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LANXESS Energizing Chemistry LANXESS Statement on the PFAS Restriction Proposal 1 Table of content 1 Introduction........................................................................................................................ 3 1.1 Importance of LANXESS products................................................................................ 3 1.2 Sustainability at LANXESS ............................................................................................ 3 1.3 We support a targeted regulation of PFAS.................................................................. 3 1.4 Showing the affectedness by means of an example ................................................... 3 2 Importance of fluoropolymers in components in chemical production............................ 4 2.1 General importance of fluoropolymers....................................................................... 4 3 Example chlorine value chain............................................................................................. 6 3.1 Implications for LANXESS as a downstream user of chlorine...................................... 6 3.2 Importance of fluoropolymer-based components in the production of chlorinated aromatics ................................................................................................................................ 7 3.3 Importance of fluoropolymer-based components in the production of phosphorus trichloride. .............................................................................................................................. 9 3.4 Impact of a ban on fluoropolymers on plant permitting .......................................... 12 4 Special features of multiple synthesis in the batch process ............................................ 13 5 End-of-life management of fluoropolymer-containing components .............................. 14 6 Evaluation of substitution possibilities ............................................................................ 14 7 Conclusion ........................................................................................................................ 15 2 1 Introduction 1.1 Importance of LANXESS products LANXESS is a leading specialty chemicals company headquartered in Cologne, Germany.

SECTION IV Attachment Table 1 Tape roughness Ra= 1.5nm Ra= 2.0nm Lubricant Tape surface free energy PFAS -20 % silicones -10 % (Alternative candidate) Alkyl carboxylicReference acids (used for low recording capacity tape) Friction of tape Low (Good) High (Bad) High (Bad) Low (Good) Areal density 26 Gbpsi - (no practical use) - (no practical use) 10 Gbpsi Graph 1 Graph 2

The welding is a unique and STRATEGIC technology, for construction and repair The European Welding Association (EWA) is an industrial association which comprises national associations and manufacturers of electric and flame welding equipment, welding and brazing consumables, equipment to ensure the health and safety of welders ( fume extraction systems included) across Europe.

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The Essentiality of PFAS for Rigid Gas Permeable Contact Lenses Dr Mark D Eddleston Summary The safety and effectiveness of rigid gas permeable (RGP) contact lenses is reliant on the use of PFAS.

Application: fluororesin for measurement instrument-related applications Fluororesin used: PTFE (CAS No. 9002-84-0) Product Overview: reference reflectors and septums for calibration of colorimeters Fluororesin is used in measurement instrument, reference reflectors used in the calibration of colorimeters such as color chromatometers, and septum materials for analytical vials.

Processed product for energy applications Application Number: Energy (Annex E.2.12.)

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Estimation of the nb of sequences in PcPc using TFA for synthesis PcPc Data on May-23 nb* % using TFA nb using TFA Dipeptides 82 0% 0 mostly made by liquid phase not using TFA Tripeptides 116 50% 58 Tetrapeptides 113 90% 101 Pentapeptides 120 95% 114 Hexapeptides Heptapeptides 119 95% 79 95% 113 mostly made by SPPS (using TFA) 75 Octapeptides 64 95% 60 Nonapeptides 63 95% 59 Decapeptides 85 95% 80 Oligopeptides (>10AA) 303 10% 30 lower sequences made by SPPS, larger made by biotechno Polypeptides (>100AA) - 0% - mostly made by biotechnology total 1144 total using TFA 690 60% estimated values * these numbers are based on the peptidic "core name" (without prefix and suffix) and may be under evaluated (ex: tripeptide-1; acetyl-tripeptide-1; palmitoyl-tripeptide-1; copper tripeptide-1 are only one sequence in this count!)

D-44149 Dortmund, Germany Tel.: Dit bericht kan informatie bevatten die niet voor u is bestemd.

www.invertec-ev.de/en/projects/environmental-care/ptfe-recycling/

ANNEX 2- Answer to question 7 from Europump Potential derogations marked for reconsideration - Analysis of alternatives and socio-economic analysis: Paragraphs 5 and 6 of the proposed restriction entry text (see table starting on page 4 of the summary of the Annex XV restriction report) include several potential derogations for reconsideration after the consultation (in [square brackets]).

The exemption application of perfluorosulfonic acid(PFSA) resins and perfluorocarboxylic acid(PFCA) resins and ion exchange membranes for chlor-alkali industry Chlor-alkali industry is the largest sector in the modern chemical industry.

