DLR

SEC source: 0001415889-21-001134 · form4-03012021_060333.xml · derivative · entry 1

LAPERCH WILLIAM G · CIK 0001263157 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,800

Underlying: Common Stock · 111 shares

Expires not disclosed

F1 · security: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F1 · derivative.exercise_price: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F1 · derivative.exercise_date: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F2 · derivative.expiration_date: N/A

SEC source: 0001415889-21-001130 · form4-03012021_060310.xml · derivative · entry 1

Bjorlin Alexis · CIK 0001798757 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,616

Underlying: Common Stock · 186 shares

Expires not disclosed

F1 · security: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F1 · derivative.exercise_price: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F1 · derivative.exercise_date: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F2 · derivative.expiration_date: N/A

SEC source: 0001415889-21-001126 · form4-03012021_060335.xml · derivative · entry 3

Sanchack Erich · CIK 0001731163 · EVP, OPERATIONS

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 47,688

Underlying: Common Stock · 1,228 shares

Expires not disclosed

F2 · security: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F2 · derivative.exercise_price: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F3 · shares: The units will vest in four equal annual installments beginning on February 27, 2022. The vested profits interest units have no expiration date.

F3 · derivative.exercise_date: The units will vest in four equal annual installments beginning on February 27, 2022. The vested profits interest units have no expiration date.

F3 · derivative.expiration_date: The units will vest in four equal annual installments beginning on February 27, 2022. The vested profits interest units have no expiration date.

SEC source: 0001415889-21-001129 · form4-03012021_060300.xml · derivative · entry 1

Fiedelman Cindy · CIK 0001664785 · CHIEF HUMAN RESOURCES OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,350

Underlying: Common Stock · 245 shares

Expires not disclosed

F1 · security: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F1 · derivative.exercise_price: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F2 · shares: The units will vest in four equal annual installments beginning on February 27, 2022. The vested profits interest units have no expiration date.

F2 · derivative.exercise_date: The units will vest in four equal annual installments beginning on February 27, 2022. The vested profits interest units have no expiration date.

F2 · derivative.expiration_date: The units will vest in four equal annual installments beginning on February 27, 2022. The vested profits interest units have no expiration date.

SEC source: 0001415889-21-001124 · form4-03012021_060330.xml · nonDerivative · entry 1

Corey Dyer · CIK 0001764577 · EVP, GLOBAL SALES & MARKETING

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,123

F1 · shares: Represents an award of Restricted Stock Units, each of which represents a contingent right to receive one share of the Issuer's common stock, which will vest in four equal annual installments beginning on February 27, 2021.

SEC source: 0001415889-21-001119 · form4-03012021_060338.xml · derivative · entry 2

Stein A William · CIK 0001307117 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 653,349

Underlying: Common Stock · 37,238 shares

Expires not disclosed

F1 · security: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F1 · derivative.exercise_price: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F3 · shares: The units will vest in two equal annual installments beginning on February 25, 2022. The vested profits interest units have no expiration date.

F3 · derivative.exercise_date: The units will vest in two equal annual installments beginning on February 25, 2022. The vested profits interest units have no expiration date.

F3 · derivative.expiration_date: The units will vest in two equal annual installments beginning on February 25, 2022. The vested profits interest units have no expiration date.

SEC source: 0001415889-21-001119 · form4-03012021_060338.xml · derivative · entry 1

Stein A William · CIK 0001307117 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 616,111

Underlying: Common Stock · 2,792 shares

Expires not disclosed

F1 · security: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F1 · derivative.exercise_price: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F2 · shares: The units will vest in four equal annual installments beginning on February 27, 2022. The vested profits interest units have no expiration date.

F2 · derivative.exercise_date: The units will vest in four equal annual installments beginning on February 27, 2022. The vested profits interest units have no expiration date.

F2 · derivative.expiration_date: The units will vest in four equal annual installments beginning on February 27, 2022. The vested profits interest units have no expiration date.

SEC source: 0001415889-21-001113 · form4-03012021_060342.xml · derivative · entry 3

Wright Gregory S · CIK 0001763455 · CHIEF INVESTMENT OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,702

Underlying: Common Stock · 2,457 shares

Expires not disclosed

F1 · security: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F1 · derivative.exercise_price: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F2 · shares: The units will vest in four equal annual installments beginning on February 27, 2022. The vested profits interest units have no expiration date.

F2 · derivative.exercise_date: The units will vest in four equal annual installments beginning on February 27, 2022. The vested profits interest units have no expiration date.

F2 · derivative.expiration_date: The units will vest in four equal annual installments beginning on February 27, 2022. The vested profits interest units have no expiration date.

