AMBERLITE™ Ion Exchange ResinsA Rich History United Under One Trusted Portfolio

Water Treatment in Industrial and Power Market Segments

®™Trademark of The Dow Chemical Company (“Dow”) or an affiliated company of Dow. DuPont is a trademark of E. I. du Pont de Nemours and Company or its affiliates

Agenda

• A rich history of ion exchange technology and case for change• The new AMBERLITE™ ion exchange resin portfolio for water treatment in

industrial and power market segments• Impact of consolidation to you• Critical dates for transition• Material to support you during transition• Regulatory position• Dow support beyond products• Key questions to discuss

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Styrene-DVBpolymerizationchemistry introducedto IX

WAC, SAC, WBA andSBA introduced withsignificant capacityand durabilityimprovements

Acrylic resins

First mixed beds

A Rich History of Ion Exchange Technology in IWT & PowerGenerationPartnering with industry to solve challenging water treatment needs and deliver sustained value over decades

DOW CONFIDENTIAL - Do not share without permission 3

World

1935 1939 1940 1945 1950 1970 1980 1990 2009 2017 2018

Synthetic IX resinsdiscovered

First cation and anion resinavailable commercially

Rohm and Haas obtainsthe rights to manufacture IX

Birth of AMBERLITE™ IXResins

Patent for sulfonating acopolymer of styrene anddivinylbenzene published

Development ofstrong base anionresins

Resins consideredfor deionizationrather than onlydemineralization

Growth in power industryincreases size of resininstallationsAttention addressed to CPP anddriving performanceimprovements in fossil andnuclear power plants

Perfection in regeneration ofmixed beds systems required

Age of regulations – start ofsustainability and industrialwastewater treatment

Dow andDuPont merge

Macroporous resinsAMBERLITE™ 200 -now IRC200Na- created

IRN150 used in the 1st nuclearsubmarine

DOWEX MONOSPHERE™ and DOWEXMARATHON™ UPS resins launched

Acquisition of DUOLITE™Higher purity nuclear resins: IRN78launched

DOWEX™ UPCORE™and AMBEPACK™packed bedtechnologies launched

AMBERJET™ UPSresins

Higher oxidativestability with 16%crosslinking

Heavy mixed-bed resindevelopment including narrowerparticle size distribution resins

First line of AMBERSEP™cations and anions along withinert beads.

NewAMBERLITE™portfolioavailable

High capacity styrenic resin beads commercialized,among them IR-120 (now IRC120 H/Na).

The Dow Chemical Company begins to manufactureion exchange resins, among them DOWEX™ 1Resins

Prevention of kinetic impairment inCPP with DOWEXMONOSPHERE™ 1400 PC -NowAMBERLITE HPR1400 H

2012

Dow acquiresR&H

The feasibility of nuclearfusion proved DuPontNylon stockings introduced

Evolution of nuclear energyfor power generation

Age of mergers

1960

Rich History United Under One Trusted Portfolio

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AMBERJET™AMBERLITE™AMBERSEP™DOWEX™DOWEX MARATHON™DOWEX MONOSPHERE™DOWEX™ UPCORE™MICROIONEX™

AMBERLITE™

A Stronger Core for a Stronger Partnership

As we look to the future, it has come time to consolidateand update our ion exchange resin portfolio for watertreatment in industrial and power market segments.

Continuing to provide trusted products to grow an industryleading portfolio and deliver a simplified offering, ourupdated AMBERLITE™ Ion Exchange Resin portfolioincludes industry classics under new names as well asnew breakthrough technologies.

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What Changes To Expect?• Simplified offering• Improved supply capability• Updated & clearer product positioning• Trademark consolidation –single brand• Uniform naming -consistent addition of ionic form• Harmonized, streamlined & upgraded product

specifications• Streamlined & more harmonized packaging• New GMIDs for placing orders

Online Product Replacement AdvisorEasy and simple product replacement finder always up to date to guide you through the changes in thefull portfolio

6Dow.com/AMBERLITE

Key differences (if any) totake into account whenusing/designing with newresin

Replacementproduct name

Link to detailed tech fact andreplacement FAQ to explainthe replacement differencesin detail

Explanation on level ofchange: product renaming ordiscontinuation

Easy dynamic search – useold product name or numberand options will populatebelow

Material to Support You Through Transition

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Data sheets &MSDS

WAVE(updated product list for few)

