Common use of Obligations Solely Contractual in Nature; No Fiduciary Relationship Clause in Contracts

Obligations Solely Contractual in Nature; No Fiduciary Relationship. The Depositor acknowledges and agrees that the responsibility to the Depositor of the Underwriters pursuant to this Agreement is solely contractual in nature and that none of the Underwriters or their affiliates will be acting in a fiduciary or advisory capacity, or will otherwise owe any fiduciary or advisory duty, to the Depositor pursuant to this Agreement in connection with the offering of the Underwritten Certificates and the other transactions contemplated by this Agreement. [Signature pages follow] If the foregoing is in accordance with your understanding of our agreement, please sign and return to us a counterpart hereof, whereupon this letter and your acceptance shall represent a binding agreement among the Depositor, Société Générale and the several Underwriters. Very truly yours, SG COMMERCIAL MORTGAGE SECURITIES, LLC By: Name: Title: SOCIETE GENERALE By: Name: Title: The foregoing Agreement is hereby confirmed and accepted as of the date first above written. SG AMERICAS SECURITIES, LLC By: Name: Title: [UNDERWRITER] By: Name: Title: [UNDERWRITER] By: Name: Title: SCHEDULE I Underwriting Agreement, dated as of [DATE]. Certificates: [CERTIFICATE CAPTION] Class Initial Aggregate Certificate Principal Balance or Notional Amount of Class Aggregate Certificate Principal Balance or Notional Amount of Class to be Purchased by [SG Americas Securities, LLC] Aggregate Certificate Principal Balance or Notional Amount of Class to be Purchased by [UNDERWRITER] Aggregate Certificate Principal Balance or Notional Amount of Class to be Purchased by [UNDERWRITER] Initial Pass-Through Rate Purchase Price(1) Class [A-1] Class [A-2] Class [A-3] Class [A-4] Class [A-SB] Class [A-S] [(2)] Class [X-A] Class [B] [(2)] Class [C] [(2)] Class [PEX] [(2)] Class [D]

Obligations Solely Contractual in Nature; No Fiduciary Relationship. The Depositor acknowledges and agrees that the responsibility to the Depositor of the Underwriters pursuant to this Agreement is solely contractual in nature and that none of the Underwriters or their affiliates will be acting in a fiduciary or advisory capacity, or will otherwise owe any fiduciary or advisory duty, to the Depositor pursuant to this Agreement in connection with the offering of the Underwritten Certificates and the other transactions contemplated by this Agreement. [Signature pages follow] If the foregoing is in accordance with your understanding of our agreement, please sign and return to us a counterpart hereof, whereupon this letter and your acceptance shall represent a binding agreement among the Depositor, Société Générale RBS and the several Underwriters. Very truly yours, SG RBS COMMERCIAL MORTGAGE SECURITIES, LLC FUNDING INC. By: Name: Title: SOCIETE GENERALE THE ROYAL BANK OF SCOTLAND PLC By: RBS Securities Inc., its agent By: Name: Title: The foregoing Agreement is hereby confirmed and accepted as of the date first above written. SG AMERICAS RBS SECURITIES INC. By: Name: Title: XXXXX FARGO SECURITIES, LLC By: Name: Title: [UNDERWRITER] DEUTSCHE BANK SECURITIES INC. By: Name: Title: [UNDERWRITER] By: Name: Title: SCHEDULE I Underwriting Agreement, dated as of [DATE]the date hereof, 2012. Certificates: [CERTIFICATE CAPTION] WFRBS Commercial Mortgage Trust 2012-C7, Commercial Mortgage Pass-Through Certificates, Series 2012-C7 Class Initial Aggregate Certificate Principal Balance or Notional Amount of Class Aggregate Certificate Principal Balance or Notional Amount Percentage Interest of Class to be Purchased by [SG Americas Securities, LLC] RBS Securities Inc. Aggregate Certificate Principal Balance or Notional Amount Percentage Interest of Class to be Purchased by [UNDERWRITER] Xxxxx Fargo Securities, LLC Aggregate Certificate Principal Balance