SEC source: 0001415889-21-000515 · form4-02022021_040223.xml · derivative · entry 3

Fiedelman Cindy · CIK 0001664785 · CHIEF HUMAN RESOURCES OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,105

Underlying: Common Stock · 1,024 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.

F2 · security: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F2 · derivative.exercise_price: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F3 · shares: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 plan previously adopted by Ms. Fiedelman.

F2 · derivative.exercise_date: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F4 · derivative.expiration_date: N/A

SEC source: 0001415889-21-000515 · form4-02022021_040223.xml · nonDerivative · entry 2

Fiedelman Cindy · CIK 0001664785 · CHIEF HUMAN RESOURCES OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F2 · shares: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

SEC source: 0001415889-21-000515 · form4-02022021_040223.xml · nonDerivative · entry 1

Fiedelman Cindy · CIK 0001664785 · CHIEF HUMAN RESOURCES OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,024

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 · kind: The reporting person converted long-term incentive units into common limited partnership units ("Common Units") of Digital Realty Trust, L.P . (the "Operating Partnership"), of which the Issuer is the general partner, and subsequently redeemed the Common Units for shares of the common stock of the Issuer, all in accordance with the requirements of the Limited Partnership Agreement of the Operating Partnership.

F2 · shares: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

SEC source: 0001415889-21-003041 · form4-06162021_060612.xml · nonDerivative · entry 4

Mercier Matt · CIK 0001807381 · SVP, FINANCE AND ACCOUNTING

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 205.38

SEC source: 0001415889-21-000159 · form4-01052021_040105.xml · derivative · entry 4

Mills Joshua A. · CIK 0001325876 · EVP, GENERAL COUNSEL

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 67,066

Underlying: Common Stock · 54 shares

Expires not disclosed

F1 · security: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F1 · derivative.exercise_price: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F5 · kind: In accordance with the requirements of the Limited Partnership Agreement of the Operating Partnership, the Long-Term Incentive Units were converted into Common Units in connection with the Reporting Person's charitable gift.

F1 · derivative.exercise_date: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F6 · derivative.expiration_date: N/A

SEC source: 0001415889-21-001117 · form4-03012021_060317.xml · nonDerivative · entry 2

RUBERG DAVID C · CIK 0001092239 · MANAGING DIRECTOR, EUROPE

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 655,212

SEC source: 0001415889-21-001113 · form4-03012021_060342.xml · nonDerivative · entry 2

Wright Gregory S · CIK 0001763455 · CHIEF INVESTMENT OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 32,005

SEC source: 0001415889-21-000170 · form4-01052021_040152.xml · derivative · entry 2

Sanchack Erich · CIK 0001731163 · EVP, OPERATIONS

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 46,460

Underlying: Common Stock · 19,734 shares

Expires not disclosed

F1 · security: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F1 · derivative.exercise_price: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F3 · shares: Reflects an award initially granted on March 1, 2018 that was subject to a performance-based vesting condition which was determined to be satisfied on January 3, 2021. The number of units reported herein includes 1718 distribution equivalent units, which vested effective as of December 31, 2020. The remaining 18016 units are subject to an additional time-based vesting condition, pursuant to which 50% of the units will vest annually over two years, beginning on February 27, 2021. The vested profits interest units have no expiration date.

F3 · derivative.exercise_date: Reflects an award initially granted on March 1, 2018 that was subject to a performance-based vesting condition which was determined to be satisfied on January 3, 2021. The number of units reported herein includes 1718 distribution equivalent units, which vested effective as of December 31, 2020. The remaining 18016 units are subject to an additional time-based vesting condition, pursuant to which 50% of the units will vest annually over two years, beginning on February 27, 2021. The vested profits interest units have no expiration date.

F3 · derivative.expiration_date: Reflects an award initially granted on March 1, 2018 that was subject to a performance-based vesting condition which was determined to be satisfied on January 3, 2021. The number of units reported herein includes 1718 distribution equivalent units, which vested effective as of December 31, 2020. The remaining 18016 units are subject to an additional time-based vesting condition, pursuant to which 50% of the units will vest annually over two years, beginning on February 27, 2021. The vested profits interest units have no expiration date.

SEC source: 0001415889-21-000155 · form4-01052021_030146.xml · derivative · entry 3

Fiedelman Cindy · CIK 0001664785 · CHIEF HUMAN RESOURCES OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 32,129

Underlying: Common Stock · 1,339 shares

Expires not disclosed

F1 · security: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F1 · derivative.exercise_price: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F4 · shares: Reflects an award initially granted on March 9, 2018 that was subject to a performance-based vesting condition which was determined to be satisfied on January 3, 2021. The number of units reported herein includes 117 distribution equivalent units, which vested effective as of December 31, 2020. The remaining 1222 units are subject to an additional time-based vesting condition, pursuant to which 50% of the units will vest annually over two years, beginning on February 27, 2021. The vested profits interest units have no expiration date.

