T-Mobile US Inc. Watch

Other Revised 05/13/25 T-Mobile US, Inc. Presents at 53rd Annual JPMorgan Global Technology, Media and Communications Conference, May-13-2025 03:10 PM 05/13/25 Earnings Revised 04/24/25 T-Mobile US, Inc., Q1 2025 Earnings Call, Apr 24, 2025 04/24/25 Other Revised 03/05/25 T-Mobile US, Inc. Presents at Morgan Stanley Technology, Media & Telecom Conference, Mar-05-2025 02:35 PM 03/05/25 Earnings Revised 01/29/25 T-Mobile US, Inc., Q4 2024 Earnings Call, Jan 29, 2025 01/29/25

Other Revised 12/09/24 T-Mobile US, Inc. Presents at UBS Global Media & Communications Conference, Dec-09-2024 12:45 PM 12/09/24 Other Revised 12/11/24 T-Mobile US, Inc. Presents at Wells Fargo 8th Annual TMT Summit, Dec-03-2024 08:00 AM 12/03/24 Earnings Revised 10/23/24 T-Mobile US, Inc., Q3 2024 Earnings Call, Oct 23, 2024 10/23/24 Other Revised 10/10/24 T-Mobile US, Inc. Presents at Deutsche Telekom Capital Markets Day, Oct-10-2024 03:15 PM 10/10/24 Other Revised 09/19/24 T-Mobile US, Inc. - Analyst/Investor Day 09/18/24 Earnings Revised 07/31/24 T-Mobile US, Inc., Q2 2024 Earnings Call, Jul 31, 2024 07/31/24 Other Revised 05/21/24 T-Mobile US, Inc. Presents at The 52nd J.P. Morgan Annual Global Technology, Media & Communications Conference, May-21-2024 01:05 PM 05/21/24 Other Revised 05/14/24 T-Mobile US, Inc. Presents at MoffettNathanson's Media, Internet & Communications Conference, May-14-2024 11:00 AM 05/14/24 Earnings Revised 04/25/24 T-Mobile US, Inc., Q1 2024 Earnings Call, Apr 25, 2024 04/25/24 Other Revised 03/11/24 T-Mobile US, Inc. Presents at Deutsche Bank's 32 Annual Media, Internet & Telecom Conference, Mar-11-2024 08:50 AM 03/11/24 Other Revised 03/05/24 T-Mobile US, Inc. Presents at Morgan Stanley’s Technology, Media & Telecom Conference 2024, Mar-05-2024 12:35 PM 03/05/24 Earnings Revised 01/25/24 T-Mobile US, Inc., Q4 2023 Earnings Call, Jan 25, 2024 01/25/24 Other Revised 01/18/24 T-Mobile US, Inc. Presents at NRF 2024: Retail’s Big Show, Jan-15-2024 04:00 PM 01/15/24

Other Revised 03/19/24 T-Mobile US, Inc. Presents at UBS Global Media & Communications Conference, Dec-05-2023 09:45 AM 12/05/23 Earnings Revised 10/25/23 T-Mobile US, Inc., Q3 2023 Earnings Call, Oct 25, 2023 10/25/23 Other Revised 09/13/23 T-Mobile US, Inc. Presents at Bank of America Securities Media, Communications and Entertainment Conference, Sep-13-2023 09:40 AM 09/13/23 Other Revised 09/06/23 T-Mobile US, Inc. Presents at Goldman Sachs Communacopia & Technology Conference, Sep-06-2023 10:10 AM 09/06/23 Earnings Revised 07/27/23 T-Mobile US, Inc., Q2 2023 Earnings Call, Jul 27, 2023 07/27/23 Other Revised 06/20/23 T-Mobile US, Inc. Presents at Bank of America C-Suite TMT Conference, Jun-20-2023 11:30 AM 06/20/23 Other Revised 05/22/23 T-Mobile US, Inc. Presents at 51st Annual J.P. Morgan’s Global Technology, Media and Communications Conference 2023, May-22-2023 01:10 PM 05/22/23 Other Revised 05/17/23 T-Mobile US, Inc. Presents at SVB MoffettNathanson's Inaugural Technology, Media and Telecom Conference, May-17-2023 08:00 AM 05/17/23 Earnings Revised 04/28/23 T-Mobile US, Inc., Q1 2023 Earnings Call, Apr 27, 2023 04/27/23 Other Revised 11/25/24 T-Mobile US, Inc. Presents at Morgan Stanley Technology, Media & Telecom Conference, Mar-07-2023 03:55 PM 03/07/23 Other Revised 02/28/23 T-Mobile US, Inc. Presents at 31st Annual Media, Internet & Telecom Conference, Feb-28-2023 09:40 AM 02/28/23 Earnings Revised 02/01/23 T-Mobile US, Inc., Q4 2022 Earnings Call, Feb 01, 2023 02/01/23 Other Revised 01/04/23 T-Mobile US, Inc. Presents at Citi’s 2023 Communications, Media & Entertainment Conference, Jan-04-2023 04:15 PM 01/04/23

