In a session of the "Converting Webinar" hosted by the Processing Technology Research Association, the publisher of the monthly magazine "Convert Tech," we will introduce "Bio-based Additives Responding to Circular Economy Initiatives." We will condense useful information and explain it in an easy-to-understand manner. Please join us for the viewing. (Free to attend, limited to 500 participants, pre-registration required) Hosted by: Processing Technology Research Association ◆BYK Lecture Schedule◆ [Bio-based Additives Responding to Circular Economy Initiatives] July 27 (Wednesday) 14:30 - 14:55 Content Overview: Additives using bio-based raw materials, water-based defoamers for packaging materials and adhesives, surface protection, and wax additives for improving aesthetics.

The Color Materials Association will celebrate its 95th anniversary in 2022, and a commemorative conference will be held on October 25-26, gathering researchers and engineers in the field of color materials, as well as representatives from overseas academic societies related to the Color Materials Association (CSI-related organizations). BYK will present proposals contributing to the future development of color materials and related technologies through an oral presentation. 95th Anniversary Conference of the Color Materials Association (International Conference) Date: October 25 (Tuesday) - 26 (Wednesday), 2022 Venue: Arcadia Ichigaya (Private School Association Hall) Main Theme: Sustainable Technology in Colour Materials English Oral Session BYK Japan KK (Presenter), BYK Additives Ltd October 25 (Tuesday) 15:15 - 15:30 (Day 1, Venue B, Room 1B08) Title: The performance of Pickering Emulsion stabilized by Powdered Particle method of LAPONITE [Organizer] General Incorporated Association Color Materials Association

BYK Printing Ink Additives Online Seminar Held on October 20, 2022 Session 2: [Defoamers] / Total of 4 Sessions We will explain the properties of foam and the mechanisms of foam formation and defoaming in an easy-to-understand manner. Additionally, we will introduce defoamers made from renewable materials (biomass raw materials), which have been gaining attention in recent years. You are welcome to join any session that is convenient for you. We look forward to your participation! ■ Date and Time: October 20, 2022 (Thursday) 15:00 - 16:15 ■ Method of Holding: Using Microsoft Teams You can participate via an internet browser. ■ How to Register: Please register for participation using the link below. Link: https://forms.office.com/r/xAAYwCgsU4 ■ Registration Deadline: October 13 【Printing Ink Additives】BYK Online Seminar Total of 4 Sessions Session 3: November 16 (Wednesday) Surface Adjusting Agents Session 4: December 7 (Wednesday) Waxes

BYK offers a variety of functional additives for the FRP (Fiber Reinforced Plastic) materials and fields, providing solutions. 【October 13-14, 2022】66th FRP CON-EX 2021 At the FRP CON-EX 2022 (66th Comprehensive Conference and Exhibition on FRP), which will be held in person for the first time in three years, I will be giving a general presentation. During the event, we will showcase the latest products and technical information at a reference exhibit (small booth). We invite you to visit and stop by. Big Chemie Japan General Presentation: October 14 (Friday) 9:40-10:00 Venue B (Presentation Number B-8) Theme: "Additives to Improve the Wettability of Carbon Fibers and Resins" [Organizer] General Incorporated Association of Reinforced Plastics

The BYK Additives Division is offering online seminars on various themes. This time, titled "Learning Rheology Control from the Basics," we will introduce fundamental concepts of rheology control and specific problem-solving methods using BYK products. We look forward to your participation! ■ Date: October 12, 2022 (Wednesday) 14:00 - 16:00 ■ Program Rheology Control: Basic and Practical ■ Method of Hosting: Using Microsoft Teams You can participate via an internet browser. ■ How to Register: Please register for participation using the link below. Link: https://forms.office.com/r/ZFE22qwqCU ■ Registration Deadline: October 3 (Monday)

The online technical seminar, organized and operated by the Processing Technology Research Association, the publisher of the monthly magazine "Convert Tech," will feature a BYK lecturer in the second part. The theme is "Fundamentals and Troubleshooting of Wet Coating (Single Layer and Multi-layer)." In the first part, Mr. Chino will discuss the "Fundamentals" and "Troubleshooting" of wet coating, while in the second part, our company will explain the challenges of coating from the perspective of the materials being applied. ◆ Date and Time: May 27, 2021 (Thursday) 13:00 - 16:40 <First Part> 13:00 - 15:00 Mr. Naoyoshi Chino, Director of CN Consulting Office <Second Part> 15:20 - 16:40 Mr. Akihiro Wakabara, Head of Innovation Development, Big Chemie Japan Co., Ltd. May 28, 2021 (Friday) 13:00 - 16:00 <First Part> 13:00 - 16:00 Mr. Naoyoshi Chino