F4 · derivative.exercise_date: Reflects an award initially granted on March 9, 2018 that was subject to a performance-based vesting condition which was determined to be satisfied on January 3, 2021. The number of units reported herein includes 117 distribution equivalent units, which vested effective as of December 31, 2020. The remaining 1222 units are subject to an additional time-based vesting condition, pursuant to which 50% of the units will vest annually over two years, beginning on February 27, 2021. The vested profits interest units have no expiration date.

F4 · derivative.expiration_date: Reflects an award initially granted on March 9, 2018 that was subject to a performance-based vesting condition which was determined to be satisfied on January 3, 2021. The number of units reported herein includes 117 distribution equivalent units, which vested effective as of December 31, 2020. The remaining 1222 units are subject to an additional time-based vesting condition, pursuant to which 50% of the units will vest annually over two years, beginning on February 27, 2021. The vested profits interest units have no expiration date.

SEC source: 0001415889-21-000155 · form4-01052021_030146.xml · derivative · entry 2

Fiedelman Cindy · CIK 0001664785 · CHIEF HUMAN RESOURCES OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,790

Underlying: Common Stock · 9,597 shares

Expires not disclosed

F1 · security: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F1 · derivative.exercise_price: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F3 · shares: Reflects an award initially granted on January 1, 2018 that was subject to a performance-based vesting condition which was determined to be satisfied on January 3, 2021. The number of units reported herein includes 835 distribution equivalent units, which vested effective as of December 31, 2020. The remaining 8762 units are subject to an additional time-based vesting condition, pursuant to which 50% of the units will vest annually over two years, beginning on February 27, 2021. The vested profits interest units have no expiration date.

F3 · derivative.exercise_date: Reflects an award initially granted on January 1, 2018 that was subject to a performance-based vesting condition which was determined to be satisfied on January 3, 2021. The number of units reported herein includes 835 distribution equivalent units, which vested effective as of December 31, 2020. The remaining 8762 units are subject to an additional time-based vesting condition, pursuant to which 50% of the units will vest annually over two years, beginning on February 27, 2021. The vested profits interest units have no expiration date.

F3 · derivative.expiration_date: Reflects an award initially granted on January 1, 2018 that was subject to a performance-based vesting condition which was determined to be satisfied on January 3, 2021. The number of units reported herein includes 835 distribution equivalent units, which vested effective as of December 31, 2020. The remaining 8762 units are subject to an additional time-based vesting condition, pursuant to which 50% of the units will vest annually over two years, beginning on February 27, 2021. The vested profits interest units have no expiration date.

SEC source: 0001415889-21-000159 · form4-01052021_040105.xml · derivative · entry 3

Mills Joshua A. · CIK 0001325876 · EVP, GENERAL COUNSEL

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 67,120

Underlying: Common Stock · 1,339 shares

Expires not disclosed

F1 · security: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F1 · derivative.exercise_price: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F4 · shares: Reflects an award initially granted on March 9, 2018 that was subject to a performance-based vesting condition which was determined to be satisfied on January 3, 2021. The number of units reported herein includes 117 distribution equivalent units, which vested effective as of December 31, 2020. The remaining 1222 units are subject to an additional time-based vesting condition, pursuant to which 50% of the units will vest annually over two years, beginning on February 27, 2021. The vested profits interest units have no expiration date.

F4 · derivative.exercise_date: Reflects an award initially granted on March 9, 2018 that was subject to a performance-based vesting condition which was determined to be satisfied on January 3, 2021. The number of units reported herein includes 117 distribution equivalent units, which vested effective as of December 31, 2020. The remaining 1222 units are subject to an additional time-based vesting condition, pursuant to which 50% of the units will vest annually over two years, beginning on February 27, 2021. The vested profits interest units have no expiration date.

F4 · derivative.expiration_date: Reflects an award initially granted on March 9, 2018 that was subject to a performance-based vesting condition which was determined to be satisfied on January 3, 2021. The number of units reported herein includes 117 distribution equivalent units, which vested effective as of December 31, 2020. The remaining 1222 units are subject to an additional time-based vesting condition, pursuant to which 50% of the units will vest annually over two years, beginning on February 27, 2021. The vested profits interest units have no expiration date.