Other Revised 12/06/22 T-Mobile US, Inc. Presents at UBS 50th Annual Global TMT Conference, Dec-06-2022 03:50 PM 12/06/22 Other Revised 11/16/22 T-Mobile US, Inc. Presents at Morgan Stanley European Technology, Media & Telecom Conference 2022, Nov-16-2022 09:45 AM 11/16/22 Other Revised 11/14/22 T-Mobile US, Inc. Presents at NSR & BCG Innovation Conference: 5G and Beyond. Cloud. Convergence 2022, Nov-14-2022 12:25 PM 11/14/22 Earnings Revised 10/27/22 T-Mobile US, Inc., Q3 2022 Earnings Call, Oct 27, 2022 10/27/22 Other Revised 09/14/22 T-Mobile US, Inc. Presents at Goldman Sachs Communacopia + Technology Conference 2022, Sep-14-2022 03:00 PM 09/14/22 Other Revised 09/07/22 T-Mobile US, Inc. Presents at Bank of America Media, Communications & Entertainment Conference 2022, Sep-07-2022 11:50 AM 09/07/22 Other Revised 09/07/22 Cogent Communications Holdings, Inc., T-Mobile US, Inc. - M&A Call 09/07/22 Other Revised 08/09/22 T-Mobile US, Inc. Presents at Oppenheimer 25th Annual Technology, Internet & Communications Conference, Aug-09-2022 11:35 AM 08/09/22 Earnings Revised 07/27/22 T-Mobile US, Inc., Q2 2022 Earnings Call, Jul 27, 2022 07/27/22 Other Revised 06/15/22 T-Mobile US, Inc. Presents at Credit Suisse 24th Annual Communications Conference, Jun-15-2022 04:15 PM 06/15/22 Other Revised 06/03/22 T-Mobile US, Inc. Presents at UBS Future of 5G Investor Conference, Jun-03-2022 11:00 AM 06/03/22 Other Revised 05/23/22 T-Mobile US, Inc. Presents at J.P. Morgan’s 50th Annual Global Technology, Media and Communications Conference 2022, May-23-2022 12:30 PM 05/23/22 Other Revised 05/19/22 T-Mobile US, Inc. Presents at MoffettNathanson Annual Media & Communications Summit, May-19-2022 12:00 PM 05/19/22 Other Revised 05/04/22 T-Mobile US, Inc. - Special Call 05/04/22 Earnings Revised 04/27/22 T-Mobile US, Inc., Q1 2022 Earnings Call, Apr 27, 2022 04/27/22 Other Revised 03/15/22 T-Mobile US, Inc. Presents at 30th Annual Deutsche Bank Media, Internet & Telecom Conference, Mar-15-2022 05:05 PM 03/15/22 Other Revised 03/09/22 T-Mobile US, Inc. Presents at Morgan Stanley Technology, Media and Telecom Conference 2022, Mar-09-2022 09:45 AM 03/09/22 Earnings Revised 02/02/22 T-Mobile US, Inc., Q4 2021 Earnings Call, Feb 02, 2022 02/02/22 Other Revised 01/06/22 T-Mobile US, Inc. Presents at Citi’s AppsEconomy Virtual Conference, Jan-06-2022 04:00 PM 01/06/22

