Exhibit 99.1

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FOR IMMEDIATE RELEASE

Suburban Propane Partners, L.P. to Hold

Fiscal 2018 Third Quarter Results Conference Call

Whippany, New Jersey, July 23, 2018 -- Suburban Propane Partners, L.P. (NYSE:SPH), a nationwide distributor of propane, fuel oil and related products and services, as well as a marketer of natural gas and electricity, announced today that it has scheduled its Fiscal 2018 Third Quarter Results Conference Call for Thursday, August 9, 2018 at 9:00 AM Eastern Time.

Analysts, investors and other interested parties are invited to listen to management’s discussion of Fiscal 2018 Third Quarter results and business outlook by accessing the call via the internet at www.suburbanpropane.com, or by telephone as follows:

Phone #: (800) 230-1059

Ask for: Suburban Propane Fiscal 2018 Third Quarter Results Conference Call

In addition, a replay of the conference call will be available from 11:00 AM Eastern Time, Thursday, August 9, 2018 until 11:59 PM Eastern Time, Friday, August 10, 2018 and can be accessed by dialing (800) 475-6701, Access Code 451961. The replay will also be available via Suburban’s website until the replay for next quarter’s call is posted.

Suburban Propane Partners, L.P. is a publicly-traded master limited partnership listed on the New York Stock Exchange. Headquartered in Whippany, New Jersey, Suburban has been in the customer service business since 1928. The Partnership serves the energy needs of approximately 1.0 million residential, commercial, industrial and agricultural customers through 668 locations in 41 states.

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