ProductDiscontinuation Tech

Facts & FAQ

Dow letter forEnd Users

Presentations-Product line

-Updated applicationpresentations

Simple product lists& application guides

Packaging optionspostcard

Onlinereplacement

advisor

Online portal for digitalaccess during pre-launch

phase

Cross referenceGMID list

Avai

labl

e in

1st

Augu

st

Updated Webpages

Product Datasheets: Necessary Information at Your Fingertips

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Product DescriptionDetailed features &benefits of the product

Resin PairingShows technically suitablecation/anion pairs for mixed bed,layered bed and condensatepolishing

ApplicationsRecommended applicationsand conditions for the product

Historical ReferencePrevious product nameshown for simplicity

System DesignsShows technically recommendedsystem design options

Discontinuation Tech Fact: Necessary Information at Your Fingertips

DOW CONFIDENTIAL - Do not share without permission 9

Reason for changeExplanation as to whydiscontinued and whatare the replacementproducts

Spec ComparisonSimplified sharingof corespecs/features

FAQCovers most commonfrequently asked questionsabout replacing one resinwith another

AMBERLITE™ Ion Exchange Resin Portfolio Naming Convention

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Application Trademark &Prefix Differentiator

IWTDemin

Organic Scavengers AMBERLITE™ SCAV

Co-flow systems (Gaussian) AMBERLITE™ IRC or IRA

Ready-Made Mixed Beds AMBERLITE™ MB

High Efficiency (UPS) & Packed Beds AMBERLITE™ HPR

PowerCondensate Polishing (UPS) AMBERLITE™ HPR

Nuclear Grade AMBERLITE™ IRN

AMBERLITE™ Ion Exchange Resin Portfolio Naming Convention

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TRADENAME™_LETTERSNUMBERS_IONICFORM_DESCRIPTOREXAMPLE: AMBERLITE™_HPR1600_H_ION_EXCHANGE_RESIN

• Product names harmonized toinclude delivered ionic form forsimplicity and to reduce the riskof using a wrong product

• Ionic form is described with thechemical symbol without chargeand valence, and without ()

Resin Type DeliveredIonic Form

NamingConvention

Example

WAC Hydrogen H AMBERLITE™ IRC83 HHydrogen H AMBERLITE™ HPR650 H

Sodium Na AMBERLITE™ HPR1200 Na

WBA Free Base - AMBERLITE™ HPR9600Chloride Cl AMBERLITE™ IRA900 Cl

Hydroxide OH AMBERLITE™ HPR9000 OHSulfate SO4 AMBERLITE™ HPR9000 SO4

SAC & SBAHydrogen &Hydroxide H/OH AMBERLITE™ IRN150 H/OH

SAC & SBA Lithium7 &Hydroxide

Li/OH AMBERLITE™ IRN217 Li/OH

SAC & SBA Lithium &Hydroxide

Li/OH AMBERLITE™ IRN164 Li/OH

Inerts Inert - i AMBERLITE™ 14i

SAC

SBAAnions

Cations

Mixed Beds

AMBERLITE™ Ion Exchange Resin Portfolio: HPR IWT

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• Highest-quality resin for use in industrialdemineralization and softening applications when highoperating performance, long resin life, simplified andcost-effective operation is required.

• Combines the best of DOWEX MONOSPHERE™,DOWEX MARATHON™, DOWEX™ UPCORE™ andAMBERJET™ Ion Exchange Resins

• Compatible with all system technologies and bedconfigurations:• Co-current, counter current systems, layered beds, packed beds

such as DOWEX™ UPCORE™ and AMBERPACK™, mixedbeds.

• Demineralization, condensate polishing, mixed bedpolishing, industrial softening, dealkalization

Typical Applications

CURRENT NAME NEW NAME TYPE MORPHOLOGY MATRIXDOWEX™ MARATHON™ C Na AMBERLITE™ HPR1100 Na SAC Gel StyrenicDOWEX MARATHON™ 1200 H AMBERLITE™ HPR1200 H SAC Gel StyrenicDOWEX MARATHON™ 1200 Na AMBERLITE™ HPR1200 Na SAC Gel StyrenicDOWEX MARATHON™ 1300 H AMBERLITE™ HPR1300 H SAC Gel StyrenicDOWEX MARATHON™ 1300 Na AMBERLITE™ HPR1300 Na SAC Gel

StyrenicDOWEX MONOSPHERE™ 650C H AMBERLITE™ HPR650 H SAC Gel

StyrenicDOWEX MARATHON™ 4200 Cl AMBERLITE™ HPR4200 Cl SBA Gel StyrenicDOWEX MARATHON™ 4200 OH AMBERLITE™ HPR4200 OH SBA Gel

