Dong-Ah Geological Engineering Company Ltd. (028100.KS) Financial Statements

Income statement

Metric	TTM	2025	2024	2023	2022
Revenue
Total Revenue	494.1B	467.7B	393.5B	345.0B	266.3B
Cost of Revenue	462.5B	439.9B	373.3B	327.5B	286.2B
Gross Profit	31.2B	27.8B	20.2B	16.9B	(19.9B)
Operating Expenses
R&D Expense	471.7M	442.5M	506.1M	485.5M	459.3M
SG&A Expense	4.7B	2.4B	2.0B	2.0B	2.1B
General & Admin Expense	613.7M	944.3M	854.2M	881.9M	933.3M
Selling & Marketing Expense	726.8M	1.5B	1.2B	1.1B	1.2B
Other Expenses	5.8B	7.0B	8.1B	7.7B	8.1B
Total Operating Expenses	10.9B	9.8B	10.6B	10.2B	10.6B
Cost and Expenses	473.7B	449.7B	383.9B	337.3B	296.9B
Operating Income (EBIT)	20.4B	17.9B	8.8B	6.7B	(30.6B)
Non-Operating
Interest Income	4.4B	4.7B	6.0B	6.3B	3.4B
Interest Expense	1.6B	1.5B	2.6B	2.7B	1.4B
Net Interest Income	2.8B	3.2B	3.5B	3.7B	2.0B
Other Non-Op Income/Expense	6.6B	4.9B	3.8B	5.7B	2.4B
Non-Operating Income (excl Interest)	(4.4B)	—	(4.8B)	(8.3B)	(3.8B)
EBT (Pre-Tax Income)	27.0B	22.9B	13.4B	12.3B	(28.2B)
Income Tax Expense	5.6B	4.2B	2.1B	2.1B	(5.4B)
Bottom Line
Net Income	21.3B	18.7B	11.4B	10.2B	(22.8B)
Earnings from Cont. Ops	21.3B	18.7B	11.4B	10.2B	(22.8B)
Earnings from Discont. Ops	—	—	—	—	—
Bottom Line Net Income	21.3B	18.7B	11.4B	10.2B	(22.8B)
Per Share
Basic EPS	₩1,696	₩1,453	₩853	₩742	(₩1,692)
Diluted EPS	₩1,689	₩1,453	₩853	₩742	(₩1,692)
Revenue Per Share	₩41,898	₩34,931	₩29,381	₩25,025	₩19,730
Shares
Basic Shares Outstanding	11.8M	13.4M	13.4M	13.8M	13.5M
Diluted Shares Outstanding	11.9M	13.4M	13.4M	13.8M	13.5M
Profitability Metrics
EBITDA	39.8B	36.9B	32.6B	38.6B	(5.2B)
D&A	23.9B	19.0B	19.1B	23.6B	21.5B
EBIT	21.7B	17.9B	13.6B	15.0B	(26.8B)

As reported, in the filing currency · TTM sums the four latest quarters; MRQ is the latest quarter · Negatives in parentheses; a dash is a line the filing does not carry · Data as of Jun 1, 2026