X0306 4 2019-08-16 0 0001560258 electroCore, Inc. ECOR 0001737633 Errico Thomas J. 150 ALLEN ROAD, SUITE 201 BASKING RIDGE NJ 07920 1 0 0 0 Common Stock 2019-08-16 4 P 0 18974 1.62 A 883237 D Common Stock 19454 I Via Thomas J Errico 2010 Family Trust Common Stock 79785 I Via 2010 Core Investment Partners, LLC Common Stock 104956 I Via Core Ventures 2010, LLC Common Stock 13076 I Via WaveCore LLC Common Stock 38292 I Via ECNG, LLC The price reported in Column 4 is an average price. These shares were acquired in multiple transactions at prices ranging from $1.50 to $1.75 per share. The Reporting Person undertakes to provide to electroCore, Inc., any security holder of electroCore, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price on the Transaction Date. Includes 379,612 shares indirectly beneficially owned by the Reporting Person through entities for which the Reporting Person serves as a manager (the "Entities") that were distributed by the Entities to the Reporting Person. /s/ John L. Cleary, II, attorney-in-fact 2019-08-20