TMUS

SEC source: 0001283699-20-000138 · wf-form4_159441562657476.xml · derivative · entry 1

Ray Neville R · CIK 0001576185 · President, Technology

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 405,208 shares

Expires not disclosed

F1 · security: The subscription rights sold were distributed by T-Mobile US, Inc. in a transaction exempt under Exchange Act Rule 16a-9(b).

F4 · price: The price reported in Column 8 is a weighted average price. These subscription rights were sold in multiple transactions ranging from $0.168 to $0.20, inclusive. The reporting person undertakes to provide to the Securities and Exchange Commission, T-Mobile US, Inc. or any security holder of T-Mobile US, Inc., upon request, full information regarding the number of subscription rights sold at each separate price within the range.

F2 · derivative.exercise_date: The rights offering commenced on June 26, 2020.

F3 · derivative.expiration_date: The rights offering will expire at 5:00 p.m., Eastern time, on July 27, 2020 unless extended by T-Mobile US, Inc.

SEC source: 0001283699-20-000133 · wf-form4_159407572023087.xml · derivative · entry 2

Miller David A · CIK 0001576259 · EVP, General Counsel & Sec.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 93,930 shares

Expires not disclosed

F1 · security: The subscription rights sold were distributed by T-Mobile US, Inc. in a transaction exempt under Exchange Act Rule 16a-9(b).

F4 · price: The price reported in Column 8 is a weighted average price. These subscription rights were sold in multiple transactions ranging from $0.225 to $0.232, inclusive. The reporting person undertakes to provide to the Securities and Exchange Commission, T-Mobile US, Inc. or any security holder of T-Mobile US, Inc., upon request, full information regarding the number of subscription rights sold at each separate price within the range.

F2 · derivative.exercise_date: The rights offering commenced on June 26, 2020.

F3 · derivative.expiration_date: The rights offering will expire at 5:00 p.m., Eastern time, on July 27, 2020 unless extended by T-Mobile US, Inc.

SEC source: 0001283699-20-000132 · wf-form4_159407567755249.xml · derivative · entry 1

Osvaldik Peter · CIK 0001596235 · EVP & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 25,430 shares

Expires not disclosed

F1 · security: The subscription rights sold were distributed by T-Mobile US, Inc. in a transaction exempt under Exchange Act Rule 16a-9(b).

F2 · derivative.exercise_date: The rights offering commenced on June 26, 2020.

F3 · derivative.expiration_date: The rights offering will expire at 5:00 p.m., Eastern time, on July 27, 2020 unless extended by T-Mobile US, Inc.

SEC source: 0001283699-20-000134 · wf-form4_159407577208049.xml · derivative · entry 1

Ewens Peter A · CIK 0001576183 · EVP, Corporate Strategy

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 226,327 shares

Expires not disclosed

F1 · security: The subscription rights sold were distributed by T-Mobile US, Inc. in a transaction exempt under Exchange Act Rule 16a-9(b).

F4 · price: The price reported in Column 8 is a weighted average price. These subscription rights were sold in multiple transactions ranging from $0.1490 to $0.1598, inclusive. The reporting person undertakes to provide to the Securities and Exchange Commission, T-Mobile US, Inc. or any security holder of T-Mobile US, Inc., upon request, full information regarding the number of subscription rights sold at each separate price within the range.

F2 · derivative.exercise_date: The rights offering commenced on June 26, 2020.

F3 · derivative.expiration_date: The rights offering will expire at 5:00 p.m., Eastern time, on July 27, 2020 unless extended by T-Mobile US, Inc.

SEC source: 0001283699-20-000133 · wf-form4_159407572023087.xml · derivative · entry 1

Miller David A · CIK 0001576259 · EVP, General Counsel & Sec.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 93,930

Underlying: Common Stock · 60,000 shares

Expires not disclosed

F1 · security: The subscription rights sold were distributed by T-Mobile US, Inc. in a transaction exempt under Exchange Act Rule 16a-9(b).

F2 · derivative.exercise_date: The rights offering commenced on June 26, 2020.

F3 · derivative.expiration_date: The rights offering will expire at 5:00 p.m., Eastern time, on July 27, 2020 unless extended by T-Mobile US, Inc.

SEC source: 0001283699-20-000128 · wf-form4_159372111481944.xml · derivative · entry 2

SIEVERT G MICHAEL · CIK 0001182438 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 466,767 shares

Expires not disclosed

F1 · security: The subscription rights sold were distributed by T-Mobile US, Inc. in a transaction exempt under Exchange Act Rule 16a-9(b).

F4 · price: The price reported in Column 8 is a weighted average price. These subscription rights were sold in multiple transactions ranging from $0.1517 to $0.1865, inclusive. The reporting person undertakes to provide to the Securities and Exchange Commission, T-Mobile US, Inc. or any security holder of T-Mobile US, Inc., upon request, full information regarding the number of subscription rights sold at each separate price within the range.

F2 · derivative.exercise_date: The rights offering commenced on June 26, 2020.

F3 · derivative.expiration_date: The rights offering will expire at 5:00 p.m., Eastern time, on July 27, 2020 unless extended by T-Mobile US, Inc.

SEC source: 0001283699-20-000128 · wf-form4_159372111481944.xml · derivative · entry 1

SIEVERT G MICHAEL · CIK 0001182438 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 466,767

Underlying: Common Stock · 150,000 shares

Expires not disclosed

F1 · security: The subscription rights sold were distributed by T-Mobile US, Inc. in a transaction exempt under Exchange Act Rule 16a-9(b).

