Rainbow Rare Earths Ltd (LSE: RBW) is an LSE listed and Guernsey-based mining company. The Company’s principal activity is the development of a rare earth minerals project in South Africa and the opportunity to utilize the associated processing technology at other global rare earth opportunities, including but not limited to opportunities in Brazil.

Key Investment Rationale – Speculative Buy at GBX 19.80

• Pioneering a Disruptive, Low-Cost Business Model: Rainbow extracts Rare Earth Elements from fertilizer waste, bypassing traditional mining costs. This positions its Phalaborwa project at the industry's lowest cost curve, suggesting it has one of the highest potential operating margins outside China.
• Strategic Positioning Amidst Supply Chain Fragmentation: Rainbow benefits from China's REE export controls, creating demand for non-Chinese supply. Its South African and Brazilian projects, backed by the U.S. DFC, align with Western strategic interests, de-risking offtake and financing.

• High-Value Product Mix Targeting Magnet Criticality: Rainbow's output focuses on high-value NdPr oxide and a "SEG+" mix containing Dysprosium and Terbium. These are critical for EV and defence magnets, with the SEG+ product addressing a severe supply bottleneck and commanding premium prices.

• Scalable Platform with Multiple Growth Vectors: Rainbow's technology platform is replicable, extending beyond Phalaborwa. Its partnership with Mosaic in Brazil and evaluations in Saudi Arabia, Morocco, and Canada create a pipeline for capital-light, multi-jurisdictional expansion.

RBW Daily Chart & Valuation

One Year Technical Price Chart (as of November 26, 2025). Source: REFINITIV, Analysis: Kalkine Group 

As per the above-mentioned price action and technical indicators analysis, a ‘Speculative Buy’ rating has been given on Rainbow Rare Earths Ltd (LSE: RBW) at the Current Market Price of GBX 19.80, as of November 26, 2025, at 08:50 AM GMT.

Markets are trading in a highly volatile zone currently due to certain Macro & Micro-economic data and prevailing geopolitical tensions. Therefore, it is prudent to follow a cautious approach while investing.

Note 1: Past performance is not a reliable indicator of future performance.

Note 2: The reference date for all price data, currency, technical indicators, support, and resistance levels is 26 November 2025. The reference data in this report has been partly sourced from REFINITIV.

Note 3: Investment decisions should be made depending on an individual's appetite for upside potential, risks, holding duration, and any previous holdings. An 'Exit' from the stock can be considered if the Target Price mentioned as per the Valuation and or the technical levels provided has been achieved and is subject to the factors discussed above.

Note 4: Target Price refers to a price level which the stock is expected to reach as per the relative valuation method and/or technical analysis taking into consideration both short-term and long-term scenario.

Note 5: ‘Kalkine reports are prepared based on the stock prices captured either from the London Stock Exchange (LSE) and or REFINITIV. Typically, both sources (LSE and or REFINITIV) may reflect stock prices with a delay which could be a lag of 15-20 minutes. There can be no assurance that future results or events will be consistent with the information provided in the report. The information is subject to change without any prior notice.’

Note 6: Dividend Yield may vary as per the stock price movement.