Iker James Lee

SEC source: 0001104659-19-001893 · a4.xml · derivative · entry 3

Iker James Lee · CIK 0001708639 · Chief Investment Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 144,404

Underlying: Common Shares · 14,615 shares

Expires not disclosed

F6 · derivative.exercise_price: The reporting person received a grant of LTIP Units pursuant to the Omnibus Plan. These LTIP Units are a class of units in the OP that are convertible at the option of the holder, conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, into an equal number of OP Units. The resulting OP Units are redeemable by the holder for one Common Share per OP Unit or the cash value of a Common Share, at the Issuer's option, after the two-year anniversary of the LTIP Units issuance.

F7 · derivative.exercise_price: These LTIP Units were issued pursuant to the reporting person's election with the Issuer to receive all of his cash bonus payable for 2018 in the form of fully vested LTIP Units.

F6 · price: The reporting person received a grant of LTIP Units pursuant to the Omnibus Plan. These LTIP Units are a class of units in the OP that are convertible at the option of the holder, conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, into an equal number of OP Units. The resulting OP Units are redeemable by the holder for one Common Share per OP Unit or the cash value of a Common Share, at the Issuer's option, after the two-year anniversary of the LTIP Units issuance.

F7 · price: These LTIP Units were issued pursuant to the reporting person's election with the Issuer to receive all of his cash bonus payable for 2018 in the form of fully vested LTIP Units.

F6 · derivative.exercise_date: The reporting person received a grant of LTIP Units pursuant to the Omnibus Plan. These LTIP Units are a class of units in the OP that are convertible at the option of the holder, conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, into an equal number of OP Units. The resulting OP Units are redeemable by the holder for one Common Share per OP Unit or the cash value of a Common Share, at the Issuer's option, after the two-year anniversary of the LTIP Units issuance.

F7 · derivative.exercise_date: These LTIP Units were issued pursuant to the reporting person's election with the Issuer to receive all of his cash bonus payable for 2018 in the form of fully vested LTIP Units.

F6 · derivative.expiration_date: The reporting person received a grant of LTIP Units pursuant to the Omnibus Plan. These LTIP Units are a class of units in the OP that are convertible at the option of the holder, conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, into an equal number of OP Units. The resulting OP Units are redeemable by the holder for one Common Share per OP Unit or the cash value of a Common Share, at the Issuer's option, after the two-year anniversary of the LTIP Units issuance.

F7 · derivative.expiration_date: These LTIP Units were issued pursuant to the reporting person's election with the Issuer to receive all of his cash bonus payable for 2018 in the form of fully vested LTIP Units.

SEC source: 0001104659-19-001893 · a4.xml · derivative · entry 2

Iker James Lee · CIK 0001708639 · Chief Investment Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 129,789

Underlying: Common Shares · 12,833 shares

Expires not disclosed

F4 · derivative.exercise_price: The reporting person received a grant of LTIP Units pursuant to the Omnibus Plan. These LTIP Units, plus any LTIP Units received in respect of accrued dividend equivalents pursuant to the terms of the award agreements, are a class of units in the OP that, if earned and vested, are convertible at the option of the holder, conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, into an equal number of OP Units. The resulting OP Units are redeemable by the holder for one Common Share per OP Unit or the cash value of a Common Share, at the Issuer's option, after the two-year anniversary of the LTIP Units issuance.

F5 · derivative.exercise_price: These LTIP Units, or a portion thereof, may become earned based on the Issuer's achievement of the performance conditions set forth in the award agreement over a three-year performance period commencing January 10, 2019 (or under certain circumstances, over an additional seven-year performance period thereafter). To the extent earned, the LTIP Units will vest 50% on the date the number of LTIP Units that become earned is determined and 50% on January 10, 2023 (or, if any LTIP Units become earned during the additional seven-year performance period, on such date the LTIP Units become earned), subject to the reporting person's continued employment through each vesting date.

F4 · price: The reporting person received a grant of LTIP Units pursuant to the Omnibus Plan. These LTIP Units, plus any LTIP Units received in respect of accrued dividend equivalents pursuant to the terms of the award agreements, are a class of units in the OP that, if earned and vested, are convertible at the option of the holder, conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, into an equal number of OP Units. The resulting OP Units are redeemable by the holder for one Common Share per OP Unit or the cash value of a Common Share, at the Issuer's option, after the two-year anniversary of the LTIP Units issuance.

F5 · price: These LTIP Units, or a portion thereof, may become earned based on the Issuer's achievement of the performance conditions set forth in the award agreement over a three-year performance period commencing January 10, 2019 (or under certain circumstances, over an additional seven-year performance period thereafter). To the extent earned, the LTIP Units will vest 50% on the date the number of LTIP Units that become earned is determined and 50% on January 10, 2023 (or, if any LTIP Units become earned during the additional seven-year performance period, on such date the LTIP Units become earned), subject to the reporting person's continued employment through each vesting date.

F4 · derivative.exercise_date: The reporting person received a grant of LTIP Units pursuant to the Omnibus Plan. These LTIP Units, plus any LTIP Units received in respect of accrued dividend equivalents pursuant to the terms of the award agreements, are a class of units in the OP that, if earned and vested, are convertible at the option of the holder, conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, into an equal number of OP Units. The resulting OP Units are redeemable by the holder for one Common Share per OP Unit or the cash value of a Common Share, at the Issuer's option, after the two-year anniversary of the LTIP Units issuance.

F5 · derivative.exercise_date: These LTIP Units, or a portion thereof, may become earned based on the Issuer's achievement of the performance conditions set forth in the award agreement over a three-year performance period commencing January 10, 2019 (or under certain circumstances, over an additional seven-year performance period thereafter). To the extent earned, the LTIP Units will vest 50% on the date the number of LTIP Units that become earned is determined and 50% on January 10, 2023 (or, if any LTIP Units become earned during the additional seven-year performance period, on such date the LTIP Units become earned), subject to the reporting person's continued employment through each vesting date.

F4 · derivative.expiration_date: The reporting person received a grant of LTIP Units pursuant to the Omnibus Plan. These LTIP Units, plus any LTIP Units received in respect of accrued dividend equivalents pursuant to the terms of the award agreements, are a class of units in the OP that, if earned and vested, are convertible at the option of the holder, conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, into an equal number of OP Units. The resulting OP Units are redeemable by the holder for one Common Share per OP Unit or the cash value of a Common Share, at the Issuer's option, after the two-year anniversary of the LTIP Units issuance.

F5 · derivative.expiration_date: These LTIP Units, or a portion thereof, may become earned based on the Issuer's achievement of the performance conditions set forth in the award agreement over a three-year performance period commencing January 10, 2019 (or under certain circumstances, over an additional seven-year performance period thereafter). To the extent earned, the LTIP Units will vest 50% on the date the number of LTIP Units that become earned is determined and 50% on January 10, 2023 (or, if any LTIP Units become earned during the additional seven-year performance period, on such date the LTIP Units become earned), subject to the reporting person's continued employment through each vesting date.