StyrenicDOWEX MARATHON™ 550A Cl AMBERLITE™ HPR4700 Cl SBA Gel StyrenicDOWEX MARATHON™ 550A OH AMBERLITE™ HPR4700 OH SBA Gel

StyrenicAMBERLITE™ IRA458RF Cl AMBERLITE™ HPR4580 Cl SBA Gel AcrylicAMBERLITE™ IRA478RF Cl AMBERLITE™ HPR4780 Cl SBA Gel AcrylicDOWEX™ MARATHON™ A Cl AMBERLITE™ HPR4800 Cl SBA Gel StyrenicDOWEX™ MARATHON™ A OH AMBERLITE™ HPR4800 OH SBA Gel StyrenicDOWEX™ MARATHON™ 11 AMBERLITE™ HPR4811 Cl SBA Gel StyrenicDOWEX™ MARATHON™ A2 AMBERLITE™ HPR4100 Cl SBA II Gel StyrenicDOWEX MONOSPHERE™ 550A OH AMBERLITE™ HPR550 OH SBA Gel StyrenicDOWEX MONOSPHERE™ 550A Cl AMBERLITE™ HPR550 Cl SBA Gel StyrenicAMBERLITE™ IRA67RF AMBERLITE™ HPR6700 WBA Gel AcrylicAMBERLITE™ IRA70RF AMBERLITE™ HPR7000 WBA Gel AcrylicDOWEX™ MARATHON™ MSC AMBERLITE™ HPR2900 H SAC Macro StyrenicDOWEX™ MARATHON™ MSC Na AMBERLITE™ HPR2900 Na SAC Macro StyrenicDOWEX MARATHON™ 8300 AMBERLITE™ HPR8300 H WAC Macro Acrylic

AMBERLITE™ HPR8400 H WAC Macro AcrylicAMBERJET™ 9000 OH AMBERLITE™ HPR9000 OH SBA Macro StyrenicAMBERJET™ 9000 SO4 AMBERLITE™ HPR9000 SO4 SBA Macro StyrenicDOWEX MARATHON™ 9100 Cl AMBERLITE™ HPR9100 Cl SBA II Macro StyrenicDOWEX™ MARATHON™ MSA AMBERLITE™ HPR9200 Cl SBA Macro StyrenicDOWEX™ MARATHON™ WBA AMBERLITE™ HPR9500 WBA Macro StyrenicDOWEX MARATHON™ 9600 AMBERLITE™ HPR9600 WBA Macro StyrenicAMBERLITE™ IRA96RF AMBERLITE™ HPR9700 WBA Macro Styrenic

AMBERLITE™ Ion Exchange Resin Portfolio: IRC & IRA

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• General-purpose demineralization and softening ionexchange resins with a long-established track record ofreliable performance in the industry.

• These industry staple resins are designed to provide along lifetime for co-flow regenerated systems in varietyof industrial water treatment applications.

• Demineralization, industrial softening, dealkalization

Typical Applications

CURRENT NAME NEW NAME TYPE MORPHOLOGY MATRIXAMBERLITE™ IR120 H AMBERLITE™ IRC120 H SAC Gel StyrenicAMBERLITE™ IR120 Na AMBERLITE™ IRC120 Na SAC Gel StyrenicAMBERLITE™ IRA402 Cl AMBERLITE™ IRA402 Cl SBA Gel StyrenicAMBERLITE™ IRA458 Cl AMBERLITE™ IRA458 Cl SBA Gel AcrylicAMBERLITE™ IRA410 Cl AMBERLITE™ IRA410 Cl SBA II Gel StyrenicAMBERLITE™ IRA67 AMBERLITE™ IRA67 WBA Gel AcrylicAMBERLITE™ 200C Na AMBERLITE™ IRC200 Na SAC Macro StyrenicAMBERLITE™ IRC83 AMBERLITE™ IRC83 H WAC Macro AcrylicAMBERLITE™ IRA900 Cl AMBERLITE™ IRA900 Cl SBA Macro StyrenicAMBERLITE™ IRA910 Cl AMBERLITE™ IRA910 Cl SBA II Macro StyrenicAMBERLITE™ IRA96 AMBERLITE™ IRA96 WBA Macro Styrenic

AMBERLITE™ Ion Exchange Resin Portfolio: SCAV

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• Scavengers for the removal of natural organic matter(NOM) to reduce the fouling potential of water.

