Global Water Resources Sets First Quarter 2021 Conference Call for Thursday, May 6, 2021 at 1:00 p.m. ET

Global Water Resources, Inc. (NASDAQ: GWRS), (TSX: GWR), a pure-play water resource management company, will hold a conference call on Thursday, May 6, 2021 at 1:00 p.m. Eastern time to discuss results for the first quarter ended March 31, 2021. The financial results will be issued in a press release prior to the call.

Global Water Resources management will host the presentation, followed by a question-and-answer period.

Date: Thursday, May 6, 2021Time: 1:00 p.m. Eastern time (10:00 a.m. Pacific time)Toll-free dial-in number: 1-855-327-6837International dial-in number: 1-631-891-4304Conference ID: 10013969

The conference call will be webcast live and available for replay here as well as via a link in the Investors section of the company’s website at www.gwresources.com.

Please call the conference telephone number five minutes prior to the start time. An operator will register your name and organization. If you have any difficulty connecting with the conference call, please contact CMA at 1-949-432-7566.

A replay of the call will be available after 4:00 p.m. Eastern time on the same day through May 20, 2021.

Toll-free replay number: 1-844-512-2921International replay number: 1-412-317-6671Replay ID: 10013969

About Global Water ResourcesGlobal Water Resources, Inc. is a leading water resource management company that owns and operates 16 utilities which provide water, wastewater, and recycled water services. The company’s service areas are located primarily in growth corridors around metropolitan Phoenix. Global Water recycles nearly 1 billion gallons of water annually.

The company has been recognized for its highly-effective implementation of Total Water Management (TWM). TWM is an integrated approach to managing the entire water cycle by owning and operating water, wastewater and recycled water utilities within the same geographic area in order to maximize the beneficial use of recycled water. TWM includes additional smart water management programs such as remote metering infrastructure and other advanced technologies, rate designs, and incentives that result in real conservation. TWM helps protect water supplies in water-scarce areas experiencing population growth. To learn more, visit www.gwresources.com.

Company Contact:Michael LiebmanCFO and SVPTel (480) [e-mail]

Investor Relations Contact:Ron Both or Grant StudeCMA Investor RelationsTel [phone]Email contact