SEC source: 0001104659-19-001893 · a4.xml · derivative · entry 1

Iker James Lee · CIK 0001708639 · Chief Investment Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 116,956

Underlying: Common Shares · 7,307 shares

Expires not disclosed

F1 · derivative.exercise_price: The reporting person received a grant of limited partnership units in JBG SMITH Properties LP, JBG SMITH Properties' (the "Issuer's") operating partnership (the "OP"), designated as LTIP Units ("LTIP Units") pursuant to the JBG SMITH Properties 2017 Omnibus Share Plan ("Omnibus Plan"). These LTIP Units are a class of units in the OP that, if vested, are convertible at the option of the holder, conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, into an equal number of operating partnership units in the OP ("OP Units"). The resulting OP Units are redeemable by the holder for one common share of the Issuer, par value $0.01 (a "Common Share") per OP Unit or the cash value of a Common Share, at the Issuer's option, after the two-year anniversary of the LTIP Units issuance.

F2 · derivative.exercise_price: The LTIP Units vest 25% on each of the first through fourth anniversaries of January 10, 2019, subject to reporting person's continued employment through each vesting date.

F1 · price: The reporting person received a grant of limited partnership units in JBG SMITH Properties LP, JBG SMITH Properties' (the "Issuer's") operating partnership (the "OP"), designated as LTIP Units ("LTIP Units") pursuant to the JBG SMITH Properties 2017 Omnibus Share Plan ("Omnibus Plan"). These LTIP Units are a class of units in the OP that, if vested, are convertible at the option of the holder, conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, into an equal number of operating partnership units in the OP ("OP Units"). The resulting OP Units are redeemable by the holder for one common share of the Issuer, par value $0.01 (a "Common Share") per OP Unit or the cash value of a Common Share, at the Issuer's option, after the two-year anniversary of the LTIP Units issuance.

F2 · price: The LTIP Units vest 25% on each of the first through fourth anniversaries of January 10, 2019, subject to reporting person's continued employment through each vesting date.

F1 · derivative.exercise_date: The reporting person received a grant of limited partnership units in JBG SMITH Properties LP, JBG SMITH Properties' (the "Issuer's") operating partnership (the "OP"), designated as LTIP Units ("LTIP Units") pursuant to the JBG SMITH Properties 2017 Omnibus Share Plan ("Omnibus Plan"). These LTIP Units are a class of units in the OP that, if vested, are convertible at the option of the holder, conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, into an equal number of operating partnership units in the OP ("OP Units"). The resulting OP Units are redeemable by the holder for one common share of the Issuer, par value $0.01 (a "Common Share") per OP Unit or the cash value of a Common Share, at the Issuer's option, after the two-year anniversary of the LTIP Units issuance.

F2 · derivative.exercise_date: The LTIP Units vest 25% on each of the first through fourth anniversaries of January 10, 2019, subject to reporting person's continued employment through each vesting date.

F1 · derivative.expiration_date: The reporting person received a grant of limited partnership units in JBG SMITH Properties LP, JBG SMITH Properties' (the "Issuer's") operating partnership (the "OP"), designated as LTIP Units ("LTIP Units") pursuant to the JBG SMITH Properties 2017 Omnibus Share Plan ("Omnibus Plan"). These LTIP Units are a class of units in the OP that, if vested, are convertible at the option of the holder, conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, into an equal number of operating partnership units in the OP ("OP Units"). The resulting OP Units are redeemable by the holder for one common share of the Issuer, par value $0.01 (a "Common Share") per OP Unit or the cash value of a Common Share, at the Issuer's option, after the two-year anniversary of the LTIP Units issuance.

F2 · derivative.expiration_date: The LTIP Units vest 25% on each of the first through fourth anniversaries of January 10, 2019, subject to reporting person's continued employment through each vesting date.

F3 · balance_after: The Form 4 filed on November 14, 2018 should have listed 104,846 instead of 72,138 on Line 1 of Column 9 and 109,649 instead of 106,839 on Line 2 of Column 9.

SEC source: 0001104659-19-000796 · a4.xml · derivative · entry 4

Iker James Lee · CIK 0001708639 · Chief Investment Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By JI Fund Holdings Medium, L.L.C.

Disclosed balance after: 0

Underlying: Common Shares · 40,017 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each Operating Partnership Unit ("OP Unit") in JBG SMITH Properties LP, the operating partnership of JBG SMITH Properties (the "Issuer"), is redeemable by the holder for one common share of the Issuer, par value $0.01 (a "Common Share"), or the cash value of a Common Share, at the Issuer's option.

F1 · price: Each Operating Partnership Unit ("OP Unit") in JBG SMITH Properties LP, the operating partnership of JBG SMITH Properties (the "Issuer"), is redeemable by the holder for one common share of the Issuer, par value $0.01 (a "Common Share"), or the cash value of a Common Share, at the Issuer's option.

F1 · derivative.exercise_date: Each Operating Partnership Unit ("OP Unit") in JBG SMITH Properties LP, the operating partnership of JBG SMITH Properties (the "Issuer"), is redeemable by the holder for one common share of the Issuer, par value $0.01 (a "Common Share"), or the cash value of a Common Share, at the Issuer's option.

F1 · derivative.expiration_date: Each Operating Partnership Unit ("OP Unit") in JBG SMITH Properties LP, the operating partnership of JBG SMITH Properties (the "Issuer"), is redeemable by the holder for one common share of the Issuer, par value $0.01 (a "Common Share"), or the cash value of a Common Share, at the Issuer's option.

SEC source: 0001104659-19-000796 · a4.xml · derivative · entry 3

Iker James Lee · CIK 0001708639 · Chief Investment Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 867,705

Underlying: Common Shares · 50,000 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each Operating Partnership Unit ("OP Unit") in JBG SMITH Properties LP, the operating partnership of JBG SMITH Properties (the "Issuer"), is redeemable by the holder for one common share of the Issuer, par value $0.01 (a "Common Share"), or the cash value of a Common Share, at the Issuer's option.

F2 · derivative.exercise_price: 436,006 of these OP Units are scheduled to vest in equal monthly installments, beginning on February 1, 2020 and ending on July 1, 2022, subject to the reporting person's continued employment through each vesting date.

F1 · price: Each Operating Partnership Unit ("OP Unit") in JBG SMITH Properties LP, the operating partnership of JBG SMITH Properties (the "Issuer"), is redeemable by the holder for one common share of the Issuer, par value $0.01 (a "Common Share"), or the cash value of a Common Share, at the Issuer's option.

F1 · derivative.exercise_date: Each Operating Partnership Unit ("OP Unit") in JBG SMITH Properties LP, the operating partnership of JBG SMITH Properties (the "Issuer"), is redeemable by the holder for one common share of the Issuer, par value $0.01 (a "Common Share"), or the cash value of a Common Share, at the Issuer's option.

F2 · derivative.exercise_date: 436,006 of these OP Units are scheduled to vest in equal monthly installments, beginning on February 1, 2020 and ending on July 1, 2022, subject to the reporting person's continued employment through each vesting date.

F1 · derivative.expiration_date: Each Operating Partnership Unit ("OP Unit") in JBG SMITH Properties LP, the operating partnership of JBG SMITH Properties (the "Issuer"), is redeemable by the holder for one common share of the Issuer, par value $0.01 (a "Common Share"), or the cash value of a Common Share, at the Issuer's option.

F2 · derivative.expiration_date: 436,006 of these OP Units are scheduled to vest in equal monthly installments, beginning on February 1, 2020 and ending on July 1, 2022, subject to the reporting person's continued employment through each vesting date.

