Company: BRK-A
Filing Date: 2025-06-23
Form Type: 11-K
Source: 0001193125-25-144508
Chunk: 4

Company: BERKSHIRE HATHAWAY INC
Filing Date: 2025-06-23
Form: 11-K
Chunk 4
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 appointing and removing the Trustee, specifying the investment options available under the Plan (if not otherwise mandated
by the Plan), and reviewing benefit claims appeals.

Master Trust

The Plan participates in the BNSF 401(k) Plans Master Trust (the Master Trust) and, along with the Burlington Northern Santa Fe Investment and
Retirement Plan (the Salaried Plan), owns a percentage of the assets in the Master Trust.

Eligibility

Effective October 1, 2023, any employee who establishes seniority under a collective bargaining agreement that provides for participation
in this Plan is eligible to participate in the Plan immediately upon hire.

Eligible employees may become participants in the Plan by
authorizing regular payroll deductions and designating an allocation method for such deductions.

Employee eligibility for the BLET
contribution is based on employees who received earnings in the engineer’s craft and did not terminate employment with BNSF Railway for reasons other than death or retirement.

During 2023, BNSF Railway completed a business combination with the Montana Rail Link (MRL) in accordance with ASC Topic 805 (ASC 805). The
transaction resulted in an amendment to the Plan allowing certain former MRL employees to enter the Plan effective January 1, 2024. Former MRL employees were automatically enrolled into the Plan as applicable, unless elected otherwise.
Additionally, these participants received credit for vesting service based on their tenure at MRL.

5

BNSF RAILWAY COMPANY NON-SALARIED

EMPLOYEES 401(k) RETIREMENT PLAN

Notes to Financial Statements (continued)

Contributions

Compensation, as generally defined under the Plan, is the total of salary and other amounts received for personal services rendered as an
eligible employee, excluding, except to the extent otherwise provided in an applicable collective bargaining agreement, disciplinary or judicially ordered back pay awards, severance benefits, bonuses and certain other payments set forth in the Plan.
The Plan provides that the annual compensation of each employee taken into account under the Plan for any year may not exceed a limitation pursuant to requirements of the Internal Revenue Code (IRC). During 2024, the limitation was
$345 thousand. The maximum limitation on combined total before-tax and after-tax employee contributions (other than catch-up
contributions) is 50% of compensation or such other maximum amount provided in an applicable collective bargaining agreement. All employee-elected contributions are made by means of regular payroll deductions.

BNSF Railway matches 25% of the