day period following public notice of
the occurrence of a Change of Control (which period shall be extended so long as the rating of the Notes is under publicly announced consideration for possible downgrade by either of the Rating Agencies); provided that a Below Investment
Grade Rating Event otherwise arising by virtue of a particular reduction in rating shall not be deemed to have occurred in respect of a particular Change of Control (and thus shall not be deemed a Below Investment Grade Rating Event for purposes of
the definition of Change of Control Repurchase Event hereunder) if the Rating Agencies making the reduction in rating to which this definition would otherwise apply do not announce or publicly confirm or inform the Company in writing that the
reduction was the result, in whole or in part, of any event or circumstance comprised of or arising as a result of, or in respect of, the applicable Change of Control (whether or not the applicable Change of Control shall have occurred at the time
of the Below Investment Grade Rating Event). 
 “Change of Control” means the occurrence of any of the following: 

(1) the direct or indirect sale, lease, transfer, conveyance or other disposition (other than by way of merger or consolidation) in one or a
series of related transactions, of all or substantially all of the assets of the Company and its Controlled Subsidiaries taken as a whole to any “person” or “group” (as those terms are used in Section 13(d)(3) of the
Exchange Act), other than to any Permitted Holders; provided that, for the avoidance of doubt, a pledge of assets pursuant to any secured debt instrument of the Company or its Controlled Subsidiaries shall not be deemed to be any such sale,
lease, transfer, conveyance or disposition; 
 (2) the consummation of any transaction (including, without limitation, any merger or
consolidation) the result of which is that any “person” or “group” (as those terms are used in Section 13(d)(3) of the Exchange Act) (other than any Permitted Holders) becomes the “beneficial owner” (as defined in
Rules 13d-3 and 13d-5 under the Exchange Act), directly or indirectly, of more than 50% of the outstanding Voting Stock of the Company, measured by voting power rather
than number of shares; or 
 (3) the approval by the Company’s stockholders of any plan or proposal relating to the liquidation or
dissolution of the Company. 
 “Change of Control Repurchase Event” means the occurrence of a Change of Control and a Below
Investment Grade Rating Event. 

  
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 “Depositary” means, with respect to each Note in global form, The Depository
Trust Company, until a successor shall have been appointed and becomes such person, and thereafter, Depositary shall mean or include such successor. 

“Fitch” means Fitch, Inc., also known as Fitch Ratings, or any successor thereto. 

“Investment Grade” means a rating of BBB- or better by Fitch (or its equivalent under
any successor rating categories of Fitch) and BBB- or better by S&P (or its equivalent under any successor rating categories of S&P) (or, in each case, if such Rating Agency ceases to rate the Notes
for reasons outside of the Company’s control, the equivalent investment grade credit rating from any Rating Agency selected by the Company as a replacement Rating Agency). 

“Permitted Holders” means (i) the Company, (ii) one or more of the Company’s Controlled Subsidiaries and
(iii) TSL Advisers LLC or any Affiliate of TSL Advisers LLC that is organized under the laws of a jurisdiction located in the United States of America and in the business of managing or advising clients. 

“Rating Agency” means (1) each of Fitch and S&P; and (2) if either of Fitch or S&P ceases to rate the Notes
or fails to make a rating of the Notes publicly available for reasons outside of the Company’s control, a “nationally recognized statistical rating organization” as defined in Section 3(a)(62) of the Exchange Act selected by the
Company as a replacement agency for Fitch or S&P, or both, as the case may be. 
 “S&P” means Standard &
Poor’s Ratings Services, a division of McGraw-Hill, Inc., or any successor thereto. 
 “Voting Stock” as applied to
stock of any Person, means shares, interests, participations or other equivalents in the equity interest (however designated) in such Person having ordinary voting power for the election of a majority of the directors (or the equivalent) of such
Person, other than shares, interests, participations or other equivalents having such power only by reason of the occurrence of a contingency. 

ARTICLE III 
 THE TRUSTEE 

Section 3.01.    Neither the Trustee nor any Paying Agent shall be responsible for determining whether any Change of
Control or Below Investment Grade Rating Event has occurred and whether any Change of Control offer with respect to the Notes is required. 