SEC source: 0001104659-19-000796 · a4.xml · nonDerivative · entry 2

Iker James Lee · CIK 0001708639 · Chief Investment Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By JI Fund Holdings Medium, L.L.C.

Disclosed balance after: 40,017

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each Operating Partnership Unit ("OP Unit") in JBG SMITH Properties LP, the operating partnership of JBG SMITH Properties (the "Issuer"), is redeemable by the holder for one common share of the Issuer, par value $0.01 (a "Common Share"), or the cash value of a Common Share, at the Issuer's option.

SEC source: 0001104659-19-000796 · a4.xml · nonDerivative · entry 1

Iker James Lee · CIK 0001708639 · Chief Investment Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 50,000

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each Operating Partnership Unit ("OP Unit") in JBG SMITH Properties LP, the operating partnership of JBG SMITH Properties (the "Issuer"), is redeemable by the holder for one common share of the Issuer, par value $0.01 (a "Common Share"), or the cash value of a Common Share, at the Issuer's option.

SEC source: 0001104659-18-068578 · a4.xml · derivative · entry 2

Iker James Lee · CIK 0001708639 · Chief Investment Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 106,839

Underlying: Common Shares · 4,803 shares

Expires not disclosed

F3 · derivative.exercise_price: The reporting person received a grant of LTIP Units pursuant to the Omnibus Plan. These LTIP Units, plus any LTIP Units received in respect of accrued dividend equivalents pursuant to the terms of the award agreements, are a class of units in the OP that, if earned and vested, are convertible at the option of the holder, conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, into an equal number of OP Units. The resulting OP Units are redeemable by the holder for one Common Share per OP Unit or the cash value of a Common Share, at the Issuer's option, after the two-year anniversary of the LTIP Units issuance.

F4 · derivative.exercise_price: To the extent earned, these LTIP Units, or a portion thereof, may become earned based on the Issuer's achievement of the performance conditions set forth in the award agreement over a three-year performance period commencing November 2, 2018 (or under certain circumstances, over an additional seven-year performance period thereafter). To the extent earned, conditioned upon the execution of certain definitive documentation with Amazon, the LTIP Units will vest 50% on the fourth anniversary of the date of grant and 50% on the fifth anniversary of the date of grant (or, if any LTIP Units become earned during the additional seven-year performance period, on such date the LTIP Units become earned), subject to the reporting person's continued employment through each vesting date.

F3 · price: The reporting person received a grant of LTIP Units pursuant to the Omnibus Plan. These LTIP Units, plus any LTIP Units received in respect of accrued dividend equivalents pursuant to the terms of the award agreements, are a class of units in the OP that, if earned and vested, are convertible at the option of the holder, conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, into an equal number of OP Units. The resulting OP Units are redeemable by the holder for one Common Share per OP Unit or the cash value of a Common Share, at the Issuer's option, after the two-year anniversary of the LTIP Units issuance.

F4 · price: To the extent earned, these LTIP Units, or a portion thereof, may become earned based on the Issuer's achievement of the performance conditions set forth in the award agreement over a three-year performance period commencing November 2, 2018 (or under certain circumstances, over an additional seven-year performance period thereafter). To the extent earned, conditioned upon the execution of certain definitive documentation with Amazon, the LTIP Units will vest 50% on the fourth anniversary of the date of grant and 50% on the fifth anniversary of the date of grant (or, if any LTIP Units become earned during the additional seven-year performance period, on such date the LTIP Units become earned), subject to the reporting person's continued employment through each vesting date.

F3 · derivative.exercise_date: The reporting person received a grant of LTIP Units pursuant to the Omnibus Plan. These LTIP Units, plus any LTIP Units received in respect of accrued dividend equivalents pursuant to the terms of the award agreements, are a class of units in the OP that, if earned and vested, are convertible at the option of the holder, conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, into an equal number of OP Units. The resulting OP Units are redeemable by the holder for one Common Share per OP Unit or the cash value of a Common Share, at the Issuer's option, after the two-year anniversary of the LTIP Units issuance.

F4 · derivative.exercise_date: To the extent earned, these LTIP Units, or a portion thereof, may become earned based on the Issuer's achievement of the performance conditions set forth in the award agreement over a three-year performance period commencing November 2, 2018 (or under certain circumstances, over an additional seven-year performance period thereafter). To the extent earned, conditioned upon the execution of certain definitive documentation with Amazon, the LTIP Units will vest 50% on the fourth anniversary of the date of grant and 50% on the fifth anniversary of the date of grant (or, if any LTIP Units become earned during the additional seven-year performance period, on such date the LTIP Units become earned), subject to the reporting person's continued employment through each vesting date.

F3 · derivative.expiration_date: The reporting person received a grant of LTIP Units pursuant to the Omnibus Plan. These LTIP Units, plus any LTIP Units received in respect of accrued dividend equivalents pursuant to the terms of the award agreements, are a class of units in the OP that, if earned and vested, are convertible at the option of the holder, conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, into an equal number of OP Units. The resulting OP Units are redeemable by the holder for one Common Share per OP Unit or the cash value of a Common Share, at the Issuer's option, after the two-year anniversary of the LTIP Units issuance.

F4 · derivative.expiration_date: To the extent earned, these LTIP Units, or a portion thereof, may become earned based on the Issuer's achievement of the performance conditions set forth in the award agreement over a three-year performance period commencing November 2, 2018 (or under certain circumstances, over an additional seven-year performance period thereafter). To the extent earned, conditioned upon the execution of certain definitive documentation with Amazon, the LTIP Units will vest 50% on the fourth anniversary of the date of grant and 50% on the fifth anniversary of the date of grant (or, if any LTIP Units become earned during the additional seven-year performance period, on such date the LTIP Units become earned), subject to the reporting person's continued employment through each vesting date.

SEC source: 0001104659-18-068578 · a4.xml · derivative · entry 1

Iker James Lee · CIK 0001708639 · Chief Investment Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 72,138

Underlying: Common Shares · 2,810 shares

Expires not disclosed

F1 · derivative.exercise_price: The reporting person received a grant of limited partnership units in JBG SMITH Properties LP, JBG SMITH Properties' (the "Issuer's") operating partnership (the "OP"), designated as LTIP Units ("LTIP Units") pursuant to the JBG SMITH Properties 2017 Omnibus Share Plan ("Omnibus Plan"). These LTIP Units are a class of units in the OP that, if vested, are convertible at the option of the holder, conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, into an equal number of operating partnership units in the OP ("OP Units"). The resulting OP Units are redeemable by the holder for one common share of the Issuer, par value $0.01 (a "Common Share") per OP Unit or the cash value of a Common Share, at the Issuer's option, after the two-year anniversary of the LTIP Units issuance.

F2 · derivative.exercise_price: The LTIP Units will vest in two equal installments, conditioned upon the execution of certain definitive documentation with Amazon, on the fourth and fifth anniversaries of the date of grant, respectively, subject to reporting person's continued employment through each vesting date.

F1 · price: The reporting person received a grant of limited partnership units in JBG SMITH Properties LP, JBG SMITH Properties' (the "Issuer's") operating partnership (the "OP"), designated as LTIP Units ("LTIP Units") pursuant to the JBG SMITH Properties 2017 Omnibus Share Plan ("Omnibus Plan"). These LTIP Units are a class of units in the OP that, if vested, are convertible at the option of the holder, conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, into an equal number of operating partnership units in the OP ("OP Units"). The resulting OP Units are redeemable by the holder for one common share of the Issuer, par value $0.01 (a "Common Share") per OP Unit or the cash value of a Common Share, at the Issuer's option, after the two-year anniversary of the LTIP Units issuance.