The publisher of the monthly magazine "Convert Tech," the Processing Technology Research Association, will host the Converting Webinar Week with the theme "Functional Materials and Applied Technologies," where BYK will give the following presentation. (Free to attend, capacity of 500 people, pre-registration required) ◆ Converting Webinar Week ◆ ◆ BYK Presentation Schedule: June 11 (Friday) Functional Materials and Applied Technologies 13:30 - 13:55 Additives that Open the Future with Renewable Raw Materials: CERAFLOUR 1000 Series

BYK Additives Webinar for Thermoplastic Plastics [Registration Open] The BYK Additives webinar for the thermoplastic plastics sector will start in July! The first session is scheduled for July 14 (Wednesday) or July 28 (Wednesday) with the same content on both dates. We will introduce wetting dispersants and additive blends (PolyAd). We look forward to your registration and participation. ◆ Date and Time: July 14 (Wednesday) and July 28 (Wednesday) from 13:30 to 15:30 You can choose either date (the content is the same on both days). 13:30 - 14:30: Wetting Dispersants We will introduce the mechanism of wetting dispersants that act differently from conventional lubricants, along with effective utilization examples of fillers and pigments. 14:30 - 15:30: Additive Blends We will discuss additive blends that efficiently use antioxidants and light stabilizers. Recommended for: - Those who want to improve the dispersion of fillers and pigments and enhance physical properties and productivity. - Those who want to stabilize the physical properties of plastics. - Those who want to effectively utilize additives for plastics.

BYK Additives Webinar for Thermoplastic Plastics [Registration Open] The BYK Additives webinar for the thermoplastic plastics sector will start in July! The first session is scheduled for July 14 (Wednesday) or July 28 (Wednesday) with the same content on both dates. We will introduce wetting dispersants and additive blends (PolyAd). We look forward to your registration and participation. ◆ Date and Time: July 14 (Wednesday) and July 28 (Wednesday) from 13:30 to 15:30 Choose either date (the content is the same on both days) 13:30 - 14:30: Wetting Dispersants We will introduce the mechanism of wetting dispersants, which act differently from general lubricants, and provide examples of effective utilization of fillers and pigments. 14:30 - 15:30: Additive Blends We will introduce additive blends that efficiently use antioxidants and light stabilizers. Recommended for: - Those who want to improve the dispersion of fillers and pigments and enhance physical properties and productivity. - Those who want to stabilize the physical properties of plastics. - Those who want to effectively utilize additives for plastics.

BYK Additives Webinar: Additives for Adhesives and Sealants [Registration Open] The webinar on additives for adhesives and sealants will start in July! We will deliver information on viscosity modifiers, defoamers, wetting and dispersing agents, and surface modifiers in four sessions. The first session will focus on viscosity modifiers on July 29 (Thursday). We will provide useful information for our customers during a relaxing coffee or tea time. We recommend attending all four sessions, but feel free to join only the ones that suit your schedule. We look forward to your participation. ◆ Date and Time: July 29, 2021 (Thursday) 15:00 - 16:10: Explanation of the characteristics and usage of viscosity modifiers and important points to note. We will explain which viscosity modifier to choose for specific applications such as drip stop, machine coating, and spray painting, including usage considerations, in an easy-to-understand manner for those without experience using additives. Recommended for: - Those who have no experience using additives but are looking for solutions to adhesive and sealant issues. - Those who want to know about the effects and usage of additives and would like to try them out.

The webinar for additives for adhesives and sealants started in July with the theme of "Viscosity Modifiers"! The second session on August 25 will focus on "Defoamers." We will provide useful information to our customers during a relaxing coffee or tea time. After that, we are preparing programs on wetting agents and surface modifiers. You are welcome to join any session that fits your schedule. We look forward to your participation. ◆ Date and Time: August 25, 2021 (Wednesday) 15:00 - 16:00: Explanation of the characteristics, usage, evaluation methods, and points to note regarding defoamers. We will clearly explain the properties of foam and the mechanisms of foam formation and defoaming. While deepening your understanding of this phenomenon, we will help you solve problems by using more appropriate defoamers, including cases with high thixotropy, and if necessary, by using two different defoamers. Recommended for: - Those who have no experience using additives but are looking for solutions to adhesive and sealant problems. - Those who want to know about the effects and usage of additives and would like to try them out.