F2 · derivative.exercise_date: The rights offering commenced on June 26, 2020.

F3 · derivative.expiration_date: The rights offering will expire at 5:00 p.m., Eastern time, on July 27, 2020 unless extended by T-Mobile US, Inc.

SEC source: 0000925421-20-000264 · edgar.xml · derivative · entry 5

SOFTBANK GROUP CORP · CIK 0001065521 · Director · 10% owner

SoftBank Group Capital Ltd · CIK 0001755163 · Director · 10% owner

Delaware Project 4 L.L.C. · CIK 0001815950 · Director · 10% owner

Delaware Project 6 L.L.C. · CIK 0001815949 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Delaware Project 4 L.L.C.

Disclosed balance after: Not disclosed

Underlying: Common Stock · Not disclosed shares

Expires not disclosed

F6 · derivative.exercise_price: Reflects the acquisition from the Issuer, in accordance with the Share Repurchase Agreement, and as partial consideration, together with a $1,667,167,222.80 cash payment from the Issuer, for the 19,417,400 shares of Common Stock reported on this Form 4, a contingent value right note (the "CVR Note") in the aggregate principal amount of $2,000,000,000. Pursuant to the CVR Note, the Trust will deliver on the Exchange Date (June 1, 2023, which may be extended as provided for in the CVR Note) a number of shares of Common Stock with respect to each $1,000 principal amount of the CVR Note determined by an exchange rate set forth in the CVR Note. The exchange rate is based on the daily volume weighted average price of a share of Common Stock during the 40 trading days preceding June 1, 2023.

F7 · derivative.exercise_price: (Continued from footnote 6) The maximum number of shares of Common Stock that can be received pursuant to the CVR Note is approximately 3,566,400. The number of shares of Common Stock deliverable under the CVR Note is subject to acceleration and adjustment in certain circumstances.

F6 · reported_value: Reflects the acquisition from the Issuer, in accordance with the Share Repurchase Agreement, and as partial consideration, together with a $1,667,167,222.80 cash payment from the Issuer, for the 19,417,400 shares of Common Stock reported on this Form 4, a contingent value right note (the "CVR Note") in the aggregate principal amount of $2,000,000,000. Pursuant to the CVR Note, the Trust will deliver on the Exchange Date (June 1, 2023, which may be extended as provided for in the CVR Note) a number of shares of Common Stock with respect to each $1,000 principal amount of the CVR Note determined by an exchange rate set forth in the CVR Note. The exchange rate is based on the daily volume weighted average price of a share of Common Stock during the 40 trading days preceding June 1, 2023.

F7 · reported_value: (Continued from footnote 6) The maximum number of shares of Common Stock that can be received pursuant to the CVR Note is approximately 3,566,400. The number of shares of Common Stock deliverable under the CVR Note is subject to acceleration and adjustment in certain circumstances.

F6 · price: Reflects the acquisition from the Issuer, in accordance with the Share Repurchase Agreement, and as partial consideration, together with a $1,667,167,222.80 cash payment from the Issuer, for the 19,417,400 shares of Common Stock reported on this Form 4, a contingent value right note (the "CVR Note") in the aggregate principal amount of $2,000,000,000. Pursuant to the CVR Note, the Trust will deliver on the Exchange Date (June 1, 2023, which may be extended as provided for in the CVR Note) a number of shares of Common Stock with respect to each $1,000 principal amount of the CVR Note determined by an exchange rate set forth in the CVR Note. The exchange rate is based on the daily volume weighted average price of a share of Common Stock during the 40 trading days preceding June 1, 2023.

F7 · price: (Continued from footnote 6) The maximum number of shares of Common Stock that can be received pursuant to the CVR Note is approximately 3,566,400. The number of shares of Common Stock deliverable under the CVR Note is subject to acceleration and adjustment in certain circumstances.

F6 · derivative.exercise_date: Reflects the acquisition from the Issuer, in accordance with the Share Repurchase Agreement, and as partial consideration, together with a $1,667,167,222.80 cash payment from the Issuer, for the 19,417,400 shares of Common Stock reported on this Form 4, a contingent value right note (the "CVR Note") in the aggregate principal amount of $2,000,000,000. Pursuant to the CVR Note, the Trust will deliver on the Exchange Date (June 1, 2023, which may be extended as provided for in the CVR Note) a number of shares of Common Stock with respect to each $1,000 principal amount of the CVR Note determined by an exchange rate set forth in the CVR Note. The exchange rate is based on the daily volume weighted average price of a share of Common Stock during the 40 trading days preceding June 1, 2023.

F7 · derivative.exercise_date: (Continued from footnote 6) The maximum number of shares of Common Stock that can be received pursuant to the CVR Note is approximately 3,566,400. The number of shares of Common Stock deliverable under the CVR Note is subject to acceleration and adjustment in certain circumstances.

F6 · derivative.expiration_date: Reflects the acquisition from the Issuer, in accordance with the Share Repurchase Agreement, and as partial consideration, together with a $1,667,167,222.80 cash payment from the Issuer, for the 19,417,400 shares of Common Stock reported on this Form 4, a contingent value right note (the "CVR Note") in the aggregate principal amount of $2,000,000,000. Pursuant to the CVR Note, the Trust will deliver on the Exchange Date (June 1, 2023, which may be extended as provided for in the CVR Note) a number of shares of Common Stock with respect to each $1,000 principal amount of the CVR Note determined by an exchange rate set forth in the CVR Note. The exchange rate is based on the daily volume weighted average price of a share of Common Stock during the 40 trading days preceding June 1, 2023.

