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RON WYDEN a ee United States Senate ASA semi nay si =ifon.0¢ atsies0s vote January 17, 2019 Tohn Legere Chicl Exccutive Olficer ‘T-Mobile US, Ine. 12920 Southeast 38th Street Bellevie, WA 98006 ear Mr. Legere: Towle you toduy to express my Uisheliet andl disappointment regarding T-Mobile's continued partnership with companies that have enabled spying on Americans willout their knossledge or consent, Your company's continued sale of customer loction data to these so-called “location aggregators” is in direct contadietion of your “personal evaluation” ofthe issue six months ago. In May 2018, | wrote to yon and the CFOs of the other major wireless cactiers, ro raise serious concerns abont your sale of Americans’ location data, In June, 2018, yuu tweeted ‘a me, stating that “I've personally evaluated this issue & have pledged that umobile not sall customer location data to shady middlemen.” | was therefore shocked to read a follow-up investigation by Matherbaurd last week, revealing that another bail bond company was selling location data, including data on T- ‘Mobile's customers. Took your May 2018 tect al Lace value. J assumed thac you were taking personal leet in this mater and Ghat you would take swift aetion to stop the sale of Iocation data {o shudy middlemen, However, in spite of your public promise, your company did not in {acc ake swilt action, Instead, your company now claims that it plans to sop selling location daa to aggregators in March ofthis year. nine monihs alcr your original tweet [Mobile calls itself the “LIncarrier.” To that end. T urge you lo immediately “unvarry the ability of stalkers and middlemen to purchase your customers’ location information, Please alzo provide me with answers to the following questions by Kebruary 15, 2019: 1. Th your June 2018 tsvcet. you stated that you “persomully evaluated this issue.” Please descrihe this evaluation in detail, including whut steps. if any, you took to remain briefed on the issue in the months thul followed, 2 ‘Aller your June 2018 oye did T-Mobile conduct audits of the location aggregators and the downstream buyers of location data? TIyes, please describe the scope and results of these audits and provide me with copies of any audit reports, IP na, please explain why not Prior ta January 8, 2019, what steps, iPany, did T-Mobile take to verily that downstream buyers of location data did in-fact have the consent of Ihe relevant T= ‘Mobile customer hefore T-Mobile disclosed that individusl’s lovation dats? Sincerely, ited States Senator