E1 Corporation

KOSE:A017940 Stock Report

Market Cap: ₩496.7b

E1 Past Earnings Performance

Past criteria checks 1/6

E1's earnings have been declining at an average annual rate of -5.9%, while the Oil and Gas industry saw earnings declining at 1.2% annually. Revenues have been growing at an average rate of 18.3% per year. E1's return on equity is 4.9%, and it has net margins of 1%.

Key information

-5.94%

Earnings growth rate

-5.94%

EPS growth rate

Oil and Gas Industry Growth26.24%
Revenue growth rate18.33%
Return on equity4.92%
Net Margin1.01%
Last Earnings Update31 Mar 2026

Recent past performance updates

Analysis Article • May 28

E1's (KRX:017940) Shareholders Have More To Worry About Than Lackluster Earnings

The recent earnings release from E1 Corporation ( KRX:017940 ) was disappointing to investors. We think there is more...
Analysis Article • Nov 24

E1's (KRX:017940) Anemic Earnings Might Be Worse Than You Think

The subdued market reaction suggests that E1 Corporation's ( KRX:017940 ) recent earnings didn't contain any surprises...
Analysis Article • Mar 27

We Think That There Are More Issues For E1 (KRX:017940) Than Just Sluggish Earnings

A lackluster earnings announcement from E1 Corporation ( KRX:017940 ) last week didn't sink the stock price. We think...
Analysis Article • Mar 28

We Think You Should Be Aware Of Some Concerning Factors In E1's (KRX:017940) Earnings

The recent earnings posted by E1 Corporation ( KRX:017940 ) were solid, but the stock didn't move as much as we...

Recent updates

Analysis Article • May 28

E1's (KRX:017940) Shareholders Have More To Worry About Than Lackluster Earnings

The recent earnings release from E1 Corporation ( KRX:017940 ) was disappointing to investors. We think there is more...
Analysis Article • Feb 04

E1 Corporation's (KRX:017940) Shares Not Telling The Full Story

When close to half the companies in Korea have price-to-earnings ratios (or "P/E's") above 15x, you may consider E1...
Analysis Article • Nov 24

E1's (KRX:017940) Anemic Earnings Might Be Worse Than You Think

The subdued market reaction suggests that E1 Corporation's ( KRX:017940 ) recent earnings didn't contain any surprises...
Analysis Article • Jul 03

E1 Corporation (KRX:017940) Doing What It Can To Lift Shares

When close to half the companies in Korea have price-to-earnings ratios (or "P/E's") above 14x, you may consider E1...
Analysis Article • Mar 27

We Think That There Are More Issues For E1 (KRX:017940) Than Just Sluggish Earnings

A lackluster earnings announcement from E1 Corporation ( KRX:017940 ) last week didn't sink the stock price. We think...
Analysis Article • Mar 28

We Think You Should Be Aware Of Some Concerning Factors In E1's (KRX:017940) Earnings

The recent earnings posted by E1 Corporation ( KRX:017940 ) were solid, but the stock didn't move as much as we...
Analysis Article • Apr 19

Here's Why E1 (KRX:017940) Is Weighed Down By Its Debt Load

Howard Marks put it nicely when he said that, rather than worrying about share price volatility, 'The possibility of...
Analysis Article • Mar 24

We Like E1's (KRX:017940) Earnings For More Than Just Statutory Profit

The market seemed underwhelmed by last week's earnings announcement from E1 Corporation ( KRX:017940 ) despite the...
Analysis Article • Mar 17

What Can The Trends At E1 (KRX:017940) Tell Us About Their Returns?

Finding a business that has the potential to grow substantially is not easy, but it is possible if we look at a few key...
Analysis Article • Feb 24

Would Shareholders Who Purchased E1's (KRX:017940) Stock Three Years Be Happy With The Share price Today?

For many investors, the main point of stock picking is to generate higher returns than the overall market. But if you...
Analysis Article • Feb 03

Is E1 Corporation (KRX:017940) A Smart Pick For Income Investors?

Dividend paying stocks like E1 Corporation ( KRX:017940 ) tend to be popular with investors, and for good reason - some...
Analysis Article • Jan 13

E1 (KRX:017940) Has No Shortage Of Debt

Some say volatility, rather than debt, is the best way to think about risk as an investor, but Warren Buffett famously...
Analysis Article • Dec 23

Could The E1 Corporation (KRX:017940) Ownership Structure Tell Us Something Useful?

