Flow Rate Data Continues to Support 4ktpa LCE Pilot Plant – Other HMW Work Streams Progressing Well

Galan Lithium Limited (ASX: GLN) (Galan or the Company) is pleased to provide an update on the various evaluation workstreams in progress on its 100%-owned Hombre Muerto West Project (HMW Project) in Catamarca Province, Argentina.

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Highlights:

• Outstanding results from second long-term pump test at HMW (PBRS-01-21)
  
• Steady flow delivery of 25 L/s at average 967 mg/L Li grade for 30+ days
• Third long-term pump test in progress at PPB-02-21 with steady 20 L/s flow
• Pump test results to date support the extended 4ktpa LCE pilot plant requirements at HMW
• Two site-based batch evaporation tests successfully completed delivering 6% Li concentrated brine (approx. 13% Li2O) with low impurities; substantial de- risking of process
• Ramp-up of HMW original pilot plant on schedule with continuous production set to commence in Q2 CY2023
• DFS advancing and on track for Q1 CY2023 delivery; process design of ponds, mass balance and general layout completed
• EIA base line studies completed; impact assessments commenced with positive EIA completion expected during Q1 CY2023

Galan’s Managing Director, JP Vargas de la Vega, commented:

“The Galan team continues to drive the HMW Project forward at pace. The HMW Project has the highest grade and lowest impurity lithium brine in Argentina. Our long-term pumping testwork is delivering the targeted results at the same time as we are demonstrating the viability of our process design via successful site-based batch evaporation tests. The original HMW pilot plant is also on track for the commencement of continuous production within six months. As our current technical evaluation work starts to culminate into the delivery of the DFS, we are also rapidly advancing our environmental impact assessment work, with both expected to be finalised during Q1 CY2023.”

Further excellent long-term pump test results

The long-term pumping test at the PBRS-01-21 well (Rana de Sal) was conducted between 14 September and 16 October 2022, at a constant rate of 25 litres per second. This was the second long-term pumping test conducted at the HMW Project, following the one completed on the PPB-01-21 well (Pata Pila) during July 2022.

A total of 141 assays were received from the test and analysed at Alex Stewart NOA laboratory (Jujuy). Lithium grades varied between 941 and 997 mg/L, with an attractive mean value of 967 mg/L. Grades remained relatively stable thorough the entire test period showing a remarkably steady distribution (see Figure 1).

The third long-test pumping test at the HMW Project is currently being undertaken on the PPB-02-22 well (Pata Pila), which is located approximately 930 metres upgradient from the PPB-01-21 well. The test on PPB-02-22 is approximately half complete and is running at a steady flow of 20 L/s. Brine samples and levels are being regularly obtained for laboratory analysis.

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