The theme for the third session on October 13 is [Wetting and Dispersing Agents / Compatibilizers]. We will deliver useful information during your coffee or tea break. You are welcome to join from this session onward. We look forward to your participation along with the final session on surface modifiers! ◆ Date and Time: Date: October 13, 2021 (Wednesday) 15:00 - 16:00 (Session 3: Wetting and Dispersing Agents / Compatibilizers) We will discuss the characteristics and usage of wetting and dispersing agents / compatibilizers. BYK wetting and dispersing agents offer many benefits for enhancing the properties of functional particles and fillers. We will clearly explain the dispersion mechanisms of solid particles and the role of compatibilizers in addressing separation and floating issues, along with their structures. Recommended for: - Those who have no experience using additives but are looking for solutions to problems with adhesives and sealants. - Those who want to know about the effects and usage of additives and would like to try them out.

BYK offers a variety of functional additives for the FRP (Fiber Reinforced Plastic) materials and fields, providing solutions. 【November 15-16, 2021】65th FRP CON-EX 2021 We will be giving a general presentation and exhibiting at the 65th FRP CON-EX 2021 held online. Big Chemie Japan General presentation: November 16 (Tuesday) A-16, 10:20-10:40 "Additives certified for the world's first wind power generation plant" Exhibit highlight products: BYK - The world's first certified additives for wind power generation plants Coupling agent BYK-C 8001 [Organizer] Japan Reinforced Plastics Association

The second installment of the BYK additive webinar for the thermoplastic plastic field【Automotive sector, Polyolefin and Polyamide edition】will be held on October 6 (Wednesday) or 14 (Thursday) with the same content. Please make use of BYK's unique products and technologies to solve your challenges. We look forward to your application and participation! ◆ Date, Time, Items, and Content: Schedule: October 6 (Wednesday) or 14 (Thursday) (the content is the same on both days) AM 10:00~11:30: Solid-phase graft polymer SCONA PM 1:30~3:00: Organic modified layered silicate BYK-MAX CT, scratch-resistant solution BYK-MAX ASC Recommended for: ◆ Those who want to improve the functionality of polyolefin and polyamide parts used in automotive interiors and exteriors, as well as engine room components ◆ Those who want to improve the physical properties of polyolefins and polyamides (mechanical strength, impact modification, water absorption) ◆ Those who want to change the processability of polyolefins and polyamides (viscosity modification, melt flow) ◆ Those who want to improve the surface properties (scratch resistance) of polyolefins

We would like to announce an external seminar in April featuring a BYK lecturer. The program consists of five parts covering the concepts of slip and blocking phenomena in films, the use of additives such as anti-blocking agents, and the evaluation of surface properties such as friction and adhesion. ◆ Film Anti-Blocking Seminar Date: April 26, 2022 (Tuesday) 10:00 AM - 5:00 PM, Live streaming via Zoom In Part 3, BYK will present on the theme of "Characteristics and Usage of Anti-Blocking Agents and Slip Improvement Agents." We will explain the effects of surface modifiers on the protection of coating layers and film membranes, using experimental examples. 【Organizer, Registration, and Inquiries】 (Pre-registration required, fee applicable) Technical Information Association Co., Ltd.

February 18, 2022 (Friday) <Part 1> 10:00 AM - 12:00 PM, 1:00 PM - 3:00 PM CN Consulting Office <Part 2> 3:20 PM - 4:50 PM, Big Chemie Japan In Part 2, we will clearly explain how various challenges in coatings can be solved with additives through experiments and relatable examples. Additionally, we will introduce additive technologies in the coatings field that can contribute to achieving the SDGs. [Registration and Inquiry Site] (Advance registration required, fee applicable) Organizer: Processing Technology Research Association BYK Lecture Content: 1. Phenomena and challenges related to surface tension 2. Additives that control surface phenomena 3. Additives from renewable raw materials and reduction of environmental impact

[Information] February 16, 2022 (Wednesday) 9:30 AM - 4:40 PM BYK (11:00 AM - 12:00 PM) will present on "The Expansion of Applications for Particle Dispersion and New Wetting Dispersants," covering dispersion stabilization, wetting dispersants, molecular structure control, and batteries. [Organizer, Registration, and Inquiries] (Advance registration required, fee applicable) Kansai Branch of the Japan Color Materials Association

The monthly magazine "Convert Tech," published by the Japan Society for Processing Technology, will hold the Converting Webinar Week from November 16 (Wednesday) to November 19 (Friday). BYK will present on November 19 (Friday) under the theme "New Materials and Circular Economy." BYK Presentation Schedule: November 19 (Friday) 14:30 - 14:55 Coating additives that open up the future from renewable raw materials: Soft particles, defoamers, layered silicates.

