Exhibit 10.70

Executive Officer Compensation Information

The following table sets forth the annual base salary rates for 2017 and 2018 for the executive officers of Seattle Genetics, Inc. (the “Company”), in each case based on full-time employment status. The table below also sets forth the bonuses awarded to the Company’s executive officers for the 2017 fiscal year under the Company’s 2017 Senior Executive Annual Bonus Plan. The 2018 target bonuses (based on a percentage of annual base pay as of December 31, 2017) for the Company’s executive officers under the Company’s Senior Executive Annual Bonus Plan are also set forth in the table below.

Name and Title	2017 Annual Base Salary Rate		2017 Bonus		2018 Annual Base Salary Rate		2018 Target Bonus Percentage
Clay B. Siegall, Ph.D.	$	890,000	$	934,500	$	921,150		100%
President & Chief Executive Officer
Todd E. Simpson	$	493,600	$	264,076	$	510,900		50%
Chief Financial Officer
Eric Dobmeier*	$	555,706	$	N/A	$	N/A		N/A
Chief Operating Officer
Jonathan Drachman	$	531,450	$	268,382	$	547,400		50%
Chief Medical Officer and Executive Vice President, Research and Development
Vaughn Himes	$	478,400	$	260,728	$	507,500		50%
Chief Technical Officer
Darren Cline	$	454,300	$	222,834	$	482,500		45%
Executive Vice President, Commercial
Jean Liu
General Counsel and Executive Vice President, Legal Affairs	$	463,500	$	223,175	$	479,700		45%

* Mr. Dobmeier resigned from the company effective December 14, 2017.

Director Compensation Information

The following table sets forth the compensation components for non-employee members of the Company’s Board of Directors for 2017 and 2018, including equity awards.

Compensation Element	2017		2018
General Board Service – Cash Retainer	$	50,000	$	50,000
General Board Service – Equity
Initial Grant – Number of Options		14,250		14,250
Initial Grant – Number of Restricted Stock Units		5,750		5,750
Annual Grant – Number of Shares		9,260		9,260
Annual Grant – Number of Restricted Stock Units		3,700		3,700
Chair Service – Annual Retainer
Lead Director	$	25,000	$	25,000
Audit	$	20,000	$	20,000
Compensation	$	15,000	$	15,000
Nominating & Governance	$	10,000	$	10,000
Committee Member Service – Annual Retainer
Audit	$	10,000	$	10,000
Compensation	$	8,000	$	8,000
Nominating & Governance	$	5,000	$	5,000