respect to the Convertible Senior Notes due 2024, (viii) the
additional letter agreement, dated June 13, 2019, between the
Company and Goldman Sachs & Co. LLC, with respect to the
Convertible Senior Notes due 2024, (ix) the letter agreement
confirmation, dated June 11, 2019, between the Company and
Morgan Stanley & Co. LLC, with respect to the Convertible
Senior Notes due 2024, (x) the letter agreement, dated
June 11, 2019, between the Company and Morgan
Stanley & Co. LLC, with respect to the Convertible Senior
Notes due 2024, (xi) the additional letter agreement confirmation,
dated June 13, 2019, between the Company and Morgan
Stanley & Co. LLC, with respect to the Convertible Senior
Notes due 2024, and (xii) the additional letter agreement,
dated June 13, 2019, between the Company and Morgan
Stanley & Co. LLC, with respect to the Convertible Senior
Notes due 2024, and (b)(i) the letter agreement confirmation, dated
December 14, 2020, between the Company and Barclays Bank PLC,
through its agent Barclays Capital Inc., with respect to the
Convertible Senior Notes due 2026, (ii) the letter agreement, dated
December 14, 2020, between the Company and Barclays Bank PLC,
through its agent Barclays Capital Inc., with respect to the
Convertible Senior Notes due 2026, (iii) the additional letter
agreement confirmation, dated December 15, 2020, between the
Company and Barclays Bank PLC, through its agent Barclays Capital
Inc., with respect to the Convertible Senior Notes due 2026, (iv)
the additional letter agreement, dated December 15, 2020,
between the Company and Barclays Bank PLC, through its agent
Barclays Capital Inc., with respect to the Convertible Senior Notes
due 2026, (v) the letter agreement confirmation, dated
December 14, 2020, between the Company, Bank of Montreal,
acting as principal, and BMO Capital Markets Corp., acting as
agent, with respect to the Convertible Senior Notes due 2026, (vi)
the letter agreement, dated December 14, 2020, between the
Company, Bank of Montreal, acting as principal, and BMO Capital
Markets Corp., acting as agent, with respect to the Convertible
Senior Notes due 2026, (vii) the additional letter agreement
confirmation, dated December 15, 2020, between the Company,
Bank of Montreal, acting as principal, and BMO Capital Markets
Corp., acting as agent, with respect to the Convertible Senior
Notes due 2026, (viii) the additional letter agreement, dated
December 15, 2020, between the Company, Bank of Montreal,
acting as principal, and BMO Capital Markets Corp., acting as
agent, with respect to the Convertible Senior Notes due 2026, (ix)
the letter agreement confirmation, dated December 14, 2020,
among the Company, Deutsche Bank AG, London Branch, and Deutsche
Bank Securities Inc., acting solely as agent, with respect to the
Convertible Senior Notes due 2026, (x) the letter agreement, dated
December 14, 2020, among the Company, Deutsche Bank AG, London
Branch, and Deutsche Bank Securities Inc., acting solely as agent,
with respect to the Convertible Senior Notes due 2026, (xi) the
additional letter agreement confirmation, dated December 15,
2020, among the Company, Deutsche Bank AG, London Branch, and
Deutsche Bank Securities Inc., acting solely as agent, with respect
to the Convertible Senior Notes due 2026, (xii) the additional
letter agreement, dated December 15, 2020, among the Company,
Deutsche Bank AG, London Branch, and Deutsche Bank Securities Inc.,
acting solely as agent, with respect to the Convertible Senior
Notes due 2026, (xiii) the letter agreement confirmation, dated
December 14, 2020, between the Company and Goldman
Sachs & Co. LLC, with respect to the Convertible Senior
Notes due 2026, (xiv) the letter agreement, dated December 14,
2020, between the Company and Goldman Sachs & Co. LLC,
with respect to the Convertible Senior Notes due 2026, (xv) the
additional letter agreement confirmation, dated December 15,
2020, between the Company and Goldman Sachs & Co. LLC,
with respect to the Convertible Senior Notes due 2026, (xvi) the
additional letter agreement, dated December 15, 2020, between
the Company and Goldman Sachs & Co. LLC, with respect to
the Convertible Senior Notes due 2026, (xvii) the letter agreement
confirmation, dated December 14, 2020, between the Company
- 96 -