X0306 4 2017-01-06 1 0001056923 DATALINK CORP DTLK 0001184336 BARNUM GREGORY T 10050 CROSSTOWN CIRCLE SUITE 500 EDEN PRAIRIE MN 55344 0 1 0 0 CFO Common Stock 2017-01-06 4 D 0 99377 11.25 D 0 D Stock Option (Right to Buy) 6.83 2017-01-06 4 D 0 71151 4.42 D 2026-02-26 Common Stock 71151 0 D Performance Share Units (PSUs) 2017-01-06 4 D 0 26430 11.25 D Common Stock 26430 0 D Price reflects per share consideration paid pursuant to the Agreement and Plan of Merger (the "Merger Agreement"), dated as of November 6, 2016, by and among Datalink Corporation, Insight Enterprises Inc., and Reef Acquisition Co. These stock options were granted on February 26, 2016 and provided for vesting as follows: 50% vest on the first anniversary of the grant date, 25% vest on the second anniversary of the grant date, and 25% vest on the third anniversary of the grant date. Each stock option was canceled pursuant to the terms of the Merger Agreement in exchange for a cash payment of $11.25 (the per share consideration under the Merger Agreement) less the per share exercise price. Each PSU represents a contingent right to receive one share of common stock. These PSUs were granted on February 26, 2016 and provided for vesting as follows: 1/3 vest February 26, 2019 if the company's stock achieves a market price of $9.00/share for 20 consecutive trading days before that date; 1/3 vest February 26, 2020 if the company's stock achieves a market price of $11.00/share for 20 consecutive trading days before that date; 1/3 vest February 26, 2021 if the company's stock achieves a market price of $13.00/share for 20 consecutive trading days before that date. Each PSU was canceled pursuant to the terms of the Merger Agreement in exchange for a cash payment of $11.25 (the per share consideration under the Merger Agreement). Gregory T. Barnum 2017-01-06