F2 · price: The LTIP Units will vest in two equal installments, conditioned upon the execution of certain definitive documentation with Amazon, on the fourth and fifth anniversaries of the date of grant, respectively, subject to reporting person's continued employment through each vesting date.

F1 · derivative.exercise_date: The reporting person received a grant of limited partnership units in JBG SMITH Properties LP, JBG SMITH Properties' (the "Issuer's") operating partnership (the "OP"), designated as LTIP Units ("LTIP Units") pursuant to the JBG SMITH Properties 2017 Omnibus Share Plan ("Omnibus Plan"). These LTIP Units are a class of units in the OP that, if vested, are convertible at the option of the holder, conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, into an equal number of operating partnership units in the OP ("OP Units"). The resulting OP Units are redeemable by the holder for one common share of the Issuer, par value $0.01 (a "Common Share") per OP Unit or the cash value of a Common Share, at the Issuer's option, after the two-year anniversary of the LTIP Units issuance.

F2 · derivative.exercise_date: The LTIP Units will vest in two equal installments, conditioned upon the execution of certain definitive documentation with Amazon, on the fourth and fifth anniversaries of the date of grant, respectively, subject to reporting person's continued employment through each vesting date.

F1 · derivative.expiration_date: The reporting person received a grant of limited partnership units in JBG SMITH Properties LP, JBG SMITH Properties' (the "Issuer's") operating partnership (the "OP"), designated as LTIP Units ("LTIP Units") pursuant to the JBG SMITH Properties 2017 Omnibus Share Plan ("Omnibus Plan"). These LTIP Units are a class of units in the OP that, if vested, are convertible at the option of the holder, conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, into an equal number of operating partnership units in the OP ("OP Units"). The resulting OP Units are redeemable by the holder for one common share of the Issuer, par value $0.01 (a "Common Share") per OP Unit or the cash value of a Common Share, at the Issuer's option, after the two-year anniversary of the LTIP Units issuance.

F2 · derivative.expiration_date: The LTIP Units will vest in two equal installments, conditioned upon the execution of certain definitive documentation with Amazon, on the fourth and fifth anniversaries of the date of grant, respectively, subject to reporting person's continued employment through each vesting date.

SEC source: 0001104659-18-066329 · a4.xml · nonDerivative · entry 1

Iker James Lee · CIK 0001708639 · Chief Investment Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By JI Fund Holdings High, L.L.C.

Disclosed balance after: 0

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 23, 2018.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $39.32 to $39.54, inclusive. The reporting person undertakes to provide to JBG SMITH Properties, any security holder of JBG SMITH Properties, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (2) to this Form 4.

SEC source: 0001104659-18-058020 · a4.xml · nonDerivative · entry 1

Iker James Lee · CIK 0001708639 · Chief Investment Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By JI Fund Holdings High, L.L.C.

Disclosed balance after: 23,836

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 23, 2018.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $37.50 to $37.72, inclusive. The reporting person undertakes to provide to JBG SMITH Properties, any security holder of JBG SMITH Properties, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (2) to this Form 4.

SEC source: 0001104659-18-049194 · a4.xml · derivative · entry 2

Iker James Lee · CIK 0001708639 · Chief Investment Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By JI Fund Holdings High, L.L.C.

Disclosed balance after: 0

Underlying: Common Shares · 47,673 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each Operating Partnership Unit ("OP Unit") in JBG SMITH Properties LP, the operating partnership of JBG SMITH Properties (the "Issuer"), is redeemable by the holder for one common share of the Issuer, par value $0.01 (a "Common Share"), or the cash value of a Common Share, at the Issuer's option, beginning August 1, 2018. The OP Units were fully vested on the date of grant.

F1 · price: Each Operating Partnership Unit ("OP Unit") in JBG SMITH Properties LP, the operating partnership of JBG SMITH Properties (the "Issuer"), is redeemable by the holder for one common share of the Issuer, par value $0.01 (a "Common Share"), or the cash value of a Common Share, at the Issuer's option, beginning August 1, 2018. The OP Units were fully vested on the date of grant.

F1 · derivative.exercise_date: Each Operating Partnership Unit ("OP Unit") in JBG SMITH Properties LP, the operating partnership of JBG SMITH Properties (the "Issuer"), is redeemable by the holder for one common share of the Issuer, par value $0.01 (a "Common Share"), or the cash value of a Common Share, at the Issuer's option, beginning August 1, 2018. The OP Units were fully vested on the date of grant.

F1 · derivative.expiration_date: Each Operating Partnership Unit ("OP Unit") in JBG SMITH Properties LP, the operating partnership of JBG SMITH Properties (the "Issuer"), is redeemable by the holder for one common share of the Issuer, par value $0.01 (a "Common Share"), or the cash value of a Common Share, at the Issuer's option, beginning August 1, 2018. The OP Units were fully vested on the date of grant.

SEC source: 0001104659-18-049194 · a4.xml · nonDerivative · entry 1

Iker James Lee · CIK 0001708639 · Chief Investment Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By JI Fund Holdings High, L.L.C.

Disclosed balance after: 47,673

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each Operating Partnership Unit ("OP Unit") in JBG SMITH Properties LP, the operating partnership of JBG SMITH Properties (the "Issuer"), is redeemable by the holder for one common share of the Issuer, par value $0.01 (a "Common Share"), or the cash value of a Common Share, at the Issuer's option, beginning August 1, 2018. The OP Units were fully vested on the date of grant.

SEC source: 0001104659-18-006928 · a4.xml · derivative · entry 2

Iker James Lee · CIK 0001708639 · Chief Investment Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 102,036

Underlying: Common Shares · 32,708 shares

Expires not disclosed

F3 · derivative.exercise_price: The reporting person received a grant of LTIP Units pursuant to the Omnibus Plan. These LTIP Units, plus any LTIP Units received in respect of accrued dividend equivalents pursuant to the terms of the award agreements, are a class of units in the OP that, if earned and vested, are convertible at the option of the holder, conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, into an equal number of OP Units. The resulting OP Units are redeemable by the holder for one Common Share per OP Unit or the cash value of a Common Share, at the Issuer's option, after the two year anniversary of the LTIP Units issuance.

F4 · derivative.exercise_price: These LTIP Units, or a portion thereof, may become earned based on the Issuer's achievement of the performance conditions set forth in the award agreement over a three-year performance period commencing January 31, 2018 (or under certain circumstances, over an additional seven-year performance period thereafter). To the extent earned, the LTIP Units will vest 50% on the date the number of LTIP Units that become earned is determined and 50% on January 30, 2022 (or, if any LTIP Units become earned during the additional seven-year performance period, on such date the LTIP Units become earned), subject to the reporting person's continued employment through each vesting date.

F3 · price: The reporting person received a grant of LTIP Units pursuant to the Omnibus Plan. These LTIP Units, plus any LTIP Units received in respect of accrued dividend equivalents pursuant to the terms of the award agreements, are a class of units in the OP that, if earned and vested, are convertible at the option of the holder, conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, into an equal number of OP Units. The resulting OP Units are redeemable by the holder for one Common Share per OP Unit or the cash value of a Common Share, at the Issuer's option, after the two year anniversary of the LTIP Units issuance.

