13G Filing: Park West Asset Management and Invitae Corp (NVTA)

1400 16^th Street
San
Francisco, California 94103

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 2,257,432
shares of common stock, $0.0001 par value per share ( “Common Stock”), of the Company 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 273,461 shares of Common Stock; and (ii) Peter S. Park, as the sole member and manager of PWAM (“Mr.
Park” and, collectively with PWAM, the “Reporting Persons”).

The 2,530,893 shares
of Common Stock of the Company held in the aggregate by the PW Funds, which constitute approximately 5.0% of the shares of Common
Stock of the Company deemed to be issued and outstanding as of the date hereof, may be deemed to be beneficially owned (x) indirectly
by PWAM, as the investment manager to the PW Funds, and (y) indirectly by Mr. Park, as the managing member 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.