F7 · derivative.expiration_date: (Continued from footnote 6) The maximum number of shares of Common Stock that can be received pursuant to the CVR Note is approximately 3,566,400. The number of shares of Common Stock deliverable under the CVR Note is subject to acceleration and adjustment in certain circumstances.

F6 · derivative.underlying_shares: Reflects the acquisition from the Issuer, in accordance with the Share Repurchase Agreement, and as partial consideration, together with a $1,667,167,222.80 cash payment from the Issuer, for the 19,417,400 shares of Common Stock reported on this Form 4, a contingent value right note (the "CVR Note") in the aggregate principal amount of $2,000,000,000. Pursuant to the CVR Note, the Trust will deliver on the Exchange Date (June 1, 2023, which may be extended as provided for in the CVR Note) a number of shares of Common Stock with respect to each $1,000 principal amount of the CVR Note determined by an exchange rate set forth in the CVR Note. The exchange rate is based on the daily volume weighted average price of a share of Common Stock during the 40 trading days preceding June 1, 2023.

F7 · derivative.underlying_shares: (Continued from footnote 6) The maximum number of shares of Common Stock that can be received pursuant to the CVR Note is approximately 3,566,400. The number of shares of Common Stock deliverable under the CVR Note is subject to acceleration and adjustment in certain circumstances.

F6 · ownership.direct: Reflects the acquisition from the Issuer, in accordance with the Share Repurchase Agreement, and as partial consideration, together with a $1,667,167,222.80 cash payment from the Issuer, for the 19,417,400 shares of Common Stock reported on this Form 4, a contingent value right note (the "CVR Note") in the aggregate principal amount of $2,000,000,000. Pursuant to the CVR Note, the Trust will deliver on the Exchange Date (June 1, 2023, which may be extended as provided for in the CVR Note) a number of shares of Common Stock with respect to each $1,000 principal amount of the CVR Note determined by an exchange rate set forth in the CVR Note. The exchange rate is based on the daily volume weighted average price of a share of Common Stock during the 40 trading days preceding June 1, 2023.

F7 · ownership.direct: (Continued from footnote 6) The maximum number of shares of Common Stock that can be received pursuant to the CVR Note is approximately 3,566,400. The number of shares of Common Stock deliverable under the CVR Note is subject to acceleration and adjustment in certain circumstances.

SEC source: 0000925421-20-000264 · edgar.xml · nonDerivative · entry 4

SOFTBANK GROUP CORP · CIK 0001065521 · Director · 10% owner

SoftBank Group Capital Ltd · CIK 0001755163 · Director · 10% owner

Delaware Project 4 L.L.C. · CIK 0001815950 · Director · 10% owner

Delaware Project 6 L.L.C. · CIK 0001815949 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Delaware Project 6 L.L.C.

Disclosed balance after: 106,291,623

F1 · kind: Marcelo Claure, Stephen Kappes, each members of the Board of Directors of the Issuer, and Ronald D. Fisher, who resigned from the Board of Directors on June 22, 2020, were elected as representatives of Softbank Group Corp. ("SoftBank"), SoftBank Group Capital Ltd ("SBGC"), Delaware Project 4 L.L.C. ("Project 4 LLC") and Delaware Project 6 L.L.C. ("Project 6 LLC"). As a result, each of these entities is a director by deputization for Section 16 purposes.

F4 · kind: Represents the number of shares of Common Stock that the Issuer agreed to sell to an entity controlled by Marcelo Claure for $103.00 per share, subject to receipt of necessary regulatory approvals. Pursuant to the Share Repurchase Agreement, SBGC has agreed to sell to the Issuer 5,000,000 shares upon the closing of such sale to Mr. Claure at the same price per share.

F5 · ownership.direct: Reflects the transfer of 106,291,623 shares of Common Stock to Project 6 LLC. As a result, Project 6 LLC directly owns 106,291,623 shares of Common Stock. Project 6 LLC and SBGC are wholly owned subsidiaries of SoftBank. As a result, SoftBank may be deemed to beneficially own the shares of Common Stock owned directly by Project 6 LLC. Project 4 LLC expressly disclaims the beneficial ownership of the shares of Common Stock owned by Project 6 LLC, Project 6 LLC expressly disclaims beneficial ownership with respect to the CVR Note owned by Project 4 LLC, and SBGC expressly disclaims beneficial ownership with respect to the CVR Note owned by Project 4 LLC and the shares of Common Stock owned by Project 6 LLC.

SEC source: 0000925421-20-000264 · edgar.xml · nonDerivative · entry 3

SOFTBANK GROUP CORP · CIK 0001065521 · Director · 10% owner

SoftBank Group Capital Ltd · CIK 0001755163 · Director · 10% owner

Delaware Project 4 L.L.C. · CIK 0001815950 · Director · 10% owner

Delaware Project 6 L.L.C. · CIK 0001815949 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By SoftBank Group Capital Ltd

Disclosed balance after: 111,291,623

F1 · kind: Marcelo Claure, Stephen Kappes, each members of the Board of Directors of the Issuer, and Ronald D. Fisher, who resigned from the Board of Directors on June 22, 2020, were elected as representatives of Softbank Group Corp. ("SoftBank"), SoftBank Group Capital Ltd ("SBGC"), Delaware Project 4 L.L.C. ("Project 4 LLC") and Delaware Project 6 L.L.C. ("Project 6 LLC"). As a result, each of these entities is a director by deputization for Section 16 purposes.

