Solar Impulse Foundation: 1000 efficient solutions 12 Solvay solutions

1 A fruitful historical partnership Solar impulse & Solvay: Game-changing clean technologies take flight!

Since 2004, Solvay’s technologies have contributed to SI1 and SI2 aircraft’s energy capture and storage, endurance and safety and above all to its lightweighting.

As a result, in 2016, the first ever Round-The-world Solar Flight, flying zero emissions, landed after it’s 40,000km journey.

page 2 12 Solvay Solutions12 Solvaylabeled Solutions by Solar labeledImpulse by Foundation Solar Impulse Foundation for Efficient Solutions

Solar Impulse & Solvay: reinventing progress and make the impossible even more possible!

Since 2016, we pursue this historic partnership as a partner of the World Alliance for Efficient Solutions created by the Solar Impulse Foundation. The Foundation aims to identify "#1000Solutions to Today, the 1000 change the world" designed to shed light solutions milestone on solutions that are has been achieved! both profitable and sustainable. page 3 12 Solvay Solutions labeled by Solar Impulse Foundation Discover Solvay’s 12 Solutions labeled by the Solar Impulse Foundation!

page 4 12 Solvay Solutions labeled by Solar Impulse Foundation In line with our Solvay One Planet Goals

CLIMATE RESOURCES BETTER LIFE

Fight against Embed Improve climate crisis circular business quality of life

® ™ ® AgRHO S-Boost Solef PVDF ® ® ® Capterall Alve-One

SOLVAir ® ® Paramove Solvaclean ® ™ Amni Soul Eco SolvaLite ® ® Oxystrong 15 OPtalys ® MAX HT *One solution may have more than one impact

page 5 12 Solvay Solutions labeled by Solar Impulse Foundation Solef® PVDF Higher energy density and longer 1 cycle life for Li-Ion batteries GBU Specialty Polymers Solef® PVDF brings many advantages to the performance and the durability of electric vehicles, and more in details to the lithium batteries when used as a binder and in the GLOBAL TRENDS design of the separator. Electrification Solef® PVDF is already well assessed in many specialty applications such as oil and gas, semiconductors, membranes for water filtration, plumbing, architectural coatings and SUSTAINABLE DEVELOPMENT . GOALS

Climate

-1.67 Mt CO2 * * use phase assuming decarbonized electricity WEB PAGE page 6 12 Solvay Solutions labeled by Solar Impulse Foundation SOLVAir®

A highly efficient flue-gas process 2 GBU for exhaust gas treatment Soda Ash & Derivatives Effective and simple, the SOLVAir® sodium-based solutions is a dry sorbent injection process for air emission control. GLOBAL TRENDS When in contact with flue gases, it effectively Resource Efficiency neutralizes the acids to mitigate pollutants. The acid neutralization reaction begins as soon as the sodium-based solution is in contact with the SUSTAINABLE DEVELOPMENT acid gases. GOALS

-99% 88%+ Climate SOx, HF Energy & HCI emissions conversion WEB PAGE page 7 12 Solvay Solutions labeled by Solar Impulse Foundation Solvaclean® Cleaning the semiconductor tools 3 GBU with lower environmental impact Special Chem

Semiconductor chip manufacturers use a variety of gases (NF3,SF6,C2F6) in their processes to GLOBAL TRENDS pattern silicon wafers. These fluorinated gases have a Global Warming potential from 7000 to IoT/Digitalization 23000 CO2 equivalents per kg released, while Solvaclean® has zero. After a number of wafers are processed, the process chambers must be SUSTAINABLE DEVELOPMENT cleaned. To meet the need of the GOALS semiconductor industry, Solvay developed and patented different fluorine gas mixtures as environmentally friendly gases for CVD cleaning processes.

Climate

-100% of CO2 emissions * If C2F6 replaced by Solvaclean

WEB PAGE page 8 12 Solvay Solutions labeled by Solar Impulse Foundation SolvaLiteTM Solvay’s range of thermoset 4 composites specifically developed GBU for high volume automotive Composite Materials applications

SolvaLite™ provides a fast-curing, innovative GLOBAL TRENDS solution which reduces the weight of vehicles by serving as a light-weight alternative to Lightweighting metals, helping to reduce emissions and fuel consumption.

SUSTAINABLE DEVELOPMENT GOALS

Climate 50% lighter than metal

WEB PAGE page 9 12 Solvay Solutions labeled by Solar Impulse Foundation OPtalys®

Rare earth-based formulations 5 GBU improving performance of Special Chem catalytic convertors to reduce automotive emissions. GLOBAL TRENDS

OPtalys® materials are tailored to meet the Resource Efficiency exact requirements of individual customers. It is a high stability inorganic Oxygen-buffer material that enhances the catalytic activity and SUSTAINABLE DEVELOPMENT the durability of the advanced gasoline catalytic GOALS converters.