ARTICLE IV 
 OFFER TO REPURCHASE
UPON A CHANGE OF CONTROL REPURCHASE EVENT 
 Section 4.01.    Except as may be provided in a Future Supplemental
Indenture, for the benefit of the Holders of the Notes but no other series of 

  
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Securities under the Indenture, whether now or hereafter issued and Outstanding, Article Thirteen of the Base Indenture shall be amended by replacing Sections 13.01 to 13.05 thereto with the
following: 
 “Section 13.01    Change of Control. 

If a Change of Control Repurchase Event occurs, unless the Company shall have exercised its right to redeem the Notes in full, the Company
shall make an offer to each Holder of the Notes to repurchase all or any part (in minimum denominations of $2,000 and integral multiples of $1,000 principal amount thereabove) of that Holder’s Notes at a repurchase price in cash equal to 100%
of the aggregate principal amount of Notes repurchased plus any accrued and unpaid interest on the Notes repurchased to the date of purchase. Within 30 days following any Change of Control Repurchase Event or, at the Company’s option, prior to
any Change of Control, but after the public announcement of the Change of Control, the Company will send a notice to each Holder and the Trustee describing the transaction or transactions that constitute or may constitute the Change of Control
Repurchase Event and offering to repurchase Notes on the payment date specified in the notice, which date will be no earlier than 30 days and no later than 60 days from the date such notice is sent. The notice shall, if sent prior to the date of
consummation of the Change of Control, state that the offer to purchase is conditioned on the Change of Control Repurchase Event occurring on or prior to the payment date specified in the notice. The Company shall comply with the requirements of
Rule 14e-1 under the Exchange Act and any other securities laws and regulations thereunder to the extent those laws and regulations are applicable in connection with the repurchase of the Notes as a result of
a Change of Control Repurchase Event. 
 To the extent that the provisions of any securities laws or regulations conflict with this
Section 13.01, the Company shall comply with the applicable securities laws and regulations and shall not be deemed to have breached its obligations under this Section 13.01 by virtue of such conflict. 

On the Change of Control Repurchase Event payment date, subject to extension if necessary to comply with the provisions of the Investment
Company Act, the Company shall, to the extent lawful: 
 (1)    accept for payment all Notes or portions of Notes
properly tendered pursuant to its offer; 
 (2)    deposit with the Paying Agent an amount equal to the aggregate
purchase price in respect of all Notes or portions of Notes properly tendered; and 
 (3)    deliver or cause to be
delivered to the Trustee the Notes properly accepted, together with an Officers’ Certificate stating the aggregate principal amount of Notes being purchased by the Company. 

The Paying Agent will promptly remit to each Holder of Notes properly tendered the purchase price for the Notes, and the Trustee will promptly
authenticate and mail (or cause to be transferred by book-entry) to each Holder a new Note equal in principal amount to any unpurchased portion of any Notes surrendered; provided that each new Note will be in a minimum principal amount of
$2,000 or an integral multiple of $1,000 in excess thereof. 
 If any Repayment Date upon a Change of Control Repurchase Event falls on a
day that is not a Business Day, then the required payment will be made on the next succeeding Business Day and no additional interest will accrue as a result of such delayed payment. 

The Company will not be required to make an offer to repurchase the Notes upon a Change of Control Repurchase Event if a third party makes an
offer in respect of the Notes in the manner, at the time and otherwise in compliance with the requirements for an offer made by the Company and such third party purchases all Notes properly tendered and not withdrawn under its offer.” 

  
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 ARTICLE V 

MISCELLANEOUS 

Section 5.01.    This First Supplemental Indenture and the Notes shall be governed by and construed in accordance
with the laws of the State of New York, without regard to principles of conflicts of laws that would cause the application of laws of another jurisdiction. This First Supplemental Indenture is subject to the provisions of the Trust Indenture Act
that are required to be part of the Indenture and shall, to the extent applicable, be governed by such provisions. If any provision of the Indenture limits, qualifies or conflicts with the duties imposed by Section 318(c) of the Trust Indenture
Act, the imposed duties will control. 
 Section 5.02.    In case any provision in this First Supplemental
Indenture or in the Notes shall be invalid, illegal or unenforceable, the validity, legality and enforceability of the remaining provisions shall not in any way be affected or impaired thereby. 