Other Revised 12/14/21 T-Mobile US, Inc. Presents at Oppenheimer's 5G Summit: Wireless and Cloud Convergence Begins, Dec-14-2021 11:35 AM 12/14/21 Other Revised 12/08/21 T-Mobile US, Inc. Presents at Barclays Global TMT Conference 2021, Dec-08-2021 01:45 PM 12/08/21 Other Revised 12/06/21 T-Mobile US, Inc. Presents at UBS Global TMT Virtual Conference, Dec-06-2021 05:00 PM 12/06/21 Other Revised 11/17/21 T-Mobile US, Inc. Presents at Morgan Stanley European Technology, Media & Telecom Conference 2021, Nov-17-2021 05:25 PM 11/17/21 Other Revised 11/15/21 T-Mobile US, Inc. Presents at New Street Research and BCG 5G Conference, Nov-15-2021 01:00 PM 11/15/21 Earnings Revised 11/02/21 T-Mobile US, Inc., Q3 2021 Earnings Call, Nov 02, 2021 11/02/21 Other Revised 09/22/21 T-Mobile US, Inc. Presents at Goldman Sachs 30th Annual Communacopia Conference, Sep-22-2021 01:15 PM 09/22/21 Other Revised 09/14/21 T-Mobile US, Inc. Presents at Bank of America Securities 2021 Media, Communications and Entertainment Conference, Sep-14-2021 04:10 PM 09/14/21 Other Revised 08/11/21 T-Mobile US, Inc. Presents at Oppenheimer 24th Annual Technology, Internet and Communications Conference, Aug-11-2021 04:35 PM 08/11/21 Earnings Revised 07/29/21 T-Mobile US, Inc., Q2 2021 Earnings Call, Jul 29, 2021 07/29/21 Other Revised 06/15/21 T-Mobile US, Inc. Presents at Credit Suisse 23rd Annual Communications Conference, Jun-15-2021 04:35 PM 06/15/21 Other Revised 06/04/21 T-Mobile US, Inc. Presents at UBS Future of 5G Event, Jun-04-2021 11:30 AM 06/04/21 Other Revised 06/03/21 T-Mobile US, Inc. Presents at Cowen 49th Annual Technology, Media & Telecom Conference, Jun-03-2021 04:30 PM 06/03/21 Other Revised 06/03/21 T-Mobile US, Inc. - Shareholder/Analyst Call 06/03/21 Other Revised 05/25/21 T-Mobile US, Inc. Presents at JPMorgan 49th Annual Global Technology, Media and Communications Conference, May-25-2021 05:10 PM 05/25/21 Other Revised 05/13/21 T-Mobile US, Inc. Presents at Moffett Nathanson 8th Annual Media & Communications Summit, May-13-2021 11:00 AM 05/13/21 Earnings Revised 05/04/21 T-Mobile US, Inc., Q1 2021 Earnings Call, May 04, 2021 05/04/21 Other Revised 04/06/21 T-Mobile US, Inc. - Special Call 04/06/21 Other Revised 08/06/24 T-Mobile US, Inc. - Analyst/Investor Day 03/11/21 Other Revised 03/04/21 T-Mobile US, Inc. - Special Call 03/04/21 Earnings Revised 02/04/21 T-Mobile US, Inc., Q4 2020 Earnings Call, Feb 04, 2021 02/04/21 Other Revised 01/06/21 T-Mobile US, Inc. Presents at Citi’s 2021 Global TMT West Virtual Conference, Jan-06-2021 05:00 PM 01/06/21

