CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER
Pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, the undersigned officer of Spectrum
Pharmaceuticals, Inc. (the Company), hereby certifies, to such officers knowledge, that:
(i) the accompanying Annual
Report on Form 10-K of the Company for the year ended December 31, 2014 (the Report) fully complies with the requirements of Section 13(a) or Section 15(d), as applicable, of the Securities Exchange Act of 1934, as
(ii) the information contained in the Report fairly presents, in all material respects, the financial condition and results
of operations of the Company.
Dated: March 13, 2015
|/s/ RAJESH C. SHROTRIYA|
Rajesh C. Shrotriya, M.D.
Chairman of the Board, Chief Executive Officer
This certification accompanies this Report pursuant to Rule 13a-14(b) or Rule 15d-14(b) under the
Securities Exchange Act of 1934, as amended, and 18 U.S.C. Section 1350 and shall not be deemed filed by the Company for purposes of Section 18 of the Securities Exchange Act of 1934, as amended.