Section 5.03.    This First Supplemental Indenture may be executed in any number of counterparts, each of which will
be an original, but such counterparts will together constitute but one and the same First Supplemental Indenture. The exchange of copies of this First Supplemental Indenture and of signature pages by facsimile, .pdf transmission, email or other
electronic means shall constitute effective execution and delivery of this First Supplemental Indenture for all purposes. Signatures of the parties hereto transmitted by facsimile, .pdf transmission, email or other electronic means shall be deemed
to be their original signatures for all purposes. 
 Section 5.04.    The Base Indenture, as supplemented and
amended by this First Supplemental Indenture, is in all respects ratified and confirmed, and the Base Indenture and this First Supplemental Indenture shall be read, taken and construed as one and the same instrument with respect to the Notes. All
provisions included in this First Supplemental Indenture supersede any conflicting provisions included in the Base Indenture with respect to the Notes, unless not permitted by law. The Trustee accepts the trusts created by the Indenture, as
supplemented by this First Supplemental Indenture, and agrees to perform the same upon the terms and conditions of the Indenture, as supplemented by this First Supplemental Indenture. All of the provisions contained in the Base Indenture in respect
of the rights, privileges, immunities, powers, and duties of the Trustee shall be applicable in respect of this First Supplemental Indenture as fully and with like force and effect as though fully set forth in full herein. 

Section 5.05.    The provisions of this First Supplemental Indenture shall become effective as of the date hereof.

 Section 5.06.    Notwithstanding anything else to the contrary herein, the terms and provisions of this First
Supplemental Indenture shall apply only to the Notes and shall not apply to any other series of Securities under the Indenture and this First Supplemental Indenture shall not and does not otherwise affect, modify, alter, supplement or change the
terms and provisions of any other series of Securities under the Indenture, whether now or hereafter issued and Outstanding. 

Section 5.07.    The recitals contained herein and in the Notes shall be taken as the statements of the Company, and
the Trustee assumes no responsibility for their correctness. The Trustee makes no representations as to and shall not be responsible for the validity or sufficiency of this First Supplemental Indenture, the Notes or any Additional Notes, except that
the Trustee represents that it is duly authorized to execute and deliver this First Supplemental Indenture, authenticate the Notes and any Additional Notes and perform its obligations hereunder. The Trustee shall not be accountable for the use or
application by the Company of the Notes or any Additional Notes or the proceeds thereof. 

  
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 IN WITNESS WHEREOF, the parties hereto have caused this First Supplemental Indenture to be duly
executed as of the date first above written. 
  

			
	TPG SPECIALTY LENDING, INC.
		
	By:	 	 /s/ Ian T. Simmonds

	Name:	 	Ian T. Simmonds
	Title:	 	Chief Financial Officer
	
	WELLS FARGO BANK, NATIONAL ASSOCIATION, as Trustee
		
	By:	 	 /s/ Yana Kislenko

	Name:	 	Yana Kislenko
	Title:	 	Vice President



  
 [Signature Page to First
Supplemental Indenture] 








 Exhibit A – Form of Global Note 

THIS SECURITY IS A GLOBAL NOTE WITHIN THE MEANING OF THE INDENTURE HEREINAFTER REFERRED TO AND IS REGISTERED IN THE NAME OF THE DEPOSITORY
TRUST COMPANY OR A NOMINEE THEREOF. THIS SECURITY MAY NOT BE EXCHANGED IN WHOLE OR IN PART FOR A SECURITY REGISTERED, AND NO TRANSFER OF THIS SECURITY IN WHOLE OR IN PART MAY BE REGISTERED, IN THE NAME OF ANY PERSON OTHER THAN THE DEPOSITORY TRUST
COMPANY OR A NOMINEE THEREOF, EXCEPT IN THE LIMITED CIRCUMSTANCES DESCRIBED IN THE INDENTURE. 
 Unless this certificate is presented by
an authorized representative of The Depository Trust Company to the issuer or its agent for registration of transfer, exchange or payment and such certificate issued in exchange for this certificate is registered in the name of Cede & Co.,
or such other name as requested by an authorized representative of The Depository Trust Company, any transfer, pledge or other use hereof for value or otherwise by or to any person is wrongful, as the registered owner hereof, Cede & Co.,
has an interest herein. 
 TPG Specialty Lending, Inc. 

