X0306 4 2017-03-24 0 0001024657 WEST CORP WSTC 0001185541 BERGER NANCEE R WEST CORPORATION 11808 MIRACLE HILLS DRIVE OMAHA NE 68154 0 1 0 0 President and COO Restricted Stock Units 2017-03-24 4 A 0 18540 0.00 A Common Stock 18540 140032.673 D Performance-based Restricted Stock Units 2017-03-24 4 A 0 27810 0.00 A Common Stock 27810 57810 D Each restricted stock unit represents a contingent right to receive one share of West common stock. The restricted stock units vest in four equal annual installments on March 1, 2018, March 1, 2019, March 1, 2020 and March 1, 2021, respectively. Except to the extent deferred, vested shares will be delivered to the reporting person on the applicable vesting date. Performance-based restricted stock units granted under the terms of the West Corporation 2013 Amended and Restated Long-Term Incentive Plan. Each restricted stock unit represents a contingent right to receive between zero and 1.75 shares of West common stock. Under the terms of the restricted stock unit grant, the restricted stock unit is subject to vesting based on the specified performance measure (total shareholder return) during the 3-year period beginning on March 1, 2017 and ending on February 29, 2020. Except to the extent deferred, shares of West common stock will be delivered to the reporting person following the vesting date based on the specified performance measure. /s/ Nancee R. Berger (signed by Deneen Shadewald as Power of Attorney for Reporting Person) 2017-03-28