Company: SPH
Filing Date: 2025-02-12
Form Type: S-3
Source: 0001193125-25-024546
Chunk: 27

Company: SUBURBAN PROPANE PARTNERS LP
Filing Date: 2025-02-12
Form: S-3
Chunk 27
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 period:

| • |     | any of our income, gain, loss, deduction or credit with respect to those common units would not be 
 reportable by the unitholder;                                                                      |

| • |     | any cash distributions received by the unitholder as to those common units would be fully taxable; and |

| • |     | while not entirely free from doubt, all of these distributions would appear to be ordinary income. |

16

In light of the potential adverse consequences of loaning common units to a short seller to
cover the short sale of common units, unitholders desiring to assure their status as partners and avoid the risk of gain recognition from a loan to a short seller are urged to modify any applicable brokerage account agreements to prohibit their
brokers from borrowing and loaning their common units, as well as to consult their own tax advisors. Please also read “— Disposition of Common Units — Recognition of Gain or Loss.”

Alternative Minimum Tax

Each individual
unitholder will be required to take into account a distributive share of our income, gain, loss, deduction or credit for purposes of the alternative minimum tax. Prospective unitholders should consult with their tax advisors as to the impact of an
investment in common units on their liability for the alternative minimum tax.

Net Investment Income Tax

Under current law, in addition to U.S. federal income tax, a 3.8% tax is imposed on certain net investment income earned by individuals,
estates and trusts. For these purposes, net investment income generally includes the allocable share of our income to a unitholder, as well as a unitholder’s gain realized from a sale of common units. In the case of an individual, the tax will
be imposed on the lesser of (i) the unitholder’s net investment income or (ii) the amount by which the unitholder’s modified adjusted gross income exceeds $250,000 (if the unitholder is married and filing jointly or a surviving
spouse with a dependent child), $125,000 (if the unitholder is married and filing separately) and $200,000 (in any other case). In the case of an estate or trust, the tax will be imposed on the lesser of (i) undistributed net investment income
or (ii) the excess of adjusted gross income over the dollar amount at which the highest income tax bracket applicable to an estate or trust begins.

Section 754 Election and Section 743 Adjustments

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