• Can be used:• As an integrated part of the demineralization system• As a stand-alone pretreatment for reverse osmosis

or demineralization systems• A new, innovative scavenger concept available

• Scavenging, partial demineralization

Typical Applications

CURRENT NAME NEW NAME MORPHOLOGY MATRIXAMBERLITE™ SCAV1 AMBERLITE™ SCAV1 Gel AcrylicAMBERLITE™ SCAV2 AMBERLITE™ SCAV2 Macro AcrylicDOWEX™ TAN-1 AMBERLITE™ SCAV3 Cl Macro StyrenicAMBERLITE™ IRA958 Cl AMBERLITE™ SCAV4 Cl Macro Acrylic

AMBERLITE™ Ion Exchange Resin Portfolio: MB

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• Fully regenerated, ready-to-use, gaussian pre-mixedresins developed for the production of high purity waterin standard polishing applications.

• Demineralization, metal erosion, small cartridge filtration

Typical Applications

CURRENT NAME NEW NAME TYPE MORPHOLOGY MATRIXAMBERLITE™ MB9L AMBERLITE™ MB9L H/OH SAC/SBA Gel StyrenicAMBERLITE™ MB20 AMBERLITE™ MB20 H/OH SAC/SBA Gel StyrenicAMBERLITE™ MB6113 AMBERLITE™ MB6113 H/OH SAC/SBA Gel Styrenic

AMBERLITE™ Ion Exchange Resin Portfolio: HPR for Power

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• Highest-quality resin for use in condensate polishingwhen high operating performance, long resin life,simplified and cost-effective operation is required.

• Combines the best of DOWEX MONOSPHERE™,DOWEX MARATHON™ and AMBERJET™ IonExchange Resins

• Condensate polishing in the fossil and nuclear powerindustry

Typical Applications

CURRENT NAME NEW NAME TYPE MORPHOLOGY MATRIXDOWEX MONOSPHERE™ 650C H AMBERLITE™ HPR650 H SAC Gel StyrenicDOWEX MONOSPHERE™ 1400PC H AMBERLITE™ HPR1400 H SAC Gel StyrenicAMBERJET™ 1600 H AMBERLITE™ HPR1600 H SAC Gel StyrenicDOWEX MONOSPHERE™ 550A OH AMBERLITE™ HPR550 OH SBA Gel StyrenicDOWEX MONOSPHERE™ 550A Cl AMBERLITE™ HPR550 Cl SBA Gel StyrenicAMBERJET™ 2000 H AMBERLITE™ HPR2000 H SAC Macro StyrenicAMBERJET™ 2800 H AMBERLITE™ HPR2800 H SAC Macro StyrenicAMBERSEP™ 252 H AMBERLITE™ HPR252 H SAC Macro StyrenicAMBERJET™ 9000 OH AMBERLITE™ HPR9000 OH SBA Macro StyrenicAMBERJET™ 9000 SO4 AMBERLITE™ HPR9000 SO4 SBA Macro StyrenicAMBERSEP™ 900 OH AMBERLITE™ HPR900 OH SBA Macro StyrenicAMBERSEP™ 900 SO4 AMBERLITE™ HPR900 SO4 SBA Macro Styrenic

AMBERLITE™ Ion Exchange Resin Portfolio: IRN

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• Designed specifically for use in nuclear loops wherehighest resin purity and stability are required, and wherethe "as supplied" resin must have a minimum of ionicand non-ionic contamination.

• Proven to be the premier resins chosen to protectnuclear power plants throughout the world.

• In nuclear power industry: primary loop chemistry(CVCS), steam generator blowdown (SGBD),condensate polishing, rad waste, fuel pool

• In other industries: high purity applications such aslaboratory water treatment