Climate

+50% CO2 +90% Exhaust emissions reduction* pollutants reduction * with Gasoline Hybrid EV WEB PAGE page 10 12 Solvay Solutions labeled by Solar Impulse Foundation AgRHO® S-Boost™

A biostimulant heralding a cleaner 6 GBU future for farming Novecare

AgRHO® S-Boost stimulates root development by favoring and optimizing water and nutrient absorption by the seed in the ground. GLOBAL TRENDS Made out of Guar, a legume cultivated in Eco-friendly based Northern India, the biostimulant enables plants solutions to grow stronger and faster. SUSTAINABLE It also reduces the use of fertilizers and water in DEVELOPMENT the fields allowing farmers to grow crops more GOALS efficiently and sustainably.

3% or -13% Resources Improvement yield fertilizer WEB PAGE page 11 12 Solvay Solutions labeled by Solar Impulse Foundation Capterall® A non-toxic adsorbent 7 contributing to the GBU Soda Ash & environmental water ecosystem Derivatives

Capterall® solution enables the capture of a large variety of pollutants from wastewater, offering a good way for our customers to be GLOBAL TRENDS compliant with current and future Resource Efficiency environmental regulations. The process treats polluted water with a non-toxic, mineral-based product. SUSTAINABLE DEVELOPMENT GOALS

Resources amount of heavy metals 30+ captured from wastewater

WEB PAGE page 12 12 Solvay Solutions labeled by Solar Impulse Foundation Paramove® A clean and efficient hydrogen 8 peroxide-based treatment helping GBU Peroxides eliminate sea lice from salmon

Paramove® is a substance found in nature, designed for use as part of a veterinary controlled rotational treatment programme. GLOBAL TRENDS It is used by fish farmers under prescription of Resource Efficiency veterinarians and under control of local authorities to remove sea lice and therefore helping the farmers to secure their turnover by harvesting healthy salmon. SUSTAINABLE DEVELOPMENT GOALS

Resources 30-50% fewer losses due to sea lice

Salmon safe to eat immediately after treatment

WEB PAGE page 13 12 Solvay Solutions labeled by Solar Impulse Foundation Amni® Soul Eco The first polyamide yarn in the world 9 with enhanced biodegradability GBU offering the ability for biodegradable Coatis clothing.

Amni Soul Eco® is the first polyamide 6.6 yarn GLOBAL TRENDS in the world with enhanced biodegradability offering the ability for garments to degrade ten Resource Efficiency times faster than conventional polyamides making fashion truly eco-sustainable. SUSTAINABLE DEVELOPMENT GOALS

Resources 100% recyclable and reusable

WEB PAGE page 14 12 Solvay Solutions labeled by Solar Impulse Foundation Oxystrong® 15 A highly effective biocide for 10 reuse in irrigation of disinfected GBU Peroxides wastewaters.

Agricultural sector uses about 70-80% of the global water resources, almost three times the water quantity used by the industrial sector. GLOBAL TRENDS The implementation of Solvay Solution Oxystrong® 15 at Milan Water Treatment Station Resource Efficiency allows to reach high quality standards for water reuse in irrigation. Oxystrong® 15 disinfects treated municipal waters SUSTAINABLE without generating toxic chlorinated by products DEVELOPMENT while having a lower economical average impact GOALS versus mainstream physical alternative like UV lamps irradiation.

Resources -10% reduction in CO2 emissions* * compared to sodium hypochlorite

WEB PAGE page 15 12 Solvay Solutions labeled by Solar Impulse Foundation MAX HT® Sustainable scale control technology 11 in alumina production GBU Technology Solutions MAX HT® eliminates a legacy production challenge in alumina refineries: the formation of sodalite scale in heat exchangers. As a result, alumina refineries avoid downtime previously GLOBAL TRENDS needed to clean heat exchanger blockages while reducing water (steam) use, thereby Resource efficiency improving energy efficiency and decreasing emissions.

SUSTAINABLE DEVELOPMENT GOALS

Resources -20% need for injection of fresh water

WEB PAGE page 16 12 Solvay Solutions labeled by Solar Impulse Foundation Alve-One®

A chemical blowing agent improving 12 GBU plastic foams' sustainability profile Soda Ash & Derivatives Alve-One® is a range of tailor made foaming agents for multiple industries (automotive, construction, packaging, ...) with improved GLOBAL TRENDS impact for the environment. Lightweighting Entirely inorganic-based, It’s a 100% safe, performant and cost effective replacement for ADCA in plastic foam applications. SUSTAINABLE DEVELOPMENT GOALS

Better Life 100% Safe ingredients formulation that pose no issues to human health

WEB PAGE page 17 12 Solvay Solutions labeled by Solar Impulse Foundation Developing game-changing partnerships to make the impossible even more possible!

“Solvay is showing that solutions improving the quality of life on earth and making our planet a better place for humans already exist.”

Bertrand Piccard, Chairman of the Solar Impulse Foundation

page 18 12 Solvay Solutions12 Solvaylabeled Solutions by Solar labeledImpulse by Foundation Solar Impulse Foundation 12 Solutions TODAY!

What about TOMORROW?

solvay.com 12 Solvay Solutions labeled by Solar Impulse Foundation