Other Revised 12/15/20 T-Mobile US, Inc. Presents at Oppenheimer 5G Summit, Dec-15-2020 11:30 AM 12/15/20 Other Revised 12/08/20 T-Mobile US, Inc. Presents at UBS Global TMT Virtual Conference, Dec-08-2020 04:40 PM 12/08/20 Other Revised 11/19/20 T-Mobile US, Inc. Presents at Morgan Stanley European Technology, Media & Telecom Conference, Nov-19-2020 06:20 PM 11/19/20 Other Revised 11/17/20 T-Mobile US, Inc. Presents at New Street/BCG 2020 Conference: 5G. Infrastructure. Applications. Innovation. Disruption, Nov-17-2020 11:20 AM 11/17/20 Earnings Revised 11/05/20 T-Mobile US, Inc., Q3 2020 Earnings Call, Nov 05, 2020 11/05/20 Other Revised 10/07/20 T-Mobile US, Inc. Presents at Showcase 2020, Oct-07-2020 09:00 AM 10/07/20 Other Revised 09/16/20 T-Mobile US, Inc. Presents at Goldman Sachs 29th Annual Communacopia Conference, Sep-16-2020 12:25 PM 09/16/20 Other Revised 08/12/20 T-Mobile US, Inc. Presents at Oppenheimer’s 23rd Annual Technology, Internet & Communications Conference, Aug-12-2020 11:20 AM 08/12/20 Earnings Revised 08/06/20 T-Mobile US, Inc., Q2 2020 Earnings Call, Aug 06, 2020 08/06/20 Other Revised 07/16/20 T-Mobile US, Inc. - Special Call 07/16/20 Other Revised 06/18/20 T-Mobile US, Inc. Presents at Wells Fargo Securities 2020 Virtual 5G Forum, Jun-18-2020 12:55 PM 06/18/20 Other Revised 06/04/20 T-Mobile US, Inc. - Shareholder/Analyst Call 06/04/20 Other Revised 05/18/20 T-Mobile US, Inc. Presents at UBS Future of 5G Virtual Event, May-18-2020 12:00 PM 05/18/20 Other Revised 05/12/20 T-Mobile US, Inc. Presents at J.P. Morgan 48th Annual Global Technology, Media & Communications Conference, May-12-2020 03:30 PM 05/12/20 Other Revised 05/11/20 T-Mobile US, Inc. Presents at MoffettNathanson 7th Annual Media & Communications Summit, May-11-2020 12:00 PM 05/11/20 Earnings Revised 05/06/20 T-Mobile US, Inc., Q1 2020 Earnings Call, May 06, 2020 05/06/20 Earnings Revised 02/06/20 T-Mobile US, Inc., Q4 2019 Earnings Call, Feb 06, 2020 02/06/20 Other Revised 01/07/20 T-Mobile US, Inc. Presents at Citi 2020 Global TMT West Conference, Jan-07-2020 11:45 AM 01/07/20

Other Revised 12/10/19 T-Mobile US, Inc. Presents at UBS Global Technology, Media & Telecom Conference, Dec-10-2019 09:15 AM 12/10/19 Other Revised 11/18/19 T-Mobile US, Inc. - Special Call 11/18/19 Earnings Revised 10/28/19 T-Mobile US, Inc., Q3 2019 Earnings Call, Oct 28, 2019 10/28/19 Other Revised 09/24/19 T-Mobile US, Inc. Presents at Deutsche Bank 27th Annual Leveraged Finance Conference, Sep-24-2019 08:40 AM 09/24/19 Other Revised 09/17/19 T-Mobile US, Inc. Presents at The Goldman Sachs 28th Annual Communacopia Conference, Sep-17-2019 10:30 AM 09/17/19 Earnings Revised 07/26/19 T-Mobile US, Inc., Q2 2019 Earnings Call, Jul 26, 2019 07/26/19 Earnings Revised 04/25/19 T-Mobile US, Inc., Q1 2019 Earnings Call, Apr 25, 2019 04/25/19 Earnings Revised 02/07/19 T-Mobile US, Inc., Q4 2018 Earnings Call, Feb 07, 2019 02/07/19 Other Revised 01/09/19 T-Mobile US, Inc. Presents at Citi’s 2019 Global TMT West Conference, Jan-09-2019 11:45 AM 01/09/19