Examples of PFAS applications in the agriculture machinery sector CAS No. 1 113114-19-5 2 1478-61-1 3 163702-07-6 4 163702-08-7 5 185701-88-6 6 25067-11-2 7 25190-89-0 8 26425-79-6 9 26655-00-5 10 27029-05-6 11 335593-06-1 12 335-67-1 13 34454-97-2 14 355-25-9 15 56357-87-0 16 60164-51-4 17 67584-59-2 18 68258-85-5 19 68298-12-4 20 69991-61-3 21 811-97-2 22 9002-84-0 9011-17-0 23 24 94228-79-2 Substance name Examples of PFAS applications Heat Cold Chemical Low-Friction Oil Water Low Fuel Sealing Weather Resistance Resistance Resistance Properties Resistance Resistance Permeability Capabilities Resistance Flexibility Durability Equipment Protection Thickener Lubricants Electrical Insulation Flame No retardance Information Oxetane, 2,2,3,3-tetrafluoro-, homopolymer, fluorinated X Bisphenol AF X Perfluorobutyl methyl ether Perfluoroisobutyl methyl ether 2,3,3,3-Tetrafluoro-2-[1,1,2,3,3,3-hexafluoro-2(heptafluoropropoxy) propoxy]propanoyl fluoride, polymer with trifluoro (trifluoromethyl) oxirane reaction products with 3-(ethenyldimethylsilyl), N-methylbenzeneamine Hexafluoropropene tetrafluoroethylene polymer X X X X X X X 1-Propene, 1,1,2,3,3,3-hexafluoro-, polymer X X X X with 1,1-difluoroethene and 1,1,2,2- tetrafluoroethene X X Ethene, 1,1,2,2-tetrafluoro-, polymer with 1,2,2trifluoro-2-(trifluoromethoxy)ethene Perfluoro-3-[(trifluoroethenyl)oxy]propane, polymer with tetrafluoroethene 1-Propene, polymer with 1,1,2,2tetrafluoroethene 2-Propenoic acid, 2-methyl-, 2[methyl[(nonafluorobutyl)sulfonyl]amino]ethyl ester, polymer with -(1-oxo-2-propenyl)-methoxypoly(oxy-1,2-ethanediyl) and 2propenoic acid, graft (9CI) Perfluorooctanoic acid 2-(N-(Perfluorobutylsulfonyl)-Nmethylamino)ethanol Perfluorobutane Ethene, 1,1,2,2-tetrafluoro-, polymer with 1,1difluoroethene and 1,1,2-trifluoro-2(trifluoromethoxy)ethene Krytox 143 2-(N-Methylperfluorobutanesulfonamido)ethyl methacrylate 1-Hexene, 3,3,4,4,5,5,6,6,6-nonafluoro-, polymer with ethene and 1,1,2,2tetrafluoroethene N-(Methyl)nonafluorobutanesulfonamide Ethene, 1,1,2,2-tetrafluoro-, oxidized, polymd. 1,1,1,2-Tetrafluoroethane X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X Polytetrafluoroethylene X X X X X X X X X X X X X X 1,1-Difluorethylene-hexafluorpropene polymer X X X X X X Poly(1-pentene-2,3,3,4,4,5,5-heptafluoro-co- ethene-co-tetrafluoroethene) Alternative technologies Yes No No information Target parts X RADIO-AUDIO X SENSOR X HST, MOTOR, PLUG, PUMP, VALVE, D-RING, OIL SEAL, VALVE X CSEANRSBOURR,ETTUORRB, OEXCPHAANRSGIOERN,TRAUNB,BFEILRTPEARR, GTSA,SSKPERTI,NGGAUGE,OIL, HEATER, INJECTION, OIL SEAL, RESISTOR, SEALING, X AIR-CONDITION, HEATER X AIR-CONDITION, HEATER X ECU, RAIL COMMON, TURBOCHARGER X HST, PUMP, RADIO-AUDIO, CABLE, COMPENSATOR, SENSOR, SWITCH X X SOLENOID, FUEL-HOSE X CVAALRVBEU,RETOR, COMPENSATOR, CUSHION, FILTER, FUEL-UNIT, GASKET, INJECTION, PLUG, PUMP, RAIL COMMON, SENSOR, X AIR-CONDITION, COMPRESSOR, HEATER, VALVE X ALTERNATOR, PUMP, ROTOR, VALVE X PLUG X COVER, SEAT X CONTROLLER, METER, SWITCH X COVER, SEAT X AIR-CONDITION X FILTER, SOLENOID X ECU, LAMP, RAIL COMMON, STARTER, SWITCH, TURBOCHARGER, VALVE, VOLUME X COVER, SEAT X INJECTION, VOLUME X COVER, SEAT X AIR-CONDITION, HEATER, VALVE X AIR-CONDITION X EVAPORATOR, VALVE X FILTER, TURBOCHARGER, BUSH, HST, JOINT, MOTOR, PUMP, SEALING, SENSOR, VALVE, DRING, AIR-CONDITION, ARM, BACKUP RING, BOLT, BRACKET, BREATHER, CABIN, CABLE, CAM, CAMERA, CAPACITOR, CARBURETOR, CLAMP, CLUTCH, COLLAR, COMPRESSOR, CONDENSER, CONTROLLER, COVER, CYLINDER, DAMPER, ECU, X EMXOPTAONRS,IOOINL TSAENA,LF, PAANN, FERL,APMIIEL,LFARRO, PNITSTAOXNLE, ,PFLUASTEE,, PGLAUSGK,EPTO, HWEEARTESRTE, HERITICNHG,, HROALDDIAETRO, RIG, NRIATDEIRO,-LCADM, RP,ELSEISVTEORR, L, IRNIKN,GM, ERTOEDR, END, SEAT, SHAFT, SOLENOID, STARTER, STAY, SUPPORT, SWITCH, THERMOSTAT, THROTTLE, THRUST COLLAR, TIRE, VAPORIZER, WIRE HARNESS, CONDENSER X TGUARUBGOEC,OHILA,RHGEEART,EPRLUG, SENSOR, FUEL-HOSE, ADAPTER, CARBURETOR, EXPANSION TAN, FAN, FILTER, GASKET, X INJECTION, JOINT, NUT, OIL COOLER, PUMP, RESISTOR, SEPARATOR, SWITCH, THROTTLE, VALVE, GASKET X VALVE