(in thousands)

Coupon Rate

Maturity Date

December 31, 2021

Senior secured notes principal amount⁽¹⁾

4.50

%

10/20/2026

$

350,000

Unamortized deferred financing costs - Senior secured notes

(7,965)

Total Senior secured notes, net

$

342,035

Convertible notes principal amount ⁽²⁾

7.00

%

8/15/2023

115,000

Unamortized discount - Convertible notes⁽³⁾

(642)

Unamortized deferred financing costs - Convertible notes

(1,111)

Total Convertible notes, net

$

113,247

Corporate debt principal amount⁽⁴⁾

5.50

%

12/30/2028

110,000

Corporate debt principal amount⁽⁴⁾

6.20

%

7/30/2026

104,250

Corporate debt principal amount⁽⁵⁾

5.75

%

2/15/2026

201,250

Unamortized discount - corporate debt

(6,541)

Unamortized deferred financing costs - corporate debt

(3,392)

Junior subordinated notes principal amount⁽⁶⁾

3M + 3.10

%

3/30/2035

15,000

Junior subordinated notes principal amount⁽⁷⁾

3M + 3.10

%

4/30/2035

21,250

Total corporate debt, net

$

441,817

Total carrying amount of debt

$

897,099

Total carrying amount of conversion option of equity components recorded in equity

$

642

(1) Interest on the senior secured notes is payable semiannually on April 20 and October 20 of each year.

(2) Interest on the convertible notes is payable quarterly on February 15, May 15, August 15, and November 15 of each year.

(3) Represents the discount created by separating the conversion option from the debt host instrument.

(4) Interest on the corporate debt is payable January 30, April 30, July 30, and October 30 of each year.

(5) Interest on the corporate debt is payable January 30, April 30, July 30, and October 30 of each year.

(6) Interest on the Junior subordinated notes I-A payable March 30, June 30, September 30, and December 30 of each year.

(7) Interest on the Junior subordinated notes I-B payable January 30, April 30, July 30, and October 30 of each year.