KUMHO PETROCHEMICAL

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KUMHO PETROCHEMICAL

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ESG Data

Certificate

Category Unit 2023 2024 2025
ESG Certification
(Data disclosure from 2023 onwards)		 1. ISO 14001
- Initial Certification : '05
- Expiration : '29
※CNT Plant Certification obtained separately
- Initial : '09, Expiration : '27		 % of business sites certified 82 82 91
Business sites subject to certification 11 11 11
Certified business sites 9 9 10
Business site name HQ, Yeosu Synthetic Rubber Plant I, Yeosu Synthetic Rubber Plant II, Yeosu Specialty Chemicals Plant, Yeosu Energy Plant(I, II), Yulchon CNT Plant, Ulsan Synthetic Rubber Plant, Ulsan Synthetic Resin Plant, Yulchon CNT Plant, Daejeon R&D Center HQ, Yeosu Synthetic Rubber Plant I, Yeosu Synthetic Rubber Plant II, Yeosu Specialty Chemicals Plant, Yeosu Energy Plant(I, II), Yulchon CNT Plant, Ulsan Synthetic Rubber Plant, Ulsan Synthetic Resin Plant, Yulchon CNT Plant, Daejeon R&D Center HQ, Yeosu Synthetic Rubber Plant I, Yeosu Synthetic Rubber Plant II, Yeosu Specialty Chemicals Plant, Yeosu Energy Plant I, Yeosu Energy Plant II, Yulchon CNT Plant, Ulsan Synthetic Rubber Plant, Ulsan Synthetic Resin Plant, Yulchon CNT Plant, Daejeon R&D Center
2. Designation of Green Enterprise
- Expiration : '27		 Business site name Ulsan Synthetic Resin Plant Ulsan Synthetic Resin Plant Ulsan Synthetic Resin Plant
3. ZWTL Certified Sites Business site name Yeosu Energy Plant II Yeosu Energy Plant II Yeosu Energy Plant I ('25.10.15 ~ '26.10.15)
Yeosu Energy Plant II ('22.10.17 ~ '26.10.17)
4. EPD Certification
- Expiration : '27		 EA 4 4 2
Product Name Hugreen window Profile, Hugreen wrapping profile, Goldfoam Special, Goldfoam class 1 Hugreen window Profile, Hugreen wrapping profile, Goldfoam Special, Goldfoam class 1 Hugreen window Profile(Low-Carbon Product), Hugreen wrapping profile(Low-Carbon Product)
5. ISCC Plus Certification
- Expiration : '27		 EA 4 17 17
Product Name [Synthetic Rubber] BR(LBR, HBR, NdBR), SSBR [Synthetic Rubber] SBR, NBR, HSR, BR, SSBR, SBS
[Latex] SB Latex, NB Latex
[Synthetic Resin] ABS, PS, SAN, PPG
[Specialty Chemica] Diamine(K-13), Copolymer(K-5010)		 [Synthetic Rubber] SBR, NBR, HSR, BR, SSBR, SBS
[Latex] SB Latex, NB Latex
[Synthetic Resin] ABS, PS, SAN, PPG
[Specialty Chemica] Diamine(K-13), Copolymer(K-5010)

Certification

Category ISO 14001/45001 Designation of Green Enterprise ZWTL Certification EPD Certification ISCC Plus Certification
Expiration Date '29
(CNT '27)		 '27 '26 '27 '27
Certification download download download download download

Greenhouse Gas

Category Unit 2023 2024 2025****
GHG emissions Total GHG emissions (Scope 1, Scope 2)* tCO2-eq 3,319,747 3,308,643 3,302,133
- Scope 1 tCO2-eq 3,006,207 2,974,878 3,010,230
- Scope 2 tCO2-eq 313,546 333,772 291,909
Scope 3 tCO2-eq 263,837 3,294,871 5,855,175**
GHG emissions intensity (Scope 1, Scope 2)*** tCO2-eq/KRW 1 billion 791 682 722
* Difference in the total due to unit truncation
** Internally calculated data; subject to change after third-party verification in H2 2026
*** Based on Kumho Petrochemical's revenue (separated)
**** These figures are subject to change based on the results of conformity assessments and review by the Ministry of Climate, Energy and Environment.

