DLR

SEC source: 0001415889-21-002691 · form4-05272021_030544.xml · derivative · entry 5

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 553,349

Underlying: Common Stock · 100,000 shares

Expires not disclosed

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

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.

F6 · shares: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 plan previously adopted by Mr. Stein.

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.

F7 · derivative.expiration_date: N/A

SEC source: 0001415889-21-002691 · form4-05272021_030544.xml · nonDerivative · entry 4

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

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $152.08 to $152.73. 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

SEC source: 0001415889-21-002691 · form4-05272021_030544.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 56,995

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.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $151.07 to $152.07. 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.

SEC source: 0001415889-21-002691 · form4-05272021_030544.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 89,878

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.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $150.05 to $151.05 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.

SEC source: 0001415889-21-002691 · form4-05272021_030544.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 100,000

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

F1 · 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: 0001415889-21-002669 · form4-05252021_030529.xml · nonDerivative · entry 1

Wright Gregory S · CIK 0001763455 · CHIEF INVESTMENT OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,710

F1 · acquired: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 plan previously adopted by the Reporting Person.

SEC source: 0001415889-21-002466 · form4-05132021_050517.xml · derivative · entry 1

CHAPMAN LAURENCE A · CIK 0001080669 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,271

Underlying: Common Stock · 227 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

F3 · balance_after: Updated to correct a scrivener's error in the Form 4 filed on August 13, 2020.

SEC source: 0001415889-21-002450 · form4-05132021_050504.xml · derivative · entry 1

SINGLETON DENNIS E · CIK 0001128868 · DIRECTOR EMERITUS

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,933

Underlying: Common Stock · 142 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: 0001415889-21-002465 · form4-05132021_050510.xml · derivative · entry 1

LAPERCH WILLIAM G · CIK 0001263157 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,798

Underlying: Common Stock · 100 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: 0001415889-21-002461 · form4-05132021_050554.xml · derivative · entry 1

COKE MICHAEL A · CIK 0001213051 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,898

Underlying: Common Stock · 141 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: 0001415889-21-002454 · form4-05132021_050543.xml · derivative · entry 1

Jamieson VeraLinn · CIK 0001798457 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,571

Underlying: Common Stock · 171 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: 0001415889-21-002444 · form4-05132021_050538.xml · derivative · entry 1

Bjorlin Alexis · CIK 0001798757 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,788

Underlying: Common Stock · 172 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: 0001415889-21-002442 · form4-05132021_050511.xml · derivative · entry 3

Fiedelman Cindy · CIK 0001664785 · CHIEF HUMAN RESOURCES OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,682

Underlying: Common Stock · 9,668 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: 0001415889-21-002442 · form4-05132021_050511.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: 0001415889-21-002442 · form4-05132021_050511.xml · nonDerivative · entry 1

Fiedelman Cindy · CIK 0001664785 · CHIEF HUMAN RESOURCES OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,668

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: 0001415889-21-002432 · form4-05122021_040504.xml · derivative · entry 2

LAPERCH WILLIAM G · CIK 0001263157 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,698

Underlying: Common Stock · 10,102 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.

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.

F3 · derivative.expiration_date: N/A

SEC source: 0001415889-21-002432 · form4-05122021_040504.xml · nonDerivative · entry 1

LAPERCH WILLIAM G · CIK 0001263157 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,808

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: 0001415889-21-002307 · form4-05052021_050544.xml · nonDerivative · entry 3

RUBERG DAVID C · CIK 0001092239 · EVP, STRATEGIC ADVISOR

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 355,212

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $152.96 to $153.42. 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.

SEC source: 0001415889-21-002307 · form4-05052021_050544.xml · nonDerivative · entry 2

RUBERG DAVID C · CIK 0001092239 · EVP, STRATEGIC ADVISOR

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 357,763

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $151.75 to $152.52. 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

SEC source: 0001415889-21-002307 · form4-05052021_050544.xml · nonDerivative · entry 1

RUBERG DAVID C · CIK 0001092239 · EVP, STRATEGIC ADVISOR

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 483,159

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $150.74 to $151.74. 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.

SEC source: 0001415889-21-002058 · form4-04222021_040439.xml · derivative · entry 3

KENNEDY KEVIN · CIK 0001182379 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,519

Underlying: Common Stock · 150 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 Mr. Kennedy.

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: 0001415889-21-002058 · form4-04222021_040439.xml · nonDerivative · entry 2

KENNEDY KEVIN · CIK 0001182379 · Director

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: 0001415889-21-002058 · form4-04222021_040439.xml · nonDerivative · entry 1

KENNEDY KEVIN · CIK 0001182379 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 150

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: 0001415889-21-001559 · form4-03172021_040300.xml · derivative · entry 3

KENNEDY KEVIN · CIK 0001182379 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,669

Underlying: Common Stock · 200 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 Mr. Kennedy.

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: 0001415889-21-001559 · form4-03172021_040300.xml · nonDerivative · entry 2

KENNEDY KEVIN · CIK 0001182379 · Director

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: 0001415889-21-001559 · form4-03172021_040300.xml · nonDerivative · entry 1

KENNEDY KEVIN · CIK 0001182379 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 200

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: 0001415889-21-001457 · form4-03112021_040316.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,739

F1 · shares: This transaction was effected pursuant to a Rule 10b5-1 plan previously adopted by Mr. Dyer.

