(Unit : points)

Customer Satisfaction Survey : Category, 2019, 2020, 2021, 2022 Table.

Category	2019	2020	2021	2022
S-OIL	66.8	67.6	68.2	69.0
Average of domestic competitors	64.1	64.9	66.1	65.5

Korea Net Promoter Score conducted by the Korea Management Association Consulting

(Unit : times)

Inspection on Product Quality and Facilities of Service Stations & LPG Filling Stations : Category, 2019, 2020, 2021, 2022 Table.

Category	2019	2020	2021	2022
Quality inspection	12,833	9,283	8,604	6,832
Facility inspection	1,597	2,044	1,881	2,060

(Unit : cases)

VOC Handling Performance : Category, 2019, 2020, 2021, 2022 Table.

Category	2019	2020	2021	2022
Total	392,423	865,856	923,603	909,153
Call counseling	228,719	165,919	170,398	125,668
ARS Self counseling	139,548	56,092	37,660	28,012
1:1 chat counseling	24,156	38,193	61,309	58,482
Chatbot counseling	-	605,652	654,236	696,991

(Unit : cases)

Complaint VOC Handling Performance : Category, 2015, 2016, 2016 table.

Category	2019	2020	2021	2022
Total	3,421	3,193	3,001	2,375
Bonus card & associated card	1,623	1,385	1,241	535
Promotion & vouchers	613	248	306	581
Service & transportation, etc.	1,036	1,399	1,368	1,200
Quality	149	161	86	59

(Unit : business days)

Time Spent on VOC Handling : Category, 2019, 2020, 2021, 2022 Table.

Category	2019	2020	2021	2022
Inquiry VOC	0.6	0.7	0.6	0.1
Complaint VOC	1.5	1.9	2.9	0.97
Rate of VOCs closed within designated window	100%	100%	100%	100%

(Unit : stations)

Trustworthy Service Stations : Category, 2019, 2020, 2021, 2022 Table.

Category	2019	2020	2021	2022
No. of trustworthy service stations	1,898 (88.0%)	1,909 (88.2%)	1,890 (87.9%)	1,970 (91.8%)

(Unit : ★)

Environmental Quality Evaluation on Automotive Fuel : Category, 2019, 2020, 2021, 2022 Table.

Category	2018		2019		2020		2021
	1H	2H	1H	2H	1H	2H	1H	2H
Gasoline	★5	★5	★5	★5	★4	★5	★4	★5
Diesel	★5	★5	★5	★5	★5	★5	★5	★5

The Ministry of Environment has been evaluating ratings of vehicle fuels every 6 months since 2006 by taking gasoline and diesel samples from terminals and service stations of each refinery which are located in the metropolitan area and commissioning the Korea Institute of Petroleum Management for test. (highest rating ★5)

(Unit : %)

Abnormal Product Detection Rate : Category, 2019, 2020, 2021, 2022 Table.

Category	2019	2020	2021	2022
S-OIL	1.2	1.1	0.7	0.9
Average of domestic refiners	1.5	1.2	1.2	1.1

(Unit : cases)

Violation of Laws related to Health & Safety Impacts of Product/service : Category, 2019, 2020, 2021, 2022 Table.

Category	2019	2020	2021	2022
No. of violations	0	0	0	0

(Unit : stations)

Domestic Market Share : Category, 2019, 2020, 2021, 2022 Table.

Category	2019	2020	2021	2022
No. of service stations nationwide	11,503	11,425	11,186	10,984
No. of S-OIL service stations	2,156 (18.7%)	2,165 (18.9%)	2,150 (19.2%)	2,147 (19.5%)
Retail light oil domestic market share	23.7%	26.0%	26.5%	26.2%

Based on service stations in business. (estimated by S-OIL)

(Unit : %)

Top of Mind Awareness in TV Advertising : Category, 2019, 2020, 2021, 2022 Table.

