On June 21, 2018, the Company completed the Corporate Conversion. Pursuant to the certificate of incorporation effected in connection with the Corporate Conversion, the Company’s authorized capital stock consists of 500 million shares of common stock, par value $0.001 per share and 10 million shares of preferred stock, par value $0.001 per share. As a result of this conversion and related initial public offering, 29,450,034 shares of common stock and zero shares of preferred stock were issued. On June 22, 2018, the common stock began trading on the Nasdaq Global Market and on June 25, 2018 began trading on the Nasdaq Global Select Market under the symbol “ECOR”. Prior to the Corporate Conversion of the Company, the Operating Agreement permitted the issuance of four classes of Units - Series A Preferred Units, Series B Preferred Units, Series B-1 Preferred Units and Common Units. Except as otherwise provided in the Operating Agreement, each member was entitled to one vote for each Unit held and the Units of all classes and series voted together as a single class on all matters (on an as converted to Common Unit basis).

Upon the Corporate Conversion, all Units were converted into an aggregate of 23,470,034 shares of common stock and options to purchase 2,141,748 shares of common stock as follows:

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holders of common units, or Common Units, other than Common Units that were originally issued as “profits interests” (as such term is used for purposes of the Internal Revenue Code), or Profits Interests, received an aggregate of 12,099,280 shares of common stock;

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holders of Series A Preferred Units received an aggregate of 4,181,856 shares of common stock, which included 241,939 shares of common stock as payment in full of the approximately $3.6 million accrued and unpaid preferred return that was payable in respect of the Series A Preferred Units;

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holders of Series B Preferred Units received an aggregate of 5,843,668 shares of common stock;

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holders of Profits Interests received an aggregate of 1,345,231 shares of common stock; and

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holders of Profits Interests who were employees or consultants at the time of the corporate conversion received options to purchase an aggregate of 2,141,748 shares of common stock, with an exercise price of $15.00 which was equal to the initial public offering price.

Additionally, upon the conversion, the accumulated deficit of Electrocore LLC, subsidiaries and affiliates was reclassed to additional paid in capital in accordance with SEC SAB Topic 4B.

The Series A Preferred Units were entitled to a preference on distributions, ahead of the Common Units but behind Series B Preferred Units, in the amount of $54,923,430 plus the Series A Preferred Return (as described below), as of June 20, 2018.

The Series A Preferred Units were entitled to a return in an annual non-compounded amount with respect to each outstanding Series A Preferred Unit equal to the product of the Series A Preferred Return Percentage and the Series A Unreturned Capital Value for each Unit, which accrued to the extent not paid. The Series A Preferred Return Percentage was 4% and could be reduced to 2% if certain requirements were met as outlined in the amended and restated Operating Agreement. Upon an IPO, the payment of the Series A Preferred Return was at the sole discretion of the Board of Managers. As of June 20, 2018, the Series A Preferred Return payable, following the 2017 amendments to the Operating Agreement, upon a public offering of the Company’s common stock was fixed at $3,629,092. This amount was paid with the issuance of 241,939 shares of common stock upon the IPO.

The Series A Preferred Units were converted into common stock mandatorily immediately prior to the initial public offering as outlined in the amended and restated Operating Agreement, and then subject to a 1:18 stock conversion.

As of December 31, 2018, there were no outstanding warrants to purchase Series A Preferred Units, except for warrants to purchase in the aggregate 221,766 Series A Preferred Units issued in connection with the December 2015 term loan (which was repaid and/or converted into equity in 2016) and as compensation to one of the financial advisors. In connection with the IPO, these outstanding Series A warrants by their terms converted into warrants to purchase in the aggregate 12,321 shares of common stock at an exercise price of $15.30 per share.

In 2017, the Company entered into a Series B Preferred Unit Purchase Agreement with multiple investors, including Core Ventures II, LLC and Merck Global Health Innovation Fund. Under the terms of the Purchase Agreement, as amended, through December 31, 2017, the Company received cash proceeds of $46,911,300 and converted $26,718,910 of outstanding promissory notes (the “Bridge Notes”) and related accrued and unpaid interest for an aggregate amount of $73,630,210 (inclusive of amounts mentioned in Note 15 related to conversion of Bridge Notes and related accrued and unpaid interest) through the sale of Series B Preferred Units at an initial closing and several additional closings.

Each Series B Preferred Unit was converted into one Common Unit mandatorily upon the occurrence of the Corporate Conversion as outlined in the amended and restated Operating Agreement, and then subject to an 1:18 stock conversion pursuant to the terms of the plan of conversion for the Corporate Conversion. In connection with all Series B Preferred Unit closings, the Company issued warrants for the purchase of 35,452,084 Common Units at an exercise price of $1.25 per Unit, which expired unexercised upon the closing of the IPO. The Company also issued warrants to advisors for the purchase of 2,724,549 common units at an exercise price of $0.70 per Unit. The Company also issued 72,000 warrants to purchase common units with an exercise price of $1.25 per Unit, which expired upon the closing of the IPO. The fair value of these warrants to purchase common units were recorded within additional-paid-in-capital. In connection with the Corporate Conversion, the 2,724,549 warrants issued to advisors were converted to warrants to purchase 151,364 shares of common stock at an exercise price of $12.60 per share of common stock.

As of June 21, 2018, the Series B warrants that were issued to purchasers of the Bridge Notes were converted to (i) warrants to purchase 429,948 shares of common stock at an exercise price of $12.60 per share (see Note 15) and (ii) the Series B Preferred warrants that were issued to financial advisors were converted into warrants to purchase 101,119 shares of common stock at an exercise price of $12.60 per share.