F2 · balance_after: Updated to correct a scrivener's error in the Form 4 filed on March 3, 2021

SEC source: 0001415889-21-001457 · form4-03112021_040316.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,478

SEC source: 0001415889-21-001470 · form4-03122021_040352.xml · derivative · entry 1

Mercier Matt · CIK 0001807381 · SVP, FINANCE AND ACCOUNTING

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,344

Underlying: Common Stock · 24 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 the grant date. The vested profits interest units have no expiration date.

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

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

SEC source: 0001415889-21-001397 · form4-03092021_050332.xml · nonDerivative · entry 2

RUBERG DAVID C · CIK 0001092239 · MANAGING DIRECTOR, EUROPE

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 555,212

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $135.00 to $135.33. 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

SEC source: 0001415889-21-001397 · form4-03092021_050332.xml · nonDerivative · entry 1

RUBERG DAVID C · CIK 0001092239 · MANAGING DIRECTOR, EUROPE

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 601,523

SEC source: 0001415889-21-001117 · form4-03012021_060317.xml · nonDerivative · entry 4

RUBERG DAVID C · CIK 0001092239 · MANAGING DIRECTOR, EUROPE

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 605,212

SEC source: 0001415889-21-001290 · form4-03032021_040336.xml · derivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,772

Underlying: Common Stock · 6,079 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 Mr. Dyer.

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: 0001415889-21-001290 · form4-03032021_040336.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,345

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: 0001415889-21-001290 · form4-03032021_040336.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,424

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: 0001415889-21-001290 · form4-03032021_040336.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,345

SEC source: 0001415889-21-001117 · form4-03012021_060317.xml · nonDerivative · entry 3

RUBERG DAVID C · CIK 0001092239 · MANAGING DIRECTOR, EUROPE

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 653,512

SEC source: 0001415889-21-001112 · form4-03012021_060332.xml · nonDerivative · entry 2

Mercier Matt · CIK 0001807381 · SVP, FINANCE AND ACCOUNTING

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 201

SEC source: 0001415889-21-001112 · form4-03012021_060332.xml · nonDerivative · entry 1

Mercier Matt · CIK 0001807381 · SVP, FINANCE AND ACCOUNTING

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 205

F1 · acquired: Acquired pursuant to the Company's 2015 Employee Stock Purchase Plan, as amended.

SEC source: 0001415889-21-001126 · form4-03012021_060335.xml · nonDerivative · entry 2

Sanchack Erich · CIK 0001731163 · EVP, OPERATIONS

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 858

SEC source: 0001415889-21-001126 · form4-03012021_060335.xml · nonDerivative · entry 1

Sanchack Erich · CIK 0001731163 · EVP, OPERATIONS

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 862

F1 · kind: Acquired pursuant to the Company's 2015 Employee Stock Purchase Plan, as amended.

SEC source: 0001415889-21-003126 · form4a-06212021_020608.xml · nonDerivative · entry 2

Mercier Matt · CIK 0001807381 · SVP, FINANCE AND ACCOUNTING

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 201

SEC source: 0001415889-21-003126 · form4a-06212021_020608.xml · nonDerivative · entry 1

Mercier Matt · CIK 0001807381 · SVP, FINANCE AND ACCOUNTING

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 205

F1 · kind: Purchases of common stock reported herein have resulted in matchable transactions and the Reporting Person has paid $2,061.79 to the Issuer.

F2 · acquired: Acquired pursuant to the Company's 2015 Employee Stock Purchase Plan, as amended.

SEC source: 0001415889-21-001117 · form4-03012021_060317.xml · derivative · entry 5

RUBERG DAVID C · CIK 0001092239 · MANAGING DIRECTOR, EUROPE

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,987

Underlying: Common Stock · 7,987 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: 0001415889-21-001121 · form4-03012021_060327.xml · derivative · entry 1

CHAPMAN LAURENCE A · CIK 0001080669 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,494

Underlying: Common Stock · 251 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: 0001415889-21-001128 · form4-03012021_060312.xml · derivative · entry 1

SINGLETON DENNIS E · CIK 0001128868 · DIRECTOR EMERITUS

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,791

Underlying: Common Stock · 158 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: 0001415889-21-001122 · form4-03012021_060336.xml · derivative · entry 2

Power Andrew · CIK 0001641275 · CHIEF FINANCIAL OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 147,211

Underlying: Common Stock · 14,546 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: 0001415889-21-001122 · form4-03012021_060336.xml · derivative · entry 1

Power Andrew · CIK 0001641275 · CHIEF FINANCIAL OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 132,665

Underlying: Common Stock · 1,861 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: 0001415889-21-001137 · form4-03012021_060320.xml · derivative · entry 1

Jamieson VeraLinn · CIK 0001798457 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,400

Underlying: Common Stock · 195 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: 0001415889-21-001135 · form4-03012021_060314.xml · derivative · entry 1

COKE MICHAEL A · CIK 0001213051 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,757

Underlying: Common Stock · 223 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