F3 · kind: Represents the number of shares of Common Stock subject to a rights offering by the Issuer pursuant to which it issued holders of record of Common Stock as of 5:00 pm on June 25, 2020 the right to purchase 0.05 shares of Common Stock at $103.00 per share, up to an aggregate of 19,750,000 shares. Pursuant to the Share Repurchase Agreement, SBGC agreed to sell an aggregate of up to 19,750,000 shares to the Issuer, to the extent such shares are issued in the rights offering.

F3 · shares: Represents the number of shares of Common Stock subject to a rights offering by the Issuer pursuant to which it issued holders of record of Common Stock as of 5:00 pm on June 25, 2020 the right to purchase 0.05 shares of Common Stock at $103.00 per share, up to an aggregate of 19,750,000 shares. Pursuant to the Share Repurchase Agreement, SBGC agreed to sell an aggregate of up to 19,750,000 shares to the Issuer, to the extent such shares are issued in the rights offering.

SEC source: 0000925421-20-000264 · edgar.xml · nonDerivative · entry 2

SOFTBANK GROUP CORP · CIK 0001065521 · Director · 10% owner

SoftBank Group Capital Ltd · CIK 0001755163 · Director · 10% owner

Delaware Project 4 L.L.C. · CIK 0001815950 · Director · 10% owner

Delaware Project 6 L.L.C. · CIK 0001815949 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By SoftBank Group Capital Ltd

Disclosed balance after: 131,041,623

F1 · kind: Marcelo Claure, Stephen Kappes, each members of the Board of Directors of the Issuer, and Ronald D. Fisher, who resigned from the Board of Directors on June 22, 2020, were elected as representatives of Softbank Group Corp. ("SoftBank"), SoftBank Group Capital Ltd ("SBGC"), Delaware Project 4 L.L.C. ("Project 4 LLC") and Delaware Project 6 L.L.C. ("Project 6 LLC"). As a result, each of these entities is a director by deputization for Section 16 purposes.

F2 · kind: The shares were sold to the Issuer pursuant to a Share Repurchase Agreement, dated as of June 22, 2020 (the "Share Repurchase Agreement"), between SBGC and the Issuer. The Issuer sold 154,147,026 shares of common stock in a registered public offering that closed on June 26, 2020, the net proceeds of which were used by the Issuer to purchase an equal number of shares of Common Stock from SBGC.

F6 · kind: Reflects the acquisition from the Issuer, in accordance with the Share Repurchase Agreement, and as partial consideration, together with a $1,667,167,222.80 cash payment from the Issuer, for the 19,417,400 shares of Common Stock reported on this Form 4, a contingent value right note (the "CVR Note") in the aggregate principal amount of $2,000,000,000. Pursuant to the CVR Note, the Trust will deliver on the Exchange Date (June 1, 2023, which may be extended as provided for in the CVR Note) a number of shares of Common Stock with respect to each $1,000 principal amount of the CVR Note determined by an exchange rate set forth in the CVR Note. The exchange rate is based on the daily volume weighted average price of a share of Common Stock during the 40 trading days preceding June 1, 2023.

F2 · price: The shares were sold to the Issuer pursuant to a Share Repurchase Agreement, dated as of June 22, 2020 (the "Share Repurchase Agreement"), between SBGC and the Issuer. The Issuer sold 154,147,026 shares of common stock in a registered public offering that closed on June 26, 2020, the net proceeds of which were used by the Issuer to purchase an equal number of shares of Common Stock from SBGC.

F6 · price: Reflects the acquisition from the Issuer, in accordance with the Share Repurchase Agreement, and as partial consideration, together with a $1,667,167,222.80 cash payment from the Issuer, for the 19,417,400 shares of Common Stock reported on this Form 4, a contingent value right note (the "CVR Note") in the aggregate principal amount of $2,000,000,000. Pursuant to the CVR Note, the Trust will deliver on the Exchange Date (June 1, 2023, which may be extended as provided for in the CVR Note) a number of shares of Common Stock with respect to each $1,000 principal amount of the CVR Note determined by an exchange rate set forth in the CVR Note. The exchange rate is based on the daily volume weighted average price of a share of Common Stock during the 40 trading days preceding June 1, 2023.

SEC source: 0000925421-20-000264 · edgar.xml · nonDerivative · entry 1

SOFTBANK GROUP CORP · CIK 0001065521 · Director · 10% owner

SoftBank Group Capital Ltd · CIK 0001755163 · Director · 10% owner

Delaware Project 4 L.L.C. · CIK 0001815950 · Director · 10% owner

Delaware Project 6 L.L.C. · CIK 0001815949 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By SoftBank Group Capital Ltd

Disclosed balance after: 150,459,023

F1 · kind: Marcelo Claure, Stephen Kappes, each members of the Board of Directors of the Issuer, and Ronald D. Fisher, who resigned from the Board of Directors on June 22, 2020, were elected as representatives of Softbank Group Corp. ("SoftBank"), SoftBank Group Capital Ltd ("SBGC"), Delaware Project 4 L.L.C. ("Project 4 LLC") and Delaware Project 6 L.L.C. ("Project 6 LLC"). As a result, each of these entities is a director by deputization for Section 16 purposes.

