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Talen Energy Corp

For the period ended Sep 30, 2025. Filed Nov 5, 2025.

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About this filing

A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Sep 30, 2025 · Filed Nov 5, 2025

TLN$363.13+7.2%Stored close · as of Nov 9, 2026

Extracted filing text, with the paragraph anchors used by the comparison.

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Contents

6. Nuclear Decommissioning Trust Funds

  1. Nuclear Decommissioning Trust Funds
September 30, 2025December 31, 2024
Amortized CostUnrealized GainsUnrealized LossesFair ValueAmortized CostUnrealized GainsUnrealized LossesFair Value
Cash equivalents$163$—$—$163$3$—$—$3
Equity securities383717(18)1,082509651(55)1,105
Debt securities6139(3)6196153(7)611
Receivables (payables), net6——65——5
NDT Funds$1,165$726$(21)$1,870$1,132$654$(62)$1,724

See Note 11 for additional information on the NDT fair value. There were no available-for-sale debt securities with credit losses as of September 30, 2025 and December 31, 2024.

As of September 30, 2025, there was no intent to sell available-for-sale debt securities with unrealized losses, and it is not more likely than not that each of these investments will be required to be sold before the recovery of its amortized cost. The aggregate fair value of available-for-sale debt securities with unrealized losses as of September 30, 2025 was:

Fair Value · Unrealized Losses
Corporate debt securities$24$(1)
Municipal debt securities54(1)
U.S. Government debt securities126(1)
Debt securities in unrealized loss position$204$(3)

As of September 30, 2025, the aggregate fair value of debt securities in a loss position for a duration of one year or longer were $24 million and the unrealized losses were non-material.

The contractual maturities for available-for-sale debt securities presented on the Consolidated Balance Sheets were:

September 30,2025December 31,2024
Maturities within one year$36$82
Maturities within two to five years234220
Maturities thereafter349309
Debt securities, fair value$619$611

The sales proceeds, gains, and losses for available-for-sale debt securities for the periods were:

Three Months Ended September 30,Nine Months Ended September 30,
2025202420252024
Sales proceeds of NDT funds investments (a)$433$545$1,601$1,578
Gross realized gains2499
Gross realized losses—(2)(5)(8)

(a)Sales proceeds are used to pay income taxes and trust management fees. Remaining proceeds are reinvested in the NDT.

The net unrealized gains and losses recognized associated with equity securities still held at the end of the reporting periods were:

Three Months Ended September 30,Nine Months Ended September 30,
2025202420252024
Equity securities, unrealized gains (losses)$66$48$103$105
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The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.