SEC source: 0001415889-21-000159 · form4-01052021_040105.xml · derivative · entry 2

Mills Joshua A. · CIK 0001325876 · EVP, GENERAL COUNSEL

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 65,781

Underlying: Common Stock · 9,597 shares

Expires not disclosed

F1 · security: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F1 · derivative.exercise_price: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F3 · shares: Reflects an award initially granted on January 1, 2018 that was subject to a performance-based vesting condition which was determined to be satisfied on January 3, 2021. The number of units reported herein includes 835 distribution equivalent units, which vested effective as of December 31, 2020. The remaining 8762 units are subject to an additional time-based vesting condition, pursuant to which 50% of the units will vest annually over two years, beginning on February 27, 2021. The vested profits interest units have no expiration date.

F3 · derivative.exercise_date: Reflects an award initially granted on January 1, 2018 that was subject to a performance-based vesting condition which was determined to be satisfied on January 3, 2021. The number of units reported herein includes 835 distribution equivalent units, which vested effective as of December 31, 2020. The remaining 8762 units are subject to an additional time-based vesting condition, pursuant to which 50% of the units will vest annually over two years, beginning on February 27, 2021. The vested profits interest units have no expiration date.

F3 · derivative.expiration_date: Reflects an award initially granted on January 1, 2018 that was subject to a performance-based vesting condition which was determined to be satisfied on January 3, 2021. The number of units reported herein includes 835 distribution equivalent units, which vested effective as of December 31, 2020. The remaining 8762 units are subject to an additional time-based vesting condition, pursuant to which 50% of the units will vest annually over two years, beginning on February 27, 2021. The vested profits interest units have no expiration date.

SEC source: 0001415889-21-000168 · form4-01052021_040143.xml · derivative · entry 3

Stein A William · CIK 0001307117 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 613,319

Underlying: Common Stock · 9,420 shares

Expires not disclosed

F1 · security: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F1 · derivative.exercise_price: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F4 · shares: Reflects an award initially granted on March 9, 2018 that was subject to a performance-based vesting condition which was determined to be satisfied on January 3, 2021. The number of units reported herein includes 820 distribution equivalent units, which vested effective as of December 31, 2020. The remaining 8600 units are subject to an additional time-based vesting condition, pursuant to which 50% of the units will vest annually over two years, beginning on February 27, 2021. The vested profits interest units have no expiration date.

F4 · derivative.exercise_date: Reflects an award initially granted on March 9, 2018 that was subject to a performance-based vesting condition which was determined to be satisfied on January 3, 2021. The number of units reported herein includes 820 distribution equivalent units, which vested effective as of December 31, 2020. The remaining 8600 units are subject to an additional time-based vesting condition, pursuant to which 50% of the units will vest annually over two years, beginning on February 27, 2021. The vested profits interest units have no expiration date.

F4 · derivative.expiration_date: Reflects an award initially granted on March 9, 2018 that was subject to a performance-based vesting condition which was determined to be satisfied on January 3, 2021. The number of units reported herein includes 820 distribution equivalent units, which vested effective as of December 31, 2020. The remaining 8600 units are subject to an additional time-based vesting condition, pursuant to which 50% of the units will vest annually over two years, beginning on February 27, 2021. The vested profits interest units have no expiration date.

SEC source: 0001415889-21-000168 · form4-01052021_040143.xml · derivative · entry 2

Stein A William · CIK 0001307117 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 603,899

Underlying: Common Stock · 95,696 shares

Expires not disclosed

F1 · security: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F1 · derivative.exercise_price: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F3 · shares: Reflects an award initially granted on January 1, 2018 that was subject to a performance-based vesting condition which was determined to be satisfied on January 3, 2021. The number of units reported herein includes 8330 distribution equivalent units, which vested effective as of December 31, 2020. The remaining 87366 units are subject to an additional time-based vesting condition, pursuant to which 50% of the units will vest annually over two years, beginning on February 27, 2021. The vested profits interest units have no expiration date.

F3 · derivative.exercise_date: Reflects an award initially granted on January 1, 2018 that was subject to a performance-based vesting condition which was determined to be satisfied on January 3, 2021. The number of units reported herein includes 8330 distribution equivalent units, which vested effective as of December 31, 2020. The remaining 87366 units are subject to an additional time-based vesting condition, pursuant to which 50% of the units will vest annually over two years, beginning on February 27, 2021. The vested profits interest units have no expiration date.

F3 · derivative.expiration_date: Reflects an award initially granted on January 1, 2018 that was subject to a performance-based vesting condition which was determined to be satisfied on January 3, 2021. The number of units reported herein includes 8330 distribution equivalent units, which vested effective as of December 31, 2020. The remaining 87366 units are subject to an additional time-based vesting condition, pursuant to which 50% of the units will vest annually over two years, beginning on February 27, 2021. The vested profits interest units have no expiration date.