Category	2019	20201)	2021	2022
S-OIL	62.6	-	61.5	61.5
Average of domestic refiners	5.1	-	4.1	4.5

Based on tracking check result of advertising impact by a professional research institution.

• ¹⁾ TV advertising not carried out in 2020.

(Unit : cases)

Violation of Laws related to Product/service Information & Labeling : Category, 2019, 2020, 2021, 2022 Table.

Category	2019	2020	2021	2022
No. of violations	0	0	0	0

(Unit : cases)

Violation of Laws related to Marketing Communication : Category, 2019, 2020, 2021, 2022 Table.

Category	2019	2020	2021	2022
No. of violations	0	0	0	0

(Unit : times, persons)

Fair Trade Training : Category, 2019, 2020, 2021, 2022 Table.

Category	2019	2020	2021	2022
No. of trainings	5	1	2	2
No. of participants	264	414	516	342

Online training conducted for 2020-2022 due to COVID-19 pandemic.

(Unit : cases)

Anti-competitive Behavior : Category, 2019, 2020, 2021, 2022 Table.

Category	2019	2020	2021	2022
No. of anti-competitive behaviors	0	0	0	0

(Unit : persons)

Employment Status by Job : Category, 2019, 2020, 2021, 2022 Table.

Category	2019	2020	2021	2022
Total	3,224	3,222	3,154	3,137
Executives	46	43	42	44
Administrative staff	1,359	1,338	1,292	1,288
Production staff	1,819	1,841	1,820	1,805

(Unit : persons)

Employment Status by Workplace : Category, 2019, 2020, 2021, 2022 Table.

Category	2019	2020	2021	2022
Head Office	757	754	722	705
Refinery	2,132	2,159	2,133	2,159
District Biz HQ	255	231	221	209
Terminal	80	78	78	64

(Unit : persons)

Employment Status by Age : Category, 2019, 2020, 2021, 2022 Table.

Category	2019	2020	2021	2022
50 or above	807	1,213	1,357	1,385
30 ~ 50	1,815	1,580	1,475	1,490
Under 30	602	429	322	262

No. of employees aged 55 or above in 2022 : 3446 persons (14.2%), no. of employees aged under 20 : None

(Unit : persons)

Employment Status by Gender : Category, 2019, 2020, 2021, 2022 Table.

Category		2019	2020	2021	2022
Male		2,997 (93.0%)	2,990 (92.8%)	2,922 (92.6%)	2,897 (92.3%)
Female		227 (7.0%)	232 (7.2%)	232 (7.4%)	240 (7.7%)
Managers or higher levels	Male	851	845	849	877
	Female	66	78	86	112
Junior managers	Male	216	205	211	247
	Female	38	43	46	55
Managers in revenue-generating functions	Male	397	383	380	386
	Female	16	24	24	29
Jobs on STEM-related positions	Male	386	407	398	394
	Female	15	17	31	29

STEM

Science, Technology, Engineering, Mathematics

(unit: persons)

Employment Status by Nationality : Category, 2019, 2020, 2021, 2022 Table.

Category	2019	2020	2021	2022
Korea	3,222	3,220	3,152	3,135
Others	2	2	2	21)

• ¹⁾ 1 each from Saudi Arabia and Canada (accounting for 0.11% and 0.89% of the male and female managers in 2022 respectively)

(Unit : persons)

Employment Status by Employment Contract : Category, 2019, 2020, 2021, 2022 Table.

Category		2019	2020	2021	2022
Executives		46	43	42	44
Regular employees	Male	2,925	2,923	2,855	2,817
	Female	211	216	213	217
	Total	3,136	3,139	3,068	3,034
Non-regular employees (contractors)	Male	26	24	24	36
	Female	16	16	19	23
	Total	42	40	43	59

(Unit : persons)

Employment Status by Employment Type : Category, 2019, 2020, 2021, 2022 Table.

