13G Filing: Park West Asset Management and Eagle Pharmaceuticals Inc. (EGRX)

1880 Embarcadero Road

Palo Alto, CA 94303

This report on Schedule 13G (this “Schedule 13G”), is being jointly filed by (i) Park West Asset
Management LLC (“PWAM”), a Delaware limited liability company and the investment manager to (a) Park West Investors
Master Fund, Limited (“PWIMF”), a Cayman Islands exempted company that is the holder of 697,739 shares of common stock,
$0.001 par value per share (“Common Stock”), of the Company reported on this Schedule 13G, and (b) Park West Partners
International, Limited (“PWPI” and, collectively with PWIMF, the “PW Funds”), a Cayman Islands exempted
company that is the holder of 88,681 shares of Common Stock reported on this Schedule 13G; and (ii) Peter S. Park, as the sole
member and manager of PWAM (“Mr. Park” and, collectively with PWAM, the “Reporting Persons”).

The 786,420 shares of Common Stock held in the aggregate by the PW Funds, which constitute approximately 5.2%
of the shares of Common Stock deemed to be outstanding as of August 14, 2017, may be deemed to be beneficially owned (x) indirectly
by PWAM, as the investment adviser to PWIMF and PWPI, and (y) indirectly by Mr. Park, as the sole member and manager of PWAM.

The address for the Reporting Persons is: 900 Larkspur Landing Circle, Suite 165, Larkspur, California 94939.

PWAM is organized under the laws of the State of Delaware. Mr. Park is a citizen of the United States.