SEC source: 0001415889-21-000157 · form4-01052021_030104.xml · derivative · entry 2

Mercier Matt · CIK 0001807381 · SVP, FINANCE AND ACCOUNTING

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,320

Underlying: Common Stock · 2,968 shares

Expires not disclosed

F1 · security: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F1 · derivative.exercise_price: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F3 · shares: Reflects an award initially granted on January 1, 2018 that was subject to a performance-based vesting condition which was determined to be satisfied on January 3, 2021. The number of units reported herein includes 258 distribution equivalent units, which vested effective as of December 31, 2020. The remaining 2710 units are subject to an additional time-based vesting condition, pursuant to which 50% of the units will vest annually over two years, beginning on February 27, 2021. The vested profits interest units have no expiration date.

F3 · derivative.exercise_date: Reflects an award initially granted on January 1, 2018 that was subject to a performance-based vesting condition which was determined to be satisfied on January 3, 2021. The number of units reported herein includes 258 distribution equivalent units, which vested effective as of December 31, 2020. The remaining 2710 units are subject to an additional time-based vesting condition, pursuant to which 50% of the units will vest annually over two years, beginning on February 27, 2021. The vested profits interest units have no expiration date.

F3 · derivative.expiration_date: Reflects an award initially granted on January 1, 2018 that was subject to a performance-based vesting condition which was determined to be satisfied on January 3, 2021. The number of units reported herein includes 258 distribution equivalent units, which vested effective as of December 31, 2020. The remaining 2710 units are subject to an additional time-based vesting condition, pursuant to which 50% of the units will vest annually over two years, beginning on February 27, 2021. The vested profits interest units have no expiration date.

SEC source: 0001415889-21-000176 · form4-01052021_050153.xml · derivative · entry 2

Sharp Christopher · CIK 0001714890 · CHIEF TECHNOLOGY OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 49,693

Underlying: Common Stock · 8,997 shares

Expires not disclosed

F1 · security: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F1 · derivative.exercise_price: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F3 · shares: Reflects an award initially granted on January 1, 2018 that was subject to a performance-based vesting condition which was determined to be satisfied on January 3, 2021. The number of units reported herein includes 783 distribution equivalent units, which vested effective as of December 31, 2020. The remaining 8214 units are subject to an additional time-based vesting condition, pursuant to which 50% of the units will vest annually over two years, beginning on February 27, 2021. The vested profits interest units have no expiration date.

F3 · derivative.exercise_date: Reflects an award initially granted on January 1, 2018 that was subject to a performance-based vesting condition which was determined to be satisfied on January 3, 2021. The number of units reported herein includes 783 distribution equivalent units, which vested effective as of December 31, 2020. The remaining 8214 units are subject to an additional time-based vesting condition, pursuant to which 50% of the units will vest annually over two years, beginning on February 27, 2021. The vested profits interest units have no expiration date.

F3 · derivative.expiration_date: Reflects an award initially granted on January 1, 2018 that was subject to a performance-based vesting condition which was determined to be satisfied on January 3, 2021. The number of units reported herein includes 783 distribution equivalent units, which vested effective as of December 31, 2020. The remaining 8214 units are subject to an additional time-based vesting condition, pursuant to which 50% of the units will vest annually over two years, beginning on February 27, 2021. The vested profits interest units have no expiration date.

SEC source: 0001415889-21-000161 · form4-01052021_040147.xml · derivative · entry 3

Power Andrew · CIK 0001641275 · CHIEF FINANCIAL OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 130,804

Underlying: Common Stock · 12,058 shares

Expires not disclosed

F1 · security: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F1 · derivative.exercise_price: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F4 · shares: Reflects an award initially granted on March 9, 2018 that was subject to a performance-based vesting condition which was determined to be satisfied on January 3, 2021. The number of units reported herein includes 1050 distribution equivalent units, which vested effective as of December 31, 2020. The remaining 11008 units are subject to an additional time-based vesting condition, pursuant to which 50% of the units will vest annually over two years, beginning on February 27, 2021. The vested profits interest units have no expiration date.

F4 · derivative.exercise_date: Reflects an award initially granted on March 9, 2018 that was subject to a performance-based vesting condition which was determined to be satisfied on January 3, 2021. The number of units reported herein includes 1050 distribution equivalent units, which vested effective as of December 31, 2020. The remaining 11008 units are subject to an additional time-based vesting condition, pursuant to which 50% of the units will vest annually over two years, beginning on February 27, 2021. The vested profits interest units have no expiration date.

F4 · derivative.expiration_date: Reflects an award initially granted on March 9, 2018 that was subject to a performance-based vesting condition which was determined to be satisfied on January 3, 2021. The number of units reported herein includes 1050 distribution equivalent units, which vested effective as of December 31, 2020. The remaining 11008 units are subject to an additional time-based vesting condition, pursuant to which 50% of the units will vest annually over two years, beginning on February 27, 2021. The vested profits interest units have no expiration date.