Other Revised 12/04/18 T-Mobile US, Inc. Presents at Bank of America Merrill Lynch Leveraged Finance Conference, Dec-04-2018 09:30 AM 12/04/18 Other Revised 11/16/18 T-Mobile US, Inc. Presents at Morgan Stanley European Technology, Media & Telecom Conference, Nov-16-2018 08:55 AM 11/16/18 Earnings Revised 10/30/18 T-Mobile US, Inc., Q3 2018 Earnings Call, Oct 30, 2018 10/30/18 Other Revised 10/02/18 T-Mobile US, Inc. Presents at Deutsche Bank 26th Annual Leveraged Financial Conference, Oct-02-2018 02:15 PM 10/02/18 Other Revised 09/12/18 T-Mobile US, Inc. Presents at Goldman Sachs 27th Annual Communacopia Conference, Sep-12-2018 02:55 PM 09/12/18 Other Revised 08/15/18 T-Mobile US, Inc. - Special Call 08/15/18 Earnings Revised 08/01/18 T-Mobile US, Inc., Q2 2018 Earnings Call, Aug 01, 2018 08/01/18 Other Revised 05/15/18 T-Mobile US, Inc. Presents at 46th Annual J.P. Morgan Global Technology, Media and Communications Conference, May-15-2018 10:40 AM 05/15/18 Other Revised 05/14/18 T-Mobile US, Inc. Presents at MoffettNathanson Media & Communications Summit, May-14-2018 09:00 AM 05/14/18 Earnings Revised 05/01/18 T-Mobile US, Inc., Q1 2018 Earnings Call, May 01, 2018 05/01/18 Other Revised 03/20/18 T-Mobile US, Inc. Presents at European and Emerging Telecoms Conference, Mar-20-2018 02:15 PM 03/20/18 Other Revised 03/07/18 T-Mobile US, Inc. Presents at 26th Annual Media, Telecom & Business Services Conference, Mar-07-2018 09:40 AM 03/07/18 Other Revised 02/28/18 T-Mobile US, Inc. Presents at Morgan Stanley Technology, Media & Telecom Conference, Feb-28-2018 08:45 AM 02/28/18 Earnings Revised 02/08/18 T-Mobile US, Inc., Q4 2017 Earnings Call, Feb 08, 2018 02/08/18 Other Revised 01/09/18 T-Mobile US, Inc. Presents at Citi 2018 Global TMT West Conference, Jan-09-2018 11:45 AM 01/09/18

Other Revised 12/06/17 T-Mobile US, Inc. Presents at UBS 45th Annual Global Media and Communications Conference, Dec-06-2017 08:45 AM 12/06/17 Other Revised 11/16/17 T-Mobile US, Inc. Presents at Morgan Stanley European Technology, Media & Telecom Conference, Nov-16-2017 10:40 AM 11/16/17 Earnings Revised 10/22/17 T-Mobile US, Inc., Q3 2017 Pre Recorded Earnings Call, Oct 23, 2017 10/22/17 Other Revised 09/14/17 T-Mobile US, Inc. Presents at Goldman Sachs's 26th Annual Communacopia Conference, Sep-14-2017 11:20 AM 09/14/17 Other Revised 08/09/17 T-Mobile US, Inc. Presents at Oppenheimer 20th Annual Technology, Internet & Communications Conference, Aug-09-2017 09:05 AM 08/09/17 Earnings Revised 07/19/17 T-Mobile US, Inc., Q2 2017 Earnings Call, Jul 19, 2017 07/19/17 Other Revised 06/22/17 T-Mobile US, Inc. Presents at Wells Fargo Securities 2017 5G Forum, Jun-22-2017 11:05 AM 06/22/17 Other Revised 06/08/17 T-Mobile US, Inc. Presents at Barclays High Yield Bond and Syndicated Loan Conference, Jun-08-2017 08:50 AM 06/08/17 Other Revised 05/22/17 T-Mobile US, Inc. Presents at 45th Annual J.P. Morgan Global Technology, Media and Telecom Conference, May-22-2017 10:00 AM 05/22/17 Other Revised 05/18/17 T-Mobile US, Inc. Presents at 4th Annual MoffettNathanson Media & Communications Summit, May-18-2017 10:00 AM 05/18/17 Earnings Revised 04/24/17 T-Mobile US, Inc., Q1 2017 Earnings Call, Apr 24, 2017 04/24/17 Other Revised 03/21/17 T-Mobile US, Inc. Presents at Citi 2017 European & Emerging Markets Telecoms Conference, Mar-21-2017 01:50 PM 03/21/17 Other Revised 03/08/17 T-Mobile US, Inc. Presents at Deutsche Bank 25th Annual Media & Telecom Conference, Mar-08-2017 08:50 AM 03/08/17 Other Revised 02/27/17 T-Mobile US, Inc. Presents at Morgan Stanley 2017 Technology, Media & Telecom Conference, Feb-27-2017 10:30 AM 02/27/17 Earnings Revised 02/14/17 T-Mobile US, Inc., Q4 2016 Earnings Call, Feb 14, 2017 02/14/17 Other Revised 01/05/17 T-Mobile US, Inc. - Special Call 01/05/17 Other Revised 01/04/17 T-Mobile US, Inc. Presents at Citi 2017 Global Internet, Media & Telecommunications Conference, Jan-04-2017 11:45 AM 01/04/17