F4 · price: These LTIP Units, or a portion thereof, may become earned based on the Issuer's achievement of the performance conditions set forth in the award agreement over a three-year performance period commencing January 31, 2018 (or under certain circumstances, over an additional seven-year performance period thereafter). To the extent earned, the LTIP Units will vest 50% on the date the number of LTIP Units that become earned is determined and 50% on January 30, 2022 (or, if any LTIP Units become earned during the additional seven-year performance period, on such date the LTIP Units become earned), subject to the reporting person's continued employment through each vesting date.

F3 · derivative.exercise_date: The reporting person received a grant of LTIP Units pursuant to the Omnibus Plan. These LTIP Units, plus any LTIP Units received in respect of accrued dividend equivalents pursuant to the terms of the award agreements, are a class of units in the OP that, if earned and vested, are convertible at the option of the holder, conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, into an equal number of OP Units. The resulting OP Units are redeemable by the holder for one Common Share per OP Unit or the cash value of a Common Share, at the Issuer's option, after the two year anniversary of the LTIP Units issuance.

F4 · derivative.exercise_date: These LTIP Units, or a portion thereof, may become earned based on the Issuer's achievement of the performance conditions set forth in the award agreement over a three-year performance period commencing January 31, 2018 (or under certain circumstances, over an additional seven-year performance period thereafter). To the extent earned, the LTIP Units will vest 50% on the date the number of LTIP Units that become earned is determined and 50% on January 30, 2022 (or, if any LTIP Units become earned during the additional seven-year performance period, on such date the LTIP Units become earned), subject to the reporting person's continued employment through each vesting date.

F3 · derivative.expiration_date: The reporting person received a grant of LTIP Units pursuant to the Omnibus Plan. These LTIP Units, plus any LTIP Units received in respect of accrued dividend equivalents pursuant to the terms of the award agreements, are a class of units in the OP that, if earned and vested, are convertible at the option of the holder, conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, into an equal number of OP Units. The resulting OP Units are redeemable by the holder for one Common Share per OP Unit or the cash value of a Common Share, at the Issuer's option, after the two year anniversary of the LTIP Units issuance.

F4 · derivative.expiration_date: These LTIP Units, or a portion thereof, may become earned based on the Issuer's achievement of the performance conditions set forth in the award agreement over a three-year performance period commencing January 31, 2018 (or under certain circumstances, over an additional seven-year performance period thereafter). To the extent earned, the LTIP Units will vest 50% on the date the number of LTIP Units that become earned is determined and 50% on January 30, 2022 (or, if any LTIP Units become earned during the additional seven-year performance period, on such date the LTIP Units become earned), subject to the reporting person's continued employment through each vesting date.

SEC source: 0001104659-18-006928 · a4.xml · derivative · entry 1

Iker James Lee · CIK 0001708639 · Chief Investment Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 69,328

Underlying: Common Shares · 17,761 shares

Expires not disclosed

F1 · derivative.exercise_price: The reporting person received a grant of limited partnership units in JBG SMITH Properties LP, JBG SMITH Properties' (the "Issuer's") operating partnership (the "OP"), designated as LTIP Units ("LTIP Units") pursuant to the JBG SMITH Properties 2017 Omnibus Share Plan ("Omnibus Plan"). These LTIP Units are a class of units in the OP that, if vested, are convertible at the option of the holder, conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, into an equal number of operating partnership units in the OP ("OP Units"). The resulting OP Units are redeemable by the holder for one common share of the Issuer, par value $0.01 (a "Common Share") per OP Unit or the cash value of a Common Share, at the Issuer's option, after the two year anniversary of the LTIP issuance.

F2 · derivative.exercise_price: The LTIP Units vest 25% on each of the first through fourth anniversaries of January 1, 2018, subject to reporting person's continued employment through each vesting date.

F1 · price: The reporting person received a grant of limited partnership units in JBG SMITH Properties LP, JBG SMITH Properties' (the "Issuer's") operating partnership (the "OP"), designated as LTIP Units ("LTIP Units") pursuant to the JBG SMITH Properties 2017 Omnibus Share Plan ("Omnibus Plan"). These LTIP Units are a class of units in the OP that, if vested, are convertible at the option of the holder, conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, into an equal number of operating partnership units in the OP ("OP Units"). The resulting OP Units are redeemable by the holder for one common share of the Issuer, par value $0.01 (a "Common Share") per OP Unit or the cash value of a Common Share, at the Issuer's option, after the two year anniversary of the LTIP issuance.

F2 · price: The LTIP Units vest 25% on each of the first through fourth anniversaries of January 1, 2018, subject to reporting person's continued employment through each vesting date.

F1 · derivative.exercise_date: The reporting person received a grant of limited partnership units in JBG SMITH Properties LP, JBG SMITH Properties' (the "Issuer's") operating partnership (the "OP"), designated as LTIP Units ("LTIP Units") pursuant to the JBG SMITH Properties 2017 Omnibus Share Plan ("Omnibus Plan"). These LTIP Units are a class of units in the OP that, if vested, are convertible at the option of the holder, conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, into an equal number of operating partnership units in the OP ("OP Units"). The resulting OP Units are redeemable by the holder for one common share of the Issuer, par value $0.01 (a "Common Share") per OP Unit or the cash value of a Common Share, at the Issuer's option, after the two year anniversary of the LTIP issuance.

F2 · derivative.exercise_date: The LTIP Units vest 25% on each of the first through fourth anniversaries of January 1, 2018, subject to reporting person's continued employment through each vesting date.

F1 · derivative.expiration_date: The reporting person received a grant of limited partnership units in JBG SMITH Properties LP, JBG SMITH Properties' (the "Issuer's") operating partnership (the "OP"), designated as LTIP Units ("LTIP Units") pursuant to the JBG SMITH Properties 2017 Omnibus Share Plan ("Omnibus Plan"). These LTIP Units are a class of units in the OP that, if vested, are convertible at the option of the holder, conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, into an equal number of operating partnership units in the OP ("OP Units"). The resulting OP Units are redeemable by the holder for one common share of the Issuer, par value $0.01 (a "Common Share") per OP Unit or the cash value of a Common Share, at the Issuer's option, after the two year anniversary of the LTIP issuance.

F2 · derivative.expiration_date: The LTIP Units vest 25% on each of the first through fourth anniversaries of January 1, 2018, subject to reporting person's continued employment through each vesting date.

SEC source: 0001104659-17-048973 · a4.xml · derivative · entry 2

Iker James Lee · CIK 0001708639 · Chief Investment Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 51,567

Underlying: Common Shares · 34,378 shares

Expires not disclosed

F3 · derivative.exercise_price: The reporting person received a grant of LTIP Units pursuant to the Omnibus Plan. These LTIP Units, plus any LTIP Units received in respect of accrued dividend equivalents pursuant to the terms of the award agreements, are a class of units in the OP that, if earned and vested, are convertible at the option of the holder, conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, into an equal number of OP Units. The resulting OP Units are redeemable by the holder for one Common Share per OP Unit or the cash value of a Common Share, at the Issuer's option, after the two year anniversary of the LTIP Units issuance.