SEC source: 0001415889-21-000161 · form4-01052021_040147.xml · derivative · entry 2

Power Andrew · CIK 0001641275 · CHIEF FINANCIAL OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 118,746

Underlying: Common Stock · 23,995 shares

Expires not disclosed

F1 · security: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F1 · derivative.exercise_price: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F3 · shares: Reflects an award initially granted on January 1, 2018 that was subject to a performance-based vesting condition which was determined to be satisfied on January 3, 2021. The number of units reported herein includes 2089 distribution equivalent units, which vested effective as of December 31, 2020. The remaining 21906 units are subject to an additional time-based vesting condition, pursuant to which 50% of the units will vest annually over two years, beginning on February 27, 2021. The vested profits interest units have no expiration date.

F3 · derivative.exercise_date: Reflects an award initially granted on January 1, 2018 that was subject to a performance-based vesting condition which was determined to be satisfied on January 3, 2021. The number of units reported herein includes 2089 distribution equivalent units, which vested effective as of December 31, 2020. The remaining 21906 units are subject to an additional time-based vesting condition, pursuant to which 50% of the units will vest annually over two years, beginning on February 27, 2021. The vested profits interest units have no expiration date.

F3 · derivative.expiration_date: Reflects an award initially granted on January 1, 2018 that was subject to a performance-based vesting condition which was determined to be satisfied on January 3, 2021. The number of units reported herein includes 2089 distribution equivalent units, which vested effective as of December 31, 2020. The remaining 21906 units are subject to an additional time-based vesting condition, pursuant to which 50% of the units will vest annually over two years, beginning on February 27, 2021. The vested profits interest units have no expiration date.

SEC source: 0001415889-21-000170 · form4-01052021_040152.xml · derivative · entry 1

Sanchack Erich · CIK 0001731163 · EVP, OPERATIONS

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,726

Underlying: Common Stock · 3,548 shares

Expires not disclosed

F1 · security: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F1 · derivative.exercise_price: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F2 · shares: The units will vest in four equal annual installments beginning on February 27, 2022. The vested profits interest units have no expiration date.

F2 · derivative.exercise_date: The units will vest in four equal annual installments beginning on February 27, 2022. The vested profits interest units have no expiration date.

F2 · derivative.expiration_date: The units will vest in four equal annual installments beginning on February 27, 2022. The vested profits interest units have no expiration date.

SEC source: 0001415889-21-000155 · form4-01052021_030146.xml · derivative · entry 1

Fiedelman Cindy · CIK 0001664785 · CHIEF HUMAN RESOURCES OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,193

Underlying: Common Stock · 2,365 shares

Expires not disclosed

F1 · security: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F1 · derivative.exercise_price: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F2 · shares: The units will vest in four equal annual installments beginning on February 27, 2022. The vested profits interest units have no expiration date.

F2 · derivative.exercise_date: The units will vest in four equal annual installments beginning on February 27, 2022. The vested profits interest units have no expiration date.

F2 · derivative.expiration_date: The units will vest in four equal annual installments beginning on February 27, 2022. The vested profits interest units have no expiration date.

SEC source: 0001415889-21-000178 · form4-01052021_050131.xml · derivative · entry 1

Wright Gregory S · CIK 0001763455 · CHIEF INVESTMENT OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,245

Underlying: Common Stock · 4,730 shares

Expires not disclosed

F1 · security: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F1 · derivative.exercise_price: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F2 · shares: The units will vest in four equal annual installments beginning on February 27, 2022. The vested profits interest units have no expiration date.

F2 · derivative.exercise_date: The units will vest in four equal annual installments beginning on February 27, 2022. The vested profits interest units have no expiration date.

F2 · derivative.expiration_date: The units will vest in four equal annual installments beginning on February 27, 2022. The vested profits interest units have no expiration date.

SEC source: 0001415889-21-000159 · form4-01052021_040105.xml · derivative · entry 1

Mills Joshua A. · CIK 0001325876 · EVP, GENERAL COUNSEL

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 56,184

Underlying: Common Stock · 2,365 shares

Expires not disclosed

F1 · security: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F1 · derivative.exercise_price: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F2 · shares: The units will vest in four equal annual installments beginning on February 27, 2022. The vested profits interest units have no expiration date.

F2 · derivative.exercise_date: The units will vest in four equal annual installments beginning on February 27, 2022. The vested profits interest units have no expiration date.

F2 · derivative.expiration_date: The units will vest in four equal annual installments beginning on February 27, 2022. The vested profits interest units have no expiration date.