F2 · kind: The shares were sold to the Issuer pursuant to a Share Repurchase Agreement, dated as of June 22, 2020 (the "Share Repurchase Agreement"), between SBGC and the Issuer. The Issuer sold 154,147,026 shares of common stock in a registered public offering that closed on June 26, 2020, the net proceeds of which were used by the Issuer to purchase an equal number of shares of Common Stock from SBGC.

SEC source: 0001140361-20-015223 · form4.xml · nonDerivative · entry 1

FISHER RONALD D · CIK 0001065266 · Director · Resigned on 6/22/20

10b5-1 filing: Not disclosed

Ownership: Indirect · By T-Mo Fisher LLC

Disclosed balance after: 350,000

SEC source: 0001140361-20-015222 · form4.xml · nonDerivative · entry 1

CLAURE RAUL MARCELO · CIK 0001388687 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Claure Mobile LLC

Disclosed balance after: 5,000,000

F1 · shares: Represents the number of shares of common stock of the Issuer that the Issuer agreed to sell to Claure Mobile LLC, an entity controlled by Marcelo Claure, for $103.00 per share, subject to receipt of necessary regulatory approvals.

F2 · ownership.nature: Claure Mobile LLC is an entity controlled by Marcelo Claure.

SEC source: 0000950157-20-000801 · form4.xml · derivative · entry 1

Deutsche Telekom Holding B.V. · CIK 0001597213 · Director · 10% owner

T-Mobile Global Holding GmbH · CIK 0001576360 · Director · 10% owner

T-Mobile Global Zwischenholding GmbH · CIK 0001576359 · Director · 10% owner

DEUTSCHE TELEKOM AG · CIK 0000946770 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 44,905,479

Underlying: Common Stock · 44,905,479 shares

Expires 2024-06-22

F1 · derivative.exercise_price: The exercise price per share of the call options (the "Call Options") granted pursuant to the Newco-DT Call Option, among T-Mobile Agent LLC ("T-Mobile Agent"), as grantor, SoftBank Group Capital Ltd ("SBGC"), as registrar, and Deutsche Telekom AG ("DT"), as optionholder, dated June 22, 2020 (the "Newco-DT Call Option") is the lesser of (i) $106.90 and (ii) the volume weighted average price of the shares of common stock (the "Common Stock") of T-Mobile US, Inc. (the "Company") sold by SoftBank Group Corp. ("SoftBank") in one or more underwritten public offerings of Common Stock on or prior to December 22, 2020, which may include one or more "synthetic secondary offerings" undertaken through the Company,

F2 · derivative.exercise_price: (Continued from footnote 1) in each case during the period beginning on June 22, 2020 and ending on the earlier of (x) December 22, 2020 and (y) the close of business on the business day immediately preceding the date of delivery of the first notice of exercise of the Call Options by DT, calculated after all discounts, commissions, spreads, fees or other similar amounts as determined by, or agreed to with, the underwriters, placement agents or other persons performing similar functions in connection with such public offerings.

F3 · derivative.exercise_price: (Continued from footnote 2) On and after October 2, 2020, each of DT and T-Mobile Agent shall have the right to effectuate an exchange of the Newco-DT Call Option pursuant to which T-Mobile Agent shall transfer and assign to each optionholder a pro rata interest in the SB-Newco Call Option, between SBGC, as grantor, and T-Mobile Agent LLC, as optionholder, dated June 22, 2020 (the "SB-Newco Call Option"). To effectuate this transfer and assignment, T-Mobile Agent shall issue a SB-Newco Call Option, in each case, registered in the name of each optionholder of Newco-DT Call Options and representing the right of each optionholder to purchase the same number of shares of Common Stock subject to each such exchanged Newco-DT Call Option.

F4 · price: In connection with the transactions between or among SoftBank, DT, Claure Mobile LLC (the "Executive Purchaser"), SBGC, Delaware Project 4 L.L.C. ("Project 4 LLC"), Delaware Project 6 L.L.C. ("Project 6 LLC" and, together with SoftBank, SBGC and Project 4 LLC, the "SoftBank Parties") and the Company as described in the Master Framework Agreement by and among the SoftBank Parties, DT, the Executive Purchaser and the Company, dated June 22, 2020 (the "Master Framework Agreement"),

F5 · price: (Continued from footnote 4) DT granted its consent under the Proxy, Lock-Up and ROFR Agreement, dated April 1, 2020, by and between SoftBank and DT, to certain transactions contemplated by the Master Framework Agreement, pursuant to a consent letter between DT and SoftBank, dated June 22, 2020 (the "Proxy Agreement Consent"). As a portion of the consideration for the Proxy Agreement Consent and as part of the transactions contemplated by the Master Framework Agreement, SoftBank granted to the Company and the Company granted to DT the Call Options.

F6 · ownership.direct: The derivative securities are directly held by DT.