F4 · derivative.exercise_price: These LTIP Units, to the extent earned based on the Issuer's achievement of the performance conditions set forth in the award agreement over a three-year performance period, will vest 50% on the date the number of LTIP Units that become earned is determined and 50% on the fourth anniversary of the date of grant, subject to the reporting person's continued employment.

F3 · price: The reporting person received a grant of LTIP Units pursuant to the Omnibus Plan. These LTIP Units, plus any LTIP Units received in respect of accrued dividend equivalents pursuant to the terms of the award agreements, are a class of units in the OP that, if earned and vested, are convertible at the option of the holder, conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, into an equal number of OP Units. The resulting OP Units are redeemable by the holder for one Common Share per OP Unit or the cash value of a Common Share, at the Issuer's option, after the two year anniversary of the LTIP Units issuance.

F4 · price: These LTIP Units, to the extent earned based on the Issuer's achievement of the performance conditions set forth in the award agreement over a three-year performance period, will vest 50% on the date the number of LTIP Units that become earned is determined and 50% on the fourth anniversary of the date of grant, subject to the reporting person's continued employment.

F3 · derivative.exercise_date: The reporting person received a grant of LTIP Units pursuant to the Omnibus Plan. These LTIP Units, plus any LTIP Units received in respect of accrued dividend equivalents pursuant to the terms of the award agreements, are a class of units in the OP that, if earned and vested, are convertible at the option of the holder, conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, into an equal number of OP Units. The resulting OP Units are redeemable by the holder for one Common Share per OP Unit or the cash value of a Common Share, at the Issuer's option, after the two year anniversary of the LTIP Units issuance.

F4 · derivative.exercise_date: These LTIP Units, to the extent earned based on the Issuer's achievement of the performance conditions set forth in the award agreement over a three-year performance period, will vest 50% on the date the number of LTIP Units that become earned is determined and 50% on the fourth anniversary of the date of grant, subject to the reporting person's continued employment.

F3 · derivative.expiration_date: The reporting person received a grant of LTIP Units pursuant to the Omnibus Plan. These LTIP Units, plus any LTIP Units received in respect of accrued dividend equivalents pursuant to the terms of the award agreements, are a class of units in the OP that, if earned and vested, are convertible at the option of the holder, conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, into an equal number of OP Units. The resulting OP Units are redeemable by the holder for one Common Share per OP Unit or the cash value of a Common Share, at the Issuer's option, after the two year anniversary of the LTIP Units issuance.

F4 · derivative.expiration_date: These LTIP Units, to the extent earned based on the Issuer's achievement of the performance conditions set forth in the award agreement over a three-year performance period, will vest 50% on the date the number of LTIP Units that become earned is determined and 50% on the fourth anniversary of the date of grant, subject to the reporting person's continued employment.

SEC source: 0001104659-17-048973 · a4.xml · derivative · entry 1

Iker James Lee · CIK 0001708639 · Chief Investment Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,189

Underlying: Common Shares · 17,189 shares

Expires not disclosed

F1 · derivative.exercise_price: The reporting person received a grant of limited partnership units in JBG SMITH Properties LP, JBG SMITH Properties' (the "Issuer's") operating partnership (the "OP"), designated as LTIP Units ("LTIP Units") pursuant to the JBG SMITH Properties 2017 Omnibus Share Plan ("Omnibus Plan"). These LTIP Units are a class of units in the OP that, if vested, are convertible at the option of the holder, conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, into an equal number of operating partnership units in the OP ("OP Units"). The resulting OP Units are redeemable by the holder for one common share of the Issuer, par value $0.01 (a "Common Share") per OP Unit or the cash value of a Common Share, at the Issuer's option, after the two year anniversary of the LTIP issuance.

F2 · derivative.exercise_price: The LTIP Units vest in equal annual installments on the first through fourth anniversaries of the date of grant, subject to reporting person's continued employment through each vesting date.

F1 · price: The reporting person received a grant of limited partnership units in JBG SMITH Properties LP, JBG SMITH Properties' (the "Issuer's") operating partnership (the "OP"), designated as LTIP Units ("LTIP Units") pursuant to the JBG SMITH Properties 2017 Omnibus Share Plan ("Omnibus Plan"). These LTIP Units are a class of units in the OP that, if vested, are convertible at the option of the holder, conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, into an equal number of operating partnership units in the OP ("OP Units"). The resulting OP Units are redeemable by the holder for one common share of the Issuer, par value $0.01 (a "Common Share") per OP Unit or the cash value of a Common Share, at the Issuer's option, after the two year anniversary of the LTIP issuance.

F2 · price: The LTIP Units vest in equal annual installments on the first through fourth anniversaries of the date of grant, subject to reporting person's continued employment through each vesting date.

F1 · derivative.exercise_date: The reporting person received a grant of limited partnership units in JBG SMITH Properties LP, JBG SMITH Properties' (the "Issuer's") operating partnership (the "OP"), designated as LTIP Units ("LTIP Units") pursuant to the JBG SMITH Properties 2017 Omnibus Share Plan ("Omnibus Plan"). These LTIP Units are a class of units in the OP that, if vested, are convertible at the option of the holder, conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, into an equal number of operating partnership units in the OP ("OP Units"). The resulting OP Units are redeemable by the holder for one common share of the Issuer, par value $0.01 (a "Common Share") per OP Unit or the cash value of a Common Share, at the Issuer's option, after the two year anniversary of the LTIP issuance.

F2 · derivative.exercise_date: The LTIP Units vest in equal annual installments on the first through fourth anniversaries of the date of grant, subject to reporting person's continued employment through each vesting date.

F1 · derivative.expiration_date: The reporting person received a grant of limited partnership units in JBG SMITH Properties LP, JBG SMITH Properties' (the "Issuer's") operating partnership (the "OP"), designated as LTIP Units ("LTIP Units") pursuant to the JBG SMITH Properties 2017 Omnibus Share Plan ("Omnibus Plan"). These LTIP Units are a class of units in the OP that, if vested, are convertible at the option of the holder, conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, into an equal number of operating partnership units in the OP ("OP Units"). The resulting OP Units are redeemable by the holder for one common share of the Issuer, par value $0.01 (a "Common Share") per OP Unit or the cash value of a Common Share, at the Issuer's option, after the two year anniversary of the LTIP issuance.

F2 · derivative.expiration_date: The LTIP Units vest in equal annual installments on the first through fourth anniversaries of the date of grant, subject to reporting person's continued employment through each vesting date.

SEC source: 0001123292-17-001321 · edgar.xml · derivative · entry 5

Iker James Lee · CIK 0001708639 · Chief Investment Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 161,725

Underlying: Common Shares · 161,725 shares

Expires not disclosed

F3 · derivative.exercise_price: The reporting person received a grant of limited partnership interests in the OP designated as Formation Units ("Formation Units") pursuant to the JBG SMITH Properties 2017 Omnibus Share Plan. Formation Units are a class of units in the OP similar to "net exercise" stock option awards, that are convertible by the holder, once vested, into a number of vested limited partnership units of the OP designated as LTIP Units ("LTIP Units"), determined by the increase in the value of a Common Share at the time of conversion over the value of a Common Share at the time the Formation Unit was granted. [footnote continued]

F4 · derivative.exercise_price: [Continued from footnote] Vested LTIP Units into which Formation Units have been converted are further convertible at the option of the holder, conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, into an equal number of OP Units. The resulting OP Units are redeemable by the holder for one Common Share per OP Unit or the cash value of a Common Share, at the Issuer's option, after the two year anniversary of the issuance of the Formation Units. The Formation Units will vest 25% on each of the third and fourth anniversaries, and 50% on the fifth anniversary, of the closing of the Combination, subject to continued employment through each vesting date.

