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Cauchari JV Drilling Update Excellent NW Sector Results Averaging 571 mg/l Li - Hole CAU17

TSX Venture Exchange Symbol: AAL

VANCOUVER, April 17, 2018 /CNW/ - Advantage Lithium Corp. (the "Company" or "Advantage Lithium") (TSX Venture: AAL) (OTCQX: AVLIF) is pleased to provide this update on the brine sampling of diamond core hole CAU17 in the NW Sector of the Cauchari JV property located in Jujuy Province, Argentina.

Highlights:

  • CAU17 drilled in the NW Sector intersected extensive gravel and sandy sediments, similar to hole CAU18, which is located 2.6 km further to the east.
  • Drilling has now confirmed the NW Sector contains sediments with relatively high drainable porosity and permeability which extend south From CAU17 and CAU18 through hole CAU07 to CAU16 and CAU15 as shown in Figure 1.
  • Brine sampling in CAU17 averaged 571 mg/l Li and 4,488 mg/l K in three samples taken in the lower part of the gravel sequence between 177 m and 203 m depth. These samples have an average Mg/Li ratio of 2.3:1, comparable to the nearby Olaroz project and other drilling in the NW Sector
  • Diamond drill hole CAU14 in the SE Sector is currently at a depth of 445 m with the aim of evaluating the continuation of the deep sand unit in the SE Sector
  • The Cauchari resource estimate is now expected to be completed in mid-May
  • Phase 3 drilling will start during May with new drilling equipment being mobilized to site, targeting the deep sand-dominated units in the SE Sector

Project Director Mr. Andy Robb commented: "The results of CAU17 are very encouraging, showing the continuation of high brine grades and attractive brine chemistry in the north of the NW Sector. Drilling in this area has now been completed for resource estimation purposes and on completion of CAU14 a new resource will be estimated for the project by mid-May."

NW SECTOR - CAU17 Drilling Results

CAU17 was drilled in the NW Sector, 2.6 km west of CAU18 for which results were released on the 9th of April. CAU17 was pre-collared with surface casing cemented to a depth of 140 m through the shallow fresh / brackish groundwater of the Archibarca alluvial (gravel) Fan that overlies the deeper brine in this area. Brine is estimated to extend from above 140 m depth to the base of the hole at 237.5 m depth. CAU17 intersected an extensive sequence of gravel and sand dominated units in drill core from 146 m to 210 m depth, with gravel and sand units intersected from surface in the pre-collar. A clay / silt dominated unit was encountered near the bottom of the hole between 210 and 237 m depth. Brine sampling in CAU17 was conducted with a bailer device and three samples were obtained within the gravel unit at 178, 185 and 203 m depth. The lithium concentrations ranged between 549 and 606 mg/l and averaged 571 mg/l lithium and 4,488 mg/l potassium. The Mg/Li ratio of these samples was 2.3:1, identical to the producing Olaroz project to the north.

Brine chemistry results from CAU17 are very positive and suggest brine with elevated lithium concentrations may extend to the base of the outcropping sediments on the west of the Cauchari salar.

CAU15 is the southern-most hole drilled in the NW sector to date and is located approximately 6.5 km south of CAU16 for which results were released in November 2017. The brine body defined to date in the NW sector extends over a distance of 14 km from CAU17 and CAU18 in the north to CAU15 in the south as shown in Figure 1. All diamond core holes in the NW Sector (CAU07 [completed as a rotary hole], CAU15, CAU16, CAU17 and CAU18 have intersected significant intervals of sand and gravel dominated units with a relatively high permeability that are expected to support relatively high pumping rates and facilitate future brine extraction.

SE SECTOR - CAU12 and CAU13 Results

Results have been received from core holes CAU12 and CAU13 in the south of the SE Sector area. These diamond holes intersected a sequence of halite and clay dominated units that are interbedded with sand dominated units. Sand dominated units were intersected in CAU12 from 358 m depth to the base of the hole at 413 m, and in CAU13 from 407 m depth to the end of the hole at 449 m. These sand dominated units are thought to correlate with the sand units intersected in the base of rotary hole CAU11. The pumping test in CAU11 was carried out at a flow rate of 19 L/s as reported in February 2018.

Brine chemistry analyses from CAU13 averaged 435 mg/l lithium and 4,088 mg/l potassium over the interval from 39 m to 281 m depth; no samples were successfully obtained from the deeper sand unit. Brine chemistry analyses of CAU12 averaged 305 mg/l lithium and 3,048 potassium from the depth interval between 25 m to 169 m; no samples were successfully obtained from the deeper sand unit. The Mg/Li ratio of these brines averages 2.7:1 and 2.5:1 respectively, marginally higher than in holes further to the north. Additional deeper drilling is planned for the SE Sector to provide additional information on the deeper sand unit.