 

			
	No.         	  	Initially $            
		  	CUSIP No. 87265K AE2
		  	ISIN No. US87265KAE29

 4.500% Notes due 2023 

TPG Specialty Lending, Inc., a corporation duly organized and existing under the laws of Delaware (herein called the “Company”,
which term includes any successor Person under the Indenture hereinafter referred to), for value received, hereby promises to pay to Cede & Co., or registered assigns, the principal sum of         
(U.S. $        ), or such other principal sum as shall be set forth in the Schedule of Increases or Decreases attached hereto, on January 22, 2023, and to pay interest thereon from January 22, 2018
or from the most recent Interest Payment Date to which interest has been paid or duly provided for, semi-annually on January 22 and July 22 in each year, commencing July 22, 2018, at the rate of 4.500% per annum, until the principal
hereof is paid or made available for payment. The interest so payable, and punctually paid or duly provided for, on any Interest Payment Date will, as provided in such Indenture, be paid to the Person in whose name this Security is registered at the
close of business on the Regular Record Date for such interest, which shall be January 7 and July 7 (whether or not a Business Day), as the case may be, next preceding such Interest Payment Date. Any such interest not so punctually paid or
duly provided for will forthwith cease to be payable to the Holder on such Regular Record Date and may either be paid to the Person in whose name this Security is registered at the close of business on a Special Record Date for the payment of such
Defaulted Interest to be fixed by the Company, notice whereof shall be given to Holders of Securities of this series not less than 10 days prior to such Special Record Date, or be paid at any time in any other lawful manner not inconsistent with the
requirements of any securities exchange on which the Securities of this series may be listed, and upon such notice as may be required by such exchange, all as more fully provided in said Indenture. This Security may be issued as part of a series.

 Payment of the principal of (and premium, if any) and any such interest on this Security will be made at the Corporate Trust Office of
the Paying Agent, which shall initially be the Trustee, in such coin or currency of the United States of America as at the time of payment is legal tender for payment of public and private debts; provided, however, that at the option
of the Company payment of interest may be made by check mailed to the address of the Person entitled thereto as such address shall appear in the Security Register. 







 Reference is hereby made to the further provisions of this Security set forth on the reverse
hereof, which further provisions shall for all purposes have the same effect as if set forth at this place. 
 Unless the certificate of
authentication hereon has been executed by the Trustee referred to on the reverse hereof by manual signature, this Security shall not be entitled to any benefit under the Indenture or be valid or obligatory for any purpose. 

  
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 IN WITNESS WHEREOF, the Company has caused this instrument to be duly executed. 

Dated:                      

 

			
	TPG SPECIALTY LENDING, INC.
		
	By:	 	
                     
                    

		 	Name:
		 	Title:



  
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 This is one of the Securities of the series designated therein referred to in the
within-mentioned Indenture. 
 Dated:
                     
  

			
	 WELLS FARGO BANK, NATIONAL ASSOCIATION,

as Trustee

		
	By:	 	
                     
                                         
           

		 	Authorized Signatory



  
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 [BACK OF NOTE] 

TPG Specialty Lending, Inc. 

