By Regeneron. Regeneron agrees to defend CytomX, its Affiliates and their respective directors, officers, employees and agents (the “CytomX Indemnified Parties”), at Regeneron’s cost and expense, and will indemnify and hold CytomX and the other CytomX Indemnified Parties harmless from and against any Losses in connection with any Third Party Claims to the extent arising out of or resulting from ​; except, in each of [(a) through (c)], to the extent such Losses result from any of [clauses (a) through (c) of Section 10.1.1] above.

By CytomX. CytomX agrees to defend Regeneron, its Affiliates, and each of their respective directors, officers, employees and agents (the “Regeneron Indemnified Parties”), at CytomX’s cost and expense, and will indemnify and hold Regeneron and the other Regeneron Indemnified Parties harmless from and against any claims, losses, costs, damages, fees or expenses (including reasonable legal fees and expenses) (collectively, “Losses”) in connection with any claims, actions, demands, suits or proceedings brought by a Third Party (including product liability claims) (a “Third Party Claim”) to the extent arising out of or resulting from ​; except, in each of [(a) through (c)], to the extent such Losses result from any of [clauses (a) through (c) of Section 10.1.2] below.