Company: BSX
Filing Date: 2025-06-18
Form Type: 11-K
Source: 0000885725-25-000035
Chunk: 8

Company: BOSTON SCIENTIFIC CORP
Filing Date: 2025-06-18
Form: 11-K
Chunk 8
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| Mutual funds                    |     | $                       |   614,275,157 |
| Common collective trusts        |     |                         | 4,760,193,631 |
| Common stock                    |     |                         |   379,124,189 |
| Other                           |     |                         |       143,057 |
| Total investments at fair value |     | $                       | 5,753,736,034 |

#### NOTE 4 - TRANSACTIONS WITH PARTIES-IN-INTEREST
The Plan invests in certain funds managed by an affiliate of Vanguard. As described in Note 1 - Description of the Plan , Vanguard is a fiduciary and trustee of the Plan as well as the recordkeeper which maintains the individual accounts of each Participant. The Plan also invests in the common stock of the Company. Transactions in these investments qualify as party-in-interest transactions; however, they are exempt from the prohibited transaction rules under ERISA. The Company paid plan related fees for legal, accounting and other services rendered during the year by parties-in-interest.

#### NOTE 5 - RISKS AND UNCERTAINTIES
The Plan and its Participants invest in various investment securities. Investment securities are exposed to various risks, such as overall market volatility, interest rate, liquidity and credit risks. Due to the level of risk associated with certain investment securities, it is at least reasonably possible that changes in the values of investment securities will occur in the near term and that such changes could materially affect Participants' account balances and the amounts reported within the Statements of Net Assets Available for Benefits.

#### NOTE 6 - INCOME TAX STATUS
The Plan has received a determination letter from the IRS, dated April 27, 2017, stating that the Plan, as amended and restated, is qualified under Section 401(a) of the IRC, and, therefore, the related trust is exempt from taxation. Subsequent to this determination by the IRS, the Plan was amended and restated. Once qualified, the Plan is required to operate in conformity with the IRC to maintain its qualified status. The plan administrator believes the Plan is being operated in compliance with the applicable requirements of the IRC and, therefore, believes that the Plan, as amended and restated, is qualified and the related trust is tax exempt.

U.S. GAAP requires plan management to evaluate tax positions taken by the Plan and recognize a tax liability if the Plan has taken an uncertain position that more likely than not would not be sustained upon examination by the IRS. Plan