Energy

Category Unit 2023 2024 2025
Energy consumption Total general energy consumed TJ 39,911 41,218 42,634
Direct energy Total consumed TJ 33,354 34,261 35,874
LNG TJ 487 482 493
LPG TJ 1.4 0.6 10
Gasoline TJ 1.4 1.4 1.1
Diesel TJ 26 26 25
Coal TJ 24,299 23,745 25,463
Others TJ 8,539 10,006 9,882
Indirect energy Total consumed TJ 6,557 6,958 6,693
Electricity TJ 4,815 5,107 4,870
Steam TJ 1,742 1,851 1,823
Others TJ 0 0 0
Renewable energy consumption TJ - - 73
Energy consumption intensity** TJ/KRW 1 billion 9.5 8.5 9.3
* Based on Kumho Petrochemical's non-consolidated revenue

Water

Category Unit 2023 2024 2025
Water withdraw and consumption Water withdrawn Total m³ 12,774,432 13,254,908 13,648,887
Water supply m³ 39,347 43,014 39,464
Groundwater m³ 6,467 7,235 7,708
Industrial water m³ 12,728,440 13,204,659 13,601,715
Others m³ 0 0 0
Water consumed m³ 5,459,440 5,853,141 6,115,412
Water consumption intensity* m³/KRW 1 billion 1,301 1,206 1,338
Water recycled m³ 293,362 255,023 269,260
% of water recycled % 5.4 4.9 4.4
Water risk Ratio of business sites located in water-stressed areas % 50 41.7 63.6
Water consumption rate in water-stressed areas % 85.8 60.7 81.1
Water withdrawal rate in water-stressed areas % 64.9 77.8 63.1
Wastewater Wastewater discharged m³ 7,314,992 7,401,767 7,533,475
Wastewater discharged intensity m³/KRW 1 billion 1,743 1,525 1,648
* Based on Kumho Petrochemical's non-consolidated revenue

Hazardous chemical

Category Unit 2023 2024 2025
Hazardous Chemical Substances discharged Total discharged ton 65 70 76
Intensity* ton/KRW 1 billion 0.01 0.01 0.02
Hazardous Chemical Substances used Total used ton 1,649,099 1,705,841 1,759,739
Intensity* ton/KRW 1 billion 390 351 385
Hazardous Chemical Substances inspection Total case 54 25 36
Regular inspection case 7 7 7
Non-regular inspection case 47 18 29
* Based on Kumho Petrochemical's non-consolidated revenue

Air pollutant

Category Unit 2023 2024 2025
Air pollutant emissions NOx ton 879.2 711.7 784.2
SOx ton 568.7 572.9 553.4
VOCs ton 38.5 22.5 27.6
HAPs ton 30.5 16.0 19.6
PM ton 55.6 47.5 60.2

Water pollutant

Category Unit 2023 2024 2025
Water pollutant discharged BOD ton 149.6 132.4 142.9
SS ton 89.1 106.7 99.9
TOC ton 171.6 156.4 183.5
T-N ton 147.2 112.4 90.1
T-P ton 21.2 4.6 4.0

Raw material

Category Unit 2023 2024 2025
Raw material used ton 3,213,431 3,245,967 3,087,185
Percentage of raw materials used % 1.9 2.6 3.4