SEC source: 0000925421-20-000261 · edgar.xml · derivative · entry 1

SoftBank Group Capital Ltd · CIK 0001755163 · Director · 10% owner

SOFTBANK GROUP CORP · CIK 0001065521 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 44,905,479

Underlying: Common Stock · 44,905,479 shares

Expires 2024-06-22

F1 · derivative.exercise_price: The exercise price per share of the call options is the lesser of (i) $106.90 and (ii) the volume weighted average price of the shares of common stock of the Issuer sold by SoftBank Group Capital Ltd ("SBGC") in one or more underwritten public offerings of Common Stock on or prior to December 22, 2020, which may include one or more "synthetic secondary offerings" undertaken through the Company,

F2 · derivative.exercise_price: (Continued from footnote 1) in each case during the period beginning on June 22, 2020 and ending on the earlier of (x) December 22, 2020 and (y) the close of business on the business day immediately preceding the date of delivery of the first notice of exercise of the options, calculated after all discounts, commissions, spreads, fees or other similar amounts as determined by, or agreed to with, the underwriters, placement agents or other persons performing similar functions in connection with such public offerings.

F3 · kind: Marcelo Claure, Stephen Kappes, each members of the Board of Directors of the Issuer, and Ronald D. Fisher, who resigned from the Board of Directors on June 22, 2020, were elected as representatives of Softbank Group Corp. ("SoftBank"), SBGC and the other SoftBank Parties (defined below). As a result, each of these entities is a director by deputization for Section 16 purposes.

F4 · price: In connection with the transactions between or among SoftBank, Deutsche Telekom AG ("DT"), Claure Mobile LLC (the "Executive Purchaser"), SBGC, Delaware Project 4 L.L.C. ("Project 4 LLC"), Delaware Project 6 L.L.C. ("Project 6 LLC" and, together with SoftBank, SBGC and Project 4 LLC, the "SoftBank Parties") and the Issuer as described in the Master Framework Agreement by and among the SoftBank Parties, DT, the Executive Purchaser and the Issuer, dated June 22, 2020 (the "Master Framework Agreement"),

F5 · price: (Continued from footnote 4) DT granted its consent under the Proxy, Lock-Up and ROFR Agreement, dated April 1, 2020, by and between SoftBank and DT, to certain transactions contemplated by the Master Framework Agreement, pursuant to a consent letter between DT and SoftBank, dated June 22, 2020 (the "Proxy Agreement Consent"). As a portion of the consideration for the Proxy Agreement Consent and as part of the transactions contemplated by the Master Framework Agreement, SoftBank granted the options to a subsidiary of the Issuer, which, in turn, issued a back-to-back call option to DT.

F6 · ownership.direct: The derivative securities are directly held by SBGC, a wholly owned subsidiary of SoftBank. SoftBank disclaims beneficial ownership of the derivative securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0001283699-20-000123 · wf-form4_159165320438711.xml · nonDerivative · entry 1

Taylor Teresa · CIK 0001443289 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,413

F1 · shares: Represents restricted stock units granted under the Issuer's 2013 Omnibus Incentive Plan; such units vest in full on June 4, 2021 (the one-year anniversary of the grant), subject to the terms of the Issuer's Director Compensation Program.

SEC source: 0001283699-20-000122 · wf-form4_159165307694199.xml · nonDerivative · entry 1

Guffey Lawrence · CIK 0001326406 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,413

F1 · shares: Represents restricted stock units granted under the Issuer's 2013 Omnibus Incentive Plan; such units vest in full on June 4, 2021 (the one-year anniversary of the grant), subject to the terms of the Issuer's Director Compensation Program.

SEC source: 0001283699-20-000126 · wf-form4_159165343668612.xml · nonDerivative · entry 1

Datar Srikant M. · CIK 0001376436 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,989

F1 · shares: Represents restricted stock units granted under the Issuer's 2013 Omnibus Incentive Plan; such units vest in full on June 4, 2021 (the one-year anniversary of the grant), subject to the terms of the Issuer's Director Compensation Program.

SEC source: 0001283699-20-000125 · wf-form4_159165332477425.xml · nonDerivative · entry 1

KAPPES STEPHEN R · CIK 0001742666 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,291

F1 · shares: Represents restricted stock units granted under the Issuer's 2013 Omnibus Incentive Plan; such units vest in full on June 4, 2021 (the one-year anniversary of the grant), subject to the terms of the Issuer's Director Compensation Program.

SEC source: 0001283699-20-000124 · wf-form4_159165324606328.xml · nonDerivative · entry 1

WESTBROOK KELVIN R · CIK 0001190588 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,413

F1 · shares: Represents restricted stock units granted under the Issuer's 2013 Omnibus Incentive Plan; such units vest in full on June 4, 2021 (the one-year anniversary of the grant), subject to the terms of the Issuer's Director Compensation Program.

SEC source: 0001283699-20-000116 · wf-form4_159062078570360.xml · nonDerivative · entry 3

King Deeanne · CIK 0001808243 · EVP, Human Resources

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 33,559

F1 · shares: Represents shares withheld for payment of taxes on vesting of restricted stock units; not an open market transaction.

SEC source: 0001283699-20-000116 · wf-form4_159062078570360.xml · nonDerivative · entry 2

King Deeanne · CIK 0001808243 · EVP, Human Resources

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 33,739

F2 · shares: Represents shares withheld for payment of taxes on vesting of performance-based restricted stock units; not an open market transaction.

SEC source: 0001283699-21-000068 · wf-form4_161678963469913.xml · nonDerivative · entry 1

King Deeanne · CIK 0001808243 · EVP, Human Resources

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 45,260

F1 · shares: Represents performance-based restricted stock units earned under the 2015 Sprint Omnibus Plan, as amended (the "Plan"); these units vested on May 24, 2020 subject to the terms of the Plan and such award.