Online Technology Forum Theme: The Present and Future of Coating Technology Date and Time: December 23, 2020 (Wednesday) 13:30 - 15:00 Panelists: Nobushige Yatsuma (Former Executive Director of the Japan Paint Manufacturers Association / Current Representative of the Japan Paint and Coating Research Institute) Osamu Kirihara (Former Bayer / Current Advisor at HAEWON T&D) Akihiro Wakahara (Head of Innovation Development at Big Chemie Japan) Organizer: Coating Media As we welcome 2021, an "Online Technology Forum" will be held by Coating Media to discuss the challenges and future prospects facing coating technology. Three veteran panelists will share their thoughts based on their own questions and awareness of issues. We aim to conclude the year with a roundtable discussion that encourages participants to take a courageous new step forward. We hope you will join us.

We will conduct an in-house seminar online (customer internal technical presentations and study sessions). Have you decided on the themes and issues for 2021? We will provide an online program with customized content. Please utilize this as an opportunity for new problem-solving through remote engagement.

The "Converting Technology Seminar 2021," organized by the Japan Society for Processing Technology, the publisher of the monthly magazine "Convert Tech," will be held online (using ZOOM) in March. After a comprehensive understanding of coating technology through a course on rheology and wettability analysis in the coating process, our company will present on practical rheology control agents. ◆ Date and Time: <Part 1> Rheology and Wettability Analysis in the Coating Process (First Day) March 15 (Monday) 13:00–16:00 (with a break) (Second Day) March 16 (Tuesday) 13:00–15:00 Instructor: Professor Emeritus Yasufumi Otsubo, Chiba University <Part 2> Practical Rheology Control Agents March 16 (Tuesday) 15:30–16:30 Instructor: Akihiro Wakabara, Head of Innovation Development, Big Chemie Japan Co., Ltd.

At a seminar organized by the Processing Technology Research Association, the publisher of the monthly magazine "Convert Tech," we will introduce common troubles that can arise during the processes of adjusting, applying, and drying coating liquids, as well as approaches to solving these issues using additives. This content will be beneficial not only for those on the front lines tackling challenges but also for beginners in the field, as well as those involved in QC/QA (Quality Control, Quality Assurance) and the development and design of coatings. The seminar will be held online in a live format using "ZOOM."

BYK measuring instruments (BYK-Gardner) will showcase measuring devices that quantify surface characteristics, such as haze meters, lemon skin/orange peel testers, gloss meters, and color difference meters, at the 15th High-Performance Film Exhibition - FILMTECH JAPAN. (Exhibitor: Tetsutani Co., Ltd., the exclusive distributor of BYK-Gardner in Japan) Please be sure to visit our booth! High-Performance Film Exhibition - FILMTECH JAPAN Dates: October 29 (Tuesday) to 31 (Thursday), 2024, 10:00 AM to 6:00 PM (Ends at 5:00 PM on the final day) Booth number: 24-30 (Tetsutani Co., Ltd.) Venue: Makuhari Messe Organizer: RX Japan Co., Ltd.

BYK measurement instruments (BYK-Gardner) will showcase measurement devices that quantify surface characteristics, such as haze meters, lemon peel/orange peel testers, gloss meters, and color difference meters, at FILMTECH JAPAN [Osaka] (High-Performance Film Exhibition). (Exhibitor: Tetsutani Co., Ltd., the exclusive distributor of BYK-Gardner in Japan) Please stop by our booth! FILMTECH JAPAN [Osaka] (High-Performance Film Exhibition) Dates: May 8 (Wednesday) - 10 (Friday), 2024, 10:00 AM - 5:00 PM Booth Number: 15-9 (Tetsutani Co., Ltd.) Venue: Intex Osaka Organizer: RX Japan Ltd.

