EXPLANATORY NOTE
This Amendment No. 9 (this Schedule 13D Amendment) to the Schedule 13D filed with the U.S. Securities and Exchange
Commission (the Commission) on April 2, 2020, as amended and supplemented by Amendment No. 1 to the Schedule 13D filed with the Commission on June 15, 2020, Amendment No. 2 to the Schedule 13D filed with the
Commission on June 25, 2020, Amendment No. 3 to the Schedule 13D filed with the Commission on June 26, 2020, Amendment No. 4 to the Schedule 13D filed with the Commission on July 30, 2020, Amendment No. 5 to the
Schedule 13D filed with the Commission on October 6, 2020, Amendment No. 6 to the Schedule 13D filed with the Commission on September 7, 2021, Amendment No. 7 to the Schedule 13D filed with the Commission on September 9,
2021 and Amendment No. 8 to the Schedule 13D filed with the Commission on September 16, 2021 (as amended and supplemented, this Schedule 13D), is being filed on behalf of SoftBank Group Corp., a Japanese kabushiki
kaisha (SoftBank), its wholly owned subsidiary SoftBank Group Capital Ltd, a private limited company incorporated in England and Wales (SBGC), and SoftBanks wholly owned subsidiary Delaware Project 6
L.L.C., a Delaware limited liability company (Project 6 LLC) (and, together with SoftBank and SBGC, the Reporting Persons), with respect to the common stock of T-Mobile
US, Inc., a Delaware corporation (T-Mobile or the Issuer), par value $0.00001 per share (the Common Stock).
Other than as set forth below, all Items in the Schedule 13D are materially unchanged. Capitalized terms used in this Schedule 13D Amendment
which are not defined herein have the meanings given to them in this Schedule 13D.
Item 4. Purpose of Transaction.
Item 4 of the Schedule 13D is hereby amended to include the following:
The information set forth in Item 6 of this Schedule 13D Amendment including without limitation information as to the rights and obligations of the Reporting
Persons pursuant to the terms of the agreements, instruments and other matters described therein, is hereby incorporated by reference.
Item 5.
Interest in Securities of the Issuer
Item 5 of the Schedule 13D is hereby amended to include the following:
(a)-(b) The information contained in the cover pages of this Schedule 13D and the information set forth in Item 6 is incorporated herein by reference.
Project 6 LLC beneficially owns 60,924,954 shares of Common Stock, which represents approximately 4.88% of the shares of Common Stock outstanding as of July 28, 2021, as reported by the Issuer in its Quarterly Report on Form 10-Q, filed with the Commission on August 3, 2021. The shares of Common Stock beneficially owned by Project 6 LLC are subject to the Proxy Agreement (of which 56,124,954 of such shares are subject to the Call
Options). SBGC and Project 6 LLC are wholly owned subsidiaries of SoftBank. As a result, SoftBank may be deemed to beneficially own the shares of Common Stock beneficially owned by Project 6 LLC.
(c) The information set forth in Item 6 of this Schedule 13D Amendment is hereby incorporated by reference.
Item 6. Contracts, Arrangements, Understandings or Relationships with Respect to Securities of the Issuer.
Item 6 of the Schedule 13D is hereby amended and supplemented to include the following:
Pursuant to the terms of the 2021 Master Framework Agreement (as disclosed on Amendment no. 6 to the Schedule 13D filed on September 7,
2021), Deutsche Telekom exercised its right to acquire 19,017,795 shares of Common Stock granted by Project 6 LLC pursuant to the SB-DT Call Option, dated June 22, 2020 (which is filed as Exhibit 11
hereto) (the Floating Options) and its right to acquire 26,348,874 shares of Common Stock granted by Project 6 LLC pursuant to the Replacement SB-Newco Call Option, dated October 6, 2020 (which is filed as Exhibit 23 hereto)
(the Fixed Options).
Pursuant to the Call Option Support Agreement (which is filed as Exhibit 14 hereto), Deutsche
Telekom elected to settle the strike price with respect to the Floating Options and the Fixed Options in the form of no par value registered shares of Deutsche Telekom (DT Shares). In accordance with the Call Option Support
Agreement and the Fixed Options, the number of DT Shares deliverable in respect of the strike price of the Fixed Options is 133,672,515 DT Shares. Pursuant to the 2021 Master Framework Agreement, the strike price with respect to the 19,017,795
Floating Options that will be exercised equals 91,327,485 DT Shares in the aggregate. In aggregate, Project 6 LLC will receive 225,000,000 DT Shares upon the settlement of the options exercises.