111234567812345678123456781234567812345678123456781234567812345678NAMETHE COMPANY NAME INC.COMMON 123,456,789,012.12345THE COMPANY
NAME INC.CLASS A 123,456,789,012.12345THE COMPANY NAME INC.CLASS B 123,456,789,012.12345THE COMPANY NAME INC.CLASS C 123,456,789,012.12345THE COMPANY NAME INC.CLASS D 123,456,789,012.12345THE COMPANY NAME INC.CLASS E
123,456,789,012.12345THE COMPANY NAME INC.CLASS F 123,456,789,012.12345THE COMPANY NAME INC.401 K 123,456,789,012.12345âx02 0000000000JOB #1 OF 21 OF 2 PAGESHARESCUSIP #SEQUENCE #THIS PROXY CARD IS VALID ONLY WHEN
SIGNED AND DATED.KEEP THIS PORTION FOR YOUR RECORDSDETACH AND RETURN THIS PORTION ONLYTO VOTE, MARK BLOCKS BELOW IN BLUE OR BLACK INK AS FOLLOWS:Signature [PLEASE SIGN WITHIN BOX] Date Signature (Joint Owners) DateCONTROL #SHARESTo withhold
authority to vote for anyindividual nominee(s), mark For AllExcept and write the number(s) of thenominee(s) on the line below.0 0 00 0 00 0 00 0 00 0 00000466759_1 R1.0.1.18For Withhold For AllAll All ExceptThe Board of Directors
recommends you vote FORthe following:1. Election of directors until either the 2022Annual Meeting or 2023 Annual Meeting dependingon whether or not the DeclassificationAmendments are approved.Nominees01 Joseph P. Errico 02 Trevor J. Moody 03 Thomas
M. PattonelectroCore, Inc.C/O Broadridge Corporate Issuer Solutions, Inc.P.O. Box 1342Brentwood, NY 11717Investor Address Line 1Investor Address Line 2Investor Address Line 3Investor Address Line 4Investor Address Line 5John Sample1234 ANYWHERE
STREETANY CITY, ON A1A 1A1Investor Address Line 1Investor Address Line 2Investor Address Line 3Investor Address Line 4Investor Address Line 5John Sample1234 ANYWHERE STREETANY CITY, ON A1A 1A1VOTE BY INTERNETwww.proxyvote.comUse the Internet
to transmit your voting instructions and for electronic delivery ofinformation. Vote by 11:59 P.M. ET on 6/11/2020. Have your proxy card in hand whenyou access the web site and follow the instructions to obtain your records and to createan
electronic voting instruction form.VOTE BY INTERNET DURING THE MEETING -www.virtualshareholdermeeting.com/ECOR2020Use the Internet to access the virtual annual meeting. Have the
16-digit control numberincluded on your proxy card or on the instructions that accompanied your proxy materials.VOTE BY PHONE1-800-690-6903Use any touch-tone telephone to transmit your voting instructions. Vote by 11:59 P.M. ETon 6/11/2020. Have your proxy card in hand when you call and then follow
theinstructions.VOTE BY MAILMark, sign and date your proxy card and return it in the postage-paid envelope we haveprovided or return it to Vote Processing, c/o Broadridge, 51 Mercedes Way, Edgewood,NY 11717.The Board of Directors recommends you vote
FORproposals 2, 3, 4 and 5: For Against Abstain2 Approval of the Declassification Amendments.3 Ratification of appointment of KPMG LLP as theCompanys independent registered publicaccounting firm for the fiscal year endingDecember 31, 2020.4
Authorization of the Board, in its solediscretion, to file amendments to the CompanysCertificate of Incorporation to effect theReverse Split Proposal.5 Authorization, pursuant to Nasdaq Listing Rule5635(d), of the issuance of more than 19.99%
ofthe Companys issued and outstanding shares ofCommon Stock, pursuant to the Lincoln ParkPurchase Agreement.NOTE: Such other business as may properly comebefore the meeting or any adjournment thereof.Please sign exactly as your name(s)
appear(s) hereon. When signing asattorney, executor, administrator, or other fiduciary, please give fulltitle as such. Joint owners should each sign personally. All holders mustsign. If a corporation or partnership, please sign in full corporate
orpartnership name, by authorized officer. Authorization