Nine Months Ended

September 30,

(In millions)

2024

2023

CCF Cash and Cash Equivalents:

CCF cash balance at beginning of period

$

596.7

$

518.2

Cash deposits into the CCF

50.0

100.0

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

(449.8)

—

Interest income deposited into the CCF

15.4

20.8

Qualifying withdrawal payments out of the CCF

(35.8)

(49.9)

Total CCF cash balance at end of period

176.5

589.1

Accrued interest earned on CCF Cash and Investments at end of period

2.2

2.5

Total CCF cash and cash equivalents balance at end of period

178.7

591.6

CCF Investments:

CCF investments balance at beginning of period

—

Purchase of U.S. Treasury debt securities

448.1

—

Accretion of investments

8.6

—

Total CCF investments balance at end of period

456.7

—

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

$

635.4

$

591.6