Three Months Ended

March 31,

(In millions)

2024

2023

CCF Cash and Cash Equivalents:

CCF cash and cash equivalents balance at beginning of period

$

599.4

$

518.2

Cash deposits into the CCF

—

100.0

Cash paid for purchase of U.S. Treasury debt securities and accrued interest

(449.8)

—

Interest earned on deposits and investments, net

5.1

5.5

Total CCF cash and cash equivalents balance at end of period

154.7

623.7

CCF Investments:

CCF investments balance at beginning of period

—

Purchase of U.S. Treasury debt securities

448.1

—

Accretion of investments

1.9

—

Total CCF investments balance at end of period

450.0

—

Accrued interest earned on Cash and Cash Equivalents, and Investments at end of period:

2.1

—

Total CCF cash and cash equivalents, and investments balance at end of period

$

606.8

$

623.7