Global Water Resources Appoints Senior Water Industry Expert, Jake Lenderking, as Director of Water Resources

[NEWS RELEASE] Global Water Resources, Inc. (NASDAQ: GWRS) (TSX: GWR), a pure-play
water resource management company, has appointed Jake Lenderking as director of Water Resources.

“Jake’s senior leadership experience on water resource management throughout Arizona makes him a
great addition to Global Water,” said company president and CEO, Ron Fleming. “We expect his
knowledge and expertise to help us remain at the forefront of the water management industry, and
advance our mission of achieving efficient growth and consolidation.”

Lenderking brings to Global Water more than 10 years of leadership experience in water resource
management, water policy formation, conservation program development and compliance,
management of capital investment projects and other multi-state operational knowledge. He also has
experience with representing water utilities before the Arizona Corporation Commission, and city and
town councils on the formation of water policy, rates and regulation.

Lenderking earlier served as water resource manager for an investor-owned water utility serving over
200,000 customer connections. He oversaw the utility’s water resources for 13 service areas in Arizona
and New Mexico, ensuring optimum utilization and compliance with all applicable rules and regulations.
He also oversaw certain operations in Texas.

Additionally, Lenderking served as chairman for West Valley Water Association (formerly WESTCAPS), a
collaboration of West Valley municipal and private water providers, where he led a number of member
agencies to plan and implement the use of renewable water supplies. He also served on the Arizona
Department of Water Resources’ (ADWR) Modified Non-Per Capita Conservation Program Steering
Committee, as well as served on ADWR’s Statewide Water Advisory Group to assist in statewide water
policy formation.

Earlier, Lenderking served as water resource specialist for the City of Phoenix Water Services
Department, where he was responsible for water resources and water conservation, and oversaw the
implementation of the city’s Residential Retrofit Program.

He began his career at the Arizona Department of Water Resources’ Phoenix Active Management Area,
where he climbed the ranks to water resource specialist III and was later promoted to Water Resource
Specialist IV Recharge Team Leader.

Lenderking holds a Global MBA from Thunderbird School of Global Management in Glendale, Arizona,
and holds a Bachelor of Science in Environmental Resources from Arizona State University.