Company: SPH
Filing Date: 2025-02-12
Form Type: S-3
Source: 0001193125-25-024546
Chunk: 50

Company: SUBURBAN PROPANE PARTNERS LP
Filing Date: 2025-02-12
Form: S-3
Chunk 50
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 23.2*       |     | Consent of Proskauer Rose LLP (included in Exhibit 8.1)                                                                                                                                                                                            |
| 23.3*       |     | Consent of PricewaterhouseCoopers LLP                                                                                                                                                                                                              |
| 24.1*       |     | Power of Attorney (set forth on signature page)                                                                                                                                                                                                    |
| 107*        |     | Filing Fee Table                                                                                                                                                                                                                                   |

| * | Filed herewith |

Item 17. Undertakings .

| (a) | The undersigned registrant hereby undertakes: |

(1) To file, during any period in which offers or sales are being made, a post-effectiveamendment to this registration statement: (i) To include any prospectus required by section 10(a)(3) of the Securities Act; (ii) To reflect in the prospectus any facts or events arising after the effective date of the registration statement (or the most recent post-effectiveamendment thereof) which, individually or in the II-2

aggregate, represent a fundamental change in the information set forth in the registration statement. Notwithstanding the foregoing, any increase or decrease in volume of securities offered (if
the total dollar value of securities offered would not exceed that which was registered) and any deviation from the low or high end of the estimated maximum offering range may be reflected in the form of prospectus filed with the Securities and
Exchange Commission pursuant to Rule 424(b) if, in the aggregate, the changes in volume and price represent no more than 20 percent change in the maximum aggregate offering price set forth in the “Calculation of Registration Fee”
table in the effective registration statement; and

(iii) To include any material information with respect to the plan of distribution
not previously disclosed in the registration statement or any material change to such information in the registration statement.

(2)
That, for the purpose of determining any liability under the Securities Act, each such post-effective amendment shall be deemed to be a new registration statement relating to the securities offered
therein, and the offering of such securities at that time shall be deemed to be the initial bona fide offering thereof.

(3) To remove
from registration by means of a post-effective amendment any of the securities being registered which remain unsold at the termination of the offering.

(4) That, for the purpose of determining liability under the Securities Act to any purchaser, each prospectus filed pursuant to
Rule 424(b) as part of a registration statement relating