or Notional Amount Percentage Interest of Class to be Purchased by [UNDERWRITER] Deutsche Bank Securities Inc. Initial Pass-Pass- Through Rate Purchase Price(1Price (1) Class [A-1] A-1 $ 189,518,000 $ 84,684,503 $ 104,833,497 $ 0 2.30000 % 100.9964 % Class [A-2] A-2 $ 493,237,000 $ 186,773,929 $ 231,213,071 $ 0 3.43100 % 101.9918 % Class [A-3] Class [A-4] Class [A-SB] S $ 82,796,000 $ 36,996,687 $ 45,799,313 $ 0 4.09000 % 101.9958 % Class [A-S] [(2)] B $ 57,956,000 $ 25,897,145 $ 32,058,855 $ 0 4.78616 % 101.9694 % Class [X-A] Class [B] [(2)] Class [C] [(2)] Class [PEX] [(2)] Class [D]C $ 41,398,000 $ 18,498,343 $ 22,899,657 $ 0 4.85116 % 89.9800 %

Obligations Solely Contractual in Nature; No Fiduciary Relationship. The Depositor acknowledges and agrees that the responsibility to the Depositor of the Underwriters pursuant to this Agreement is solely contractual in nature and that none of the Underwriters or their affiliates will be acting in a fiduciary or advisory capacity, or will otherwise owe any fiduciary or advisory duty, to the Depositor pursuant to this Agreement in connection with the offering of the Underwritten Certificates and the other transactions contemplated by this Agreement. [Signature pages follow] If the foregoing is in accordance with your understanding of our agreement, please sign and return to us a counterpart hereof, whereupon this letter and your acceptance shall represent a binding agreement among the Depositor, Société Générale Xxxxx Fargo Bank and the several Underwriters. Very truly yours, SG XXXXX FARGO COMMERCIAL MORTGAGE SECURITIES, LLC INC. By: Name: Title: SOCIETE GENERALE XXXXX FARGO BANK, NATIONAL ASSOCIATION By: Name: Title: The foregoing Agreement is hereby confirmed and accepted as of the date first above written. SG AMERICAS XXXXX FARGO SECURITIES, LLC By: Name: Title: [UNDERWRITER] RBS SECURITIES INC. By: Name: Title: [UNDERWRITER] CITIGROUP GLOBAL MARKETS INC. By: Name: Title: SCHEDULE I Underwriting Agreement, dated as of [DATE]March 16, 2012. Certificates: [CERTIFICATE CAPTION] WFRBS Commercial Mortgage Trust 2012-C6, Commercial Mortgage Pass-Through Certificates, Series 2012-C6 Class Initial Aggregate Certificate Principal Balance or Notional Amount of Class Aggregate Certificate Principal Balance or Notional Amount Percentage Interest of Class to be Purchased by [SG Americas Xxxxx Fargo Securities, LLC] LLC Aggregate Certificate Principal Balance or Notional Amount Percentage Interest of Class to be Purchased by [UNDERWRITER] RBS Securities Inc. Aggregate Certificate Principal Balance or Notional Amount Percentage Interest of Class to be Purchased by [UNDERWRITER] Citigroup Global Markets Inc. Initial Pass-Pass- Through Rate Purchase Price(1Price (1) Class [A-1] A-1 $57,427,000 $44,389,503 $13,037,497 $0 1.0810% 99.9985% Class [A-2] A-2 $136,818,000 $105,756,578 $31,061,422 $0 2.1910% 100.9998% Class [A-3] A-3 $67,832,000 $52,432,284 $15,399,716 $0 3.1430% 100.9947% Class [A-4] A-4 $385,428,000 $297,925,321 $87,502,679 $0 3.4400% 100.9955% Class [A-SB] S $100,595,000 $77,757,188 $22,837,812 $0 3.8350% 100.9939% Class [A-S] [(2)] Class [X-A] Class [B] [(2)] Class [C] [(2)] Class [PEX] [(2)] Class [D]B $42,781,000 $33,068,545 $9,712,455 $0 4.6970% 100.9975%

Obligations Solely Contractual in Nature; No Fiduciary Relationship. The Depositor acknowledges and agrees that the responsibility to the Depositor of the Underwriters pursuant to this Agreement is solely contractual in nature and that none of the Underwriters or their affiliates will be acting in a fiduciary or advisory capacity, or will otherwise owe any fiduciary or advisory duty, to the Depositor pursuant to this Agreement in connection with the offering of the Underwritten Certificates and the other transactions contemplated by this Agreement. [Signature pages follow] If the foregoing is in accordance with your understanding of our agreement, please