4.500% Notes due 2023 
 This
Security is one of a duly authorized issue of securities of the Company (herein called the “Securities”), issued and to be issued in one or more series under an Indenture, dated as of January 22, 2018 (herein called the “Base
Indenture”, which term shall have the meaning assigned to it in such instrument), between the Company and Wells Fargo Bank, National Association, as Trustee (herein called the “Trustee”, which term includes any successor trustee under
the Base Indenture), and reference is hereby made to the Base Indenture for a statement of the respective rights, limitations of rights, duties and immunities thereunder of the Company, the Trustee, and the Holders of the Securities and of the terms
upon which the Securities are, and are to be, authenticated and delivered, as supplemented the First Supplemental Indenture, relating to the Securities, dated as of January 22, 2018, by and between the Company and the Trustee (herein called the
“First Supplemental Indenture”; and together with the Base Indenture, the “Indenture”). In the event of any conflict between the Base Indenture and the First Supplemental Indenture, the First Supplemental Indenture shall govern
and control. 
 This Security is one of the series designated on the face hereof, initially limited in aggregate principal amount to
$        . Under a Board Resolution, Officers’ Certificate pursuant to Board Resolutions or an indenture supplement, the Company may from time to time, without the consent of the Holders of Securities,
issue additional Securities of this series (in any such case “Additional Securities”) having the same ranking and the same interest rate, maturity, CUSIP number and other terms as the Securities, provided that such Additional
Securities either (i) be issued in a “qualified reopening” for U.S. Federal income tax purposes, with no more than a de minimis amount of original issue discount, or otherwise (ii) must be part of the same issue as the Securities
for U.S. federal income tax purposes. Any Additional Securities and the existing Securities will constitute a single series under the Indenture and all references to the relevant Securities herein shall include the Additional Securities unless the
context otherwise requires. The aggregate amount of Outstanding Securities represented hereby may from time to time be reduced or increased, as appropriate, to reflect exchanges and redemptions. 

The Securities of this series are subject to redemption in whole or in part at any time or from time to time, at the option of the Company, at
a Redemption Price equal to the greater of the following amounts, plus, in each case, accrued and unpaid interest to the Redemption Date: 
  

	 	(a)	100% of the principal amount of the Securities to be redeemed, or 

  

	 	(b)	the sum of the present values of the remaining scheduled payments of principal and interest (exclusive of accrued and unpaid interest to the Redemption Date) on the Securities to be redeemed, discounted to the
Redemption Date on a semi-annual basis (assuming a 360-day year consisting of twelve 30-day months) using the applicable Treasury Rate plus 35 basis points;


 provided, however, that if the Company redeems any Securities on or after December 22, 2022, the Redemption Price for the Securities
will be equal to 100% of the principal amount of the Securities to be redeemed, plus accrued and unpaid interest, if any, to, but excluding, the Redemption Date. 

  
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 For purposes of calculating the Redemption Price in connection with the redemption of the
Securities, on any Redemption Date, the following terms have the meanings set forth below: 
 “Treasury Rate” means, with respect
to any Redemption Date, the rate per annum equal to the semi-annual equivalent yield-to-maturity of the Comparable Treasury Issue (computed as of the third Business Day
immediately preceding the redemption), assuming a price for the Comparable Treasury Issue (expressed as a percentage of its principal amount) equal to the Comparable Treasury Price for such Redemption Date. The Redemption Price and the Treasury Rate
will be determined by the Company. 
 “Comparable Treasury Issue” means the United States Treasury security selected by the
Reference Treasury Dealer as having a maturity comparable to the remaining term of the Securities to be redeemed that would be utilized, at the time of selection and in accordance with customary financing practice, in pricing new issues of corporate
debt securities of comparable maturity to the remaining term of the Securities being redeemed. 
 “Comparable Treasury Price”
means (1) the average of the remaining Reference Treasury Dealer Quotations for the Redemption Date, after excluding the highest and lowest Reference Treasury Dealer Quotations, or (2) if the Quotation Agent obtains fewer than four such
Reference Treasury Dealer Quotations, the average of all such quotations. 
 “Quotation Agent” means a Reference Treasury Dealer
selected by the Company. 
 “Reference Treasury Dealer” means each of (1) Merrill Lynch, Pierce, Fenner & Smith
Incorporated and (2) J.P. Morgan Securities LLC, or their affiliates which are primary U.S. government securities dealers and their respective successors; provided, however, that if any of the foregoing or their affiliates shall
cease to be a primary U.S. government securities dealer in the United States (a “Primary Treasury Dealer”), the Company shall select another Primary Treasury Dealer. 