Typical Applications

CURRENT NAME NEW NAME TYPE MORPHOLOGY MATRIXAMBERLITE™ IRN77 AMBERLITE™ IRN77 H SAC Gel StyrenicAMBERLITE™ IRN97 H AMBERLITE™ IRN97 H SAC Gel StyrenicAMBERLITE™ IRN99 H AMBERLITE™ IRN99 H SAC Gel StyrenicAMBERLITE™ IRN78 AMBERLITE™ IRN78 OH SBA Gel StyrenicAMBERLITE™ IRN67 AMBERLITE™ IRN67 WBA Gel AcrylicAMBERLITE™ IRN9652 AMBERLITE™ IRN9652 H SAC Macro StyrenicDOWEX™ C-75 NG H AMBERLITE™ IRN9675 H SAC Macro StyrenicDOWEX MONOSPHERE™ MP-725A AMBERLITE™ IRN9725 OH SBA Macro StyrenicAMBERLITE™ IRN9766 AMBERLITE™ IRN9766 OH SBA Macro StyrenicAMBERLITE™ IRN150 AMBERLITE™ IRN150 H/OH SAC/SBA Gel StyrenicAMBERLITE™ IRN160 AMBERLITE™ IRN160 H/OH SAC/SBA Gel StyrenicAMBERLITE™ IRN164 AMBERLITE™ IRN164 Li/OH SAC/SBA Gel StyrenicAMBERLITE™ IRN170 AMBERLITE™ IRN170 H/OH SAC/SBA Gel StyrenicAMBERLITE™ IRN360 AMBERLITE™ IRN360 H/OH SAC/SBA Gel StyrenicAMBERLITE™ IRN217 AMBERLITE™ IRN217 Li/OH SAC/SBA Gel StyrenicAMBERLITE™ IRN317 AMBERLITE™ IRN317 Li/OH SAC/SBA Gel StyrenicAMBERLITE™ IRN9687 AMBERLITE™ IRN9687 Li/OH SAC/SBA Macro StyrenicAMBERLITE™ IRN9882 AMBERLITE™ IRN9882 H/OH SAC/SBA Macro Styrenic

AMBERLITE™ Ion Exchange Resin Portfolio: Inerts

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CURRENT NAME NEW NAME TYPE MORPHOLOGY MATRIX DESCRIPTIONAMBERLITE™ RF14 AMBERLITE™ 14i inert Polypropylene Polypropylene Floating inert resin specifically designed for use as an upper layer in down-

flow regenerated ion exchange systems, such as floating beds.DOWEX™ UPCORE™ IF-62 AMBERLITE™ 62i inert Polyethylene Polyethylene Floating inert resin with properties specifically designed for use as an

upper layer in up-flow regenerated ion exchange systems, such asUPCORE™ Packed Bed Systems.

DOWEX MONOSPHERE™ 600i AMBERLITE™ 600i inert Gel Acrylic Non-functionalized bead designed to create an inert zone between thefunctional resins in mixed beds. Used in condensate polishing systems forthe electrical power generation industry and in other high-purity mixedbed systems when the use of inert is preferred.

AMBERLITE™ 62i AMBERLITE™ 14i AMBERLITE™ 600i

Available Packaging Options

Packaging Options• Available packaging options vary from small

bags to bulk packaging for flexibility andconvenience.

• Please refer to the full list of offering by productfor detailed availability

Variation in Packages Received• Visual differences in labels/ packaging may be

observed depending on sourcing location• This is normal and will not have an impact on

the product quality of performance.

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Drums

Bag

BulkPackaging

5 ft3 Fiber 50 L & 200 L Plastic

25 L Plastic

1,000 L FIBC/ Supersack

Critical Dates for Dow Ion Exchange Portfolio TransitionTransitional timelines are set to ensure smooth transition between portfolios

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Category

Date of 1st

notification“pre-launch”

ImpactedProducts

Order EntryAvailability“launch” Last Order Date

First AvailableShip Date

Last OrderShip Date*

Discontinuedbrands/products tobe re-named June 1st 2018

Current DOWEXMONOSPHERE™, DOWEXMARATHON™, DOWEX™,AMBERJET™AMBERSEP™ andAMBERLITE™ products

Now Oct 30th 2018 as lead timeallows Dec 31st 2018

Obsoleted products June 1st 2018

Duplicatechemistries/products in theDOWEX MONOSPHERE™,DOWEX MARATHON™,DOWEX™, AMBERJET™AMBERSEP™ andAMBERLITE™ familiesand MICROIONEX™

Now Oct 30th 2018 as lead timeallows Dec 31st 2018

NEW PORTFOLIOFOR IWT &POWER

June 1st 2018 ConsolidatedAMBERLITE™ Portfolio Aug 1st 2018 - as lead time

allows -

*Or per lead time given at the order entry.

Standing by You Beyond the ProductsProviding the support you need to operate productively and minimize unscheduled outages

• Technical Service & Development – at any point in the design andoperation to optimize performance• Water quality evaluation• System design consultation with our WAVE design software• Monitoring and analyzing operational data• Troubleshooting and problem solving

• Research and Development – partnering with the water treatmentindustry for decades, with a history of innovations in ion exchange andmembrane technologies driving key improvements in productivity andefficiency• Address specific local water conditions and requirements, with a holistic focus on

water quality and component-based design and research, providing improvedperformance

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ThankYou

www.dow.com/AMBERLITE