Category		2019	2020	2021	2022
Full-time	Male	2,997	2,990	2,922	2,897
	Female	227	232	232	240
	Total	3,224	3,222	3,154	3,137
Part-time	Male	0	0	0	0
	Female	0	0	0	0
	Total	0	0	0	0

(Unit : persons)

Major Activities performed by Workers not employed by S-OIL : Category, 2019, 2020, 2021, 2022 Table.

Category	2019	2020	2021	2022
Total	1,182	1,216	1,340	1,372
General office work (dispatch staff)	50	57	39	35
Contract/service (Head Office)	141	169	167	169
Contract/service (Refinery)	991	990	1,134	1,168

It is the same as the employment type disclosure data of the Ministry of Employment and Labor. (As of March every year)

Contract/service at Head Office

Building management, cleaning, security, driver, restaurant, IT, call center, etc.

Contract/service at Refinery

Repair & maintenance, cleaning, security, crude oil unloading, restaurants, etc.

(Unit : persons)

Recruitment : Category, 2019, 2020, 2021, 2022 Table.

Category		2019	2020	2021	2022
Age	50 or above	2	1	4	1
	30 ~ 50	13	9	19	11
	Under 30	10	66	15	74
Gender	Male	18	63	19	66
	Female	7	13	19	20
Total		25	76	38	86
Open positions filled by internal candidates		92.3%	84.2%	91.0%	84.0%

(Unit : persons)

Retirees : Category, 2019, 2020, 2021, 2022 Table.

Category		2019	2020	2021	2022
Age	50 or above	28	76	63	80
	30 ~ 50	18	11	27	16
	Under 30	17	13	11	8
Gender	Male	42	89	82	92
	Female	21	11	19	12
Total		63	100	101	104
Turnover rate		2.0%	3.1%	3.2%	3.3%
Voluntary turnover rate		0.6%	1.9%	2.2%	2.0%

(Unit : KRW in million)

Employee Remuneration : Category, 2019, 2020, 2021, 2022 Table.

Category	2019	2020	2021	2022
Total amount paid a year in remuneration	342,639	340,101	348,357	511,019
Average remuneration per employee	108	107	112	166

• Remuneration (KRW 163.2 million) of the median employee refers to the pay of the 1,543rd and 1,544th employees out of the total of 3,087 people on the payroll in 2022.
• The CEO's compensation was KRW 1,.014 million, 6.1 times higher than the average remuneration per employee in 2022.

(Unit : hours)

Training Hours per Employee : Category, 2019, 2020, 2021, 2022 Table.

Category	2019	2020	2021	2022
Average	71	68	73	75
Male	71	69	73	75
Female	69	65	70	73

(Unit : KRW in thousand)

Training Expenses per Employee : Category, 2019, 2020, 2021, 2022 Table.

Category	2019	2020	2021	2022
Training expenses per employee	968	1,402	1,873	1,393

Human Capital Return on Investment (HC ROI) : Category, 2019, 2020, 2021, 2022 Table.

Category	2019	2020	2021	2022
Human capital return on investment	2.181)	-2.12	6.85	7.27

• HC ROI formula : { Revenue – (Operating Expense – Employee-related Expenses) / Employee-related Expenses }
• Employee-related Expenses are based on the total annual payroll listed in the Business Report

(Unit : %)

Employee Engagement : Category, 2019, 2020, 2021, 2022 Table.

Category	2019	2020	2021	2022
Employee Engagement Survey results		77.2		78.5

• Survey frequency : 2 years
• Percentage of employees responded to the Employee Engagement Survey with a score of 7 of higher out of 10

(Unit : days)

Annual Leave : Category, 2019, 2020, 2021, 2022 Table.

Category	2019	2020	2021	2022
Average days of used annual leave per employee	24.2	23.9	24.5	24.2

Excluded production staffs & project organization staffs.

(Unit : persons)

Parental Leave : Category, 2019, 2020, 2021, 2022 Table.