Diamond Drilling of CAU14

Diamond hole CAU14 has reached a depth of 445 m. Conclusion of CAU14 will complete Phase 2 of the work program at Cauchari and will be the last hole to be included in the upcoming resource estimate.

Phase 3 drilling will start during May 2018 with new drilling equipment being mobilized to site. This program will target further definition of the deep sand-dominated units in the SE Sector which are currently at depths beyond the capability of the current drilling equipment.

Figure 1: Location of CAU17 and other Cauchari drill holes (CNW Group/Advantage Lithium Corp)

The technical information in this news release has reviewed and approved on behalf of the company by Mr Frits Reidel, a "Qualified Person" as defined in NI 43-101.

ADVANTAGE LITHIUM CORP.

Per:

"David Sidoo"




David Sidoo, President


Tel: 604.343.3760 | Fax: 604.683.1585


Email: info@advantagelithium.com

Table 1: Hole locations and details

Exploration Hole

Number

Sector

Total Depth (m)

Depth Installed Well (m)

Assay Interval (m)

Lithium (mg/l avg)

Potassium (mg/l avg)

Drilling Method

Coordinates Gauss Kruger Argentine*

Zone3 Posgar

Elevation Mean Sea Level (m)+

Azimuth

Dip

Easting

Northing

CAU07

NW

343

325

135-343

601

4,853

Rotary

3,421,199

7,383,989

3,940

0

-90

CAU08

SE

400

400

50-400

517

5,319

Rotary

3,423,941

7,374,495

3,900

0

-90

CAU09

SE

400

400

60-400

662

6,137

Rotary

3,423,775

7,377,806

3,900

0

-90

CAU10

SE

429

340

50-340

682

6,516

Rotary

3,425,530

7,379,295

3,900

0

-90

CAU11

SE

480

476

50-476

515

4,577

Rotary

3,421,757

7,372,564

3,900

0

-90

CAU12

SE

413

210

25-169

305

3,048

Diamond

3,421,693

7,374,673

3,900

0

-90

CAU13

SE

449

242

39-281

435

4,088

Diamond

3,422,773

7,376,283

3,900

0

-90

CAU14

SE

Drilling underway

Diamond

3,425,664

7,376,998

3,900

0

-90

CAU15

NW

244

210

102-234.5

407

3,196

Diamond

3,419,288

7,373,385

3,900

0

-90

CAU16

NW

322

202

14-298

436

3,608

Diamond

3,419,935

7,379,900

3,900

0

-90

CAU17

NW

237.5

tbc

178-203

571

4,488

Diamond

3,419,964

7,387,429

3,945

0

-90

CAU18

NW

359.0

359

165-320

476

3,775

Diamond

3,422,580

7,386,975

3,940

0

-90

* Gauss Kruger Zone 3, using the POSGAR Datum. Hand held GPS locations, not yet confirmed by surveying

+ Nominal elevations from DEM. Hole elevations to be confirmed by surveying.

About Advantage Lithium Corp.
Advantage Lithium Corp. is a resource company specializing in the strategic acquisition, exploration and development of lithium properties and is headquartered in Vancouver, British Columbia. The common shares of the company are listed on the TSX Venture Exchange (TSX-V:AAL), and the company is also traded on the OTCQX Best Market in the U.S. (OTCQX: AVLIF). The company has acquired a 100% interest in five projects in Argentina and has acquired a 75% interest in a sixth, called Cauchari. The Cauchari project is located just 20 km south of Orocobre's flagship Olaroz Lithium Facility.

Further information about the Company can be found at www.advantagelithium.com.

Cautionary Statement:
Certain information contained in this press release constitutes "forward-looking information", within the meaning of Canadian legislation. Generally, these forward-looking statements can be identified by the use of forward-looking terminology such as "is expected","intends", or "has the potential to". Forward looking statements contained in this press release may include statements regarding the future operating or financial performance of Advantage that involve known and unknown risks and uncertainties which may not prove to be accurate. Actual results and outcomes may differ materially from what is expressed or forecasted in these forward-looking statements. Such statements are qualified in their entirety by the inherent risks and uncertainties surrounding future expectations. The forward-looking statements included in this press release are made as of the date of this press release and the Company disclaims any intention or obligation to update or revise any forward-looking statements, whether as a result of new information, future events or otherwise, except as expressly required by applicable securities legislation.

Neither TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.

SOURCE Advantage Lithium Corp

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