true

Class A Common Stock, par value$0.01 per share

false

Equity

(1)

Pursuant to Rules 456(b) and 457(r) under the Securities Act, the registrant is deferring payment of the registration fee relating to securities that are registered and available for sale under this registration statement. Registration fees will be paid subsequently in advance or on a

pay-as-you-go

basis.

(2)

Not specified as to each class of securities to be registered pursuant to General Instruction II.F of Form

S-3

under the Securities Act of 1933, as amended (the “Securities Act”). There is being registered hereby such indeterminate number or amount, as the case may be, of the securities of each identified class as may from time to time be offered and sold at indeterminate prices. The securities covered by this registration statement may be sold or otherwise distributed separately, together or as units with other securities covered by this registration statement.

(3)

This registration statement also covers an indeterminate amount of each identified class of securities as may be issued upon conversion of, or in exchange for, or upon exercise of, or pursuant to, convertible or exchangeable securities that provide for exercise or conversion into or purchase of such securities of Blackstone Mortgage Trust, Inc. Separate consideration may or may not be received for securities that are issuable on exercise, conversion or exchange of other securities or that are represented by depositary shares.

Offering:

Rule 457(r)

true

Security Class Title

Depositary Shares, representing Preferred Stock

Fee Previously Paid

false

Security Type

Debt

Offering Note

(1)

Pursuant to Rules 456(b) and 457(r) under the Securities Act, the registrant is deferring payment of the registration fee relating to securities that are registered and available for sale under this registration statement. Registration fees will be paid subsequently in advance or on a

pay-as-you-go

basis.

(2)

Not specified as to each class of securities to be registered pursuant to General Instruction II.F of Form

S-3

under the Securities Act of 1933, as amended (the “Securities Act”). There is being registered hereby such indeterminate number or amount, as the case may be, of the securities of each identified class as may from time to time be offered and sold at indeterminate prices. The securities covered by this registration statement may be sold or otherwise distributed separately, together or as units with other securities covered by this registration statement.

(3)

This registration statement also covers an indeterminate amount of each identified class of securities as may be issued upon conversion of, or in exchange for, or upon exercise of, or pursuant to, convertible or exchangeable securities that provide for exercise or conversion into or purchase of such securities of Blackstone Mortgage Trust, Inc. Separate consideration may or may not be received for securities that are issuable on exercise, conversion or exchange of other securities or that are represented by depositary shares.

Offering:

true

Warrants

false

Other

(1)

Pursuant to Rules 456(b) and 457(r) under the Securities Act, the registrant is deferring payment of the registration fee relating to securities that are registered and available for sale under this registration statement. Registration fees will be paid subsequently in advance or on a

pay-as-you-go

basis.

(2)

Not specified as to each class of securities to be registered pursuant to General Instruction II.F of Form

S-3

under the Securities Act of 1933, as amended (the “Securities Act”). There is being registered hereby such indeterminate number or amount, as the case may be, of the securities of each identified class as may from time to time be offered and sold at indeterminate prices. The securities covered by this registration statement may be sold or otherwise distributed separately, together or as units with other securities covered by this registration statement.

(3)

This registration statement also covers an indeterminate amount of each identified class of securities as may be issued upon conversion of, or in exchange for, or upon exercise of, or pursuant to, convertible or exchangeable securities that provide for exercise or conversion into or purchase of such securities of Blackstone Mortgage Trust, Inc. Separate consideration may or may not be received for securities that are issuable on exercise, conversion or exchange of other securities or that are represented by depositary shares.

Offering:

true

Purchase Contracts

false

Other

(1)

Pursuant to Rules 456(b) and 457(r) under the Securities Act, the registrant is deferring payment of the registration fee relating to securities that are registered and available for sale under this registration statement. Registration fees will be paid subsequently in advance or on a

pay-as-you-go

basis.

(2)

Not specified as to each class of securities to be registered pursuant to General Instruction II.F of Form

S-3

under the Securities Act of 1933, as amended (the “Securities Act”). There is being registered hereby such indeterminate number or amount, as the case may be, of the securities of each identified class as may from time to time be offered and sold at indeterminate prices. The securities covered by this registration statement may be sold or otherwise distributed separately, together or as units with other securities covered by this registration statement.

(3)

This registration statement also covers an indeterminate amount of each identified class of securities as may be issued upon conversion of, or in exchange for, or upon exercise of, or pursuant to, convertible or exchangeable securities that provide for exercise or conversion into or purchase of such securities of Blackstone Mortgage Trust, Inc. Separate consideration may or may not be received for securities that are issuable on exercise, conversion or exchange of other securities or that are represented by depositary shares.