F3 · price: The reporting person received a grant of limited partnership interests in the OP designated as Formation Units ("Formation Units") pursuant to the JBG SMITH Properties 2017 Omnibus Share Plan. Formation Units are a class of units in the OP similar to "net exercise" stock option awards, that are convertible by the holder, once vested, into a number of vested limited partnership units of the OP designated as LTIP Units ("LTIP Units"), determined by the increase in the value of a Common Share at the time of conversion over the value of a Common Share at the time the Formation Unit was granted. [footnote continued]

F4 · price: [Continued from footnote] Vested LTIP Units into which Formation Units have been converted are further convertible at the option of the holder, conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, into an equal number of OP Units. The resulting OP Units are redeemable by the holder for one Common Share per OP Unit or the cash value of a Common Share, at the Issuer's option, after the two year anniversary of the issuance of the Formation Units. The Formation Units will vest 25% on each of the third and fourth anniversaries, and 50% on the fifth anniversary, of the closing of the Combination, subject to continued employment through each vesting date.

F3 · derivative.exercise_date: The reporting person received a grant of limited partnership interests in the OP designated as Formation Units ("Formation Units") pursuant to the JBG SMITH Properties 2017 Omnibus Share Plan. Formation Units are a class of units in the OP similar to "net exercise" stock option awards, that are convertible by the holder, once vested, into a number of vested limited partnership units of the OP designated as LTIP Units ("LTIP Units"), determined by the increase in the value of a Common Share at the time of conversion over the value of a Common Share at the time the Formation Unit was granted. [footnote continued]

F4 · derivative.exercise_date: [Continued from footnote] Vested LTIP Units into which Formation Units have been converted are further convertible at the option of the holder, conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, into an equal number of OP Units. The resulting OP Units are redeemable by the holder for one Common Share per OP Unit or the cash value of a Common Share, at the Issuer's option, after the two year anniversary of the issuance of the Formation Units. The Formation Units will vest 25% on each of the third and fourth anniversaries, and 50% on the fifth anniversary, of the closing of the Combination, subject to continued employment through each vesting date.

F3 · derivative.expiration_date: The reporting person received a grant of limited partnership interests in the OP designated as Formation Units ("Formation Units") pursuant to the JBG SMITH Properties 2017 Omnibus Share Plan. Formation Units are a class of units in the OP similar to "net exercise" stock option awards, that are convertible by the holder, once vested, into a number of vested limited partnership units of the OP designated as LTIP Units ("LTIP Units"), determined by the increase in the value of a Common Share at the time of conversion over the value of a Common Share at the time the Formation Unit was granted. [footnote continued]

F4 · derivative.expiration_date: [Continued from footnote] Vested LTIP Units into which Formation Units have been converted are further convertible at the option of the holder, conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, into an equal number of OP Units. The resulting OP Units are redeemable by the holder for one Common Share per OP Unit or the cash value of a Common Share, at the Issuer's option, after the two year anniversary of the issuance of the Formation Units. The Formation Units will vest 25% on each of the third and fourth anniversaries, and 50% on the fifth anniversary, of the closing of the Combination, subject to continued employment through each vesting date.

F3 · derivative.underlying_shares: The reporting person received a grant of limited partnership interests in the OP designated as Formation Units ("Formation Units") pursuant to the JBG SMITH Properties 2017 Omnibus Share Plan. Formation Units are a class of units in the OP similar to "net exercise" stock option awards, that are convertible by the holder, once vested, into a number of vested limited partnership units of the OP designated as LTIP Units ("LTIP Units"), determined by the increase in the value of a Common Share at the time of conversion over the value of a Common Share at the time the Formation Unit was granted. [footnote continued]

F4 · derivative.underlying_shares: [Continued from footnote] Vested LTIP Units into which Formation Units have been converted are further convertible at the option of the holder, conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes, into an equal number of OP Units. The resulting OP Units are redeemable by the holder for one Common Share per OP Unit or the cash value of a Common Share, at the Issuer's option, after the two year anniversary of the issuance of the Formation Units. The Formation Units will vest 25% on each of the third and fourth anniversaries, and 50% on the fifth anniversary, of the closing of the Combination, subject to continued employment through each vesting date.

SEC source: 0001123292-17-001321 · edgar.xml · derivative · entry 4

Iker James Lee · CIK 0001708639 · Chief Investment Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · JI Fund Holdings Medium, L.L.C.

Disclosed balance after: 40,017

Underlying: Common Shares · 40,017 shares

Expires not disclosed

F1 · derivative.exercise_price: Operating Partnership Units ("OP Units") in JBG Smith Properties LP, JBG Smith Properties' (the "Issuer's") operating partnership (the "OP"). OP Units are redeemable by the holder for one common share of the Issuer, par value $0.01 (a "Common Share"), per OP Unit or the cash value of a Common Share, at the Issuer's option, beginning one year following the beginning of the first full calendar month following the Combination (as defined below). The OP Units will be fully vested on the date of grant. These OP Units were issued as consideration for the contribution of certain assets of The JBG Companies to the Issuer or its subsidiaries (the "Combination").

F1 · price: Operating Partnership Units ("OP Units") in JBG Smith Properties LP, JBG Smith Properties' (the "Issuer's") operating partnership (the "OP"). OP Units are redeemable by the holder for one common share of the Issuer, par value $0.01 (a "Common Share"), per OP Unit or the cash value of a Common Share, at the Issuer's option, beginning one year following the beginning of the first full calendar month following the Combination (as defined below). The OP Units will be fully vested on the date of grant. These OP Units were issued as consideration for the contribution of certain assets of The JBG Companies to the Issuer or its subsidiaries (the "Combination").

F1 · derivative.exercise_date: Operating Partnership Units ("OP Units") in JBG Smith Properties LP, JBG Smith Properties' (the "Issuer's") operating partnership (the "OP"). OP Units are redeemable by the holder for one common share of the Issuer, par value $0.01 (a "Common Share"), per OP Unit or the cash value of a Common Share, at the Issuer's option, beginning one year following the beginning of the first full calendar month following the Combination (as defined below). The OP Units will be fully vested on the date of grant. These OP Units were issued as consideration for the contribution of certain assets of The JBG Companies to the Issuer or its subsidiaries (the "Combination").

F1 · derivative.expiration_date: Operating Partnership Units ("OP Units") in JBG Smith Properties LP, JBG Smith Properties' (the "Issuer's") operating partnership (the "OP"). OP Units are redeemable by the holder for one common share of the Issuer, par value $0.01 (a "Common Share"), per OP Unit or the cash value of a Common Share, at the Issuer's option, beginning one year following the beginning of the first full calendar month following the Combination (as defined below). The OP Units will be fully vested on the date of grant. These OP Units were issued as consideration for the contribution of certain assets of The JBG Companies to the Issuer or its subsidiaries (the "Combination").