Category		2019	2020	2021	2022
No. of employees took parental leave	Male	0	8	4	9
	Female	20	14	19	30
	Total	20	22	23	39
No. of employees returned to work after parental leave (plan)	Male	0	5	3	5
	Female	11	8	8	18
	Total	11	13	11	23
No. of employees returned to work after parental leave (actual)	Male	0	5	3	5
	Female	11	8	8	18
	Total	11 (100%)	13 (100%)	11 (100%)	238 (100%)
No. of employees returned to work after parental leave (actual)	Male	0	0	4	4
	Female	11	11	7	8
	Total	11 (100%)	11 (100%)	11 (85%)	12 (86%)

(Unit : persons, cases)

Labor Union : Category, 2019, 2020, 2021, 2022 Table.

Category	2019	2020	2021	2022
No. of union members	1,796 (56.5%)	1,803 (56.7%)	1,796 (57.7%)	1,773 (57.3%)
No. of employees covered by collective bargaining agreements	3,178 (100%)	3,179 (100%)	3,112 (100%)	3,093 (100%)
No. of labor disputes	0	0	0	0

(Unit : points)

DNV Safety Culture Evaluation : Category, 2019, 2020, 2021, 2022 Table.

Category	2019	2020	2021	2022
DNV Evaluation score	8.4	8.5	8.6	8.4

DNV Safety Culture Score : An index to evaluate the level of corporate safety culture in a quantitative manner created by DNV GL (0 ~ 9 points : World Class over 8.1 points, Leading Edge : 6.1 ~ 8.0 points, Extended : 4.1 ~ 6.0 points, Core : 2.1 ~ 4.0 points)

¹⁾

(Unit : persons, %)

No. of Injured Employees and Occupational Injury Rate : Category, 2019, 2020, 2021, 2022 Table.

Category		2019	2020	2021	2022
S-OIL	No. of injured male	2	0	0	8
	No. of injured female	0	0	0	0
	Total	2	0	0	8
	Injury rate (LTIR2))	0.09	0.00	0.00	0.19
	Injury rate (TRCF3))	0.22	0.00	0.00	0.26
Contractors	No. of injured male	6	1	0	64)
	No. of injured female	0	0	0	0
	Total	6	1	0	6
	Injury rate (LTIR)	0.20	0.04	0.00	0.20
	Injury rate (TRCF)	0.41	0.04	0.00	0.24

• ¹⁾ Injury rate = No. of injured employees X 200,000 / total work hours
• ²⁾ LTIR (Lost Time Injury Rate) : Rate of lost-time injuries relative to total work hours
• ³⁾ TRCF (Total Recordable Case Frequency) : Rate of recordable injuries for employees and contractors per 100 full-time worers
• ⁴⁾ One fatality from contractors in 2022 (no fatalities in 2019, 2020, and 2021)

(Unit : cases)

Loss of Primary Containment : Category, 2019, 2020, 2021, 2022 Table.

Category	2019	2020	2021	2022
Tier-1	8	8	8	11)

Loss of Primary Containment : Uncontrolled leakage of materials including non-toxic and flammable materials

• ¹⁾ On May 19, 2022, there was a fire during Anti Surge Valve maintenance at #2 Alkylation process

(Unit : cases per million hours)

Process Safety Events Rate : Category, 2019, 2020, 2021, 2022 Table.

Category	2019	2020	2021	2022
Process Safety Events rate (Tier-1)	0.00	0.00	0.00	0.08

Process Safety Event Rate

No. of process leak accident X 1,000,000 / total work hours

Tier-1

Over LTI by process leak accident, over $100,000 of fire/explosion, over Tier-1 leakage standards on flammable/toxic substance (API RP 754)

(Unit : cases)

Safety Accident : Category, 2019, 2020, 2021, 2022 Table.