SEC source: 0001415889-21-000168 · form4-01052021_040143.xml · derivative · entry 1

Stein A William · CIK 0001307117 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 508,203

Underlying: Common Stock · 14,335 shares

Expires not disclosed

F1 · security: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F1 · derivative.exercise_price: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F2 · shares: The units will vest in four equal annual installments beginning on February 27, 2022. The vested profits interest units have no expiration date.

F2 · derivative.exercise_date: The units will vest in four equal annual installments beginning on February 27, 2022. The vested profits interest units have no expiration date.

F2 · derivative.expiration_date: The units will vest in four equal annual installments beginning on February 27, 2022. The vested profits interest units have no expiration date.

SEC source: 0001415889-21-000150 · form4-01052021_030113.xml · nonDerivative · entry 1

Corey Dyer · CIK 0001764577 · EVP, GLOBAL SALES & MARKETING

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,280

F1 · shares: Represents an award of Restricted Stock Units, each of which represents a contingent right to receive one share of the Issuer's common stock, which will vest in four equal annual installments beginning on February 27, 2022.

SEC source: 0001415889-21-000157 · form4-01052021_030104.xml · derivative · entry 1

Mercier Matt · CIK 0001807381 · SVP, FINANCE AND ACCOUNTING

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,352

Underlying: Common Stock · 709 shares

Expires not disclosed

F1 · security: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F1 · derivative.exercise_price: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F2 · shares: The units will vest in sixteen equal quarterly installments beginning on February 27, 2022. The vested profits interest units have no expiration date.

F2 · derivative.exercise_date: The units will vest in sixteen equal quarterly installments beginning on February 27, 2022. The vested profits interest units have no expiration date.

F2 · derivative.expiration_date: The units will vest in sixteen equal quarterly installments beginning on February 27, 2022. The vested profits interest units have no expiration date.

SEC source: 0001415889-21-000176 · form4-01052021_050153.xml · derivative · entry 1

Sharp Christopher · CIK 0001714890 · CHIEF TECHNOLOGY OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,696

Underlying: Common Stock · 3,548 shares

Expires not disclosed

F1 · security: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F1 · derivative.exercise_price: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F2 · shares: The units will vest in four equal annual installments beginning on February 27, 2022. The vested profits interest units have no expiration date.

F2 · derivative.exercise_date: The units will vest in four equal annual installments beginning on February 27, 2022. The vested profits interest units have no expiration date.

F2 · derivative.expiration_date: The units will vest in four equal annual installments beginning on February 27, 2022. The vested profits interest units have no expiration date.

SEC source: 0001415889-21-000161 · form4-01052021_040147.xml · derivative · entry 1

Power Andrew · CIK 0001641275 · CHIEF FINANCIAL OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 94,751

Underlying: Common Stock · 5,375 shares

Expires not disclosed

F1 · security: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F1 · derivative.exercise_price: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F2 · shares: The units will vest in four equal annual installments beginning on February 27, 2022. The vested profits interest units have no expiration date.

F2 · derivative.exercise_date: The units will vest in four equal annual installments beginning on February 27, 2022. The vested profits interest units have no expiration date.

F2 · derivative.expiration_date: The units will vest in four equal annual installments beginning on February 27, 2022. The vested profits interest units have no expiration date.

SEC source: 0001415889-21-001117 · form4-03012021_060317.xml · nonDerivative · entry 1

RUBERG DAVID C · CIK 0001092239 · MANAGING DIRECTOR, EUROPE

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 719,808

SEC source: 0001415889-21-000035 · form4-01042021_030114.xml · derivative · entry 3

Fiedelman Cindy · CIK 0001664785 · CHIEF HUMAN RESOURCES OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,828

Underlying: Common Stock · 1,024 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.

F2 · security: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F2 · derivative.exercise_price: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F3 · shares: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 plan previously adopted by Ms. Fiedelman.

F2 · derivative.exercise_date: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F4 · derivative.expiration_date: N/A

SEC source: 0001415889-21-000035 · form4-01042021_030114.xml · nonDerivative · entry 2

Fiedelman Cindy · CIK 0001664785 · CHIEF HUMAN RESOURCES OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

SEC source: 0001415889-21-000035 · form4-01042021_030114.xml · nonDerivative · entry 1

Fiedelman Cindy · CIK 0001664785 · CHIEF HUMAN RESOURCES OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,024

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 · kind: The reporting person converted long-term incentive units into common limited partnership units ("Common Units") of Digital Realty Trust, L.P . (the "Operating Partnership"), of which the Issuer is the general partner, and subsequently redeemed the Common Units for shares of the common stock of the Issuer, all in accordance with the requirements of the Limited Partnership Agreement of the Operating Partnership.