A look at the shareholders of E1 Corporation ( KRX:017940 ) can tell us which group is most powerful. Large companies...
Analysis Article • Dec 02

Will E1's (KRX:017940) Growth In ROCE Persist?

Finding a business that has the potential to grow substantially is not easy, but it is possible if we look at a few key...

Revenue & Expenses Breakdown

How E1 makes and spends money. Based on latest reported earnings, on an LTM basis.

Earnings and Revenue History

KOSE:A017940 Revenue, expenses and earnings (KRW Millions)
DateRevenueEarningsG+A ExpensesR&D Expenses
31 Mar 2611,211,958112,776578,0090
31 Dec 2510,392,523104,790529,0270
30 Sep 2510,429,81273,580375,6440
30 Jun 2510,796,94646,566376,1590
31 Mar 2511,501,081113,119371,3440
31 Dec 2411,192,41269,978362,9330
30 Sep 2410,315,455120,756393,8060
30 Jun 249,370,199127,492347,3430
31 Mar 248,275,242104,715314,9860
31 Dec 237,827,737213,183294,0350
30 Sep 237,723,334268,431254,0650
30 Jun 237,899,203261,274255,1480
31 Mar 238,144,483206,419250,1480
31 Dec 227,990,768141,859246,9180
30 Sep 227,483,11476,506239,7900
30 Jun 226,801,71785,735230,4310
31 Mar 225,745,631150,795224,7950
31 Dec 215,152,301131,758222,2250
30 Sep 214,615,404153,348230,0080
30 Jun 214,102,758135,211237,3770
31 Mar 213,959,25270,379227,1200
31 Dec 203,927,55460,288233,3870
30 Sep 204,288,48668,751239,9390
30 Jun 204,587,40513,797234,7040
31 Mar 204,780,868-19,814247,8850
31 Dec 194,608,270-43,167247,7180
30 Sep 194,512,278-84,832220,7260
30 Jun 194,561,210-28,238228,3310
31 Mar 194,479,46537,419219,5600
31 Dec 184,630,19978,094240,7060
30 Sep 184,788,385125,990308,8090
30 Jun 184,519,972126,344306,8840
31 Mar 184,392,381113,218314,7160
31 Dec 174,408,21684,416303,7030
30 Sep 174,185,41114,425321,9510
30 Jun 174,185,803-28,769326,6930
31 Mar 174,220,803-27,725348,8170
31 Dec 163,995,901-20,418358,4980
30 Sep 164,102,207-11,457349,0950
30 Jun 164,249,2619,612379,2320
31 Mar 164,457,14613,061382,6430
31 Dec 154,614,2579,539396,0360
30 Sep 155,065,45141,720405,0290
30 Jun 155,981,31567,295394,5650

Quality Earnings: A017940 has a large one-off gain of ₩92.0B impacting its last 12 months of financial results to 31st March, 2026.

Growing Profit Margin: A017940's current net profit margins (1%) are higher than last year (1%).

Free Cash Flow vs Earnings Analysis

Past Earnings Growth Analysis

Earnings Trend: A017940's earnings have declined by 5.9% per year over the past 5 years.

Accelerating Growth: A017940's has had negative earnings growth over the past year, so it can't be compared to its 5-year average.

Earnings vs Industry: A017940 had negative earnings growth (-0.3%) over the past year, making it difficult to compare to the Oil and Gas industry average (36.8%).

Return on Equity

High ROE: A017940's Return on Equity (4.9%) is considered low.

Return on Assets

Return on Capital Employed

Discover strong past performing companies

7D

1Y

7D

1Y

7D

1Y

Company Analysis and Financial Data Status

DataLast Updated (UTC time)
Company Analysis2026/06/01 07:40
End of Day Share Price 2026/06/01 00:00
Earnings2026/03/31
Annual Earnings2025/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

PackageDataTimeframeExample US Source *
Company Financials10 years
  • Income statement
  • Cash flow statement
  • Balance sheet
Analyst Consensus Estimates+3 years
  • Forecast financials
  • Analyst price targets
Market Prices30 years
  • Stock prices
  • Dividends, Splits and Actions
Ownership10 years
  • Top shareholders
  • Insider trading
Management10 years
  • Leadership team
  • Board of directors
Key Developments10 years
  • Company announcements

* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

E1 Corporation is covered by 2 analysts. 1 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

AnalystInstitution
Hyunmok WangDaiwa Securities Co. Ltd.
null RESEARCH DEPARTMENTSamsung Securities Co. Ltd.