NORTHROP GRUMMAN CORP /DE/

We are focused on the efficient conversion of operating income into cash to provide for the company’s material cash requirements, including working capital needs, satisfaction of contractual commitments, funding of our pension and OPB plans, investment in our business through capital expenditures, and shareholder returns.

At March 31, 2026, we had $2.1 billion in cash and cash equivalents. We expect cash and cash equivalents and cash generated from operating activities, supplemented by borrowings under credit facilities, commercial paper and/or in the capital markets, if needed, to be sufficient to provide liquidity to the company in the short-term and long-term. The company has a five-year senior unsecured revolving credit facility in an aggregate principal amount of $3.0 billion, and in April 2026, we renewed our one-year $500 million uncommitted credit facility. At March 31, 2026, there were no borrowings outstanding under these credit facilities; however, as of March 31, 2026, we had $500 million in commercial paper outstanding, which reduced the amount available for borrowing under our unsecured revolving credit facility by that amount.

Cash Flow Measures

In addition to our cash position, we consider various cash flow measures in capital deployment decision-making, including cash provided by operating activities and free cash flow, a non-GAAP measure described in more detail below.

Operating Cash Flow

The table below summarizes key components of cash used in operating activities:

(1)Beginning in the fourth quarter of 2025, the company redefined trade working capital presented in this table to include accounts receivable, unbilled receivables, inventoried costs, trade accounts payable and advance payments and billings in excess of costs incurred. Prior period amounts and disclosures have been recast to conform to the current period presentation.

First quarter 2026 net cash used in operating activities was comparable with the same period in 2025. Net cash used in operating activities reflects increases in trade working capital, consistent with the company’s historical timing of operating cash flows, which are generally more heavily weighted towards the second half of the year.

Free Cash Flow

Free cash flow, as reconciled in the table below, is a non-GAAP measure defined as net cash provided by or used in operating activities less capital expenditures, and may not be defined and calculated by other companies in the same

-31- manner. We use free cash flow as a key factor in our planning for, and consideration of, acquisitions, the payment of dividends and stock repurchases. This non-GAAP measure may be useful to investors and other users of our financial statements as a supplemental measure of our cash performance, but should not be considered in isolation, as a measure of residual cash flow available for discretionary purposes, or as an alternative to operating cash flows presented in accordance with GAAP.

The table below reconciles net cash used in operating activities to free cash flow:

First quarter 2026 free cash flow was comparable with the prior year period and reflects a $91 million increase in net cash used in operating activities and an $89 million reduction in capital expenditures.

Investing Cash Flow

First quarter 2026 net cash used in investing activities decreased $84 million, or 33 percent, as compared with the same period in 2025 principally due to lower capital expenditures.

Financing Cash Flow

First quarter 2026 net cash used in financing activities decreased $362 million, or 43 percent, as compared with the same period in 2025, primarily due to a $412 million decrease in share repurchases.

Credit Facilities, Commercial Paper and Financial Arrangements -See Note 7 to the financial statements for further information on our credit facilities, commercial paper and our use of standby letters of credit and guarantees.

Share Repurchases - See Note 2 to the financial statements for further information on our share repurchase programs.

Long-term Debt - See Note 5 to the financial statements for further information.