Other Revised 12/05/16 T-Mobile US, Inc. Presents at UBS 44th Annual Global Media and Communications Conference 2016, Dec-05-2016 09:15 AM 12/05/16 Other Revised 11/17/16 T-Mobile US, Inc. Presents at Morgan Stanley European Technology, Media & Telecom Conference, Nov-17-2016 10:40 AM 11/17/16 Earnings Revised 10/24/16 T-Mobile US, Inc., Q3 2016 Earnings Call, Oct 24, 2016 10/24/16 Other Revised 09/28/16 T-Mobile US, Inc. Presents at Deutsche Bank 24th Annual Leveraged Finance Conference, Sep-28-2016 03:40 PM 09/28/16 Other Revised 09/22/16 T-Mobile US, Inc. Presents at Goldman Sachs Communacopia 2016, Sep-22-2016 10:30 AM 09/22/16 Other Revised 08/18/16 T-Mobile US, Inc. - Special Call 08/18/16 Earnings Revised 07/27/16 T-Mobile US, Inc., Q2 2016 Earnings Call, Jul 27, 2016 07/27/16 Other Revised 05/23/16 T-Mobile US, Inc. Presents at 44th Annual J.P. Morgan Global Technology, Media and Telecom Conference, May-23-2016 10:40 AM 05/23/16 Earnings Revised 04/26/16 T-Mobile US, Inc., Q1 2016 Earnings Call, Apr 26, 2016 04/26/16 Other Revised 03/07/16 T-Mobile US, Inc. Presents at 2016 Deutsche Bank Securities 24th Annual Media, Internet & Telecom Conference, Mar-07-2016 01:15 PM 03/07/16 Other Revised 03/02/16 T-Mobile US, Inc. Presents at Morgan Stanley Technology, Media & Telecom Conference, Mar-02-2016 09:30 AM 03/02/16 Earnings Revised 02/17/16 T-Mobile US, Inc., Q4 2015 Earnings Call, Feb 17, 2016 02/17/16 Other Revised 01/06/16 T-Mobile US, Inc. Presents at Citi Global Internet, Media and Telecommunications Conference, Jan-06-2016 11:00 AM 01/06/16