sign and return to us a counterpart hereof, whereupon this letter and your acceptance shall represent a binding agreement among the Depositor, Société Générale RBS and the several Underwriters. Very truly yours, SG RBS COMMERCIAL MORTGAGE SECURITIESFUNDING, LLC INC. By: Name: Title: SOCIETE GENERALE By: Name: Title: Name Title The foregoing Agreement is hereby confirmed and accepted as of the date first above written. SG AMERICAS SECURITIES, LLC RBS SECURITIES INC. By: Name: Title: Name Title [UNDERWRITER_______] By: Name: Title: [UNDERWRITER] By: Name: Title: Name Title SCHEDULE I Underwriting Agreement, dated as of [DATE_______]. Certificates: RBS Commercial Mortgage Trust [CERTIFICATE CAPTION_______], Commercial Mortgage Pass-Through Certificates, Series [_______] Class Initial Aggregate Certificate Principal Balance or Notional Amount of Class Aggregate Certificate Principal Balance or Notional Amount Percentage Interest of Class to be Purchased by [SG Americas Securities, LLC] RBS Securities Inc. Aggregate Certificate Principal Balance or Notional Amount Percentage Interest of Class to be Purchased by [UNDERWRITER] Aggregate Certificate Principal Balance or Notional Amount of Class to be Purchased by [UNDERWRITER[ ] Initial Pass-Through Rate Purchase Price(1Price (1) Class [A-1__] $[_______] $[_______] [______]% [______]% Class [A-2__] $[_______] $[_______] [______]% [______]% Class [A-3__] $[_______] $[_______] [______]% [______]% Class [A-4__] Class $[A-SB_______] Class $[A-S_______] [(2)] Class ______]% [X-A] Class [B] [(2)] Class [C] [(2)] Class [PEX] [(2)] Class [D______]% ___________________

Obligations Solely Contractual in Nature; No Fiduciary Relationship. The Depositor acknowledges and agrees that the responsibility to the Depositor of the Underwriters pursuant to this Agreement is solely contractual in nature and that none of the Underwriters or their affiliates will be acting in a fiduciary or advisory capacity, or will otherwise owe any fiduciary or advisory duty, to the Depositor pursuant to this Agreement in connection with the offering of the Underwritten Certificates and the other transactions contemplated by this Agreement. [Signature pages follow] If the foregoing is in accordance with your understanding of our agreement, please sign and return to us a counterpart hereof, whereupon this letter and your acceptance shall represent a binding agreement among the Depositor, Société Générale [_____] and the several Underwriters. Very truly yours, SG RIALTO COMMERCIAL MORTGAGE SECURITIES, LLC By: Name: Title: SOCIETE GENERALE [_____] By: Name: Title: The foregoing Agreement is hereby confirmed and accepted as of the date first above written. SG AMERICAS SECURITIES, LLC [RIALTO UNDERWRITER] By: Name: Title: [UNDERWRITER] By: Name: Title: [UNDERWRITER] By: Name: Title: SCHEDULE I Underwriting Agreement, dated as of [DATE]. Certificates: [CERTIFICATE CAPTION] Class Initial Aggregate Certificate Principal Balance or Notional Amount of Class Aggregate Certificate Principal Balance or Notional Amount of Class to be Purchased by [SG Americas Securities, LLCRIALTO UNDERWRITER] Aggregate Certificate Principal Balance or Notional Amount of Class to be Purchased by [UNDERWRITER] Aggregate Certificate Principal Balance or Notional Amount of Class to be Purchased by [UNDERWRITER] Initial Pass-Pass- Through Rate Purchase Price(1) Class [A-1] Class [A-2] Class [A-3] Class [A-4] Class [A-SB] Class [A-S] [(2)] Class [X-A] Class [B] [(2)] Class [C] [(2)] Class [PEX] [(2)] Class [D]

