Exhibit 99.1

News Release Contact: Michael A. Kuglin Chief Financial Officer & Chief Accounting Officer P.O. Box 206, Whippany, NJ 07981-0206 Phone: 973-503-9252

FOR IMMEDIATE RELEASE

Suburban Propane Partners, L.P. Declares

Quarterly Distribution of $0.325 per Common Unit

Whippany, New Jersey, October 21, 2021 -- Suburban Propane Partners, L.P. (NYSE:SPH), today announced that its Board of Supervisors declared a quarterly distribution of $0.325 per Common Unit for the three months ended September 25, 2021. This quarterly distribution rate equates to an annualized rate of $1.30 per Common Unit. The distribution is payable on November 9, 2021 to Common Unitholders of record as of November 2, 2021.

Nominees are hereby notified that there is a withholding requirement at the highest applicable effective tax rates for foreign partners from the cash distribution under Section 1446 of the Internal Revenue Code.

About Suburban Propane Partners, L.P.

Suburban Propane Partners, L.P. (“Suburban Propane”) is a publicly traded master limited partnership listed on the New York Stock Exchange.  Headquartered in Whippany, New Jersey, Suburban Propane has been in the customer service business since 1928 and is a nationwide distributor of propane, renewable propane, fuel oil and related products and services, as well as a marketer of natural gas and electricity and an investor in low carbon fuel alternatives, servicing the energy needs of approximately 1 million residential, commercial, governmental, industrial and agricultural customers through approximately 700 locations across 41 states.  Suburban Propane is supported by three core pillars: (1) Suburban Commitment – showcasing the Suburban Propane’s 90+ year legacy, and ongoing commitment to the highest standards for dependability, flexibility, and reliability that underscores Suburban Propane’s commitment to excellence in customer service; (2) SuburbanCares – highlighting continued dedication to giving back to local communities across the Suburban Propane’s national footprint and (3) Go Green with Suburban Propane - promoting the clean burning and versatile nature of propane and renewable propane as a bridge to a green energy future and developing the next generation of renewable energy.  For additional information on Suburban Propane, please visit www.suburbanpropane.com.

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