BLACKSTONE MORTGAGE TRUST, INC. 10-Q

ITEM 5. OTHER INFORMATION None . 97 ITEM 6. EXHIBITS 4.1 Indenture, dated May 19, 2026, among the Company, the Guarantors and The Bank of New York Mellon Trust Company, N.A., as trustee and collateral agent (filed as Exhibit 4.1 to the Registrant’s Current Report on Form 8-K (File No. 1-14788) filed on May 19, 2026 and incorporated herein by reference) 4.2 Form of 6.250% Senior Secured Notes due 2031 (included as Exhibit A to Exhibit 4.1). 4.3 Pledge and Security Agreement, dated as of May 19, 2026, by and among Blackstone Mortgage Trust, Inc., the other grantors from time to time party thereto and The Bank of New York Mellon Trust Company, N.A., as collateral agent (filed as Exhibit 4.3 to the Registrant’s Current Report on Form 8-K (File No. 1-14788) filed on May 19, 2026 and incorporated herein by reference). 4.4 First Lien Intercreditor Agreement, dated as of October 5, 2021, by and among Blackstone Mortgage Trust, Inc., JPMorgan Chase Bank, N.A., as agent under the Term Loan Credit Agreement, and The Bank of New York Mellon Trust Company, N.A., as trustee and notes collateral agent (filed as Exhibit 4.4 to the Current Report on Form 8-K (File No. 1-14788) filed on October 5, 2021 and incorporated herein by reference). 4.5 Joinder No. 2 to First Lien Intercreditor Agreement, dated as of May 19, 2026, by and among Blackstone Mortgage Trust, Inc., the grantors party thereto and the other parties thereto (filed as Exhibit 4.5 to the Registrant’s Current Report on Form 8-K (File No. 1-14788) filed on May 19, 2026 and incorporated herein by reference). 10.1 * Eighth Amendment to Master Repurchase Agreement, dated as of May 28, 2026, by and among Parlex 3A USD IE Issuer Designated Activity Company, Parlex 3A GBP IE Issuer Designated Activity Company, Parlex 3A EUR IE Issuer Designated Activity Company, Parlex 3A SEK IE Issuer Designated Activity Company, Perpetual Corporate Trust Limited as Trustee of the Parlex 2022-1 Issuer Trust, Parlex 3A FINCO, LLC, Barclays Bank PLC, Parlex 3A Finco, LLC, Parlex 3A UK Finco, LLC, Parlex 3A EUR Finco, LLC, Parlex 3A SEK Finco, LLC, Silver Fin Sub TC PTY LTD, and Gloss Finco 1, LLC, and Parlex 3A CAD Finco, LLC 10.2 * Amendment No. 3 to Guarantee Agreement, dated as of April 13, 2026, between Blackstone Mortgage Trust, Inc. and Wells Fargo Bank, National Association and acknowledged and agreed by Parlex 5 Finco, LLC and 42-16 Partners, LLC 31.1 * Certification of Chief Executive Officer, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 31.2 * Certification of Chief Financial Officer, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 32.1 + Certification of Chief Executive Officer, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 32.2 + Certification of Chief Financial Officer, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 101.INS XBRL Instance Document – the instance document does not appear in the interactive data file because its XBRL tags are embedded within the inline XBRL document 101.SCH Inline XBRL Taxonomy Extension Schema Document With Embedded Linkbase Documents 101.CAL Inline XBRL Taxonomy Extension Calculation Linkbase Document 101.DEF Inline XBRL Taxonomy Extension Definition Linkbase Document 101.LAB Inline XBRL Taxonomy Extension Label Linkbase Document 101.PRE Inline XBRL Taxonomy Extension Presentation Linkbase Document 104 Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101) ___________ * Filed herewith. + This exhibit shall not be deemed “filed” for purposes of Section 18 of the Exchange Act or otherwise subject to the liability of that Section. Such exhibit shall not be deemed incorporated into any filing under the Securities Act or the Exchange Act. 98 The agreements and other documents filed as exhibits to this report are not intended to provide factual information or other disclosure other than with respect to the terms of the agreements or other documents themselves, and you should not rely on them for that purpose. In particular, any representations and warranties made by us in these agreements or other documents were made solely within the specific context of the relevant agreement or document and may not describe the actual state of affairs as of the date they were made or at any other time. 99 SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized. BLACKSTONE MORTGAGE TRUST, INC. July 30, 2026 /s/ Timothy S. Johnson Date Timothy S. Johnson Chief Executive Officer (Principal Executive Officer) July 30, 2026 /s/ Marcin Urbaszek Date Marcin Urbaszek Chief Financial Officer (Principal Financial Officer and Principal Accounting Officer)