Obligations Solely Contractual in Nature; No Fiduciary Relationship. The Depositor acknowledges and agrees that the responsibility to the Depositor of the Underwriters pursuant to this Agreement is solely contractual in nature and that none of the Underwriters or their affiliates will be acting in a fiduciary or advisory capacity, or will otherwise owe any fiduciary or advisory duty, to the Depositor pursuant to this Agreement in connection with the offering of the Underwritten Certificates and the other transactions contemplated by this Agreement. [Signature pages follow] If the foregoing is in accordance with your understanding of our agreement, please sign and return to us a counterpart hereof, whereupon this letter and your acceptance shall represent a binding agreement among the Depositor, Société Générale RBS and the several Underwriters. Very truly yours, SG RBS COMMERCIAL MORTGAGE SECURITIES, LLC FUNDING INC. By: Name: Title: SOCIETE GENERALE THE ROYAL BANK OF SCOTLAND PLC By: RBS Securities Inc., its agent By: Name: Title: The foregoing Agreement is hereby confirmed and accepted as of the date first above written. SG AMERICAS RBS SECURITIES INC. By: Name: Title: XXXXX FARGO SECURITIES, LLC By: Name: Title: [UNDERWRITER] By: Name: Title: [UNDERWRITER] CITIGROUP GLOBAL MARKETS INC. By: Name: Title: SCHEDULE I Underwriting Agreement, dated as of [DATE]. Certificates: [CERTIFICATE CAPTION] WFRBS Commercial Mortgage Trust 2013-C13, Commercial Mortgage Pass-Through Certificates, Series 2013-C13 Class Initial Aggregate Certificate Principal Balance or Notional Amount of Class Aggregate Certificate Principal Balance or Notional Amount of Class to be Purchased by [SG Americas Securities, LLC] RBS Securities Inc. Aggregate Certificate Principal Balance or Notional Amount of Class to be Purchased by [UNDERWRITER] Xxxxx Fargo Securities, LLC Aggregate Certificate Principal Balance or Notional Amount of Class to be Purchased by [UNDERWRITER] Citigroup Global Markets Inc. Initial Pass-Pass- Through Rate Purchase Price(1Price (1) Class [A-1] A-1 $ 56,222,000 $ 7,780,257 $ 48,441,743 $ 0 0.7780 % 99.9980 % Class [A-2] A-2 $ 79,549,000 $ 11,008,354 $ 68,540,646 $ 0 1.9640 % 102.9969 % Class [A-3] A-3 $ 200,000,000 $ 27,676,914 $ 172,323,086 $ 0 2.7490 % 100.9975 % Class [A-4] A-4 $ 206,479,000 $ 28,573,507 $ 177,905,493 $ 0 3.0010 % 102.9980 % Class [A-SB] SB $ 71,467,000 $ 9,889,930 $ 61,577,070 $ 0 2.6540 % 102.9942 % Class [A-S] [(2)] S $ 90,962,000 $ 12,587,737 $ 78,374,263 $ 0 3.3450 % 102.9968 % Class [X-A] B $ 51,509,000 $ 7,128,051 $ 44,380,949 $ 0 3.5530 % 102.9965 % Class [B] [(2)] Class [C] [(2)] Class [PEX] [(2)] Class [D]C $ 29,590,000 $ 4,094,799 $ 25,495,201 $ 0 3.9100 % 102.9984 %

Obligations Solely Contractual in Nature; No Fiduciary Relationship. The Depositor acknowledges and agrees that the responsibility to the Depositor of the Underwriters pursuant to this Agreement is solely contractual in nature and that none of the Underwriters or their affiliates will be acting in a fiduciary or advisory capacity, or will otherwise owe any fiduciary or advisory duty, to the Depositor pursuant to this Agreement in connection with the offering of the Underwritten Certificates and the other transactions contemplated by this Agreement. [Signature pages follow] If the foregoing is in accordance with your understanding of our agreement, please sign and return to us a counterpart hereof, whereupon this letter and your acceptance shall represent a binding agreement among the Depositor, Société Générale Wxxxx Fargo Bank and the several Underwriters. Very truly yours, SG WXXXX FARGO COMMERCIAL MORTGAGE SECURITIES, LLC INC. By: Name: Title: SOCIETE GENERALE WXXXX FARGO BANK, NATIONAL ASSOCIATION By: Name: Title: The foregoing Agreement is hereby confirmed and accepted as of the date first above written. SG AMERICAS WXXXX FARGO SECURITIES, LLC By: Name: Title: [UNDERWRITER] RBS SECURITIES INC. By: Name: Title: [UNDERWRITER] CITIGROUP GLOBAL MARKETS INC. By: Name: Title: Sched. I-1 SCHEDULE I Underwriting Agreement, dated as of [DATE]the date hereof. Certificates: [CERTIFICATE CAPTION] WFRBS Commercial Mortgage Trust 2012-C8, Commercial Mortgage Pass-Through Certificates, Series 2012-C8 Class Initial Aggregate Certificate Principal