Company: NOC
Filing Date: 2025-06-10
Form Type: 11-K
Source: 0001133421-25-000043
Chunk: 10

Company: NORTHROP GRUMMAN CORP /DE/
Filing Date: 2025-06-10
Form: 11-K
Chunk 10
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, if any, on fund assets, or on any gain resulting from the sale or other disposition of such assets, or on the earnings of the funds, are apportioned among the participants whose interests in the Plan are affected, and the share of such taxes apportioned to each such person is charged against their account in the Plan.

The Trustee, in performing any required valuations or calculations, relies on the prices provided by pricing sources, the investment managers, Plan management or the participant’s broker as a certification as to the value.

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The DC Master Trust allocates investment income, realized gains and losses, and unrealized appreciation and depreciation on the underlying securities to the participating plans daily based upon the market value of each plan’s investment. The realized gain or loss on investments is the difference between the proceeds received and the average cost of investments sold. The unrealized appreciation or depreciation is the aggregate difference between the current fair market value and the cost of investments.

#### Notes Receivable from Participants
Participant loans are measured at their unpaid principal balance plus accrued interest.

#### Expenses
Plan expenses are paid by the Plan or the Plan sponsor as provided in the Plan document. Fees incurred by the Plan for investment management services of $3.3 million are presented as a reduction to investment income in the Statement of Changes in Net Assets Available for Benefits for the year ended December 31, 2024.

#### Payment of Benefits
Benefit payments to participants are recorded upon distribution. Amounts allocated to accounts of participants who have elected to withdraw funds from the Plan but have not yet been paid were $6.0 million and $9.2 million at December 31, 2024 and 2023, respectively. These amounts continued to accrue investment earnings (losses) until paid.

#### 3. INVESTMENTS
The Plan's total divided interest represents 99 percent of total net assets reported by the Trustee of the DC Master Trust as of December 31, 2024 and 2023. The remaining interest in the investments held by the DC Master Trust belongs to the Northrop Grumman Financial Security and Savings Program.

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The net assets of the DC Master Trust and the Plan's interest in Master Trust balances as of December 31, 2024 and 2023, are as follows:

| $ in thousands                                            
 Assets                                                    
 At fair value:                                            |     | Master Trust Balances 
 2024                  |            |