SEC source: 0001283699-20-000116 · wf-form4_159062078570360.xml · nonDerivative · entry 1

King Deeanne · CIK 0001808243 · EVP, Human Resources

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 34,588

F1 · shares: Represents shares withheld for payment of taxes on vesting of restricted stock units; not an open market transaction.

SEC source: 0001283699-20-000114 · wf-form4_158992403732233.xml · nonDerivative · entry 2

King Deeanne · CIK 0001808243 · EVP, Human Resources

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 35,373

F2 · shares: Represents shares withheld for payment of taxes on vesting of restricted stock units; not an open market transaction.

SEC source: 0001283699-20-000114 · wf-form4_158992403732233.xml · nonDerivative · entry 1

King Deeanne · CIK 0001808243 · EVP, Human Resources

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 36,604

F1 · shares: Represents restricted stock units granted under the 2015 Sprint Omnibus Plan, as amended(the "Plan"); one-third of the units vest on each of May 15, 2021, May 15, 2022 and May 15, 2023, subject to the terms of the Plan and such award.

SEC source: 0001283699-20-000091 · wf-form4_158871622853519.xml · nonDerivative · entry 2

SIEVERT G MICHAEL · CIK 0001182438 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 769,105

F2 · shares: Represents shares withheld for payment of taxes on vesting of performance-based restricted stock units; not an open market transaction.

SEC source: 0001283699-20-000091 · wf-form4_158871622853519.xml · nonDerivative · entry 1

SIEVERT G MICHAEL · CIK 0001182438 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 861,963

F1 · shares: Represents performance-based restricted stock units ("PRSUs") earned under the issuer's 2013 Omnibus Incentive Plan that vested on May 1, 2020 based on the Company's relative total shareholder return as of May 1, 2020 calculated as set forth in executive's PRSU award agreement dated April 29, 2018.

SEC source: 0001283699-20-000092 · wf-form4_158871628354336.xml · nonDerivative · entry 2

Miller David A · CIK 0001576259 · EVP, General Counsel & Sec.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 201,142

F3 · shares: Represents shares withheld for payment of taxes on vesting of performance-based restricted stock units; not an open market transaction.

SEC source: 0001283699-20-000092 · wf-form4_158871628354336.xml · nonDerivative · entry 1

Miller David A · CIK 0001576259 · EVP, General Counsel & Sec.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 216,464

F1 · shares: Represents performance-based restricted stock units ("PRSUs") earned under the issuer's 2013 Omnibus Incentive Plan that vested on May 1, 2020 based on the Company's relative total shareholder return as of May 1, 2020 calculated as set forth in executive's PRSU award agreement dated November 29, 2018.

F2 · balance_after: Includes acquisition of shares of common stock under the issuer's 2014 Employee Stock Purchase Plan.

SEC source: 0001283699-20-000090 · wf-form4_158871612518325.xml · nonDerivative · entry 2

Ewens Peter A · CIK 0001576183 · EVP, Corporate Strategy

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 270,077

F2 · shares: Represents shares withheld for payment of taxes on vesting of performance-based restricted stock units; not an open market transaction.

SEC source: 0001283699-20-000090 · wf-form4_158871612518325.xml · nonDerivative · entry 1

Ewens Peter A · CIK 0001576183 · EVP, Corporate Strategy

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 285,399

F1 · shares: Represents performance-based restricted stock units ("PRSUs") earned under the issuer's 2013 Omnibus Incentive Plan that vested on May 1, 2020 based on the Company's relative total shareholder return as of May 1, 2020 calculated as set forth in executive's PRSU award agreement dated November 29, 2018.

SEC source: 0001283699-20-000089 · wf-form4_158871603951197.xml · nonDerivative · entry 2

Ray Neville R · CIK 0001576185 · President, Technology

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 504,231

F3 · shares: Represents shares withheld for payment of taxes on vesting of performance-based restricted stock units; not an open market transaction.

SEC source: 0001283699-20-000089 · wf-form4_158871603951197.xml · nonDerivative · entry 1

Ray Neville R · CIK 0001576185 · President, Technology

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 560,816

F1 · shares: Represents performance-based restricted stock units ("PRSUs") earned under the issuer's 2013 Omnibus Incentive Plan that vested on May 1, 2020 based on the Company's relative total shareholder return as of May 1, 2020 calculated as set forth in executive's PRSU award agreement dated April 29, 2018.

F2 · balance_after: Includes acquisition of shares of common stock under the issuer's 2014 Employee Stock Purchase Plan.

SEC source: 0000925421-20-000155 · edgar.xml · derivative · entry 2

SoftBank Group Capital Ltd · CIK 0001755163 · 10% owner

SOFTBANK GROUP CORP · CIK 0001065521 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 48,751,557

Underlying: Common Stock · 48,751,557 shares

Expires not disclosed

F1 · derivative.exercise_price: See remarks below.

F1 · kind: See remarks below.

F1 · price: See remarks below.

F1 · derivative.exercise_date: See remarks below.

F1 · derivative.expiration_date: See remarks below.