SEC source: 0001123292-17-001321 · edgar.xml · derivative · entry 3

Iker James Lee · CIK 0001708639 · Chief Investment Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By JI Fund Holdings High, L.L.C.

Disclosed balance after: 47,673

Underlying: Common Shares · 47,673 shares

Expires not disclosed

F1 · derivative.exercise_price: Operating Partnership Units ("OP Units") in JBG Smith Properties LP, JBG Smith Properties' (the "Issuer's") operating partnership (the "OP"). OP Units are redeemable by the holder for one common share of the Issuer, par value $0.01 (a "Common Share"), per OP Unit or the cash value of a Common Share, at the Issuer's option, beginning one year following the beginning of the first full calendar month following the Combination (as defined below). The OP Units will be fully vested on the date of grant. These OP Units were issued as consideration for the contribution of certain assets of The JBG Companies to the Issuer or its subsidiaries (the "Combination").

F1 · price: Operating Partnership Units ("OP Units") in JBG Smith Properties LP, JBG Smith Properties' (the "Issuer's") operating partnership (the "OP"). OP Units are redeemable by the holder for one common share of the Issuer, par value $0.01 (a "Common Share"), per OP Unit or the cash value of a Common Share, at the Issuer's option, beginning one year following the beginning of the first full calendar month following the Combination (as defined below). The OP Units will be fully vested on the date of grant. These OP Units were issued as consideration for the contribution of certain assets of The JBG Companies to the Issuer or its subsidiaries (the "Combination").

F1 · derivative.exercise_date: Operating Partnership Units ("OP Units") in JBG Smith Properties LP, JBG Smith Properties' (the "Issuer's") operating partnership (the "OP"). OP Units are redeemable by the holder for one common share of the Issuer, par value $0.01 (a "Common Share"), per OP Unit or the cash value of a Common Share, at the Issuer's option, beginning one year following the beginning of the first full calendar month following the Combination (as defined below). The OP Units will be fully vested on the date of grant. These OP Units were issued as consideration for the contribution of certain assets of The JBG Companies to the Issuer or its subsidiaries (the "Combination").

F1 · derivative.expiration_date: Operating Partnership Units ("OP Units") in JBG Smith Properties LP, JBG Smith Properties' (the "Issuer's") operating partnership (the "OP"). OP Units are redeemable by the holder for one common share of the Issuer, par value $0.01 (a "Common Share"), per OP Unit or the cash value of a Common Share, at the Issuer's option, beginning one year following the beginning of the first full calendar month following the Combination (as defined below). The OP Units will be fully vested on the date of grant. These OP Units were issued as consideration for the contribution of certain assets of The JBG Companies to the Issuer or its subsidiaries (the "Combination").

SEC source: 0001123292-17-001321 · edgar.xml · derivative · entry 2

Iker James Lee · CIK 0001708639 · Chief Investment Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 931,823

Underlying: Common Shares · 886,130 shares

Expires not disclosed

F2 · derivative.exercise_price: These OP Units, if vested, are redeemable by the holder for one Common Share per OP Unit or the cash value of a Common Share, at the Issuer's option, beginning one year following the beginning of the first full calendar month following the Combination. These OP Units vest 50% upon the closing of the Combination, and 50% in equal monthly installments, beginning on the first day of the 31st month after the Combination and ending on the first day of the 60th month after the Combination, subject to the reporting person's continued employment through each vesting date.

F2 · price: These OP Units, if vested, are redeemable by the holder for one Common Share per OP Unit or the cash value of a Common Share, at the Issuer's option, beginning one year following the beginning of the first full calendar month following the Combination. These OP Units vest 50% upon the closing of the Combination, and 50% in equal monthly installments, beginning on the first day of the 31st month after the Combination and ending on the first day of the 60th month after the Combination, subject to the reporting person's continued employment through each vesting date.

F2 · derivative.exercise_date: These OP Units, if vested, are redeemable by the holder for one Common Share per OP Unit or the cash value of a Common Share, at the Issuer's option, beginning one year following the beginning of the first full calendar month following the Combination. These OP Units vest 50% upon the closing of the Combination, and 50% in equal monthly installments, beginning on the first day of the 31st month after the Combination and ending on the first day of the 60th month after the Combination, subject to the reporting person's continued employment through each vesting date.

F2 · derivative.expiration_date: These OP Units, if vested, are redeemable by the holder for one Common Share per OP Unit or the cash value of a Common Share, at the Issuer's option, beginning one year following the beginning of the first full calendar month following the Combination. These OP Units vest 50% upon the closing of the Combination, and 50% in equal monthly installments, beginning on the first day of the 31st month after the Combination and ending on the first day of the 60th month after the Combination, subject to the reporting person's continued employment through each vesting date.

SEC source: 0001123292-17-001321 · edgar.xml · derivative · entry 1

Iker James Lee · CIK 0001708639 · Chief Investment Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 45,693

Underlying: Common Shares · 45,693 shares

Expires not disclosed

F1 · derivative.exercise_price: Operating Partnership Units ("OP Units") in JBG Smith Properties LP, JBG Smith Properties' (the "Issuer's") operating partnership (the "OP"). OP Units are redeemable by the holder for one common share of the Issuer, par value $0.01 (a "Common Share"), per OP Unit or the cash value of a Common Share, at the Issuer's option, beginning one year following the beginning of the first full calendar month following the Combination (as defined below). The OP Units will be fully vested on the date of grant. These OP Units were issued as consideration for the contribution of certain assets of The JBG Companies to the Issuer or its subsidiaries (the "Combination").

F1 · price: Operating Partnership Units ("OP Units") in JBG Smith Properties LP, JBG Smith Properties' (the "Issuer's") operating partnership (the "OP"). OP Units are redeemable by the holder for one common share of the Issuer, par value $0.01 (a "Common Share"), per OP Unit or the cash value of a Common Share, at the Issuer's option, beginning one year following the beginning of the first full calendar month following the Combination (as defined below). The OP Units will be fully vested on the date of grant. These OP Units were issued as consideration for the contribution of certain assets of The JBG Companies to the Issuer or its subsidiaries (the "Combination").

F1 · derivative.exercise_date: Operating Partnership Units ("OP Units") in JBG Smith Properties LP, JBG Smith Properties' (the "Issuer's") operating partnership (the "OP"). OP Units are redeemable by the holder for one common share of the Issuer, par value $0.01 (a "Common Share"), per OP Unit or the cash value of a Common Share, at the Issuer's option, beginning one year following the beginning of the first full calendar month following the Combination (as defined below). The OP Units will be fully vested on the date of grant. These OP Units were issued as consideration for the contribution of certain assets of The JBG Companies to the Issuer or its subsidiaries (the "Combination").

F1 · derivative.expiration_date: Operating Partnership Units ("OP Units") in JBG Smith Properties LP, JBG Smith Properties' (the "Issuer's") operating partnership (the "OP"). OP Units are redeemable by the holder for one common share of the Issuer, par value $0.01 (a "Common Share"), per OP Unit or the cash value of a Common Share, at the Issuer's option, beginning one year following the beginning of the first full calendar month following the Combination (as defined below). The OP Units will be fully vested on the date of grant. These OP Units were issued as consideration for the contribution of certain assets of The JBG Companies to the Issuer or its subsidiaries (the "Combination").