AGREEMENT TO BE BOUNDInvestor Agreement • January 16th, 2001 • Tdsi Corp • Radiotelephone communications • Delaware
The undersigned, TDSI Corporation, being the transferee from Telephone and Data Systems, Inc. ("TDS") of 35,570,493 shares of the common stock, par value $.001 per share, of VoiceStream Wireless Corporation, a Delaware corporation (the "Company"), as a condition to the receipt of such shares, acknowledges that matters pertaining to the ownership of such shares is governed by the Investor Agreement dated as of May 4, 2000, between the Company and TDS (the "Agreement"), and hereby (1) acknowledges receipt of a copy of the Agreement, and (2) agrees to be bound, to the same extent as TDS has heretofore been bound, by the terms of the Agreement, as the same has been or may be amended from time to time.