Online Academic Seminar for Coordinating Engineers and Product Design Engineers. ◎ This will provide optimal technical information for engineers considering switching from painting to inkjet. ◎ Additionally, it will enhance understanding of the flow phenomena in the coating liquid during coating and drying, and the mechanisms that lead to film non-uniformity as a result. The role of surface modifiers effective for flattening and smoothing, and how they function will be clarified through experimental results and theoretical discussions. We have invited Professor Fukai, a leading researcher in film formation, as a lecturer to explain the mechanisms of the film formation process in inkjet and circuit boards, along with solutions to challenges, in a dialogue format with a navigator to deepen understanding. ◆ Online Academic Seminar: [Effects of Surface Modifiers in Inkjet Film Formation] ◆ Date and Time: May 17, 2024 (Friday) 13:00 - 16:30 (with breaks) ◆ Using Microsoft Teams (Participation is possible via internet browser.) Pre-registration required; participation is free. Organized by: Big Chemie Japan Sponsored by: Coating Media, General Incorporated Association Color Materials Association

◆Converting Technology Seminar 2024 Basics and Troubleshooting of Wet Coating (Single Layer and Multi-Layer) ◆Date: May 10, 2024 (Friday) 13:00 - 16:45 ◆Utilizing "Zoom," with real-time and on-demand recorded video distribution (Pre-registration required, fee applicable) <Part 1> 10:00 - 12:00, 13:00 - 15:00 Director of CN Consulting Office, Mr. Naoyoshi Chino <Part 2> 15:15 - 16:45 Senior Solution Navigator at Big Chemie Japan, Mr. Akihiro Wakahara

This is an announcement for a live online seminar hosted by the R&D Support Center. We have prepared a highly effective program for young engineers, newcomers, and those who are just starting to consider additives. Please take advantage of this opportunity for training, as well as for future technology and product development and problem-solving! ◆Basics of Additives for Coatings: Key Points for Use and Selection【LIVE Broadcast】 ◆Date and Time: February 29, 2024 (Thursday) from 13:00 to 17:00 ◆Live broadcast via Zoom, participation via web browser is also possible (Pre-registration required; fee applicable) ◆Scheduled Program Purpose of using additives Mechanism of additive action Key points for selecting additives

The theme of this online seminar is "Selection of Wetting Dispersants for Pigment Concentrates (Pigment Pastes)." Wetting dispersants are very effective in the formulation design of pigment pastes. In this seminar, we will clearly explain the basics of pigment dispersion and wetting dispersants, as well as the selection of wetting dispersants in solvent-based and water-based pigment concentrates. We look forward to your participation! ■ Date and Time: December 7, 2023 (Thursday) 10:00 AM - 11:15 AM ■ Program - What is a pigment concentrate? - Basics of pigment dispersion - Basic information on wetting dispersants - Solvent-based pigment concentrates - Water-based pigment concentrates - Other additives ■ Method of Hosting: Using Microsoft Teams You can participate via an internet browser. ■ How to Register: Please register for participation using the link below. Link: https://forms.office.com/e/ZntPHRhqXs ■ Registration Deadline: December 4 (Monday)

The International Plastic Fair (IPF) 2023 will be held for five days from November 28 (Tuesday) to December 2 (Saturday) at Makuhari Messe. It is a comprehensive exhibition showcasing materials, machinery, products, recycling equipment, and contract processing related to plastics and rubber. BYK will introduce additives and technologies for plastic applications and provide solutions to our customers' challenges. We invite you to take this opportunity to visit our booth. IPF Japan 2023 International Plastic Fair Dates: November 28 (Tuesday) – December 2 (Saturday), 2023 Venue: Makuhari Messe BYK Exhibition Booth: Hall 5, No. 50408 Theme: High-performance additives for advanced plastics, sustainable additive solutions Organizer: International Plastic Fair Council

The first Inkjet Basics Course (hosted by the Color Materials Association) will be held on October 23, 2023 (Monday), in a hybrid format of in-person and online. This course is designed for material developers to learn the fundamentals of ink formulation design, including key points on the formulation of various materials and system design points such as inkjet heads, from the basics. BYK will present on the theme of "Inkjet Additives." We encourage you to participate in this course to enhance your understanding of the technology. First Inkjet Basics Course | Color Materials Association Date and Time: October 23, 2023 (Monday) 9:30 AM - 5:00 PM Simultaneous in-person and online (Zoom) format Pre-registration and participation fee required Big Chemie Japan Presentation (2:55 PM - 3:55 PM) "Inkjet Additives" In the formulation design of inkjet inks, the selection of additives is one of the important design techniques. We will explain additives through the basics of dispersion stabilization, the structural elements of wetting dispersants used, and examples of surface modifiers. [Organizer] Color Materials Association, Kanto Branch IJ Committee