Sesen Bio, Inc. (SESN) Q3 2019 Earnings Conference Call November 12, 2019 8:00 AM ET Company Participants Chad Myskiw - Senior Director, Strategic Planning Thomas Cannell - President & CEO Monica Forbes - CFO Conference Call Participants John Newman - Canaccord Roger Song - Jefferies Operator Ladies and gentlemen, thank you for standing by, and welcome to the Sesen Bio 3Q 2019 Business Update Conference. At this time, all participants are in a listen-only mode. After the speaker presentation, there will be ...

| --- | --- | --- | --- | --- | |-------------------------------------------------------------|-------|-------|-------|-------------| | | | | | | | | | | | | | | | | | | | H.C. Wainwright 21st Annual Global Investment Conference | | | | | | Thomas Cannell DVM, President and CEO September 10, 2019 | | | | NASDAQ SESN | FORWARD-LOOKING STATEMENTS This presentation contains forward-looking statements that involve substantial risks and uncertainties. All statements, other than statements of historical facts, co ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2019 OR o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to | --- | --- | |----------------------------------------------------------------------------|------------------------------------------| | ...

seser b i o June 2019 Regulatory Update June 10, 2019 NASDAQ SESN FORWARD-LOOKING STATEMENTS This presentation contains forward-looking statements that involve substantial risks and uncertainties. All statements, other than statements of historical facts, contained in this presentation, including statements regarding our strategy, future operations, clinical development of our protein therapies, timing or probability of regulatory approval, future financial position, future revenues, projected costs, prospe ...

Sesen Bio, Inc. (SESN) Q1 2019 Results Earnings Conference Call May 13, 2019 8:00 AM ET Company Participants Erin Clark - Executive Director, Strategic Planning & Investor Relations Thomas Cannell - President and Chief Executive Officer Dennis Kim - Chief Medical Officer Richard Fitzgerald - Chief Financial Officer Chad Myskiw - Strategic Planning & CMC. Conference Call Participants John Newman - Canaccord Yale Jen - Laidlaw & Company Chris Howerton - Jefferies Swayampakula Ramakanth - H.C. Wainwright Opera ...

seser b i o 1Q 2019 Business Update NASDAQ SESN May 13, 2019 FORWARD-LOOKING STATEMENTS This presentation contains forward-looking statements that involve substantial risks and uncertainties. All statements, other than statements of historical facts, contained in this presentation, including statements regarding our strategy, future operations, clinical development of our protein therapies, future financial position, future revenues, projected costs, prospects, plans and objectives of management, are forwar ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2019 OR o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to | --- | --- | |----------------------------------------------------------------------------|------------------------------------------| | ...

Sesen Bio, Inc. (NASDAQ:SESN) Q4 2018 Earnings Conference Call March 4, 2019 8:00 AM ET Company Participants Erin Clark - Executive Director, Strategic Planning & Investor Relations Thomas Cannell - President and Chief Executive Officer Dennis Kim - Chief Medical Officer Richard Fitzgerald - Chief Financial Officer Chad Myskiw - Head of Global CMC Project Management. Conference Call Participants John Newman - Canaccord Genuity Yale Jen - Laidlaw Capital Markets Swayampakula Ramakanth - H.C. Wainwright Chris ...

| --- | --- | --- | --- | --- | --- | --- | --- | |-----------------|-------|-------|-------|-------|-------|-------|-------------| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Business Update | | | | | | | | | | | | | | | | | | March 4, 2019 | | | | | | | NASDAQ SESN | FORWARD-LOOKING STATEMENTS This presentation contains forward-looking statements that involve substantial risks and uncertainties. All statements, other than statements of historical facts, cont ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2018 OR o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to | --- | --- | |----------------------------------------------------------------------------|------------------------------------------| | Comm ...