Heritage-Crystal Clean, Inc. to Hold 2022 Third Quarter Conference Call

October 5, 2022

Hoffman Estates, IL., October 5, 2022 — Heritage-Crystal Clean, Inc. (Nasdaq: HCCI) plans to release its financial results for the third quarter of 2022, which ended September 10, 2022, after the market close on Wednesday, October 19, 2022.

The company will host a conference call on Thursday, October 20, 2022 at 9:30 AM Central Time, during which management will give a presentation focusing on the Company’s operations and financial results.

Interested parties can listen to the audio webcast available through our company website, https://crystal-clean.com/investor-relations/, and can participate on the call by dialing (888) 440-4149. After dialing the number, you will be required to provide the following passcode before being joined to the conference call: 8889427.

To register for the webcast of the conference call, visit https://events.q4inc.com/attendee/147949375

About Heritage-Crystal Clean, Inc.

Heritage-Crystal Clean, Inc. provides parts cleaning, used oil re-refining, hazardous and non-hazardous waste disposal, emergency and spill response, and industrial and field services to vehicle maintenance businesses, manufacturers and other industrial businesses, as well as utilities and governmental entities. Our service programs include parts cleaning, regulated containerized and bulk waste management, used oil collection and re-refining, wastewater vacuum, emergency and spill response, industrial and field services, waste antifreeze collection, recycling and product sales. These services help our customers manage their used chemicals and liquid and solid wastes, while also helping to minimize their regulatory burdens. Through our used oil re-refining program, during fiscal 2021, we recycled approximately 66 million gallons of used oil into high quality lubricating base oil, and we are a supplier to firms that produce and market finished lubricants. Through our antifreeze program during fiscal 2021 we recycled approximately 3.9 million gallons of spent antifreeze which was used to produce a full line of virgin-quality antifreeze products. Through our parts cleaning program during fiscal 2021 we recycled 2 million gallons of used solvent into virgin-quality solvent to be used again by our customers. In addition, we sold 0.5 million gallons of used solvent into the reuse market. Through our containerized waste program during fiscal 2021 we collected 21 thousand tons of regulated waste which was sent for energy recovery. Through our wastewater vacuum services program during fiscal 2021 we treated approximately 49 million gallons of wastewater. Heritage-Crystal Clean, Inc. is headquartered in Hoffman Estates, Illinois, and operates through 105 branch and industrial services locations serving approximately 103,000 customer locations.

Contact:

Heritage-Crystal Clean, Inc.
Mark DeVita, Chief Financial Officer
(847) 836-5670
https://www.crystal-clean.com