Waste

Category Unit 2023 2024 2025
General waste + Hazardous waste Total waste generated ton 127,118 125,953 134,275
Total waste recycled ton 111,704 112,383 120,209
Percentage of waste recycled % 88 89 90
Waste treated Total ton 15,414 13,569 14,080
Incineration ton 11,811 10,904 12,277
Landfill ton 3,393 2,653 1,700
Others ton 210 12 103
General waste Total general waste generated ton 113,495 112,607 116,420
Total general waste recycled ton 109,124 109,251 116,420
Percentage of general waste recycled % 96 97 98
General waste treated Total ton 4,371 3,355 2,390
Incineration ton 978 709 606
Landfill ton 3,393 2,646 1,693
Others ton 0 0 91
Hazardous waste Total hazardous waste generated ton 13,623 13,346 15,528
Total hazardous waste recycled ton 2,580 3,131 3,789
Percentage of hazardous waste recycled % 19 24 24
Hazardous waste treated Total ton 11,043 10,215 11,690
Incineration ton 10,833 10,196 11,671
Landfill ton 0 7.1 7.0
Others ton 210 12 12

Environmental management

Category Unit 2023 2024 2025
% of business sites conducted environmental compliance implementation checks % - 50 100
% of employees received environmental training % 35.4 43.3 62.9
Safety and Environmental Investment (Data disclosure from 2024 onwards) KRW 1 million - 23,581 15,565

Eco-friendly product revenue

Category Unit 2023 2024 2025
Eco-friendly product* revenue KRW 1 million 65,908 54,572 52,008
* Based on Kumho Petrochemical's non-consolidated revenue

Employee

Category Unit 2023 2024 2025
Total no. of employee persons 1,513 1,579 1,606
By age Under 30 persons 224 248 245
30~49 persons 931 976 1,010
50 and older persons 358 355 351
By employment type Full time employees persons 1,417 1,450 1,508
Temporary employees persons 96 129 98
Workers who are not employees persons 859 821 798
By gender Female persons 231 243 252
Male persons 1,282 1,336 1,354

Employee training

Category Unit 2023 2024 2025
Per capita training time* hour/person 59.8 86 77
Per capita training cost KRW 1 million/person 1.6 1.6 2.0
Employees completed environmental training % 35.4 43.3 62.9
Company's buyers trained in sustainable procurement* % 26.9 62.5 -
Employees received career training % 100 100 100
* Advance the sustainable procurement training program starting in 2024, and implement it on a biennial basis.

Benefits

Category 단위 2023 2024 2025
% of welfare costs to revenues (separated) % 0.36 0.32 0.41
% of employees participating flexible working system % 100 100 100
Parental leave No. of employees using parental leave Total persons 15 17 20
Male persons 1 8 7
Female persons 14 9 13
No. of employees returning to work after parental leave Total persons 11 15 16
Male persons 2 4 3
Female persons 9 11 13
No. of employees working more than 12 months after returning to work Total persons 50 58 65
Male persons 6 8 12
Female persons 44 50 53

Certification

Category Unit 2023 2024 2025
ISO 45001 % of business sites certified % 82 82 90
Business sites subject to certification sites 11 11 10
Certified business sites sites 9 9 9

Occupational safety & health

Category Unit 2023 2024 2025
Employee health checkups support Comprehensive checkups persons 1,000 1,080 1,129
General checkups persons 442 503 1,425
Safety & health risk assessment* % of business sites conducted safety & health compliance inspection check % 100 100 100
% of business sites conducted safety & health risk assessment % 100 100 100
% of employees covered by Occupational Health & Safety Committee** % 100 100 100
Occupational accident rate Employees LTIR - 0.3 0.5 0.4
LTIFR - 1.3 2.3 1.8
OIFR - 0.0 0.0 0.3
TRIR - 0.4 0.5 0.5
TRIFR - 2.0 2.6 2.4
Process Safety Event - Tier 1 - 1.3 3.0 0.3
Fatality rate ‱ 0 0 0
Occupational accident rate % 0.2 0.0 0.4
Suppliers LTIR - 0.0 0.2 0.2
LTIFR - 0.0 0.8 0.9
TRIR - 0.1 0.3 0.4
TRIFR - 0.7 1.4 1.9
* (No. of business sites conducted) / (No. of business sites subject to conduct) * 100
** (No. of employess covered) / (No. of employess subject to cover) * 100

