Research from Water Tower Research, Water Tower Research

Water Tower Research

Research from Water Tower Research

Water Tower Research is a leading equity research firm that provides research on micro, small and mid cap companies.

Water Tower Research was founded by Wall Street veterans after witnessing a fundamental shift in the investment research industry with the result being a declining knowledge base among investors, a lack of awareness and a shrinking pool of fundamental research being conducted on companies across the small-cap and micro-cap spectrum. The same issues are now increasingly occurring in the mid-cap space. This sea change within the investment community is impacting not only the companies themselves but also current shareholders and potential investors. With significantly less active sell-side sponsorship by Wall Street, a substantial information gap has developed between companies and various constituents in the financial community. The net result is fewer channels for insight and information to flow between companies and investors.

Equity Research Firm

Equity Bottom-Up

<ul><li>Residential solar energy evolves from incentives to essential infrastructure, driven by soaring utility rates, grid instability, and electrification.</li><li>RNG dominated 2025 natural gas vehicle fuel at 94%, displacing 11 million tonnes CO2e, equivalent to 28 billion passenger miles or 11 million forest acres.</li><li>Colorado-Wyoming MOU coordinates cross-border CCS permitting with notifications and consultations, easing developer hurdles while safeguarding environment.</li></ul>

Residential solar energy evolves from incentives to essential infrastructure, driven by soaring utility rates, grid instability, and electrification.RNG dominated 2025 natural gas vehicle fuel at 94%, displacing 11 million tonnes CO2e, equivalent to 28 billion passenger miles or 11 million forest acres.Colorado-Wyoming MOU coordinates cross-border CCS permitting with notifications and consultations, easing developer hurdles while safeguarding environment.

Sustainable Investing Surveyor : Focus on Fuel Tech, Inc. (FTEK) - 11 May 2026

Thematic (Sector/Industry)

<ul><li>The WTR Sustainable Index was up 2.7% W/W versus the S&amp;P 500 Index (up 3.4%), the Russell 2000 Index (up 3.0%), and the Nasdaq Index (up 4.2%).</li><li>Energy Technology (13.1% of the index) was up 4.8%, while Industrial Climate and Ag Technology (48.2% of the index) was up 3.8%, ClimateTech Mining was up 1.4%, and Advanced Transportation Solutions (20.8% of the index) was up 2.7%.</li><li>Top 10 Performers: QS, HYSR, AEVA, EFOI, COMM, WAVE, FTEK, AYRO, ENVX, AMSC</li></ul>

The WTR Sustainable Index was up 2.7% W/W versus the S&amp;P 500 Index (up 3.4%), the Russell 2000 Index (up 3.0%), and the Nasdaq Index (up 4.2%).Energy Technology (13.1% of the index) was up 4.8%, while Industrial Climate and Ag Technology (48.2% of the index) was up 3.8%, ClimateTech Mining was up 1.4%, and Advanced Transportation Solutions (20.8% of the index) was up 2.7%.Top 10 Performers: QS, HYSR, AEVA, EFOI, COMM, WAVE, FTEK, AYRO, ENVX, AMSC

Sustainable Investing Surveyor - Focus on AMRC

<ul><li>Last week, the WTR Sustainable Index was up 2.1% W/W versus the S&amp;P 500 Index (up 1.6%), the Russell 2000 Index (up 0.3%), and the Nasdaq Index (up 1.9%).</li><li>Energy Technology (43% of the index) was up 3.3%, while Transportation Solutions (33% of the index) was up 2.0%, Climate Tech and Clean Tech (18% of the index) was up 1.4%, and Climate Tech Mining and Processing (7% of the index) was down 1.1%.</li><li>Top 10 Performers: SAENF, SNRG, ASYS, RAIN, SKYQ, KARX, BLNK, NEOV, LBNKF, MVST</li></ul>

Last week, the WTR Sustainable Index was up 2.1% W/W versus the S&amp;P 500 Index (up 1.6%), the Russell 2000 Index (up 0.3%), and the Nasdaq Index (up 1.9%).Energy Technology (43% of the index) was up 3.3%, while Transportation Solutions (33% of the index) was up 2.0%, Climate Tech and Clean Tech (18% of the index) was up 1.4%, and Climate Tech Mining and Processing (7% of the index) was down 1.1%.Top 10 Performers: SAENF, SNRG, ASYS, RAIN, SKYQ, KARX, BLNK, NEOV, LBNKF, MVST

Sustainable Investing Surveyor Focus on Fuel Tech

Calumet Specialty Products Par / Equity Bottom-Up

<ul><li>The WTR Sustainable Index was down 3.1% W/W versus the S&amp;P 500 Index (down 2.6%), the Russell 2000 Index (down 3.5%), and the Nasdaq Index (down 2.4%).</li><li>Energy Technology (12.4% of the index) was down 5.3%, while Industrial Climate and Ag Technology (47.7% of the index) was down 2.4%, ClimateTech Mining was down 2.6%, and Advanced Transportation Solutions (21.5% of the index) was down 3.7%.</li><li>Top 10 Performers: LTBR, NHHH, BNET, FTEK, SX, FCEL, VVPR, EGT, DNMR, TMC</li></ul>

The WTR Sustainable Index was down 3.1% W/W versus the S&amp;P 500 Index (down 2.6%), the Russell 2000 Index (down 3.5%), and the Nasdaq Index (down 2.4%).Energy Technology (12.4% of the index) was down 5.3%, while Industrial Climate and Ag Technology (47.7% of the index) was down 2.4%, ClimateTech Mining was down 2.6%, and Advanced Transportation Solutions (21.5% of the index) was down 3.7%.Top 10 Performers: LTBR, NHHH, BNET, FTEK, SX, FCEL, VVPR, EGT, DNMR, TMC

Sustainable Investing Surveyor Focus on Calumet (CLMT)

United States

Fuel Tech, Inc. develops and commercializes air pollution control technologies and provides engineering services.  The Company's NOxOUT process is used in the development of post-combustion nitrogen oxide control systems.

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Fuel Tech (FTEK US)

Sustainable Investing Surveyor : Focus on Fuel Tech, Inc. (FTEK) - 11 May 2026

Residential solar energy evolves from incentives to essential infrastructure, driven by soaring utility rates, grid instability, and electrification.

Water Tower Research

Sustainable Investing Surveyor - Focus on AMRC

The WTR Sustainable Index was up 2.7% W/W versus the S&P 500 Index (up 3.4%), the Russell 2000 Index (up 3.0%), and the Nasdaq Index (up 4.2%).

Water Tower Research

Sustainable Investing Surveyor Focus on Fuel Tech

Last week, the WTR Sustainable Index was up 2.1% W/W versus the S&P 500 Index (up 1.6%), the Russell 2000 Index (up 0.3%), and the Nasdaq Index (up...

Water Tower Research

Sustainable Investing Surveyor Focus on Calumet (CLMT)

The WTR Sustainable Index was down 3.1% W/W versus the S&P 500 Index (down 2.6%), the Russell 2000 Index (down 3.5%), and the Nasdaq Index (down...

Water Tower Research

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