F2 · shares: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

SEC source: 0001415889-21-000033 · form4-01042021_030157.xml · nonDerivative · entry 1

RUBERG DAVID C · CIK 0001092239 · MANAGING DIRECTOR, EUROPE

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 729,062

SEC source: 0001415889-20-002767 · form4-12022020_031232.xml · derivative · entry 3

Fiedelman Cindy · CIK 0001664785 · CHIEF HUMAN RESOURCES OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,852

Underlying: Common Stock · 1,793 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.

F2 · security: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F2 · derivative.exercise_price: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F3 · shares: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 plan previously adopted by Ms. Fiedelman.

F2 · derivative.exercise_date: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F4 · derivative.expiration_date: N/A

SEC source: 0001415889-20-002767 · form4-12022020_031232.xml · nonDerivative · entry 2

Fiedelman Cindy · CIK 0001664785 · CHIEF HUMAN RESOURCES OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

SEC source: 0001415889-20-002767 · form4-12022020_031232.xml · nonDerivative · entry 1

Fiedelman Cindy · CIK 0001664785 · CHIEF HUMAN RESOURCES OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,793

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 · kind: The reporting person converted long-term incentive units into common limited partnership units ("Common Units") of Digital Realty Trust, L.P . (the "Operating Partnership"), of which the Issuer is the general partner, and subsequently redeemed the Common Units for shares of the common stock of the Issuer, all in accordance with the requirements of the Limited Partnership Agreement of the Operating Partnership.

F2 · shares: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

SEC source: 0001415889-20-002631 · form4-11132020_031144.xml · derivative · entry 1

CHAPMAN LAURENCE A · CIK 0001080669 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,243

Underlying: Common Stock · 276 shares

Expires not disclosed

F1 · security: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F1 · derivative.exercise_price: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F1 · derivative.exercise_date: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F2 · derivative.expiration_date: N/A

SEC source: 0001415889-20-002613 · form4-11132020_031119.xml · derivative · entry 1

SINGLETON DENNIS E · CIK 0001128868 · DIRECTOR EMERITUS

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,633

Underlying: Common Stock · 156 shares

Expires not disclosed

F1 · security: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F1 · derivative.exercise_price: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F1 · derivative.exercise_date: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F2 · derivative.expiration_date: N/A

SEC source: 0001415889-20-002617 · form4-11132020_031124.xml · derivative · entry 1

Patterson Mark R · CIK 0001500081 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,897

Underlying: Common Stock · 105 shares

Expires not disclosed

F1 · security: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F1 · derivative.exercise_price: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F1 · derivative.exercise_date: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F2 · derivative.expiration_date: N/A

SEC source: 0001415889-20-002635 · form4-11132020_031108.xml · derivative · entry 1

Jamieson VeraLinn · CIK 0001798457 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,205

Underlying: Common Stock · 184 shares

Expires not disclosed

F1 · security: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F1 · derivative.exercise_price: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F1 · derivative.exercise_date: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F2 · derivative.expiration_date: N/A

SEC source: 0001415889-20-002625 · form4-11132020_031126.xml · derivative · entry 1

Bjorlin Alexis · CIK 0001798757 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,430

Underlying: Common Stock · 184 shares

Expires not disclosed

F1 · security: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F1 · derivative.exercise_price: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F1 · derivative.exercise_date: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F2 · derivative.expiration_date: N/A

SEC source: 0001415889-20-002621 · form4-11132020_031121.xml · derivative · entry 1

COKE MICHAEL A · CIK 0001213051 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,534

Underlying: Common Stock · 211 shares

Expires not disclosed

F1 · security: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F1 · derivative.exercise_price: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F1 · derivative.exercise_date: Long-Term Incentive Units are profits interest units in Digital Realty Trust, L.P. ("Operating Partnership"), of which the Issuer is the general partner. Profits interest units may initially not have full parity with common limited partnership units of Operating Partnership ("Common Units") with respect to liquidating distributions; however upon the occurrence of specified events, profits interest units may achieve full parity with Common Units for all purposes. Vested profits interest units that have achieved full parity with Common Units may be converted into an equal number of Common Units on a 1-for-1 basis at any time. Common Units are redeemable for cash based on the FMV of an equivalent number of shares of common stock of the Issuer, or, at the election of the Issuer, for an equal number of shares of the Issuer's common stock, subject to adjustment in the event of stock splits, stock dividends, issuance of stock rights, specified extraordinary distributions or similar events.

F2 · derivative.expiration_date: N/A

SEC source: 0001415889-20-002588 · form4-11092020_041112.xml · nonDerivative · entry 2

RUBERG DAVID C · CIK 0001092239 · MANAGING DIRECTOR, EUROPE

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 734,136

F1 · price: (1) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $149.21 to $149.58. The reporting person undertakes to provide Digital Realty Trust, Inc. (the "Company"), any security holder of the Company, 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 range set forth in this footnote.