Supply chain

Category Unit 2023 2024 2025
Suppliers Total no. of suppliers numbers 1,053 1,063 929
No. of suppliers newly registered numbers 175 116 90
No. of suppliers newly registered numbers 341 360 391
% of procurement Spend with significant suppliers* % - - 63
% of suppliers signed for Suppliers Code of Conduct % 69 67 83
No. of suppliers conducted ESG risk assessment Contractors to be evaluated numbers 341 360 391
Contractors that have been evaluated numbers 110 343 296
Supply chain support Amount of loan interest supported KRW 1 million 14,100 17,630 16,800
No. of Financially Supported Suppliers numbers 45 45 42
No. of training supported suppliers numbers 102 242 258
* Calculation of purchase share from significant suppliers starting in 2025

Social contribution

Category Unit 2023 2024 2025
No. of employees participating in social contribution activities persons 480 760 900
Hours spent in social contribution activities hours 7,781 17,697 17,623

Board of directors

Category Unit 2023 2024 2025
BoD composition* Total no. of directors persons 10 10 10
Executive directors persons 3 3 3
Independent directors Persons 7 7 7
% of independent directors % 70 70 70
Board diversity* No. of female directors persons 2 2 3
% of female directors % 20 20 30
BoD meetings and attendance BoD meetings times 8 8 9
BoD attendance rate % 100 100 100
Average attendance rate of executive directors % 100 100 100
Average attendance rate of independent directors % 100 100 100
BoD agendas No. of approved agendas agendas 12 17 14
No. of reported agendas agendas 17 18 18
BoD training times 3 3 3
* As of the end of 2025
** As of April 2026, the Board comprises two executive directors and eight independent directors, with independent directors representing 80% of the Board

Board Skills Matrix

Category Name Strategy Leadership Industry Governance Finance Legal & Policy Risk Management Climate Change Global
Inside Director Jong Hoon Baek ● ● ●
Inside Director Jun Kyung Park ● ● ●
Outside Director Do Soung Choi ● ● ●
Outside Director Jung Mi Lee ● ● ●
Outside Director Sang Soo Park ● ● ●
Outside Director Tae Kyun Kwon ● ● ● ● ●
Outside Director Jeung Won Yang ● ● ● ●
Outside Director Se Jin Min ● ● ● ●
Outside Director Jae Hee Christine Kim ● ● ● ● ●
Outside Director Soon Ae Park ● ● ● ●
* As of March 26, 2026

BoD committees

Committee 역할
Audit Committee
• Supervising the work of directors and the management
• Approving the selected external auditors
• Other matters stipulated in the articles of incorporation or internal regulations concerning the audit
Independent Director Nomination Committee
• Establishing, inspecting, and improving the director appointment principles
• Recommending director candidates to be appointed by the general shareholders’ meeting
• Managing and verifying director candidates
ESG Committee
• Establishing corporate ESG strategies and policies
• Forming the corporate strategy and policy related to sustainable management and social value creation
• Other ESG matters delegated by the BOD
Related Party Transaction Committee
• Deliberating and deciding on internal transactions to promote fairness and transparency of transactions
• Deliberating and deciding on internal transactions in accordance with the Commercial Act, Monopoly Regulation And Fair Trade Act, etc 
Compensation Committee
• Deliberating and deciding on the limit of remuneration for directors and the remuneration system
Management Committee
• Establishing key management strategies or management policies
• Deliberating and deciding on significant management status

R&D

Category Unit 2023 2024 2025
No. of R&D employees Persons 174 172 174
R&D investment KRW 1 million 50,824 50,879 52,194

KCGS ESG Ratings

Year ESG integrated rating Environmental rating Social rating Governance rating
2025 B A A+ C
2024 B+ A A+ B
2023 A A A+ A
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