“Reference Treasury Dealer Quotations” means, with respect to each Reference Treasury Dealer and any Redemption Date, the average,
as determined by the Quotation Agent, of the bid and asked prices for the Comparable Treasury Issue (expressed in each case as a percentage of its principal amount) quoted in writing to the Quotation Agent by such Reference Treasury Dealer at 3:30
p.m. New York time on the third Business Day preceding such Redemption Date. 
 All determinations made by any Reference Treasury Dealer,
including the Quotation Agent, with respect to determining the Redemption Price will be final and binding absent manifest error. 
 Notice
of redemption shall be given in writing and mailed, first-class postage prepaid or by overnight courier guaranteeing next-day delivery, or sent electronically in accordance with Applicable Procedures with
respect to Notes in global form, to each Holder of the Securities to be redeemed, not less than thirty (30) nor more than sixty (60) days prior to the Redemption Date, at the Holder’s address appearing in the Security Register. All
notices of redemption shall contain the information set forth in Section 11.04 of the Base Indenture. 
 Any exercise of the
Company’s option to redeem the Securities will be done in compliance with the Investment Company Act, to the extent applicable. 
 If
the Company elects to redeem only a portion of the Securities, the particular Securities to be redeemed will be selected by the Trustee in accordance with the applicable procedures of the Depository and in accordance with the Investment Company Act.
In the event of redemption of this Security in part only, a new Security or Securities of this series and of like tenor for the unredeemed portion hereof will be issued in the name of the Holder hereof upon the cancellation hereof; provided,
however, that no such partial redemption shall reduce the portion of the principal amount of a Security not redeemed to less than $2,000. 

  
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 Unless the Company defaults in payment of the Redemption Price, on and after the Redemption Date,
interest will cease to accrue on the Securities called for redemption. 
 Holders will have the right to require the Company to repurchase
their Securities upon the occurrence of a Change of Control Repurchase Event as set forth in the Indenture. 
 The Indenture contains
provisions for defeasance at any time of the entire indebtedness of this Security or certain restrictive covenants and Events of Default with respect to this Security, in each case upon compliance with certain conditions set forth in the Indenture.

 If an Event of Default with respect to Securities of this series shall occur and be continuing (other than Events of Default related to
certain events of bankruptcy, insolvency or reorganization as set forth in the Indenture), the principal of the Securities of this series may be declared due and payable in the manner and with the effect provided in the Indenture. In the case of
certain events of bankruptcy, insolvency or reorganization described in the Indenture, 100% of the principal of and accrued and unpaid interest on the Securities will automatically become due and payable. 

The Indenture permits, with certain exceptions as therein provided, the amendment thereof and the modification of the rights and obligations
of the Company and the rights of the Holders of the Securities of each series to be affected under the Indenture at any time by the Company and the Trustee with the consent of the Holders of not less than a majority in principal amount of the
Securities at the time Outstanding of each series to be affected. The Indenture also contains provisions permitting the Holders of specified percentages in principal amount of the Securities of each series at the time Outstanding, on behalf of the
Holders of all Securities of such series, to waive compliance by the Company with certain provisions of the Indenture and certain past defaults under the Indenture and their consequences. Any such consent or waiver by the Holder of this Security
shall be conclusive and binding upon such Holder and upon all future Holders of this Security and of any Security issued upon the registration of transfer hereof or in exchange herefor or in lieu hereof, whether or not notation of such consent or
waiver is made upon this Security. 
 As provided in and subject to the provisions of the Indenture, the Holder of this Security shall not
have the right to institute any proceeding with respect to the Indenture or for the appointment of a receiver or trustee or for any other remedy thereunder, unless such Holder shall have previously given the Trustee written notice of a continuing
Event of Default with respect to the Securities of this series, the Holders of not less than 25% in principal amount of the Securities of this series at the time Outstanding shall have made written request to the Trustee to institute proceedings in
respect of such Event of Default as Trustee and offered the Trustee indemnity against the costs, expenses and liabilities to be incurred in compliance with such request, and the Trustee shall not have received from the Holders of a majority in
principal amount of Securities of this series at the time Outstanding a direction inconsistent with such request, and shall have failed to institute any such proceeding, for ninety (90) days after receipt of such notice, request and offer of
indemnity. The foregoing shall not apply to any suit instituted by the Holder of this Security for the enforcement of any payment of principal hereof or any premium or interest hereon on or after the respective due dates expressed herein. 

No reference herein to the Indenture and no provision of this Security or of the Indenture shall alter or impair the obligation of the
Company, which is absolute and unconditional, to pay the principal of and any premium and interest on this Security at the times, place and rate, and in the coin or currency, herein prescribed. 