Other Revised 12/07/15 T-Mobile US, Inc. Presents at UBS 43rd Annual Global Media and Communications Conference 2015, Dec-07-2015 11:30 AM 12/07/15 Other Revised 11/12/15 T-Mobile US, Inc. Presents at Morgan Stanley European Technology, Media & Telecoms Conference, Nov-12-2015 12:20 PM 11/12/15 Earnings Revised 10/27/15 T-Mobile US, Inc., Q3 2015 Earnings Call, Oct 27, 2015 10/27/15 Other Revised 09/30/15 T-Mobile US, Inc. Presents at Deutsche Bank Leveraged Finance Conference 2015, Sep-30-2015 08:40 AM 09/30/15 Other Revised 09/18/15 T-Mobile US, Inc. Presents at Goldman Sachs 24th Annual Communacopia Conference, Sep-18-2015 10:30 AM 09/18/15 Earnings Revised 07/30/15 T-Mobile US, Inc., Q2 2015 Earnings Call, Jul 30, 2015 07/30/15 Other Revised 05/18/15 T-Mobile US, Inc. Presents at 43rd Annual J.P. Morgan Global Technology, Media and Telecom Conference, May-18-2015 09:20 AM 05/18/15 Earnings Revised 04/28/15 T-Mobile US, Inc., Q1 2015 Earnings Call, Apr 28, 2015 04/28/15 Other Revised 03/18/15 T-Mobile US, Inc. - Special Call 03/18/15 Other Revised 03/09/15 T-Mobile US, Inc. Presents at Deutsche Bank 23rd Annual Media, Internet and Telecom Conference, Mar-09-2015 08:35 AM 03/09/15 Other Revised 03/05/15 T-Mobile US, Inc. Presents at Morgan Stanley 2015 Technology, Media & Telecom Conference, Mar-05-2015 08:45 AM 03/05/15 Earnings Revised 02/19/15 T-Mobile US, Inc., Q4 2014 Earnings Call, Feb 19, 2015 02/19/15 Other Revised 01/07/15 T-Mobile US, Inc. Presents at Citi 25th Annual Global Internet, Media and Telecom Conference 2015, Jan-07-2015 09:30 AM 01/07/15

Other Revised 12/10/14 T-Mobile US, Inc. Presents at UBS 42nd Annual Global Media and Communications Conference, Dec-10-2014 10:00 AM 12/10/14 Earnings Revised 10/28/14 T-Mobile US, Inc., Q3 2014 Earnings Call, Oct 28, 2014 10/28/14 Other Revised 09/12/14 T-Mobile US, Inc. Presents at Goldman Sachs 23rd Annual Communacopia Conference, Sep-12-2014 09:40 AM 09/12/14 Earnings Revised 07/31/14 T-Mobile US, Inc., Q2 2014 Earnings Call, Jul 31, 2014 07/31/14 Other Revised 05/19/14 T-Mobile US, Inc. Presents at J.P. Morgan Global Technology, Media & Telecom Conference, May-19-2014 09:00 AM 05/19/14 Earnings Revised 05/01/14 T-Mobile US, Inc., Q1 2014 Earnings Call, May 01, 2014 05/01/14 Other Revised 03/10/14 T-Mobile US, Inc. Presents at Deutsche Bank 22nd Annual Media, Internet and Telecom Conference, Mar-10-2014 11:40 AM 03/10/14 Other Revised 03/05/14 T-Mobile US, Inc. Presents at Morgan Stanley Technology, Media and Telecom Conference, Mar-05-2014 01:55 PM 03/05/14 Earnings Revised 02/25/14 T-Mobile US, Inc., Q4 2013 Earnings Call, Feb 25, 2014 02/25/14 Other Revised 01/07/14 T-Mobile US, Inc. Presents at Citi 2014 Global Internet, Media & Telecommunications Conference, Jan-07-2014 03:00 PM 01/07/14 Other Revised 01/06/14 T-Mobile US, Inc. - Special Call 01/06/14

Other Revised 12/11/13 T-Mobile US, Inc. Presents at UBS 41st Annual Global Media & Communication Conference, Dec-11-2013 09:00 AM 12/11/13 Earnings Revised 11/05/13 T-Mobile US, Inc., Q3 2013 Earnings Call, Nov 05, 2013 11/05/13 Other Revised 09/25/13 T-Mobile US, Inc. Presents at Goldman Sachs 22nd Annual Communacopia Conference, Sep-25-2013 08:50 AM 09/25/13 Earnings Revised 08/08/13 T-Mobile US, Inc., Q2 2013 Earnings Call, Aug 08, 2013 08/08/13 Other Revised 05/15/13 T-Mobile USA Inc. Presents at JPMorgan Chase & Co.'s 41st Annual Global Technology, Media and Telecom Conference, May-15-2013 09:20 AM 05/15/13