Highlights

  • Production increased to 710 tonnes during the June 2026 quarter, while plant utilisation improved to 85% of capacity.
  • Inventory rose to 1,696 tonnes to support anticipated European demand later in the year.
  • The company progressed development of higher lanthanum-content products and advanced preparations for patent applications.
  • Changxing subsidiary secured wastewater discharge approval, enabling higher production without significant capital expenditure.
  • Cash balance stood at AUD 3.5 million at 30 June 2026, with an estimated funding runway of around five quarters.

Phoslock Environmental Technologies Limited (ASX:PET) has released its June 2026 Quarterly Activities Report and Appendix 4C, outlining operational progress across manufacturing, product development and production capability while also detailing its financial performance for the quarter. The update highlighted improved manufacturing output, continued research initiatives and preparations to support anticipated customer demand in key overseas markets.

During the morning session on 15 July 2026, shares of Phoslock Environmental Technologies rose 16.67% to AUD 0.007 following the quarterly update. Despite today's gain, the stock remains down approximately 30.00% over the past year.

Founded to address water quality challenges, Phoslock Environmental Technologies develops products designed to improve freshwater ecosystems by permanently removing excess phosphorus from lakes, reservoirs, rivers and canals. Headquartered in Sydney, the company operates its manufacturing facility in Changxing, China, while maintaining offices across China, Europe and the United States. Through distributors, licensees and commercial partners, Phoslock markets its flagship lanthanum modified bentonite product, Phoslock®, across multiple international markets where it has approvals for use in drinking water treatment applications.

Production Recovery Improves Manufacturing Performance

One of the key operational developments during the June quarter was the notable improvement in manufacturing activity at the Changxing production facility. Total production reached 710 tonnes during the quarter, almost doubling from the 356 tonnes produced during the March 2026 quarter.

According to the company, production benefited from reduced disruption compared with the previous quarter. Although recommissioning issues and equipment failures that affected operations earlier in the year continued to some extent, their impact eased during the June period, allowing manufacturing output to improve.

Plant utilisation also increased meaningfully during the quarter. The facility operated at approximately 85% of its installed production capacity of 14 pallets per day, compared with around 65% utilisation achieved during the previous quarter. The higher operating rate reflects improved plant availability while providing additional manufacturing flexibility should customer demand strengthen.

Inventory Builds Ahead of Expected European Demand

Alongside higher production, Phoslock continued building finished product inventory to prepare for expected customer requirements later in the calendar year.

Product inventory increased to 1,696 tonnes as at 30 June 2026, including 756 tonnes held in China. Management indicated that inventory accumulation is expected to continue during the September quarter.

The company explained that this inventory strategy is intended to position the business to meet projected demand from European customers during the December quarter, should anticipated orders materialise. Europe remained the company's largest sales region during the June quarter, making inventory planning an important operational consideration.

Europe Continues to Lead Quarterly Sales

Sales volume during the June quarter totalled 189 tonnes, slightly below the 197 tonnes recorded during the corresponding period last year.

Europe continued to account for the majority of product sales, contributing 72% of quarterly volume. The United States represented the second-largest market, accounting for 24% of sales, while China and Australia generated comparatively smaller contributions.

Although quarterly sales receipts were lower than the previous corresponding period, the company maintained its focus on servicing its principal overseas markets while preparing production capacity for future demand.

Wastewater Approval Supports Future Manufacturing Capacity

Another operational milestone announced during the quarter involved the company's Changxing manufacturing subsidiary.

Management confirmed that the subsidiary has received approval to discharge a specified volume of wastewater that meets the required minimum quality standards.

The approval is expected to improve production flexibility by allowing the plant to process larger wastewater volumes without requiring significant additional capital investment for treatment infrastructure. As a result, the company believes it can increase production when required while avoiding major expenditure on plant upgrades.

Research Program Advances Higher Lanthanum Products

Phoslock also reported continued progress across its research and development activities aimed at expanding its product portfolio.

During the quarter, several tonnes of a product containing 10% lanthanum were successfully manufactured using the commercial production facility. According to the company, the material retained both its phosphorus-binding capability and free lanthanum characteristics.

Bulk product samples are now being prepared for independent laboratory testing in both the United States and Europe, where in-lake trials are planned. Additional testing opportunities are also being evaluated within China.

Beyond the commercial-scale production of the 10% lanthanum formulation, laboratory-scale testing also produced encouraging results using a formulation containing 15% lanthanum later in the quarter.

The company stated that preparations are well advanced for patent applications covering these products as development work continues.

Financial Position Reflects Lower Sales Receipts

At 30 June 2026, Phoslock held cash and cash equivalents of AUD 3.526 million, compared with AUD 4.313 million at the end of the March quarter.

Overall cash declined by AUD 787,000 during the June quarter.

Operating activities recorded a cash outflow of AUD 751,000, compared with an operating cash deficit of AUD 475,000 during the June quarter of 2025. Management attributed the larger operating deficit primarily to significantly lower customer receipts, while operating expenditure declined by a smaller amount.

Sales receipts for the quarter totalled AUD 501,000, compared with AUD 466,000 in the March quarter and AUD 823,000 during the June quarter of 2025.

Net operating outlays amounted to AUD 1.253 million during the June quarter. These costs included AUD 175,000 of legal expenses, net of insurance reimbursements.

Investing activities resulted in a relatively modest cash outflow of AUD 13,000 during the quarter, with no financing cash flows recorded.

The company also noted that foreign exchange movements reduced cash balances by approximately AUD 22,000 during the reporting period.

Based on current operating cash usage, Appendix 4C indicated the company has an estimated funding runway of approximately five quarters.

Quarterly Cash Flow Remains Volatile

Management cautioned investors against extrapolating quarterly cash flow trends, noting that quarterly financial performance can fluctuate significantly.

Historical quarterly cash flow data illustrates this variability. Cash generated from operating activities ranged from a positive AUD 129,000 during the December 2025 quarter to operating deficits in other reporting periods.

Similarly, sales receipts have varied materially across recent quarters, reflecting the timing of customer orders and project activity.

Legal Proceedings Continue

The company also provided an update regarding ongoing legal matters.

Phoslock continues managing legacy legal proceedings, including the shareholder class action initiated in the Federal Court by the Banton Group.

Management confirmed that mediation held on 11 June 2026 concluded without reaching a resolution. As a result, court proceedings will continue in accordance with judicial directions.

While the company stated it cannot predict the outcome of these matters, it reaffirmed its intention to comply with all regulatory obligations while continuing to defend its position.

Operational Priorities Remain Focused on Market Demand and Innovation

The June quarter demonstrates that Phoslock continues balancing operational improvements with product innovation while managing near-term financial pressures.

Production increased materially following improved plant performance, inventory levels were expanded to support potential European demand, and research programs advanced next-generation lanthanum-based products toward broader testing and potential intellectual property protection.

At the same time, the company continues monitoring cash usage, managing ongoing legal matters and preparing manufacturing capacity that may be required should anticipated customer demand strengthen later in the year.

What This Means for Investors

Phoslock Environmental's latest quarterly update reflects progress across manufacturing operations, inventory planning and product development. Higher production levels, improved plant utilisation, wastewater discharge approval and continued advancement of higher lanthanum formulations represent operational developments during the period. Meanwhile, lower sales receipts contributed to a larger operating cash deficit, although the company finished the quarter with AUD 3.526 million in cash and an estimated funding runway of around five quarters. Investors are likely to continue monitoring execution across production, sales activity, research initiatives and legal proceedings in coming quarters.