POWER OF ATTORNEY
AUTHORIZATION

I hereby authorize Thomas J. Riga, Jason Patel and Keith M. McGahan,
acting singly, to sign and file on my behalf any and all forms required by the
Securities and Exchange Commission pursuant to Section 16 of the Securities
Exchange Act of 1934 (the "Exchange Act") relating to the reporting of
beneficial ownership of equity securities of Spectrum Pharmaceuticals, Inc.,
a Delaware corporation (the "Company"), and of changes in such beneficial
ownership, together with any and all amendments thereto.  This authorization
shall be effective on and after the date set forth below and shall continue
in effect until I am no longer required to file such forms, unless earlier
revoked by me in writing.

I acknowledge that the persons authorized hereunder are not assuming,
nor is the Company assuming, any of my responsibilities to comply with
Section 16 of the Exchange Act.

Dated as of this 17th day of March 2022.

/s/ Juhyun Lim