  
 7 








 As provided in the Indenture and subject to certain limitations therein set forth, the transfer
of this Security is registrable in the Security Register, upon surrender of this Security for registration of transfer at the office or agency of the Company in any place where the principal of and any premium and interest on this Security are
payable, duly endorsed by, or accompanied by a written instrument of transfer in form satisfactory to the Company and the Security Registrar duly executed by, the Holder hereof or his attorney duly authorized in writing, and thereupon one or more
new Securities of this series and of like tenor, of authorized denominations and for the same aggregate principal amount, will be issued to the designated transferee or transferees. 

The Securities of this series are issuable only in registered form without coupons in denominations of $2,000 and any integral multiples of
$1,000 in excess thereof. As provided in the Indenture and subject to certain limitations therein set forth, Securities of this series are exchangeable for a like aggregate principal amount of Securities of this series and of like tenor of a
different authorized denomination, as requested by the Holder surrendering the same. 
 No service charge shall be made for any such
registration of transfer or exchange, but the Company or Trustee may require payment of a sum sufficient to cover any tax or other governmental charge payable in connection therewith. 

Prior to due presentment of this Security for registration of transfer, the Company, the Trustee and any agent of the Company or the Trustee
may treat the Person in whose name this Security is registered as the owner hereof for all purposes, whether or not this Security be overdue, and neither the Company, the Trustee nor any such agent shall be affected by notice to the contrary. 

All terms used in this Security which are defined in the Indenture shall have the meanings assigned to them in the Indenture. 

To the extent any provision of this Security conflicts with the express provisions of the Indenture, the provisions of the Indenture shall
govern and be controlling. 
 The Indenture and this Security shall be governed by and construed in accordance with the laws of the State of
New York, without regard to principles of conflicts of laws. 

  
 8 








 ASSIGNMENT FORM 

To assign this Note, fill in the form below: 

(I) or (we) assign and transfer this Note to:           
                                         
                                         
                                         
            

                        
                                    (INSERT
ASSIGNEE’S LEGAL NAME) 
  

                          
                                         
                                         
                                         
                                         
                         

(Insert assignee’s soc. sec. or tax I.D. no.) 
  

                          
                                         
                                         
                                         
                                         
                         
  

                          
                                         
                                         
                                         
                                         
                         
  

                          
                                         
                                         
                                         
                                         
                         
  

                          
                                         
                                         
                                         
                                         
                         

(Print or type assignee’s name, address and zip code) 

and irrevocably appoint                    
                                         
                                         
                                         
                                  

to transfer this Note on the books of the Company. The agent may substitute another to act for him. 

Date:                      

Your Signature:
                                         
                                         
                               

(Sign exactly as your name appears on the face of this
Note)                 
 Signature Guarantee*:
                                         
            
  

	*	Participant in a recognized Signature Guarantee Medallion Program (or other signature guarantor acceptable to the Trustee). 


  
 9 








 OPTION OF HOLDER TO ELECT PURCHASE 

If you want to elect to have this Note purchased by the Company pursuant to Section 13.01 of the Indenture, check the box below: 

☐  Section 13.01 

If you want to elect to have only part of the Note purchased by the Company pursuant to Section 13.01 of the Indenture, state the amount
you elect to have purchased: 
 $         

Date:                      

 

			
	Your Signature:	 	  

		 	(Sign exactly as your name appears on the face of this Note)
	
	Tax Identification No.:                              
                                         
               


 Signature Guarantee*:
                                         
    
  

	*	Participant in a recognized Signature Guarantee Medallion Program (or other signature guarantor acceptable to the Trustee). 


  
 10 








 SCHEDULE OF INCREASES AND DECREASES OF GLOBAL NOTE 

The Initial principal amount of this Global Note is $        . The following increases and decreases
to this Global Note have been made: 
  

									
	 Date of Increase or

Decrease
	  	
Amount of Decrease in
Principal Amount at
Maturity
of this Global Note
	  	
Amount of Increase in
Principal Amount at
Maturity
of this Global Note
	  	
Principal Amount at
Maturity
of this Global Note
Following such
decrease (or 
increase)
	  	
Signature of
Authorized Signatory
of Trustee or DTC
Custodian

		  		  		  		  	


  
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