Balance or Notional Amount of Class Aggregate Certificate Principal Balance or Notional Amount Percentage Interest of Class to be Purchased by [SG Americas Wxxxx Fargo Securities, LLC] LLC Aggregate Certificate Principal Balance or Notional Amount Percentage Interest of Class to be Purchased by [UNDERWRITER] RBS Securities Inc. Aggregate Certificate Principal Balance or Notional Amount Percentage Interest of Class to be Purchased by [UNDERWRITER] Citigroup Global Markets Inc. Initial Pass-Pass- Through Rate Purchase Price(1Price (1) Class [A-1] A-1 $97,008,000 $58,706,759 $38,301,241 $0 0.8640% 99.9981% Class [A-2] A-2 $187,668,000 $113,571,872 $74,096,128 $0 1.8810% 101.9958% Class [A-3] A-3 $414,057,000 $250,576,702 $163,480,298 $0 3.0010% 101.9963% Class [A-4] Class [A-SB] SB $96,932,000 $58,660,766 $38,271,234 $0 2.5590% 101.9978% Class [A-S] [(2)] S $113,833,000 $68,888,819 $44,944,181 $0 3.6600% 101.9977% Class [X-A] B $66,674,000 $40,349,399 $26,324,601 $0 4.3110% 101.9990% Class [B] [(2)] Class [C] [(2)] Class [PEX] [(2)] Class [D]C $43,907,000 $26,571,393 $17,335,607 $0 5.0436% 98.4428%

Obligations Solely Contractual in Nature; No Fiduciary Relationship. The Depositor acknowledges and agrees that the responsibility to the Depositor of the Underwriters pursuant to this Agreement is solely contractual in nature and that none of the Underwriters or their affiliates will be acting in a fiduciary or advisory capacity, or will otherwise owe any fiduciary or advisory duty, to the Depositor pursuant to this Agreement in - 34 - connection with the offering of the Underwritten Certificates and the other transactions contemplated by this Agreement. [Signature pages follow] If the foregoing is in accordance with your understanding of our agreement, please sign and return to us a counterpart hereof, whereupon this letter and your acceptance shall represent a binding agreement among the Depositor, Société Générale [Wxxxx Fargo Bank] and the several Underwriters. Very truly yours, SG [WXXXX FARGO COMMERCIAL MORTGAGE SECURITIES, LLC INC.] By: Name: Title: SOCIETE GENERALE [WXXXX FARGO BANK, NATIONAL ASSOCIATION] By: Name: Title: The foregoing Agreement is hereby confirmed and accepted as of the date first above written. SG AMERICAS [WXXXX FARGO SECURITIES, LLC LLC] By: Name: Title: [UNDERWRITER] By: Name: Title: [UNDERWRITER] By: Name: Title: SCHEDULE I Underwriting Agreement, dated as of [DATE]. Certificates: [CERTIFICATE CAPTION] Class Initial Aggregate Certificate Principal Balance or Notional Amount of Class Aggregate Certificate Principal Balance or Notional Amount of Class to be Purchased by [SG Americas Wxxxx Fargo Securities, LLC] Aggregate Certificate Principal Balance or Notional Amount of Class to be Purchased by [UNDERWRITER] Aggregate Certificate Principal Balance or Notional Amount of Class to be Purchased by [UNDERWRITER] Initial Pass-Pass- Through Rate Purchase Price(1) Class [A-1] Class [A-2] Class [A-3] Class [A-4] Class [A-SB] Class [A-S] [(2)] Class [X-A] Class [B] [(2)] Class [C] [(2)] Class [PEX] [(2)] Class [D]

Obligations Solely Contractual in Nature; No Fiduciary Relationship. The Depositor acknowledges and agrees that the responsibility to the Depositor of the Underwriters pursuant to this Agreement is solely contractual in nature and that none of the Underwriters or their affiliates will be acting in a fiduciary or advisory capacity, or will otherwise owe any fiduciary or advisory duty, to the Depositor pursuant to this Agreement in connection with the offering of the Underwritten Certificates and the other transactions contemplated by this Agreement. [Signature pages follow] If the foregoing is in accordance with your understanding of our agreement, please sign and return to us a counterpart hereof, whereupon this letter and your acceptance shall represent a binding agreement among the Depositor, Société Générale RBS and the