13G Filing: Highbridge Capital Management and Egalet Corp (EGLT)

If filing as a non-U.S. institution in accordance with Rule 13d-1(b)(1)(ii)(J),
please

specify the type of institution: __________________________________________

(a)       Amount
beneficially owned:

As of the date hereof, (i) Highbridge International
LLC may be deemed to beneficially own 4,120,800 shares of Common Stock and (ii) Highbridge Capital Management, LLC, as the trading
manager of Highbridge International LLC, may be deemed to be the beneficial owner of 4,120,800 shares of Common Stock held by Highbridge
International LLC.

(b)       Percent
of class:

The percentages used herein and in the rest
of this Schedule 13G are calculated based upon 43,002,650 shares of Common Stock reported to be outstanding in the Company’s Prospectus
filed with the Securities and Exchange Commission pursuant to Rule 424(b)(5) on July 7, 2017 after giving effect to the completion
of the offering, as described therein. Therefore, as of the date hereof based on the outstanding shares of Common Stock, (i) Highbridge
International LLC may be deemed to beneficially own approximately 9.58% of the outstanding shares of Common Stock of the Company
and (ii) Highbridge Capital Management, LLC may be deemed to beneficially own approximately 9.58% of the outstanding shares of
Common Stock of the Company.

The foregoing should not be construed in and of itself as an admission
by any Reporting Person as to beneficial ownership of the shares of Common Stock held by Highbridge International LLC.