Company: BRK-A
Filing Date: 2025-06-23
Form Type: 11-K
Source: 0001193125-25-144506
Chunk: 4

Company: BERKSHIRE HATHAWAY INC
Filing Date: 2025-06-23
Form: 11-K
Chunk 4
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 position, except a non-resident alien, of BNSF who is not subject to a collective bargaining agreement is eligible to participate in
the Plan immediately upon hire.

Also effective October 1, 2015, the Plan provides for the automatic enrollment of employees who
become newly eligible to participate in the Plan at a rate of six percent of their base salary. For employees already eligible, they may become participants in the Plan by authorizing regular payroll deductions and designating an allocation method
for such deductions.

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 and the core contribution determination based on their tenure at MRL.

Contributions

Compensation, as generally defined under the Plan, is the total of base salary, commissions and Incentive Compensation Plan bonuses. 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 a participant’s base salary, commissions and Incentive Compensation Plan bonus award with separate elections for each, not to exceed certain limits as described in the Plan document. All employee-elected contributions are made by means of
regular payroll deductions.

BNSF matches 75% of the first 6% of employee-elected before-tax contributions and/or
Roth contributions for each pay period. BNSF matching contributions are made in cash, as soon as practicable after the end of each pay period.

5

BURLINGTON NORTHERN SANTA FE

INVESTMENT AND RETIREMENT PLAN

Notes to Financial Statements (continued)

Effective April 1, 2019, the Plan was amended to include an additional, non-matching employer contribution (the Core Contribution). Non-union employees hired on or after April 1, 2019 are eligible to receive the Core Contribution, as are
existing employees who have transitioned away from active participation in BNSF’s defined