several Underwriters. Very truly yours, SG RBS COMMERCIAL MORTGAGE SECURITIES, LLC FUNDING INC. By: Name: Title: SOCIETE GENERALE THE ROYAL BANK OF SCOTLAND PLC By: RBS Securities Inc., its agent By: Name: Title: The foregoing Agreement is hereby confirmed and accepted as of the date first above written. SG AMERICAS RBS SECURITIES INC. By: Name: Title: XXXXX FARGO SECURITIES, LLC By: Name: Title: [UNDERWRITER] DEUTSCHE BANK SECURITIES INC. By: Name: Title: [UNDERWRITER] By: Name: Title: SCHEDULE I Underwriting Agreement, dated as of [DATE]. Certificates: [CERTIFICATE CAPTION] WFRBS Commercial Mortgage Trust 2012-C9, Commercial Mortgage Pass-Through Certificates, Series 2012-C9 Class Initial Aggregate Certificate Principal Balance or Notional Amount of Class Aggregate Certificate Principal Balance or Notional Amount of Class to be Purchased by [SG Americas Securities, LLC] RBS Securities Inc. Aggregate Certificate Principal Balance or Notional Amount of Class to be Purchased by [UNDERWRITER] Xxxxx Fargo Securities, LLC Aggregate Certificate Principal Balance or Notional Amount of Class to be Purchased by [UNDERWRITER] Deutsche Bank Securities Inc. Initial Pass-Through Rate Purchase Price(1Price (1) Class [A-1] A-1 $86,171,000 $32,308,135 $53,862,865 $0 0.6730% 99.999% Class [A-2] A-2 $110,387,000 $41,387,452 $68,999,548 $0 1.8290% 102.499% Class [A-3] A-3 $444,199,000 $166,543,749 $277,655,251 $0 2.8700% 102.496% Class [A-4] Class [A-SB] SB $96,213,000 $36,073,187 $60,139,813 $0 2.4450% 102.494% Class [A-S] [(2)] S $93,437,000 $35,032,380 $58,404,620 $0 3.3880% 102.496% Class [X-A] B $64,485,000 $24,177,393 $40,307,607 $0 3.8400% 102.492% Class [B] [(2)] Class [C] [(2)] Class [PEX] [(2)] Class [D]C $36,849,000 $13,815,814 $23,033,186 $0 4.5430% 102.496%

Obligations Solely Contractual in Nature; No Fiduciary Relationship. The Depositor acknowledges and agrees that the responsibility to the Depositor of the Underwriters pursuant to this Agreement is solely contractual in nature and that none of the Underwriters or their affiliates will be acting in a fiduciary or advisory capacity, or will otherwise owe any fiduciary or advisory duty, to the Depositor pursuant to this Agreement in connection with the offering of the Underwritten Registered Certificates and the other transactions contemplated by this Agreement. [Signature pages follow] If the foregoing is in accordance with your understanding of our agreement, please sign and return to us a counterpart hereof, whereupon this letter and your acceptance shall represent a binding agreement among the Depositor, Société Générale [_____] and the several Underwriters. Very truly yours, SG LMF COMMERCIAL MORTGAGE SECURITIES, LLC By: Name: Title: SOCIETE GENERALE [_____] By: Name: Title: The foregoing Agreement is hereby confirmed and accepted as of the date first above written. SG AMERICAS SECURITIES, LLC [[______] UNDERWRITER] By: Name: Title: [UNDERWRITER] By: Name: Title: [UNDERWRITER] By: Name: Title: SCHEDULE I Underwriting Agreement, dated as of [DATE]. Certificates: [CERTIFICATE CAPTION] Class Initial Aggregate Certificate Principal Balance or Notional Amount of Class Aggregate Certificate Principal Balance or Notional Amount of Class to be Purchased by [SG Americas Securities, LLC[______] UNDERWRITER] Aggregate Certificate Principal Balance or Notional Amount of Class to be Purchased by [UNDERWRITER] Aggregate Certificate Principal Balance or Notional Amount of Class to be Purchased by [UNDERWRITER] Initial Pass-Pass- Through Rate Purchase Price(1) Class [A-1] Class [A-2] Class [A-3] Class [A-4] Class [A-SB] Class [A-S] [(2)] Class [X-A] Class [B] [(2)] Class [C] [(2)] Class [PEXEC] [(2)] Class [D]

