exhibit 4. 10 execution version agreement between noteholders dated as of january 30, 2020 by and between dbr investments co. limited ( initial note a - 1 - 1 holder ), dbr investments co. limited ( initial note a - 1 - 2 - a holder ), dbr investments co. limited ( initial note a - 1 - 2 - b holder ), dbr investments co. limited ( initial note a - 1 - 3 holder ), dbr investments co. limited ( initial note a - 1 - 4 holder ), bank of america, n. a. ( initial note a - 2 - a holder ) and bank of america, n. a. ( initial note a - 2 - b holder ) 560 mission street this agreement between noteholders ( “ agreement ” ), dated as of january 30, 2020, is made by and between dbr investments co. limited ( “ dbri ” and, together with its successors and assigns in interest, in its capacity as initial owner of note a - 1 - 1, the “ initial note a - 1 - 1 holder ”, and in its capacity as the initial agent, the “ initial agent ” ), dbr investments co. limited ( and, together with its successors and assigns in interest, in its capacity as initial owner of note a - 1 - 2 - a, the “ initial note a - 1 - 2 - a holder ” ), dbr investments co. limited ( and, together with its successors and assigns in interest, in its capacity as initial owner of note a - 1 - 2 - b, the “ initial note a - 1 - 2 - b holder ” ), dbr investments co. limited ( and, together with its successors and assigns in interest, in its capacity as initial owner of note a - 1 - 3, the “ initial note a - 1 - 3 holder ” ), dbr investments co. limited ( and, together with its successors and assigns in interest, in its capacity as initial owner of note a - 1 - 4, the “ initial note a - 1 - 4 holder ” ), bank of america, n. a. ( “ boa ” and, together with its successors and assigns in interest, in its capacity as initial owner of note a - 2 - a, in its capacity as initial owner of note a - 2 - a ( the “ initial note a - 2 - a holder ” ), and bank of america, n. a