F2 · ownership.direct: The shares are directly held by SoftBank Group Capital Ltd, a wholly owned subsidiary of SoftBank. SoftBank may be deemed to have voting and dispositive power with respect to the shares held by SoftBank Group Capital Ltd. Each Reporting Person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000925421-20-000155 · edgar.xml · nonDerivative · entry 1

SoftBank Group Capital Ltd · CIK 0001755163 · 10% owner

SOFTBANK GROUP CORP · CIK 0001065521 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 304,606,049

F1 · kind: See remarks below.

F1 · price: See remarks below.

F2 · ownership.direct: The shares are directly held by SoftBank Group Capital Ltd, a wholly owned subsidiary of SoftBank. SoftBank may be deemed to have voting and dispositive power with respect to the shares held by SoftBank Group Capital Ltd. Each Reporting Person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0001283699-20-000070 · wf-form4_158594958259518.xml · nonDerivative · entry 1

KAPPES STEPHEN R · CIK 0001742666 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,895

F1 · shares: Represents restricted stock units granted under the Issuer's 2013 Omnibus Incentive Plan; such units vest in full on June 13, 2020, subject to the terms of the Issuer's Director Compensation Program.

SEC source: 0001283699-20-000068 · wf-form4_158594937037382.xml · nonDerivative · entry 3

LEGERE JOHN J · CIK 0001268456 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,451,653

F2 · shares: Represents shares withheld for payment of taxes on vesting of restricted stock units and performance-based restricted stock units; not an open market transaction.

SEC source: 0001283699-20-000068 · wf-form4_158594937037382.xml · nonDerivative · entry 2

LEGERE JOHN J · CIK 0001268456 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,045,145

F1 · shares: Represents performance-based restricted stock units earned under the issuer's 2013 Omnibus Incentive Plan that vested on Apri1 1, 2020, based on the Company's relative total shareholder return as of March 31, 2020, pursuant to his Amended and Restated Employment Agreement, dated April 1, 2017, as subsequently amended.

SEC source: 0001283699-20-000068 · wf-form4_158594937037382.xml · nonDerivative · entry 1

LEGERE JOHN J · CIK 0001268456 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,672,909

SEC source: 0001283699-20-000053 · wf-form4_158284881647828.xml · nonDerivative · entry 2

SIEVERT G MICHAEL · CIK 0001182438 · Director · President & COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 625,985

F2 · shares: Represents shares withheld for payment of taxes on vesting of restricted stock units and performance-based restricted stock units; not an open market transaction.

SEC source: 0001283699-20-000053 · wf-form4_158284881647828.xml · nonDerivative · entry 1

SIEVERT G MICHAEL · CIK 0001182438 · Director · President & COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 657,730

F1 · shares: Represents performance-based restricted stock units earned under the issuer's 2013 Omnibus Incentive Plan that vested on February 25, 2020 based on the Company's relative total shareholder return during the three-year period ending February 25, 2020.

SEC source: 0001283699-20-000059 · wf-form4_158284934372027.xml · nonDerivative · entry 3

LEGERE JOHN J · CIK 0001268456 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,890,053

F2 · shares: Represents shares withheld for payment of taxes on vesting of restricted stock units and performance-based restricted stock units; not an open market transaction.

SEC source: 0001283699-20-000059 · wf-form4_158284934372027.xml · nonDerivative · entry 2

LEGERE JOHN J · CIK 0001268456 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,977,531

F1 · shares: Represents performance-based restricted stock units earned under the issuer's 2013 Omnibus Incentive Plan that vested on February 25, 2020 based on the Company's relative total shareholder return during the three-year period ending February 25, 2020.

SEC source: 0001283699-20-000059 · wf-form4_158284934372027.xml · nonDerivative · entry 1

LEGERE JOHN J · CIK 0001268456 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,925,849

F1 · shares: Represents performance-based restricted stock units earned under the issuer's 2013 Omnibus Incentive Plan that vested on February 25, 2020 based on the Company's relative total shareholder return during the three-year period ending February 25, 2020.

SEC source: 0001283699-20-000058 · wf-form4_158284929062055.xml · nonDerivative · entry 2

Ewens Peter A · CIK 0001576183 · EVP, Corporate Strategy

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 246,463

F2 · shares: Represents shares withheld for payment of taxes on vesting of restricted stock units and performance-based restricted stock units; not an open market transaction.

SEC source: 0001283699-20-000058 · wf-form4_158284929062055.xml · nonDerivative · entry 1

Ewens Peter A · CIK 0001576183 · EVP, Corporate Strategy

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 258,048

F1 · shares: Represents performance-based restricted stock units earned under the issuer's 2013 Omnibus Incentive Plan that vested on February 25, 2020 based on the Company's relative total shareholder return during the three-year period ending February 25, 2020.

SEC source: 0001283699-20-000057 · wf-form4_158284922916970.xml · nonDerivative · entry 2

Miller David A · CIK 0001576259 · EVP, General Counsel & Sec.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 177,208

F2 · shares: Represents shares withheld for payment of taxes on vesting of restricted stock units and performance-based restricted stock units; not an open market transaction.

SEC source: 0001283699-20-000057 · wf-form4_158284922916970.xml · nonDerivative · entry 1

Miller David A · CIK 0001576259 · EVP, General Counsel & Sec.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 185,229

F1 · shares: Represents performance-based restricted stock units earned under the issuer's 2013 Omnibus Incentive Plan that vested on February 25, 2020 based on the Company's relative total shareholder return during the three-year period ending February 25, 2020.