Obligations Solely Contractual in Nature; No Fiduciary Relationship. The Depositor acknowledges and agrees that the responsibility to the Depositor of the Underwriters pursuant to this Agreement is solely contractual in nature and that none of the Underwriters or their affiliates will be acting in a fiduciary or advisory capacity, or will otherwise owe any fiduciary or advisory duty, to the Depositor pursuant to this Agreement in connection with the offering of the Underwritten Certificates and the other transactions contemplated by this Agreement. [Signature pages follow] If the foregoing is in accordance with your understanding of our agreement, please sign and return to us a counterpart hereof, whereupon this letter and your acceptance shall represent a binding agreement among the Depositor, Société Générale Depositor and the several Underwriters. Very truly yours, SG NATIXIS COMMERCIAL MORTGAGE SECURITIES, SECURITIES LLC By: Name: Title: SOCIETE GENERALE By: Name: Title: The foregoing Agreement is hereby confirmed and accepted as of the date first above written. SG [NATIXIS SECURITIES AMERICAS SECURITIES, LLC LLC] By: Name: Title: By: Name: Title: [UNDERWRITER] By: Name: Title: [UNDERWRITER] By: Name: Title: SCHEDULE I Underwriting Agreement, dated as of [DATE]. Certificates: [CERTIFICATE CAPTION] Class Initial Aggregate Certificate Principal Balance or Notional Amount of Class Aggregate Certificate Principal Balance or Notional Amount of Class to be Purchased by [SG Natixis Securities Americas Securities, LLC] Aggregate Certificate Principal Balance or Notional Amount of Class to be Purchased by [UNDERWRITER] Aggregate Certificate Principal Balance or Notional Amount of Class to be Purchased by [UNDERWRITER] Initial Pass-Through Rate Purchase Price(1) Class [A-1] Class [A-2] Class [A-3] Class [A-4] Class [A-SB] Class [A-S] [(2)] Class [X-A] Class [B] [(2)] Class [C] [(2)] Class [PEX] [(2)] Class [D]

Obligations Solely Contractual in Nature; No Fiduciary Relationship. The Depositor acknowledges and agrees that the responsibility to the Depositor of the Underwriters pursuant to this Agreement is solely contractual in nature and that none of the Underwriters or their affiliates will be acting in a fiduciary or advisory capacity, or will otherwise owe any fiduciary or advisory duty, to the Depositor pursuant to this Agreement in connection with the offering of the Underwritten Certificates and the other transactions contemplated by this Agreement. [Signature pages follow] If the foregoing is in accordance with your understanding of our agreement, please sign and return to us a counterpart hereof, whereupon this letter and your acceptance shall represent a binding agreement among the Depositor, Société Générale and the several Underwriters. Very truly yours, SG COMMERCIAL MORTGAGE SECURITIES, LLC By: Name: Title: SOCIETE GENERALE By: Name: Title: The foregoing Agreement is hereby confirmed and accepted as of the date first above written. SG AMERICAS SECURITIES, LLC By: Name: Title: [UNDERWRITER] By: Name: Title: [UNDERWRITER_______] By: Name: Title: SCHEDULE I Underwriting Agreement, dated as of [DATE_______]. Certificates: SG Commercial Mortgage Trust [CERTIFICATE CAPTION_______], Commercial Mortgage Pass-Through Certificates, Series [_______] Class Initial Aggregate Certificate Principal Balance or Notional Amount of Class Aggregate Certificate Principal Balance or Notional Amount Percentage Interest of Class to be Purchased by [SG Americas Securities, LLC] LLC Aggregate Certificate Principal Balance or Notional Amount Percentage Interest of Class to be Purchased by [UNDERWRITER] Aggregate Certificate Principal Balance or Notional Amount of Class to be Purchased by [UNDERWRITER[ ] Initial Pass-Through Rate Purchase Price(1Price (1) Class [A-1__] $[_______] $[_______] [______]% [______]% Class [A-2__] $[_______] $[_______] [______]% [______]% Class [A-3__] $[_______] $[_______] [______]% [______]% Class [A-4__] Class $[A-SB_______] Class $[A-S_______] [(2)] Class ______]% [X-A] Class [B] [(2)] Class [C] [(2)] Class [PEX] [(2)] Class [D______]% __________