X0306 4 2017-10-10 1 0001024657 WEST CORP WSTC 0001665409 Beaumont Ronald R. WEST CORPORATION 11808 MIRACLE HILLS DRIVE OMAHA NE 68154 0 1 0 0 President Telecom/Safety Svcs Common Stock 2017-10-10 4 D 0 66348 23.50 D 0 D Stock Option (Right to Buy) 25.52 2017-10-10 4 D 0 14062 D 2022-03-30 Common Stock 14062 0 D Stock Option (Right to Buy) 33.52 2017-10-10 4 D 0 4687 D 2022-03-30 Common Stock 4687 0 D Stock Option (Right to Buy) 22.06 2017-10-10 4 D 0 10000 D 2023-07-30 Common Stock 10000 0 D Stock Option (Right to Buy) 22.18 2017-10-10 4 D 0 10000 D 2023-10-01 Common Stock 10000 0 D Stock Option (Right to Buy) 25.28 2017-10-10 4 D 0 10000 D 2024-01-02 Common Stock 10000 0 D Stock Option (Right to Buy) 24.15 2017-10-10 4 D 0 10000 D 2024-04-01 Common Stock 10000 0 D Performance-based Restricted Stock Units 2017-10-10 4 D 0 43920 D Common Stock 43920 0 D Represents shares of common stock that were cancelled and converted into the right to receive $23.50 per share pursuant to the merger agreement among the Issuer, Mount Olympus Holdings, Inc. and Olympus Merger Sub, Inc., dated as of May 9, 2017 (the "Merger Agreement"). The right to receive the merger consideration with respect to 34,280 of the shares remains subject to certain vesting conditions. Pursuant to the Merger Agreement, this option was cancelled as of October 10, 2017 in exchange for no consideration. Pursuant to the Merger Agreement, this option was cancelled as of October 10, 2017 and converted into the right to receive an amount of cash equal to the product of (i) the number of shares issuable upon exercise of the option multiplied by (ii) the excess of $23.50 over the exercise price. Pursuant to the Merger Agreement, and subject to the terms of the applicable award agreement, each performance-based restricted stock unit was converted into the right to receive $23.50 per unit, subject to certain vesting conditions. /s/ Ronald R. Beaumont (signed by Deneen Shadewald as Power of Attorney for Reporting Person) 2017-10-12