Category	2019	2020	2021	2022
Fire accidents	0	0	0	11)
Accidents from violations of regulations	0	0	0	0

• ¹⁾ On May 19, 2022, there was a fire during Anti Surge Valve maintenance at #2 Alkylation process

(Unit : persons, cases)

Occupational Illness : Category, 2019, 2020, 2021, 2022 Table.

Category		2019	2020	2021	2022
Employees with occupational illness	Male	1	0	0	0
	Female	0	0	0	0
	Total	1	0	0	0
Occupational Illness Frequency Rate (OIFR)		0.22	0.00	0.00	0.00

• Standard : No. of occupational illness approved by the Korea Workers' Compensation & Welfare Service.
• Occupational Illness Frequency Rate (OIFR) = No. of occupational illness X 1,000,000 / total work hours

(Unit : cases)

Near Miss Cases : Category, 2019, 2020, 2021, 2022 Table.

Category	2019	2020	2021	2022
No. of near misses	1,866	1,606	1,169	1,016

(Unit : times, persons)

Safety Training : Category, 2019, 2020, 2021, 2022 Table.

Category		2019	2020	2021	2022
S-OIL	No. of trainings	541	679	633	654
	No. of participants	61,905	46,997	40,483	41,745
Contractors	No. of trainings	385	469	389	406
	No. of participants	25,240	17,033	10,317	19,374

Included commissioned trainings & firefighting drills.

(Unit : KRW in million)

Performance in Social Contribution Activities : Category, 2019, 2020, 2021, 2022 Table.

Category	2019	2020	2021	2022
Total	6,951	5,394	5,597	6,972
For Local Community	2,092	1,808	2,129	1,722
For the Environment	250	-	300	470
For Needy People	2,819	2,096	1,548	2,970
For Heroes	1,140	840	970	1,160
Others (S-OIL Science Prodigy & Culture Foundation, etc.)	650	650	650	650

• The above performance includes donation as charity and local community contribution activities only.
• According to the government's COVID-19 quarantine regulations, activities for the Environment were suspended in 2020.

(Unit : persons, hours, KRW in million)

Sunshine Sharing Campaign : Category, 2019, 2020, 2021, 2022 Table.

Category		2019	2020	2021	2022
S-OIL Public Service Corps	No. of participants	1,863	-	-	-
	Participation hours	18,686	-	-	-
Wage tail-cut contribution	No. of participants	1,845	1,824	1,758	1,756
	Amount of contribution	145	70	75	125
1 employee & 1 donation account	No. of participants	1,444	1,390	1,341	394
	Amount of contribution	60	51	48	45

According to the government's COVID-19 quarantine regulations, activities of S-OIL Public Service Corps were suspended from 2020.

(Unit : times, persons)

Culture & Art Sharing Campaign : Category, 2019, 2020, 2021, 2022 Table.

Category	2019	2020	2021	2022
No. of events	12	1	-	6
No. of participants	3,450	200	-	810

According to the government's COVID-19 quarantine regulations, events had been temporarily suspended from Feb. 2020 to May 2022.

(Unit : cases, KRW in million)

Local Purchasing in Ulsan : Category, 2019, 2020, 2021, 2022 Table.

Category	2019	2020	2021	2022
No. of purchasing in Ulsan	5,718 (57.7%)	5,305 (58.8%)	5,575 (60.9%)	6,792 (59.1%)
Amounts of purchasing in Ulsan	187,431 (21.7%)	271,181 (28.2%)	134,919 (21.5%)	204,945 (20.3%)

Excluding crude oil & products.

(Unit : persons)

Employment of the Disabled & National Meritorious Persons : Category, 2019, 2020, 2021, 2022 Table.

Category	2019	2020	2021	2022
No. of employees with disabilities	47 (1.5%)	48 (1.5%)	46 (1.5%)	50 (1.6%)
No. of national meritorious employees	166 (5.1%)	168 (5.2%)	163 (5.2%)	159 (5.1%)