Common use of Option Exercise Fee Clause in Contracts

Option Exercise Fee. Upon exercise of the Option for a Research Project Target pursuant to Section 4.1.2, Pfizer shall pay to CytomX the “Option Exercise Fee” for such Research Project Target, as set forth in the table below. Research Project Target Option Exercise Fee EGFR $[***] Second Target or Replacement Target $[***] Each Additional Target $[***]

Option Exercise Fee. Upon exercise of the Option for a Research Project Target pursuant to Section 4.1.2, Pfizer shall pay to CytomX the “Option Exercise Fee” for such Research Project Target, as set forth in the table below. Research Project Target Option Exercise Fee EGFR $$ [***] Second Target or Replacement Target $$ [***] Each Additional Target $$ [***]

Option Exercise Fee. Upon exercise of the Option for a Research Project Target pursuant to Section 4.1.2, Pfizer shall pay to CytomX the “Option Exercise Fee” for such Research Project Target, as set forth in the table below. Research Project Target Option Exercise Fee EGFR $[$ [ ***] Second Target or Replacement Target $[$ [ ***] Each Additional Target $[$ [ ***]

Option Exercise Fee. Upon exercise of the Option for a Research Project Target pursuant to Section 4.1.2, Pfizer shall pay to CytomX the “Option Exercise Fee” for such Research Project Target, as set forth in the table below. Research Project Target Option Exercise Fee EGFR $$ [**** ] Second Target or Replacement Target $$ [**** ] Each Additional Target $$ [**** ]

Option Exercise Fee. Upon exercise of the Option for a Research Project Target pursuant to Section 4.1.2, Pfizer shall pay to CytomX the “Option Exercise Fee” for such Research Project Target, as set forth in the table below. Research Project Target Option Exercise Fee EGFR $[***] $ [***] Second Target or Replacement Target $[***] $ [***] Each Additional Target $$ [***]